Honeywell CM901 Instrucciones de instalación

EN0H 8555 UK07 R0 09/06

CM907- TRV

PROGRAMMABLE THERMOSTAT

PRODUCT SPECIFICATION SHEET

The CM907-TRV thermostat is designed to provide automatic

time and temperature control of heating or cooling systems in

villas and apartments. The CM907-TRV is especially useful to

control boilers in heating systems where an alternative

heating source is used on a temporary basis (see

FEATURES below).

It can be used as part of a system in conjunction with combi-

boilers, oil-burners and gas fired boilers, circulation pumps,

thermal actuators, zone valves and electric heat systems

(<8A).

The CM907-TRV is designed with the installer in mind and

includes a moulded back-plate with trunking guides and

wiring breakouts to make installation quick and easy.

The CM907-TRV extra large LCD display, dynamic text

display, button layout based on the same simple

programming philosophy used on our acclaimed CM60

products and the introduction of an ‘OK’ button, makes it

easier to install and more user friendly.

The unit is ideal for consumers who want reliable precise

temperature control from a modern looking, simple to

program and easy to use product

FEATURES

•Attractive, slim, ultra-modern styling makes it ideal for

location in any type of home.

•7-day heating program.

•A dynamic text display on the LCD that gives enhanced

feedback to the user / installer.

•Up to 6 daily independent time and temperature level

changes let you set 6 time and temperatures pairs to suit

your lifestyle.

•LCD Backlighting to illuminate the display for easier viewing

in low light conditions.

•Temporary programmed temperature override to override

the programmed temperature till the next switch point.

•The TRV mode allows using the fireplace in the living room

without compromising comfort in the rest of the house.

When TRV mode is active the boiler is kept constantly on

whilst Thermostatic Radiator Values control temperature in

the house. The TRV mode can either be pre-programmed or

switched manually.

•TRV button allows activation or cancellation of the TRV

mode manually whenever this type of control is required.

•Party feature that temporarily maintains a selectable

constant temperature for 1-23 hours, then returns to normal

operation.

•Holiday button that provides energy savings by reducing

to a constant temperature from 1 to 99 days when people are

on holiday, returning to normal operation (AUTO or

MANUAL) on the day of their return.

•Room Temperature Enquiry.

•EEPROM memory holds the user program indefinitely.

•OFF position has an integral frost protection setting at

minimum 5°C (installer adjustable) so that pipes in the

house will never freeze in winter.

•24...230V 8A resistive, 3A inductive SPDT relay provides

compatibility with most domestic central heating systems

reducing the need to stock many different models. indicator.

•Minimum battery life of 2 years with low battery warning

indicator.

•Built-in default heating program.

•Automatic Summer / Winter time change adjusts the time

automatically to daylight saving time.

•Telephone interface can be fitted to allow remote switching

between program modes and a fixed set-point.

•Surface or wall-box mounting options with trunking guides

and wiring breakouts to simplify installation.

•No installer links or special installer switches on the back of

the unit mean no adjustment is required for combi-boilers

and most domestic central heating systems.

•User Set-Up Mode allows extra functions to be set at the

discretion of the user:

•AM-PM or 24hr time display.

•Resetting the heating profile to factory default.

•Enable / disable of Auto Summer / Winter time change.

•Languages selection of the user interface.

•Installer Set-Up Mode allows extra functions to be set at the

discretion of the installer to match the consumers

applications and needs:

•Optimisation.

•Pump Exercise.

•Upper / Lower Set point Limit Adjust.

•Temperature offset.

•Minimum ON time.

•Cycle rate.

•Heat / Cool operation.

•Proportional Band Width.

•Diagnostic Mode to assist in faultfinding.

