CM907-TRV CHRONOTHERM
 
 
  
EN0H 8555 UK07 R0 09/06 6
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