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.