CM907-TRV CHRONOTHERM

2 EN0H 8555 UK07 R0 09/06

SPECIFICATIONS

CONTROLS/DISPLAY LAYOUT

Batteries :2 x 1.5 V IEC LR6 (AA) Alkaline cells

Battery life :Minimum 2 years

Battery

replacement

:Program retained in EEPROM

Switch type :SPDT (potential free)

Electrical rating :230 V~, 50...60 Hz, 0.5 A to 8 A resistive

0.5 A to 3 A inductive (0.6 pf)

24 V~, 50...60 Hz, 0.5 A to 8 A resistive

0.5 A to 3 A inductive (0.6 pf)

Time display :24 hour or 12 hour AM/PM format

Time keeping

accuracy

:Typically better than 10 minutes per year

Program :7-day with 6 daily time and temperature

level changes

Time setting

resolution

:Time of day - 1 minute

Program - 10 minute steps

Sensing element :100K (@ 25 oC ) NTC thermistor

Temperature

setting range

:Program : 5 to 35oC in 0.5 oC steps

Frost : 5 oC or equal to lower limit

(5 oC to 21 oC). Frost protection does not

work in cooling mode.

Temperature

control accuracy

:±0.5 K (nominal) @ 20oC, 50% load

3 K Δ/hour

Room

Temperature

display range

:From 0 oC to 50 oC

Control form :P + I (Proportional + Integral)

Minimum ON

time

:10% of cycle time (min one minute),

adjustable to 2 to 5 min (see installer set

up)

Cycle rate :Selectable by application (see installer

set up)

Wiring :Terminal block capable of accepting

wires up to 2.5 mm2

Wire access :Mains wiring – rear right.

Low voltage wiring – rear right.

Dimensions :133 x 89 x 26 mm (w x h x d)

133 x 175 x 26 mm (w x h x d)

(flap open)

Environmental :Operating temperature range 0 to 40oC

Shipping and storage temperature range

-20 to 55oC

Humidity range 10 to 90% rh, non-

condensing

Approvals :Designed to meet European EN

approvals EN60730-1(Nov 2000),

EN55014-1 (1997), EN55014-2 (2000)

PRODUCT LAYOUT:

1. Day & Date Display

2. Time Display

3. Dynamic Text Display (DTD)

4. Burner On Indicator

5. Battery Low Indicator

6. Temperature Display

7. Temperature Change Buttons

8. Information Enquiry Button

9. Slider Switch

10. Green OK Button

11. Program Buttons

12. Battery Cover

13. Battery Compartment

14. Holiday Button

15. Party Button

16. TRV Button

17. Copy Day Button

18. Day Select Button

19. Time Change Buttons

CM907-TRV CHRONOTHERM

3 EN0H 8555 UK07 R0 09/06

INSTALLER SET-UP

Specific Applications Setting What do you need to change?

Cycle/

Hour

Minimum

ON time

(in minutes)

Note :

a. To change Cycle/Hour, please go to parameter n. 2, category 2

in the installer set-up mode.

b. To change Minimum ON Time, please go to parameter n. 1,

category 2 in the installer set-up mode.

Heating Gas Boilers

(<30KW)

6 1 No action required

Oil Boiler 3 4 1. Set Minimum ON Time to 4 minutes.

2. Set Cycle/Hour to 3.

Thermal Actuator 12 1 Set Cycle/Hour to 12.

Zone valve 6 1 No action required.

Electric heating

(for applications

<8A)

12 1 1. Configure the thermostat for electric heating (set parameter n.3,

category 2 in the installer set up mode to 1).

2. Set Cycle/Hour to 12.

Air

conditioning

1. Configure the thermostat to allow switching between heating

and cooling modes (set parameter n.4, category 2 in the

installer set-up mode to 1)

2. Set the thermostat accordingly to the required mode of

operation (heating or cooling) by pressing the TEMP or

buttons together for 5 seconds. Modify the cooling program

as required.

Heat Pump/

Air conditioner

3 4 1. Set Minimum ON Time to 4 minutes.

2. Set Cycle/Hour to 3.

2 Fan coil 6 1 No action required.

In Installer set-up we can:

❑Set-up specific applications

❑Enable special features

❑Establish support for optional accessories

To enter the installer set-up mode:

a) Move the slider switch to the OFF position.

b) Press and hold the INFO ibutton and the two program

buttons ‘< >’ together.

c) The unit will display the first parameter of installer

parameter group category 1 (from n.1 to n.19).

d) Press the TEMP or buttons to change the factory

setting. The display will flash indicating that a change has

been made.

e) Press the green OK button to confirm this change and the

display will stop flashing.

f) Press the +button to go to the next parameter.

g) Press the program button >to go to category 2 in the

Installer mode (from n.1 to n.5).

h) To exit the installer mode, move the slider switch to the

AUTO or MAN positions.

