Osaka OF 33 Z Manual de usuario

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 1

OF 33 Z / OF 33 AZ

MICROPROCESSOR-BASED

DIGITAL ELECTRONIC FREEZER

CONTROLLER

OPERATING INSTRUCTIONS

FOREWORD

This manual contains the information necessary for the product

to be installed correctly and also instructions for its

maintenance and use; we therefore recommend that the utmost

attention is paid to the following instructions.

Though this manual has been issued with the greatest care,

OSAKA will not take any responsibility deriving from its use.

The same applies to each person or Company involved in the

issuing of this manual.

This document is the exclusive property of OSAKA which

forbids any reproduction and divulgation , even in part, of the

document, unless expressly authorized.

OSAKA reserves the right to make any formal or functional

changes at any moment and without any notice.

INDEX

INSTRUMENT DESCRIPTION

1.1

GENERAL DESCRIPTION

1.2

FRONT PANEL DESCRIPTION

PROGRAMMING

2.1

PROGRAMMING OF SET POINT

2.2

PARAMETERS PROGRAMMING

2.3

PARAMETER PROTECTION USING THE

PASSWORD

2.4

PARAMETERS PROGRAMMING LEVEL

2.5

ACTIVE SET POINT SELECTION

2.6

ON / STAND-BY FUNCTION

2.7

CLOCK PROGRAMMING

INFORMATION ON INSTALLATION AND USE

3.1

PERMITTED USE

3.2

MECHANICAL MOUNTING

3.3

ELECTRICAL CONNECTIONS

3.4

ELECTRICAL WIRING DIAGRAM

FUNCTIONS

4.1

MEASURING AND VISUALIZATION

4.2

OUTPUTS CONFIGURATION

4.3

TEMPERATURE CONTROL

4.4

CONTINUOUS CYCLE FUNCTION

4.5

COMPRESSOR PROTECTION FUNCTION AND AND

DELAY AT POWER-ON

4.6

DEFROST CONTROL

4.7

MANUAL DEFROST

4.8

EVAPORATOR FANS CONTROL

4.9

ALARM FUNCTIONS

4.9.1

TEMPERATURE ALARMS

4.9.2

EXTERNAL ALARM

4.9.3

OPEN DOOR ALARM

4.9.4

ALARM MEMORY

4.10

DIGITAL INPUT

4.11

AUXILIARY OUTPUT

4.12

FUNCTION OF KEYS “F” AND “DOWN/AUX”

4.13

KEY USB + OSAKA SETUP: KEY PROGRAMMING

PROGRAMMABLE PARAMETERS TABLE

PROBLEMS , MAINTENANCE AND GUARANTEE

6.1

SIGNALLING

6.2

CLEANING

6.3

GUARANTEE AND REPAIRS

TECHNICAL DATA

7.1

ELECTRICAL DATA

7.2

MECHANICAL DATA

7.3

MECHANICAL DIMENSIONS, PANEL CUT-OUT AND

MOUNTING

7.4

FUNCTIONAL DATA

1 - INSTRUMENT DESCRIPTION

1.1 - GENERAL DESCRIPTION

The model OF 33 AZ is a digital controller with microprocessor

that is typically used in cooling applications that have

temperature control with ON/OFF regulation and defrosting

control with set time and hours intervals (Real Time Clock

Defrosting) by means of electrical heating or hot gas/cycle

inversion.

The instrument has 3 relay outputs, two inputs for PTC or NTC

temperature probes and a digital input, that can all be

configured.

The 3 outputs can be used for controlling the compressor or the

temperature control device (OUT), the defrosting device (DEF),

the evaporation fan (FAN) or, alternatively any of the previous

functions, using an auxiliary device (AUX) or an alarm (AL).

The two inputs for the PTC and NTC temperature probes

(which can be selected by parameter) can be used to measure

the cell temperature (Pr1) and the evaporator temperature (Pr2)

while the digital input (DIG) can be programmed to carry out

various functions such as defrosting commands, selecting a

different set of temperature regulations, external alarm signals,

activating a continuous cycle, and activating an auxiliary output

etc.

The instrument is equipped with 4 programme keys, a 4-digit

display and 9 LED signals, in addition to an internal buzzer that

is the sound system for alarms.

Other important characteristics of the instrument are:

programme parameters protection using personalised

password, switching on and off (stand-by) of the instrument

using the front keys or the digital input, configuration of

parameters via the COPY KEY device, memorising of two sets

of temperature regulations that can be switched and the

possibility of power supply in the range 100 ... 240 VAC.

1.2 - FRONT PANEL DESCRIPTION

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 2

1 - Key Set : Used for setting the Set point and for

programming the function parameters

2 - Key DOWN/Aux : Used for decreasing the values to be set

and for selecting the parameters. It can also be programmed

via the parameter “Fbd” to carry out other functions such as

activating the Aux output, starting up the continuous cycle,

selecting the active set point or turning on and off (stand-by)

the device (see par. 4.12).

3 - Key UP/DEFROST : Used for increasing the value to be set,

for selecting the parameters and for activating manual

defrosting.

4 - Key F : Used for visualising the temperatures taken by the

cell probes and evaporator (Pr1 and Pr2) and the internal clock

(if present). It can also be programmed via the parameter

“USrb” to carry out other functions, just like the key

DOWN/AUX (see par. 4.12).

5 - Led OUT : Indicates the compressor output status (or the

temperature control device) on (on), off (off) or inhibited

(flashing)

6 - Led DEF : Indicates defrosting in progress (on) or dripping

(flashing).

7 - Led FAN : Indicates fan output status on (on), off (off) or

delayed after defrosting (flashing)

8 - Led AUX : Indicates AUX output status on (on), off (off) or

inhibited (flashing)

9 - Led AL : Indicates the alarm status (on), off (off) and

silenced or memorized (flashing)

10 - Led SET : Indicates the input in programming mode and

the programming level of the parameters. It also serves to

indicate the Stand-by status.

11 - Led - : Indicates that a low temperature alarm is in

progress (lit) or that a low temperature alarm has been

memorised (flashing).

12 - Led OK : Indicates that no alarms are in progress

13 - Led + : Indicates that a high temperature alarm is in

progress (lit) or that a high temperature alarm has been

memorised (flashing).

2 -PROGRAMMING

2.1 - PROGRAMMING OF THE SET POINT

Press the key Set then release it and the display will show SP 1

(or SP 2 if the second set is active at that time) alternating with

the set value (see selection of the active set point).

