Störk-Tronic TRT252-31.34 Guía de inicio rápido

TRT252-31.34

Temperature controller with LON interface

Order number 900177.050

Old Id.Nr.: 199927

Wiring diagram

Product description

TheﬂushpanelcontrolTRT252-30.34,designedasreadytoplug-inunit,isspeciﬁcallyintendedfor

refrigerators with complex control functions. It has two inputs for temperature sensors, ﬁve relays

and an adjustable tension exit (ventilator). The LON interface FTT10 permits communication with

super-ordinate systems.

The integrated real-time clock, however, is a special feature of this control. It is possible to adapt

the general functions and thus the gradient of the temperature in the refrigerator to the currently

needed times.

Various parameters and an additional current- and/or switching input and a external satellite tem-

perature display permit employment of the most various tasks.

Contacts of all inputs and outputs are special plug-in connectors. They are unmistakably marked

with coloured and mechanical coding, strain-free and have a lock. Complex installations and wi-

ring, therefore become redundant. Various possibilities in the organisation of the front design and

a ﬂexible control concept create options for customer-optimised solutions which hardly set any

limits to wishes regarding service and installation comfort.

Sensor: PTC

Range: -55...99◦C

Front size: 252mm x 72mm

Panel cut-out: 243mm x 51mm

Tightness: front IP63

Connector: plug and socket

SOFTWARE .34

Adjustment options

Key UP:

Pressing this key you can increase the parameter or parameter value. Defrosting can

be started any time by pressing the UP-key for 3 seconds.

Key DOWN:

Pressing this key you can decrease the parameter or parameter value. At alarm the

buzzer function can be switched off with this key.

Key SET:

While SET key is pressed, the setpoint is indicated.

In addition, the SET key is used for setting parameters.

Key SET time:

The time display always indicates the actual time T1.

Pressing this key activates an adjusting mode.

Key light:

The output K3 (light) is switched on and the corresponding LED lights up.

Key cooling:

With this key the cooling is switched on or off. The key has to be pressed for at least

half a second. The lamp in the display lights up if cooling is switched off and the unit is

in standby mode.

Key StandBy

With this key the controller is switched to standby mode. Pressing the key a second

time, restarts the unit. The LED lights up if the controller is in standby mode, all other

displays are switched off. Switching on the unit activates the time display.

The condition of standby and cooling is preserved after a power failure. If cooling is switched off no

temperature will be indicated. The controller can be parametered with cooling switched off but not

in standby mode.

Blue key

Freely disposable: the corresponding output is switched on or off. The LED lights up if

the output is switched on.

Additional function (set by parameter b4): adjusting the 2nd setpoint (Y1)

Red key

Freely disposable: the corresponding output is switched on or off. The LED lights up if

the output is switched on.

First control level:

Adjusting the cold room setpoint and actual time

If none of the keys is pressed, the display indicates the actual value of the temperature and the

actual time. Pressing the SET key, the setpoint shows on the display.

If the setpoint is to be changed, the SET key is to be kept pressed while adjusting the setpoint with

the keys UP and DOWN.

Please note that the setpoint can only be changed within the set setpoint limits.

The time can be adjusted with the SET time key in the same way.

General reference

Note that the value is transferred to the captive memory and is safe also after power failure.

Para-

meter Function Adjustment range Standard

setting Customer

setting

S1 Cold room setpoint S1

Please note: during night time

reduction the setpoint S1 is

decreased by the value of H6

to a new setpoint S1’

S1’ = S1 + H6

r1...r2 0.0°C

T1 Actual time 00:00 ... 23:59

Second control level (P-parameter):

Setting of control parameters

Simultaneously pressing the UP and DOWN key for at least 4 seconds opens a parameter list

containing frequently used parameters (the complete list of all parameters is to be found on the

third control level).

With the UP and DOWN keys the list can be scrolled in both directions.

Pressing the SET key will give you the value of the respective parameter. Pressing also the UP or

DOWN key at the same time the value can be adjusted.

Return to the first control level takes place automatically, if no key is pressed for 60 seconds.

Para-

meter Function Adjustment range Standard

setting Customer

setting

PA Access to parameter list,

password: -19 -99...+99 0

r0 Hysteresis for the compressor

contact 0.1...15 K 2 K

P0 Indication of cold room

temperature (sensor F1)