Abbreviated Set-Up Description

e.g. Cl = Clock Format

Factory Setting or New Choice

Press TEMP or to change

e.g. 12 = AM/PM Format

24 = 24hr Format

Installer Set-up Number

(Press + or - to change)

e.g. 1= Clock Format

Brief Description of the

Parameter Function.

CM907-TRV CHRONOTHERM

EN0H 8555 UK07 R0 09/064

Special Features Description What to do if we wish this

feature

Optimisation (Variable

Start Time)

Adaptive Intelligence

recovery TM

The thermostat will adjust the start time in the

morning/afternoon so the desired temperature is

reached by the start of the program period e.g. Time

7:00, Temp 21 oC. The thermostat will monitor the

accuracy of the start up and use this information to

modify the calculation for the following day by changing

the ramp rate (initial 3 K/hr) .The system will restrict the

start time to a max of 2 hours.

Note: Optimisation will not work in cooling mode.

Set parameter n.8, category 1 in the

installer set-up mode to 1.

AM-PM/ 24hr Display Change display format (default 24hr). Set parameter n.1, category 1 in the

installer set -up mode to 12.

Pump exercise When enabled the Pump Exercise will switch the relay

on for 1 minute at 12:00 if the relay has not been

switched on since 12:00 the previous day.

While in Holiday mode the Pump Exercise feature, if

enabled, will operate.

Set parameter n.5, category 2 in the

installer set -up mode to 1.

Upper Temperature Limit The normal upper temperature limit of 35oC can be

reduced down to 21 oC to save the homeowner energy.

Useful if the homeowner rents to tenants.

Set parameter n.6, category 1 in the

installer set -up mode to the desired

limit.

Lower Temperature Limit The normal lower temperature limit of 5 oC can be

increased up to 21 oC to protect the inhabitants from

cold. Useful if the inhabitants include the elderly,

children or disabled.

Set parameter n.7, category 1 in the

installer set -up mode to the desired

limit.

Temperature Offset If the thermostat is located in a hot/cold location and

cannot be moved because of wiring then the measured/

displayed temperature can be adjusted by +/- 3 oC.

Useful if the homeowner wants the reading to match

another appliance temperature display.

Set parameter n.12, category 1 in the

installer set -up mode to the desired

offset value.

Proportional Band Width Can be adjusted up to 3 oC (default is 1.5 oC) to provide

better temperature control (less overshoot).

Useful for:

a. Well insulated homes with over-sized heating

systems.

b. Air systems with fast response.

Set parameter n.13, category 1 in the

installer set -up mode to the desired

value.

Optional

Accessories

Description What to do if we wish this

feature

Outside Temperature

Sensor (F42010971 001)

An Outside Temperature Sensor can be fitted, allowing

the homeowner to display the outside temperate on the

thermostat display by pressing the INFO ibutton. The

thermostat will read the outside temperature every 10

minutes. Outside temperature display range is from -30

oC to +45 oC. The sensor can be connected up to 50

meters from the unit.

1. Fit the sensor (instructions

included in the sensor package).

2. Set parameter n. 10, category 1 in

the installer set-up mode to 1.

Remote Temperature

Sensor (F42010972 001)

A Remote Temperature Sensor can be fitted, allowing

the thermostat to control the temperature from another

room or space, where it is inconvenient to locate the

thermostat. It will read the remote sensor every 1

minute. The sensor can be connected up to 50 meters

from the unit. Useful for commercial premises where the

public may tamper with the product.

1. Fit the sensor (instructions

included in the sensor package).

2. Set parameter n. 10, category 1 in

the installer set-up mode to 2.