To change it press the UP key to increase the value or DOWN

to decrease it.

These keys increase or decrease the value one digit at a time,

but if the button is pressed for more than one second the value

increase or decreases rapidly, and after two seconds pressed,

the speed increases even more to all the desired valued to be

reached rapidly.

Exiting the Set mode is achieved by pressing the Set key or

automatically if no key is pressed for 15 seconds. After that

time the display returns to the normal function mode.

2.2 - PARAMETERS PROGRAMMING

To access the instrument’s function parameters, press the key

Set and keep it pressed for about 5 seconds, after which the

SET led will light up, the display will visualised the code that

identifies the first group of parameters (“]SP “) and the group of

parameters that are to be edited are selected by pressing the

UP and DOWN keys.

Once the group of parameters has been selected, press the

Set and the code that identifies the first parameter in the

selected group will be visualised.

Again using the UP and DOWN keys, the desired parameter

can be selected and pressing the Set key, the display will

alternately show the parameter code and its setting that can be

changed with the UP and DOWN keys.

Once the desired value has been set, press the key Set again:

the new value will be memorised and the display will show only

the abbreviation of the selected parameter.

Pressing the UP and DOWN keys, it is possible to select

another parameter (if present) and change it as described.

To return to select another group of parameters, keep the UP

or the DOWN key pressed for about 1 second, after which the

display will return to showing the code of the parameter group.

Release the pressed key and using the UP and DOWN keys it

will be possible to select another group (if present).

To exit the programming mode, do not press any key for about

20 seconds, or keep the UP or DOWN key pressed until it exits

the programming mode.

Longer

H o ld

2 sec .

H o ld fo r

2 sec .

H o ld fo r

5 sec .

H o ld fo r

2.3 - PARAMETER PROTECTION USING THE PASSWORD

The instrument has a parameter protection function using a

password that can be personalised, through the “PASS”

parameter in the “]PAn” set.

If one wishes to have this protection, set the password number

desired in the parameter “PASS”.

When the protection is working, press the Set key to access

the parameters and keep it press for about 5 seconds, after

which the LED SET will flash and the display will show “0” .

At this point, using the UP and DOWN keys, set the password

number programmed and press the key “Set”.

If the password is correct, the display will visualise the code

that identifies the first group of parameters(“]SP “) and it will be

possible to programme the instrument in the same ways

described in the previous section.

Protection using a password can be disabled by setting the

parameter “PASS” = OFF.

2.4 - PARAMETERS PROGRAMMING LEVELS

The instrument has two parameter programming levels.

The first level (“visible” parameters) is accessed according to

the procedure described above (with or without password

request) while the second level (“hidden” password) can be

accessed according to the following procedure.

Remove the power supply to the instrument, press the key Set

and return power to the instrument, keeping the key pressed.

After about 5 sec. the SET led will light up, the display will show

the code that identifies the first group of parameters(“]SP “) and

it will be possible to set the parameters of the instrument using

the same programming procedure described previously.

Once the parameter has been selected and the SET is on, it

means that the parameter can be programmed even on the first

level ("visible”).

If the LED is off it means that the parameter can only be

programmed on this level (i.e. “hidden”).

To change the visibility of the parameter, press the key U: the

led SET will change status, indicating the accessibility level of

the parameter (on = parameter “visible”; off = parameter

“hidden”).

The access procedure for “hidden” parameters allows the

“PASS” parameter to be checked and changed, and is useful

therefore if the password set has been forgotten.

2.5 - ACTIVE SET POINT SELECTION

The instrument allows up to 2 different regulation Set points to

be pre-set (“SP 1” and “SP 2”) and then to choose which one

to make active.

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 3

This function can be used if it is necessary to switch two

different function temperatures (e.g. day and night or positive

and negative etc).

The active set point can be selected:

- Using the parameter “SPAt”

- using the key F if the parameter "USrb" = 3.

- Using the key DOWN/AUX

if the parameter "Fbd" = 3.

- Using the digital input if

the parameter. “diF” = 8

(see par. 4.10 e 4.12)

The Set points "SP1" and "SP2" can be set with a value

between the programmed value in parameter. “SPLL” and the

programmed value in parameter “SPHL”.

Nota: in the examples that follow, the Set point is generally

indicated as "SP", how when operating the instrument will work

according to the Set point selected as active.

2.6 - ON / STAND-BY FUNCTION

The instrument, once powered up, can assume 2 different

conditions:

- ON : means that the controller uses the control functions.

- STAND-BY : means that the controller does not use any

control function and the display is turned off except for the

green SET led.

If there is no power, and then power returns, the system always

sets itself in the condition it was in before the black-out.

The ON/Stand-by function can be selected:

- Using the key F if the parameter "USrb" = 4.

- Using the key DOWN/AUX if the parameter "Fbd" = 4.

- using the digital input if the parameter “diF” = 10

(see par. 4.10 e 4.12)

2.7 - TIME SETTING

When the instrument has an internal clock it is necessary to

programme it on the current time by using the parameter

“StCL” contained in the group “]CLO“.

The instrument has an internal quartz for the clock, however,

should the clock become inaccurate (especially over a long

period) it can be adjusted daily using the parameter “CLOF”

contained in the same group.

The working of the clock is guaranteed by an internal

condenser for a period of about 4 hours without any power to

the instrument.

If the instrument should remain without power for a long period,

remember to check and if necessary re-programme the exact

time.

3 - INFORMATION ON INSTALLATION AND USE

3.1 - PERMITTED USE

The devices are made as measuring and

regulating equipment in accordance with EN

61010-1 norm for operation up to an altitude of

2000 mts.

The use of equipment for standard applications

not expressly provided in norm cited above,

should provide all measurement and adjustments necessary

protection.

The equipment must be adequately protected and away from

liquids, dust, grease and dirt. They must be accessible only

with the use of a right tool and safety system (except the front).

The devices can NOT be used in dangerous environments

(flammable or explosive) without adequate protection.

It is recalled that the installer must ensure that the norm for

electromagnetic compatibility is respected after implantation in

the installation of equipment, eventually using the right filters if

is needed.

In case of failure or malfunction of measuring and control

equipment that can create dangerous situations or damage to

persons, things, animals or products (defrost food or changes

in their ideal state), it is recalled that the facility should be

equipped with electronic devices or electromechanical safety

and warning system.

They should be placed outside the measuring and control

equipments, possible protective devices, responding to specific

safety requirements that are covered by the norm of the

product or suggest the common sense.