P2 Indication of evaporator

temperature

H00 actual weekday 1: Sunday

2: Monday

3: Tuesday

4: Wednesday

5: Thursday

6: Friday

7: Saturday

H01 Defrost time 1 00:00...24:00

(24:00 = inactive) 24:00

H02 Defrost time 2 00:00...24:00

(24:00 = inactive) 24:00

H03 Defrost time 3 00:00...24:00

(24:00 = inactive) 24:00

H04 Defrost time 4 00:00...24:00

(24:00 = inactive) 24:00

H05 Defrost time 5 00:00...24:00

(24:00 = inactive) 24:00

H06 Night time reduction (increase) -50...50 K

(0 = ineffective) 0.0 K

H07 End of night time reduction on

Sunday 00:00...24:00

(24:00 = inactive) 24:00

H08 Start of night time reduction on

Sunday 00:00...24:00

(24:00 = inactive) 24:00

H09 End of night time reduction on

Monday 00:00...24:00

(24:00 = inactive) 24:00

H10 Start of night time reduction on

Monday 00:00...24:00

(24:00 = inactive) 24:00

H11 End of night time reduction on

Tuesday 00:00...24:00

(24:00 = inactive) 24:00

H12 Start of night time reduction on

Tuesday 00:00...24:00

(24:00 = inactive) 24:00

Para-

meter Function Adjustment range Standard

setting Customer

setting

H13 End of night time reduction on

Wednesday 00:00...24:00

(24:00 = inactive) 24:00

H14 Start of night time reduction on

Wednesday 00:00...24:00

(24:00 = inactive) 24:00

H15 End of night time reduction on

Thursday 00:00...24:00

(24:00 = inactive) 24:00

H16 Start of night time reduction on

Thursday 00:00...24:00

(24:00 = inactive) 24:00

H17 End of night time reduction on

Friday 00:00...24:00

(24:00 = inactive) 24:00

H18 Start of night time reduction on

Friday 00:00...24:00

(24:00 = inactive) 24:00

H19 End of night time reduction on

Saturday 00:00...24:00

(24:00 = inactive) 24:00

H20 Start of night time reduction on

Saturday 00:00...24:00

(24:00 = inactive) 24:00

H00: actual weekday

If night time reduction is used the clock has to be set right to prevent malfunctions.

H01 ... H05: Defrost time

At the respective defrost times the clock triggers off a defrost start. At the same time the interval

defined with d0 is started.

If the parameter is set to “24:00” the defrost will not be carried out.

Note: If the defrost times of the real time clock are used the defrost interval (parameter “d0”)

should be set to “0”.

H6: Night time reduction

H07...H20: Start and end times of night time reduction

The night time reduction is activated by the clock according to the start and end times set with

parameters H7 … H20. During the reduction the parameter S1’ is effective for the control. S1’ is

the sum of S1 (daytime setpoint) and H6 (reduction value), i.e. S1’ = S1 + H6. As the reduction

value can take negative or positive values both a reduction and an increase are possible.

For each day a start and end time can be set. These times are processed in chronological order.

In general the switch off of the night time reduction takes place first (early in the morning, e.g.

H6=”05:00”) and afterwards the switch on (in the evening, e.g. H7=”20:00”). To achieve a

calculated increase these times can be inverted: the reduction is activated in the morning

(H7=”05:00”) and deactivated in the evening (H6=20:00).

If a continuous reduction is desired for a certain day (e.g. Sunday) the corresponding parameters

(e.g. H7, H8) can be set to “24:00” and therefore are disregarded.

The programming is analogue to a mechanic timer switch, where a marker for switch-on and one

for switch-off times can be set daily

Third control level (all parameters):

Setting of control parameters

Access to the third control level is granted when selecting parameter PA on the second control

level. Parameter PA is to be set at '-19'. Then the key UP and DOWN have to be simultaneously

pressed for approx. 4 seconds which will give access to the third control level, beginning with

parameter P0. With the keys UP and DOWN you can scroll the list in both directions. Pressing the

SET key will give you the value of the respective parameter. By pressing the UP or DOWN key at

the same time the value can be adjusted.

Return to the initial position takes place automatically, if no key is pressed for 60 seconds.

Parameters for controller specifications

Para-

meter Function Adjustment range Standard

setting Customer

setting

P0 Indication of cold room

temperature (sensor F1) N/A N/A

P1 Calibration sensor F1,

actual value correction -9.9...9,9 K 0.0 K

P2 Indication of evaporator

temperature (sensor F2) N/A N/A

P3 Calibration sensor F2,

actual value correction -9.9...9.9 K 0.0 K

P4 Sensor type F1 1: KTY

2: PT1000

3: NTC

P5 Sensor type F2 0: inactive

1: KTY

2: PT1000

3: NTC

P6 Display mode cold room

temperature 0: with decimals

1: without decimals 0

P7 Temperature scale 0: Fahrenheit (50Hz)

1: Celsius (50Hz)

2: Fahrenheit (60Hz)

3: Celsius (60Hz)

Parameters for the cooling controller

Para-

meter Function Adjustment range Standard

setting Customer

setting

r0 Hysteresis for the

compressor contact 0.1...15 K

2 K

r1 Setpoint limitation

(minimum) -99...r2°C

-50°C

r2 Setpoint limitation

(maximum) r1...+99°C

50°C

Parameters for the protection of the compressor

Para-

meter Function Adjustment range Standard

setting Customer

setting

c0 Start protection of the

compressor after "cooling on" 0...15 min.

