Honeywell CM702 Product Specification Sheet Download Page 6

CM702

 CHRONOTHERM

 

 

 

  

EN0H 8545 UK07 R1 09/06 

6

DIMENSIONS 

LOCATION 

The 

CM702

 thermostat is the control element of the heating 

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 

CM702

 

thermostat near sources of heat (radiators, hot air 

vents, TV or lights), near doors or windows, or in direct 
sunlight. 

MOUNTING 

The 

CM702

 

thermostat can be mounted directly on the wall 

surface or on to an electrical wall box. 

WIRING 

The 

CM702

 

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 

5 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 

Summary of Contents for CM702

Page 1: ...perature override to temporarily override the programmed temperature till the next switch point 1 2 Program button allows switching to an alternative heating program whenever it s required with just one button press This alternative program can be adjusted in exactly the same way as the normal heating program Room Temperature Enquiry EEPROM memory holds the user program indefinitely OFF mode has a...

Page 2: ...accuracy 0 5 K nominal 20 o C 50 load 3 K Δ hour Room Temperature display range From 0 o C to 50 o C 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 mm 2 Wire access Mains wiring rear right Low volt...

Page 3: ...ons Enable special features To enter the installer set up mode a Press the OFF button b Press and hold the INFO i button 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 ...

Page 4: ...the desired limit Lower Temperature Limit The normal lower temperature limit of 5 o C can be increased up to 21 o C 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...

Page 5: ...teps 1 Lower Temperature Limit 7 LL 5 5 C Lower Temp Limit 6 to 21 6 C to 21 C adjustment in 1 C steps 1 Temperature Offset 12 tO 0 No offset 3 to 3 3 C to 3 C adjustment in 0 1 C steps 1 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 1 Reset Parameters to Factory Defaults 19 FS 1 All settings held are the factory defaults Changes to 0...

Page 6: ... near doors or windows or in direct sunlight MOUNTING The CM702 thermostat can be mounted directly on the wall surface or on to an electrical wall box WIRING The CM702 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 5 amps and a Class A switch having con...

Page 7: ... 09 06 WIRING Description Model Logo Literature Availability Spec Sheet 1 1 day programmable thermostat 1 1 day programmable thermostat with 6 switch points instead of 4 CMT702A1004 CMT702A1012 Honeywell Honeywell French Dutch Italian Spanish German Portuguese French Dutch Italian Spanish German Portuguese Sep 05 Oct 06 ENOH8545 ENOH8545 ORDERING SPECIFICATION ...

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