For your own safety, is highly recommended fulfilling the

instructions provided above.

The instrument, in case 33 x 75 mm, is designed for flush-in

panel mounting.

Make a hole 29 x 71 mm and insert the instrument, fixing it with

the provided special bracket.

We recommend that the gasket is mounted in order to obtain

the front protection degree as declared. Avoid placing the

instrument in environments with very high humidity levels or dirt

that may create condensation or introduction of conductive

substances into the instrument.

Ensure adequate ventilation to the instrument and avoid

installation in containers that house devices which may

overheat or which may cause the instrument to function at a

higher temperature than the one permitted and declared.

Connect the instrument as far away as possible from sources

of electromagnetic disturbances such as motors, power relays,

relays, solenoid valves, etc.

3.3 - ELECTRICAL CONNECTION

Carry out the electrical wiring by connecting only one wire to

each terminal, according to the following diagram, checking

that the power supply is the same as that indicated on the

instrument and that the load current absorption is no higher

than the maximum electricity current permitted.

As the instrument is built-in equipment with permanent

connection inside housing, it is not equipped with either

switches or internal devices to protect against overload of

current: the installation will include an overload protection and a

two-phase circuit-breaker, placed as near as possible to the

instrument, and located in a position that can easily be reached

by the user and marked as instrument disconnecting device

which interrupts the power supply to the equipment.

It is also recommended that the supply of all the electrical

circuits connected to the instrument must be protect properly,

using devices (ex. fuses) proportionate to the circulating

currents.

It is strongly recommended that cables with proper insulation,

according to the working voltages and temperatures, be used.

Furthermore, the input cable of the probe has to be kept

separate from line voltage wiring. If the input cable of the probe

is screened, it has to be connected to the ground with only one

side.

Whether the instrument is 12 V version it’s recommended to

use an external transformer TF3, or with equivalent features,

and to use only one transformer for each instrument because

there is no insulation between supply and input.

We recommend that a check should be made that the

parameters are those desired and that the application functions

correctly before connecting the outputs to the actuators so as

to avoid malfunctioning that may cause irregularities in the

plant that could cause damage to people, things or animals.

OSAKA and its legal representatives do not assume any

responsibility for any damage to people, things or animals

deriving from violation, wrong or improper use or in any

case not in compliance with the instrument’s features.

3.2 - MECHANICAL MOUNTING

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 4

3.4 - ELECTRICAL WIRING DIAGRAM

Dig

Pr1

Pr2

INPUTS

SUPPLY

OUT3: 5A-AC1(2A-AC3) / 250 VAC

OUT2: 8A-AC1(3A-AC3) / 250

VAC

OUT1: 16A-AC1(6A-AC3) / 250 VAC

OUT2

OUT1

OUT3

BUZZER

INTERNAL

OF 33 Z / OF 33 AZ

4 - FUNCTIONS

4.1 - MEASURING AND VISUALIZATION

All the parameters concerning measuring are contained in the

group “]InP”.

Via the parameter “SEnS” it is possible to select the type of

probes that one wishes to use and which can be: thermistores

PTC KTY81-121 (Ptc) or NTC 103AT-2 (ntc).

Once the type of probe used has been selected, through the

parameter “Unit”, it is possible to select the temperature unit

of measurement (°C or °F) and, through the parameter “dP”,

the resolution of the desired measurement (OFF=1°; On =0,1°).

The instrument allows the measuring to be calibrated, that can

be used for re-calibrating the instrument according to

application needs, through the parameters “OFS1” (for the

probe Pr1) and “OFS2” (for the probe Pr2).

If probe Pr2 (evaporator) is not used, set the parameter “Pr 2”

= OFF.

Using the parameter “FiL”, it is possible to set the time

constant for the software filter for measuring the input values to

be able to reduce the sensitivity to measurement disturbances

(increasing the time).

Through the paragraph “diSP”, it is possible to fix the normal

visualisation on the display that can be the measurement of the

cell probe (Pr 1), the measurement of the evaporator probe (Pr

2), the set point of active regulation (SP), the current hour if the

instrument has a clock (CLo) or it can have the numerical

display switched off (OFF).

Regardless of what is set in the parameter “diSP”, it is possible

to visualise all the variables in rotation by pressing the key F,

the display will alternately show the code that identifies the

variable (Pr 1, Pr 2 and, if present the clock, CLo) and its

value.

The exit of this visualisation mode occurs automatically 15

seconds after the last pressing on the key F.

Please remember that visualisation of the probe Pr1 can be

changed by the display block in defrosting function too, by

using the parameter “dLo” (see par. 4.6).

4.2 - OUTPUTS CONFIGURATION

The instrument outputs can be configured in the parameters

group “]Out” where the relative parameters “O1F” , “O2F”

“O3F” are found and also the parameter “buF” that allows

configuration of the internal buzzer (if present).

The outputs can be configured for the following functions

= Out - to control the compressor or however, the temperature

control device

= dEF - to control the defrosting device

= FAn - to control the fans

= AuS - to control the auxiliary device (see par. 4.11)

= ALt - to control a silenceable alarm device through a contact

that is normally open, and then closed when the alarm sounds

= AL - to control an alarm that cannot be silenced through a

contact that is normally open and closed when the alarm

sounds.

= ALL - to control an alarm with a memory function through a

contact that is normally open and closed when the alarm

sounds.

= -ALt - to control a silenceable alarm device through a contact

that is normally closed, and then open when the alarm sounds.

= -AL - control an alarm that cannot be silenced through a

contact that is normally closed and open when the alarm

sounds.

= -ALL - to control an alarm with a memory function through a

contact that is normally closed and open when the alarm

sounds (see alarm memory).

= OFF - Disabled output

4.3 - TEMPERATURE CONTROL

All the parameters concerning temperature regulation are

contained in the group “]rEG”.

The regulation of the instrument is ON/OFF and acts on the

output configured as “Out” depending on the measuring of

probe Pr1, of the active Set Point “SP” (1 or 2), the intervention

differential “HSEt” and the function mode “Func” .

Depending on the function mode programmed on the

parameter “Func” the differential is automatically considered by

the regulator with positive values for a Refrigeration control

(“Func”=CooL) or with negative values for a heating control

(“Func”=HEAt).

O ut

off

H E A t

O ut

tim e

H S E t

Tem p .

H S E t

tim e

C ooL

ON ONON ON ON

offoff o ff

P r1 P r1

Tem p .