0 min.

c1 Start protection after

compressor start 0...15 min. 5 min.

c2 Start protection after

compressor stop 0...15 min. 3 min.

c3 Function in the case of error of

sensor F1 0: compressor off

1: compressor on

2: compressor according c5

c4 Switching delay compressor

relay 0: no delay

1: 3 sec. delay 0

c5 Time for “compressor on” at

sensor error 1 ... 99 min. 15 min.

Parameters for defrosting

Para-

meter Function Adjustment range Standard

setting Customer

setting

d0 Defrosting interval 0...99 Std.

0 = inactive 8

d1 Defrosting mode 0: electrical

1: with hot gas 0

d2 Defrosting temperature -55...+99°C 10°C

d3 Defrosting time limit 1...99 min. 30 min.

d4 Function after "cooling on" 0: immediate cooling, no defrost

1: first defrosting, then cooling 0

d5 Defrost delay after

“cooling on” 0...30 min. 0 min.

d6 Indication of the cold room

temperature during

defrosting

0: actual temperature

1: temperature determined just

before the start of defrosting

d7 Drainage time 0...15 min

0: no drainage 2 min.

d8 Alarm suppression time

after defrosting 0...15 h

1 h

d9 Execution of defrost

demand 0: dependent execution

1: immediate execution

2: temperature decrease before

defrosting

db Time base defrost cycle 0: standard time basis

1: reduced time basis 0

dC Temperature decrease

before defrosting -20...0 K

dF Time limitation for

temperature decrease 0...999 Min

dH Waiting after defrost 0: not activated

1: activated 0

dU Manual defrosting 0: no defrost

1: manual start 0

Parameters for alarm- and error conditions

Para-

meter Function Adjustment range Standard

setting Customer

setting

A0 Hysteresis for alarm contact 1...15 K

2 K

A1 Minimum limit value -55...0 K

0= inactive -10 K

A2 Maximum limit value 0...+99 K

0= inactive 10 K

A3 Alarm suppression time after

“cooling on” 0...15 Std. 2 h

A4 Effect of external alarm input N/A

A5 Alarm suppression time after

temperature alarm 0...60 min. 10 min.

A6 Alarm limits 0: relative to the setpoint

1: absolute 0

A7 Alarm suppression time after

night time reduction 0...60 min. 10 min.

Parameters for the ventilator

Para-

meter Function Adjustment range Standard

setting Customer

setting

F0 Ventilator control 0: dependent on temperature

1: continuous on 0

F1 Ventilator setpoint -99...+99°C -1°C

F2 Switching hysteresis

ventilator 2...15 K 2 K

F3 Behaviour at compressor

stop 0: ventilator independent of

compressor

1: ventilator off together with

compressor

F4 Behaviour at defrosting 0: ventilator independent of

defrosting

1: ventilator off together with

defrosting

2: ventilator on together with

defrosting

F5 Ventilator delay time after

defrosting 0...15 min.

2 min.

F6 Ventilator control 0: absolute control

1: dynamic control 0

F7 Ventilator revolution number

at normal cooling operation 0...100%

100%

F8 Ventilator revolution number

during night time reduction 0...100%

100%

F9 Ventilator revolution number

at defrosting 0...100%

100%

Parameters for the configuration of the inputs and outputs

Para-

meter Function Adjustment range Standard

setting Customer

setting

b0 Function of input E1 0: no function

1: start defrosting 0

b1 Switch mode of input E1 0: normally-open contact

1: normally-closed contact 0

b2 Function of input E2 0: no function

1: start defrosting 0

b3 Switch mode of input E2 0: normally-open contact

1: normally-closed contact 0

b4 Lock keys during “cooling off” 0...31 (explanation see

table below) 0

U1 Function output K1

0: compressor

1: defrosting

2: light

3: blue key

4: red key

5: alarm

6: ventilator

7: current input

8: current input (+cooling on

+ defrosting off)

U2 Function output K2 0...8 (see U1) 1

U3 Function output K3 0...8 (see U1) 2

U4 Function output K4 0...8 (see U1) 3

U5 Function output K5 0...8 (see U1) 4

U6 Function output K6 0...8 (see U1) 5

YA Activation 0: not active

1: 0..20mA

2: 4..20mA

Y0 Indication of actual value N/A N/A

Y1 Setpoint Y6...Y7 0

Y2 Heating/cooling 0: heating

1: cooling 0

Y3 Hysteresis 0,1...15K 1

Y4 Indication value 0/4mA -99...999,0 0

Y5 Indication value 20mA -99...999,0 100

Y6 Lower setpoint limitation -99...999,0 0

Y7 Upper setpoint limitation -99...999,0 100

Parameters for serial interface

Para-

meter Function Adjustment range Standard

setting Customer

setting

L0 Individual address (Node) 1...126 1

L1 Individual address (Subnet) 1...255 1

L2 Number of slaves 0...63 0

L9 Log on mode to LON net 0...255

Bit 0: data logger

Bit 1: plug and play

Lr Reset parameters 0: no reset

1: reset parameters, including Lr 0

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