CM907-TRV CHRONOTHERM

EN0H 8555 UK07 R0 09/065

Parameter Installer Set-

Up Number /

Abbreviation

(Press + or -

keys to select)

Factory Setting

Optional Setting

Installer Set-

Up Category

(Press

PROG keys

‘< or >’ to

select)

Display Description Display/Setting Description

Category 1: Thermostat Parameters

AM-PM / 24hr

Display

1:Cl 24 24 hr clock display 12 12 hr AM / PM clock display 1

RESET Time /

Temperature

Program

2:rP 1 Time / Temperature

profile set to factory

default

Changes to 0 when

one of the time/temp

profiles are changed

Time / Temperature are

as programmed

To restore the factory

profile set to 1

Automatic

Summer/Winter

Time Chqnge

3:tC 1 Automatic

Summer/Winter Time

Change Enabled

0 Automatic

Summer/Winter Time

Change Disabled

Backlight Display 5:bL 1 Backlight Display

Enabled

0 Backlight Display

Disabled

Upper

Temperature Limit

6:uL 35 35°C Upper Temp.

Limit

21 to 34 21°C to 34°C

adjustment in 1°C steps

Lower

Temperature Limit

7:LL 5 5°C Lower Temp.

Limit

6 to 21 6°C to 21°C adjustment

in 1°C steps

Optimisation 8:0P 0 Optimisation disabled 1 Optimisation enabled 1

Remote Control

Setpoint (e.g. via

telephone module)

9:tS 0 Disabled 1 Enabled 1

Second

Temperature

Sensor

10:SS 0 No sensor fitted 1, 2 1 - Outside Temperature

Sensor fitted

2 - Remote Temp.

Sensor fitted

Temperature

Offset

12:tO 0 No offset -3 to +3 -3°C to +3°C adjustment

in 0.1°C steps

Proportional Band

Width

13:Pb 1.5 1.5°C Proportional

Band

1.6 to 3.0 1.6°C to 3.0°C

adjustment in 0.1°C

steps

Reset Parameters

to Factory

Defaults

19:FS 1 All settings held are

the factory defaults.

Changes to 0 when

one of the parameter

values are changed

Settings are as modified

above

To restore the factory

profile set to 1

‘Category 2: System Parameters (You must press the ‘>’ program key to enter this section)

Minimum boiler

ON Time

1:Ot 1 1 minute minimum ON

time

2 to 5 2 - 2 minutes

3 - 3 minutes

4 - 4 minutes

5 - 5 minutes

Cycle Rate 2:Cr 6 6 cycles per hour

(cph) for gas boilers,

zone valves and fan-

coil

3, 9, 12 3 - 3 cph

9 - 9cph

12 - 12 cph

Electric Heat

3:Eh 0 Applications < 3A 1 Applications 3 - 5A 2

Heat / Cool

Change

4:HC 0 Disabled 1 Enabled 2

CM907-TRV CHRONOTHERM

EN0H 8555 UK07 R0 09/066

DIMENSIONS

LOCATION

The CM907-TRV thermostat is the control element of the

heating / cooling system and, therefore, MUST be located in

a position with good air circulation, at average room

temperature and on an inside wall 1.5 metres, above the floor

level. Do not position the CM907-TRV thermostat near

sources of heat (radiators, hot air vents, TV or lights), near

doors or windows, or in direct sunlight.

MOUNTING

The CM907-TRV thermostat can be mounted directly on the

wall surface or on an electrical wallbox.

WIRING

The CM907-TRV thermostat is designed for fixed wiring only

and must be installed in accordance with the latest l.E.E.

regulations. Ensure the wiring connection to the supply is via

a fuse rated at no more than 8 amps and a Class "A" switch

(having contact separation of at least 3 mm in all poles).

IMPORTANT

1. The installer must be a trained service engineer

2. Disconnect the power supply before beginning

installation

INSTALLATION

CM907-TRV CHRONOTHERM

Honeywell Control Systems Limited http://europe.hbc.honeywell.com

Newhouse Industrial Estate

Motherwell ML1 5SB

United Kingdom

EN0H 8555 UK07 R0 09/06

WIRING

Description Model Logo Literature Availability Spec Sheet

7-day programmable thermostat

Remote Temperature Sensor

Outdoor Temperature Sensor

CMT907A1082

F42010972 001

F42010971 001

Honeywell

French & Dutch.

Multi-lingual

Aug 06

Sep 06

ENOH8555

ENOH8554

ENOH8553

ORDERING SPECIFICATION

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