In the event of cell probe error (Pr1), it is possible to set the

instrument so that that the output “Out” continues to work in

cycles according to the times programmed in the parameter

“tonE” (activation time) and “toFE” (deactivation time).

If an error occurs on the probe Pr1 the instrument activates the

output for the time “tonE”, then deactivates it for the time “toFE”

and so on whilst the error remains.

Programming “tonE” = OFF lthe output in probe error condition

will remain switched off.

Programming instead “tonE” to any value and “toFE” = OFF the

output in probe error condition will remain switched on.

Remember that the temperature regulation function can be

conditioned by the “Continuous Cycle”, “Compressor

Protection”, “Minimum compressor function time”, “Delay

compressor start up after defrosting” and “inhibition of

compressor close to defrosting” functions described below.

4.4 - CONTINUOUS CYCLE FUNCTION

The instrument has a continuous cycle function by which it is

possible to maintain the configured output configured as “out”

always active for the time set in parameter “tCC” (in the group

“]rEG”) regardless of the temperature control command.

The function can be used for example, when rapid lowering of

the product temperature is required after the refrigerator

loading phase.

During the continuous cycle, the defrosting is inhibited and the

temperature alarms are disabled during the entire cycle and

also later for the time set in parameter “dALc” (see par. 4.9).

Starting up a continuous cycle can only be done by a manual

command using the F or DOWN/AUX (“UrSb” or “Fbd” = 2)

keys or via the digital input (“diF”=3) if suitably programmed

(see par. 4.10 and 4.12).

The continuous cycle in progress is shown on the display with

the indication CC and can be stopped by a further action on the

key or digital input (as for activation).

The continuous cycle function cannot be activated during

defrosting and with "tCC" = OFF.

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 5

4.5 - COMPRESSOR PROTECTION FUNCTION AND DELAY

AT POWER-ON

All the parameters concerning the compressor protection

functions and the delay at power on are contained in the group

“]PrC”.

The function “Compressor Protection” carried out by the

machine aims to avoid close start ups of the compressor

controlled by the instrument in cooling applications.

This function foresees a time control on the switching on of the

“Out” output associated with the temperature regulation

request.

The protection consists of preventing the output being switched

on during the time set in the parameter “PtC” and counted

depending on what has been programmed in the parameter

“PSC”, and therefore that any activation occurs only after the

“PtC” time has finished.

If during the power on delay phase, the regulator request

should disappear, due to an inhibition caused by the

compressor protection function, the foreseen start up of the

output is naturally cancelled.

Using the parameter "PSC", it is possible to set the type of

compressor protection and therefore from when the inhibition

time “PtC” must start.

The parameter “PSC” can be set as:

=1: Power on delay

Tem p.

O ut

P tC

off

P tCP tC

"P S C " = 1

tim e

H S E t

off off off

ON ON

P r1

=2: Delay after power off

O ut off

P tC P tC P tC

Tem p. "P S C " = 2

tim e

H S E t

ON ON

off off

P r1

=3: Delay between power on phases.

P tC

O ut off

Tem p .

P tC P tC

tim e

H S E t

"P S C " = 3

off off

ON ON

P r1

The function is disabled by programming “PtC” = 0.

Through the parameter “LCt” it is also possible to set the

minimum activation time of the output to avoid switching on of

the compressor that is too short.

During the power on delay phases of the OUT output by

inhibiting the function “Compressor Protection” or delay of

power off caused by the minimum function time “LCt”, the led

OUT flashes.

It is also possible to prevent activation of all the outputs after

the instrument is turned on, for the time set in the parameter

“od”.

The function is disabled by “od” = OFF.

During the power on delay phase, the display shows the

indication od, alternating with the normal programmed

visualisation.

4.6 - DEFROST CONTROL

All the parameters concerning the defrosting control that acts

on the outputs configured as “Out” and “dEF”, are container in

the group “]dEF”.

The type of defrosting that the instrument must carry out is set

by the parameter “dtyP” that can be programmed:

= EL - WITH ELECTRICAL HEATING or BY STOPPING

COMPRESSOR (during defrosting, the output “Out” is

deactivated while the output “dEF” is enabled)

= in - WITH HOT GAS or INVERSION OF CYCLE (during

defrosting the outputs “Out” and “dEF” are enabled)

The automatic defrosting can take place at intervals or if the

instrument has an internal clock, at set hours.

Defrosting at intervals is possible by setting the time that runs

between the two next automatic defrostings in the parameter

“dint”.

Counting this interval is set through the parameter "dCt" that

can be programmed:

= rt - counts the total function time (instrument on)

= ct - counts only the compressor function time (output OUT

switched on)

= cS - the instrument carries out a defrosting cycle at each

compressor stop (i.e. at each deactivation of the output OUT).

If this option is used, set “dint”=OFF.

if the instrument has an internal clock, it is possible to carry out

up to 6 defrostings per day at set times.

To use this mode, it is necessary to set the parameter

"dint"=OFF so that the defrosting at intervals is disabled and to

set the parameters “dF 1”, “dF 2”, “dF 3”, “dF 4”, “dF 5”,

“dF 6” with the times when the defrosting must be carried out.

The automatic defrosting cycle can be at time intervals or, if an

evaporator probe is used (Pr2), when a temperature is reached.

If the evaporator probe is not used (par. “Pr 2” = OFF) the

duration cycle is set by the parameter “dEFE”.

If instead the evaporator probe is used (parameter “Pr 2” = on)

the defrosting takes place when the temperature measured by

the probe exceeds the temperature set in the parameter

“tEdF”.

If this temperature is not reached in the time set in the

parameter “dEFE”, defrosting is interrupted.

In order to avoid pointless defrosting the parameter. “tSdF” is

foreseen that sets the enablement temperature for defrosting

If the temperature measured by the probe is higher than the

one set in the parameter “tSdF” and in the parameter "tEFE"

the defrosting is inhibited.

(N O d ef.)

(d e fro s t)

tE d F

d E F off

tS d F

dint

P r2

Tem p.

(d e fro s t)

dint d E F E

dint dint

tim e

off o ff

Examples: defrosting 1 ends due to reaching of temperature

“tEdF”, defrosting 2 ends at the end of the “dEFE” time as the

temperature “tEdF” is not reached, defrosting 3 does not take

place as the temperature is higher than “tSdF”.

At the end of defrosting, it is possible to delay the new start up

of the compressor (output “Out”) at the time set in parameter

“tdCO” to allow the evaporator to drain.

During this delay, the led Def flashes to indicate the draining

state.

It is also possible to prevent start up of the compressor near to

defrosting, to avoid waste of energy.

If inside the time set in the parameter “COFd” (counted in

advance compared to the start up of automatic defrosting both

at intervals and by clock), an activation request for the output

“Out” should take place, this does not take place and it is

signalled by the flashing of the Out led.

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 6

If one wishes to set a defrosting cycle every time the instrument

is switched on (as long as the conditions set in the parameters

“tSdF” and "tEFE" apply) programme the parameter “SdEF” =

yES.

This allows the evaporator to be permanently defrosted, even

when frequent interruptions to power supply occur that may

cause the cancellation of the various defrosting cycles.

During the defrosting, it may occur that the temperature

measured by the cell probe (Pr1) increases excessively (this

obviously depends on the position of the probe Pr1 compared

to the evaporator).

In the event that one does not wish this increase to be

visualised by the instrument, it is possible to use the functions

in the parameter “dLo” (Block display during defrosting) and

“Etdu” (Differential unblocking of display after defrosting).

The parameter “dLo” = On allows the temperature Pr1

visualisation to be blocked on the last reading during a whole

defrosting cycle and until the temperature does not return

under the value [”SP” + “Etdu”] after defrosting has finished (or

the time set in the parameter "dALd" contained in the block

“]AL”).

With “dLo” = Lb, this allows visualisation of the writing dEF

during defrosting and at the end of defrosting the writing PdEF

up to when the temperature Pr1 does not return below the

value [”SP” + “Etdu”] (or the time set on the parameter "dALd"

contained in the block “]AL”).

Alternatively with the “dLo” = OFF, during defrosting, the

instrument will continue to visualise the temperature measured

by the probe Pr1.

Note that during defrosting, the temperature alarms are

disabled during the whole cycle and also afterwards for the

time set in the parameter “dALd” (see par. 4.9).

4.7 - MANUAL DEFROST

To start up a manual defrosting cycle, press the key

UP/DEFROST when it is not in programming mode and keep it

pressed for about 5 seconds after which, if the conditions are

correct, the led DEF will light up and the instrument will carry

out a defrosting cycle.

The start up or switch off commands of a defrosting cycle can

also be given by the digital input that are correctly programmed

(see par. 4.10).

4.8 - EVAPORATOR FANS CONTROL

All the parameters concerning fan control are contained in the

group “]FAn”.

The control of the fans on the output configured as “FAn”

depending on determined control statuses of the instrument

and the temperature measured by the probe Pr2.

In the case that the probe Pr2 is not used (parameter “Pr 2” =

OFF) or in error (E2 o -E2) , the output FAN is activated only

depending on the parameters “FCOF” and “FEdF”.

The parameter “FCOF” decides whether the fans must always

be switched on independently of the compressor status

(“FCOF”=On) or be switched off together with the compressor

(“FCOF”=OFF).

The parameter “FEdF” instead decides whether the fans must

always be switched on independently of the defrosting status

(“FEdF”=On) or switched off during defrosting (“FEdF”=OFF).

In this latter case, it is possible to delay the start up of the fans

even after the end of the defrosting of the time set in the

parameter “Fd”.

When the probe Pr2 is used (par. “Pr 2” = on) the fans, as well

as being conditioned by the parameters “FCOF” and “FEdF”,

are also conditioned by the temperature control.

It is possible to set the disablement of the fans when the

temperature measured by the probe Pr2 is higher than the one

set in the parameter “FLt” (temperature too hot) or when it is

lower than the one set in the parameter “Fct” (temperature too

cold).

The relative differential that can be set in parameter “dF” is

also associated with these parameters.

tim e

F A n off

Fct

P r2

Tem p .

FLt

off off

4.9 - ALARM FUNCTIONS

All the parameters concerning the alarm functions are

contained in group “]AL”.

The alarm functions of the instrument work on the internal

buzzer, if present and configured via the parameter “buF”, and

on the output desired, if configured by the parameters “O1F”,

“O2F” or “O3F”, depending on what is set on the said

parameters.

The possible selections of these parameters for the alarm

signalling function are:

= ALt - when one wants the buzzer or output to be activated in

alarm and can be disabled (alarm silencing) manually by

pressing any key of the instrument (typical application for

sound signal).

= AL - when one wants the buzzer or output to be activated in

alarm status but cannot be disabled manually and are therefore

only disabled when the alarm status ceases (typical application

for a light signal).

= ALL - when one wants the buzzer or output to be activated in

alarm status and that they remain activated even when the

alarm has ceased (see par.4.9.4) Disablement (recognition of

memorised alarm) can only be carried out manually by pressing

any key when the alarm has ended (typical application for light

signal).

= -ALt - when one wants the function described as ALt but with

an inverse function (buzzer or output activated in normal

condition and disabled in alarm status).

= -AL - when one wants the function described as AL but with

inverse logic (buzzer or output activated in normal conditions

and disabled in alarm status).

= -ALL - when one wants the function described as ALL but

with inverse working logic (buzzer or output activated in normal

conditions and disabled in alarm status).

When no alarms are present, the green LED OK is lit.

Any active alarm is shown on the instrument display with the

lighting up of the AL led and the switching off of the led OK.

Any silenced or memorised alarm status is shown by the AL

led flashing .

The alarm conditions of the instrument are:

- Probe errors “E1”, “-E1”, “E2, “-E2”

- temperature alarms “HI” and “LO”

- External alarms “AL”

- Open door alarm “AP”

4.9.1 - TEMPERATURE ALARMS

The temperature alarms work according to the probe Pr1

measurements, the type of alarm set in the parameter “Aty”

the alarm thresholds set in parameters “HAL” (maximum

alarm) and “LAL” (minimum alarm) and the relative differential

“dAL”.

Through the parameter “Aty” it is possible to set the alarm

thresholds “HAL” and “LAL” which must be considered as

absolute (“Aty”=Ab) or relative to the active Set Point

(“Aty”=dE).

Using some parameters it is also possible to delay the

enablement and the intervention of these alarms.

These parameters are:

“PAL” - is the temperature alarm exclusion time on switching

on the instrument if the instrument is in alarm status when it is

switched on.

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 7

“dALd” - is the temperature alarm exclusion time at the end of

defrosting (and , if programmed, at the end of draining)

"dALc" - is the temperature alarm exclusion time at the end of

a continuous cycle.

“ALd” - is the temperature alarm delay activation time

The temperature alarm is enabled at the end of exclusion time

and is enabled after the “ALd” time when the temperature

measured by the probe Pr1 exceeds or goes below the

respective maximum and minimum alarm thresholds.

The alarm thresholds will be the same as those set on the

parameters “HAL” and LAL” if the alarms are absolute

(“Aty”=Ab)

d A L

tim e

AL off

L A L

H A L

Te m p.

P r1

off off

Or will be the values [”SP”+”HAL”] and [”SP”-”LAL”] if the

alarms are relative (“Aty”=dE).

tim e

d A L

AL off

L A L

H A L

Te m p.

P r1

off o ff

The maximum and minimum temperature alarms can be

disabled by setting the relative parameters "HAL" and "LAL" =

OFF.

At the same time as the signalling of the configured alarm

(buzzer and/or output), the instrument signals the alarm by

turning on the led light AL, switching off the LED OK, turning on

the led - in case of minimum alarm or the led + for maximum

alarm, and visualises on the display:

- Alternately HI and the set variable in parameter “diSP” for

maximum alarm

- Alternately LO and the set variable in parameter “diSP” for the

minimum alarm

4.9.2 - EXTERNAL ALARM

The instrument can signal an external alarm by activating the

digital input with the function programmed as “diF” = 4 or 9 (see

par. 4.10).

At the same time as the signalling of the configured alarm

(buzzer and/or output), the instrument signals the alarm by

turning on the led AL, turning off the led OK and visualising AL

and the variable set in parameter “diSP” alternately on the

display.

4.9.3 - OPEN DOOR ALARM

The instrument can signal an open door alarm by activating the

digital input with the function programmed as “din” = 5 or 6 (see

par. 4.10).

When the digital input is activated and after the delay

programmed in parameter “oAd”, the instrument signals the

alarm via the activation of the configured devices (buzzer

and/or output), the turning on of the led AL, the turning off of

the led OK and AP and the variable set in parameter “diSP” are

visualised alternately on the display.

4.9.4 - ALARM MEMORY

The instrument offers the possibility of arranging the alarm

memory function via the parameter “tAL”.

If "tAL" = no, the instrument cancels the alarm signal when the

alarm status ends, if instead it is programmed as "yES" , the

led AL flashes even when the alarm status has ended to

indicate that there has been an alarm.

If the memorised alarm is for temperature, it also keeps the led

- flashing to show a minimum alarm and + to show a maximum

alarm.

To cancel the alarm memory signal, press any key.

It must be remembered that if an output function is desired (or

the buzzer) with an alarm memory (=ALL or =-ALL) it is

necessary to set the parameter “tAL” = yES.

4.10 - DIGITAL INPUT

All the parameters concerning the digital input functions are

contained in the group “]din”.

The digital input present on the instrument accepts contacts

free of voltage, the function carried out is defined by the

parameter “diF” and the action can be delayed for the time set

in parameter “did”.

The parameter “diF” can be configured for the following

functions:

=0- Digital input not active

= 1 - defrosting commencement command with contact

normally open: on closing the input (and after the “did” time) a

defrosting cycle is activated.

= 2 - defrosting end command with contact normally open: on

closing the input (and after the “did” time) a defrosting cycle is

ended if in progress or defrosting is inhibited.

= 3 - continuous cycle activation command with contact

normally open: on closing the input (and after the “did” time) a

continuous cycle is started up as described in the paragraph on

the continuous cycle function.

= 4 - External alarm signal with contact normally open: on

closing the input (and after the “did” time) the alarm is activated

and the instrument visualises AL and the variable set in

parameter “diSP” alternately on the display.

= 5 -Cell door opening with fan block with contact normally

open: on closing the input (and after the “did” time) the fans are

stopped and the instrument visualises AP and the variable set

in parameter “diSP” alternately on the display. With this

function mode, the action of the digital input also activates the

time that can be set in parameter "oAd" after which the alarm is

activated to signal that the door has been left open.

= 6 - Cell door opening with compressor and fan block with

contact normally open: similar to “diF” = 5 but with fan and

compressor block.

= 7 - Remote control of auxiliary output AUX with contact

normally open: on closing the input (and after the “did” time)

the auxiliary output is activated as described in the "FOA" = 2

function mode of the auxiliary output.

= 8 - Selecting the active set point with contact normally open:

on closing the input (and after the “did” time) the temperature

regulation set point “SP 2” is activated. When instead the input

is open the set point “SP 1” is active (see selecting active set

point)

= 9 - Signalling of external alarm with disablement of all the

control outputs with contact normally open: on closing the input

(and after the “did” time) all the control outputs are disabled,

the alarm is activated and the instrument visualises AL and the

variable set in parameter “diSP” alternately on the display.

= 10 - Switching on/switching off (Stand-by) of instrument with

contact normally open: on closing the input (and after the “did”

time) the instrument is switched on while it is placed in Stand-

by when opened.

= -1 - defrosting commencement command with contact

normally closed : similar to “diF”=1 but with function logic

reversed.

= -2 - defrosting end command with contact normally closed :

similar to “diF”=2 but with function logic reversed.

= -3 - continuous cycle start-up command with contact normally

closed : similar to “diF”=3 but with function logic reversed.

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 8

= -4 - External alarm signal with contact normally closed :

similar to “diF”=4 but with function logic reversed.

= -5 - Cell door opening with fan block with contact normally

closed : similar to “diF”=5 but with function logic reversed

= -6 - Cell door opening with compressor and fan block with

contact normally closed : similar to “diF”=6 but with function

logic reversed.

= -7 - Remote control of auxiliary output AUX with contact

normally closed : similar to “diF”=7 but with function logic

reversed.

= -8 - Selecting the active set point with contact normally closed

: similar to “diF”=8 but with function logic reversed.

= -9 - Signalling of external alarm with disablement of all the

outputs with contact normally closed : similar to “diF”=9 but with

function logic reversed

= -10 - Switching on/off (Stand-by) of instrument: similar to

“diF”=10 but with function logic reversed.

4.11 - AUXILIARY OUTPUT

All the parameters concerning the auxiliary output functions are

contained in the group “]AuS”.

The auxiliary outpurt can be configured to operate on any of the

outputs by programming the parameter of the desired output =

AuS.

The function carried out is defined by the parameter “FOA”

and the function is conditioned by the time set in parameter

“tuA”.

The parameter “FOA” can be configured for the following

functions:

= 0 - Auxiliary output not active

= 1 - Regulation output delayed with contact normally open: the

auxiliary output is activated with delay that can be set on the

parameter "tuA" compared to the output configured as Out. The

output is then turned off at the same time as the OUT output is

disabled. This function mode can be used as a command for a

second compressor or for all other working utilities according to

the same OUT output conditions, but which must be delayed

after the start up of the compressor to avoid excess electricity

absorption.

= 2 - Activation by front key (U or DOWN/AUX) or by digital

input with contact normally open: the output is activated by

pressing the keys F or DOWN/AUX suitably configured (“USrb”

or “Fbd” = 1) or via activation of the digital input if suitably

configured (“diF”=7). These commands have a bi-stable

function, Which means that when first pressed, the output key

is activated while the second is disabled. In this mode, the AUX

output can be turned off automatically after a certain time that

can be set on the parameter "tuA". With "tuA" = OFF the output

is activated and deactivated only manually, using the front key

(U or DOWN/AUX) or via the digital input. Differently, the

output, once activated, is turned off automatically after the set

time. This function can be used, for example, as a cell light

command, for non-misting resistance or other utilities .

= -1 - Delayed regulation output with contact normally closed:

similar to “FOA”=1 but with function logic reversed.

= -2 - Activation by front key (U or DOWN/AUX) or by digital

input with contact normally closed: similar to “FOA”=2 but with

function logic reversed.

4.12 - FUNCTIONING OF KEYS “F” AND “DOWN/AUX”

Two of the instrument keys, in addition to their normal

functions, can be configured to operate other commands.

The F key function can be defined by the parameter “USrb”

while the DOWN/AUX key function can be defined by the

parameter “Fbd” both contained in the group “]PAn”.

Both the parameters have the same possibilities and can be

configured for the following functions:

=0- The key carries out no function.

= 1 - Pressing the key for at least 1 second, it is possible to

enable/disable the auxiliary output if configured (“FOA”=2).

= 2 - Pressing the key for at least 1 second, it is possible to

enable/disable a continuous cycle (see continuous cycle

function).

= 3 - Pressing the key for at least 1 second, it is possible to

select one of the 2 memorised set point in rotation. Once

selection has been made, the display will flash the active set

point code for about 1 sec. (SP 1or SP 2).

= 4 - Pressing the key for at least 1 second, it is possible to

switch the instrument from the ON status to Stand-by status

and vice versa.

4.13 - KEY USB + OSAKA SETUP: KEY PROGRAMMING

Extracting the box you have access to a white connector that

allows easy programming with programming key 5 pin. This key

allows repetitive schedules and save the settings in a practical

and simple.

There are 2 types of Key, the key enabling USB connection pc

and save the different configurations and set parameters and

Manual Key 5 pin only for connecting thermostats.

An advantage and recommendation is the use of the supplied

power supply KEY without connecting the F 100 / TSF 100 / M1

to power.

S U P P L Y

S U P P L Y A D A P T E R

1 2 V D C A C S U P P L Y

S U P P L Y A D A P T E R

1 2 V D C A C S U P P L Y

U S B

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 9

5 - PROGRAMMABLE PARAMETERS TABLE

Here below is a description of all the parameters available on

the instrument. Some of them may not be present, either due

to the fact they depend on the type of instrument or because

they are automatically disabled as unnecessary.

Group ]SP (parameters relative to Set Point)

Par.

Description

Range

Def.

SPAt

Active Set point

1 ÷ 2

SP1

Set Point 1

SPLL ÷ SPHL

0.0

SP2

Set Point 2

SPLL ÷ SPHL

0.0

SPLL

Minimum Set Point

-58 ÷ SPHL

-50.0

SPHL

Maximum Set Point

SPLL ÷ 302

100.0

Group ]InP (parameters relative to measuring inputs)

Par.

Description

Range

Def.

SEnS

Probes Type

Ptc - ntc

Ptc

OFS1

Pr1 Probe (cell)

Calibration

-30 ÷ 30

°C/°F

0.0

OFS2

Pr2 Probe (evaporator)

Calibration

-30 ÷ 30

°C/°F

0.0

Pr 2

Pr2 Probe Presence

(evaporator)

On - OFF

Unit

Unit of measurement

°C - °F

°C

Decimal point

On - OFF

FiL

Measurement filter

OFF ÷ 20.0

sec

2.0

diSP

Variable visualized

normally on display:

OFF=Display off

Pr1= measurement probe

Pr1

Pr2= measurement probe

Pr2

SP= Active Set Point

CL= Clock time

OFF - Pr1 -

Pr2 - SP - CL

Pr1

Group ]rEG (parameters relative to temperature control)

Par.

Description

Range

Def.

HSEt

Differential

0 ÷ 30

°C/°F

2.0

tonE

Activation time output

OUT for probe Pr1

broken

OFF ÷ 99.59

min.sec

OFF

toFE

Deactivation time output

OUT for probe Pr1

broken

OFF ÷ 99.59

min.sec

OFF

Func

Function mode output

OUT

HEAt - CooL

CooL

tCC

Continuous cycle Time

OFF ÷ 99.59

hrs.min

OFF

Group ]dEF (parameters relative to defrosting control)

Par.

Description

Range

Def.

dtyP

Defrosting Type:

EL = electrical

in = hot gas/reverse cycle

EL - in

dint

Defrosting interval

OFF ÷ 99.59

hrs.min

6.00

dF 1

Time start defrost 1

OFF - 00.00 ÷

23.59 hrs.min

OFF

dF 2

Time start defrost 2

OFF - 00.00 ÷

23.59 hrs.min

OFF

dF 3

Time start defrost 3

OFF - 00.00 ÷

23.59 hrs.min

OFF

dF 4

Time start defrost 4

OFF - 00.00 ÷

23.59 hrs.min

OFF

dF 5

Time start defrost 5

OFF - 00.00 ÷

23.59 hrs.min

OFF

dF 6

Time start defrost 6

OFF - 00.00 ÷

23.59 hrs.min

OFF

dEFE

Max. lenght of defrost

cycle

0.01 ÷ 99.59

min.sec

30.00

tEdF

Defrost stop temperature

- 58 ÷ 302

°C/°F

8.0

tSdF

Defrost enable

temperature

- 58 ÷ 302

°C/°F

2.0

dCt

Defrosting intervals

Counting mode:

rt = real time

ct = On OUT time

cS = defrost every off

OUT

rt - ct - cS

tdCO

Compressor delay after

defrost (drainage time)

OFF ÷ 99.59

min.sec

OFF

SdEF

Defrost at power on

no - yES

dLo

Defrost display

LockOFF= display

freeOn= Lock on

temperature Pr1 before

defrostLb= Lock on label

“dEF” (during defrosting)

and “PdEF” (during post-

defrosting)

On - OFF - Lb

OFF

Etdu

Differential display unlock

after defrost

0 ÷ 30

°C/°F

2.0

COFd

Time compressor off

before defrost

OFF ÷ 99.59

min.sec

OFF

Group ]FAn (parameters relative to evaporator fan control)

Par.

Description

Range

Def.

FCOF

Fan status with

compressor off

On - OFF

FEdF

Fan status during defrost

On - OFF

OFF

FLt

High temperature fan off

- 58 ÷ 302

°C/°F

2.0

Fct

Low temperature fan off

- 58 ÷ 302

°C/°F

-50.0

Differential fan control

0 ÷ 30

°C/°F

2.0

Fan delay after defrost

OFF ÷ 99.59

min.sec

OFF

Group ]PrC (parameters relative to compressor protection and

power on delay)

Par.

Description

Range

Def.

PSC

Type of compressor

protection:1= delay at

switch on2= delay after

switch off3= delay

between starts

1 - 2 - 3

PtC

Compressor protection

time

OFF ÷ 99.59

min.sec

OFF

LtC

Minimum compressor

function time

OFF ÷ 99.59

min.sec

OFF

Delay at power on

OFF ÷ 99.59

min.sec

OFF

Group ]AL (parameters relative to alarms)

Par.

Description

Range

Def.

Aty

Temperature alarms

Type:

Ab = Absolute

dE =Relative to Set

Ab - dE

HAL

High temperature Alarm

threshold

OFF / - 58 ÷

302 °C/°F

OFF

LAL

Low temperature Alarm

threshold

OFF / - 58 ÷

302 °C/°F

OFF

OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 10

dAL

Temperature Alarms

Differential

0 ÷ 30

°C/°F

2.0

ALd

Temperature Alarms

delay

OFF ÷ 99.59

min.sec

OFF

tAL

Alarm memory

no - yES

PAL

Temperature Alarms

delay at power on

OFF ÷ 99.59

hrs.min

2.00

dALd

Temperature Alarms

delay and unlock display

delay after defrost

OFF ÷ 99.59

hrs.min

1.00

dALc

Temperature alarms

delay after continuous

cycle

OFF ÷ 99.59

hrs.min

OFF

oAd

Alarm delay with open

door

OFF ÷ 99.59

min.sec

OFF

Group ]din (parameters relative to digital input)

Par.

Description

Range

Def.

diF

Function and function

logic of digital input:

0 = No function

1= Start defrost

2= End defrost

3= Continuous cycle

4= External alarm

5= Door open with fan

block

6= Door open with fan

and compressor block

7= Auxiliary output

command

8= Selection of active Set

Point

9= External alarm with

deactivation of control

outputs

10= Switch on/Switch off

(Stand-by)

-10 / -9 / -8 / -7

/ -6 / -5 / -4 / -3

/ -2 / -1 / 0 / 1 /

2 / 3 / 4 / 5 / 6 /

7 / 8 / 9 / 10

did

Delay in acquiring digital

input

OFF ÷ 99.59

min.sec

OFF

Group ]AuS (parameters relative to auxiliary output)

Par.

Description

Range

Def.

FOA

Function mode auxiliary

output:

0= No Function

1= regulation output

delayed

2= manual activation by

key or digital input.

0 / 1 / 2 / -1 / -

tuA

Time relative to auxiliary

output

OFF ÷ 99.59

min.sec

OFF

Group ]Out (parameters relative to configuration of outputs)

Par.

Description

Range

Def.

Out1

Configuration of output

function OUT1:

OFF= No function

Out= Temperature

control (compressor)

dEF= defrosting

FAn= fans

AuS= Auxiliary

ALt= Silenceable alarm

AL= Alarm not

silenceable

ALL= memorised alarm

OFF/Out/dEF/

FAn/AuS/ALt/

AL/ALL/ -ALt/ -

AL/ -ALL

Out

Out2

Configuration of output

function OUT2:

see “Out1”

OFF/Out/dEF/

FAn/AuS/ALt/

AL/ALL/ -ALt/ -

AL/ -ALL

dEF

Out3

Configuration of output

function OUT3:

see “Out1”

OFF/Out/dEF/

FAn/AuS/ALt/

AL/ALL/ -ALt/ -

AL/ -ALL

FAn

buF

Configuration Buzzer

function:

see “Out1”

OFF/Out/dEF/

FAn/AuS/ALt/

AL/ALL/ -ALt/ -

AL/ -ALL

ALt

Group ]PAn (parameters relative to configuration of the

keyboard)

Par.

Description

Range

Def.

Fbd

Function mode key

DOWN/AUX:

OFF= No function

1= Auxiliary output

command

2= Continuous cycle

command

3= Selection of active Set

Point

4= Switch on/Switch off

(Stand-by)

OFF / 1 / 2 / 3

/ 4

OFF

USrb

Function mode key U:

see “Fbd”

OFF / 1 / 2 / 3

/ 4

OFF

PASS

Access Password to

parameter functions

OFF ÷ 9999

OFF

Group ]CLO (parameters relative to the internal clock)

Par.

Description

Range

Def.

StCL

Current time

0.00 ÷ 23.59

hrs.min

0.00

CLOF

Daily calibration of clock

-20 ÷ 20

sec

6 - PROBLEMS, MAINTENANCE AND GUARANTEE

6.1 - SIGNALLING

Error Signalling:

Error

Reason

Action

-E1

The probe Pr1 may be

interrupted or in short

circuit, or may measure a

value outside the range

allowed

Check the correct

connection of the

probe with the

instrument and check

the probe works

correctly

-E2

The probe Pr2 may be

interrupted or in short

circuit, or may measure a

value outside the range

allowed

EEPr

Internal memory error

Check and if

necessary re-

programme the

parameters function.

In Cell probe error status, the output OUT behaves as set by

the parameters “tonE” and “toFE”.

Other Signalling:

Message

Reason

Delay in switching on in progress

dEF

Defrosting in progress with “dLo”=Lb

PdEF

Post-defrosting in progress with “dLo”=Lb

Continuous cycle in progress

Maximum temperature alarm in progress

Minimum temperature alarm in progress

Digital input alarm in progress

Door open

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