CM907-TRV CHRONOTHERM
EN0H 8555 UK07 R0 09/06 5
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
0
1
Time / Temperature are
as programmed
To restore the factory
profile set to 1
1
Automatic
Summer/Winter
Time Chqnge
3:tC 1 Automatic
Summer/Winter Time
Change Enabled
0 Automatic
Summer/Winter Time
Change Disabled
1
Backlight Display 5:bL 1 Backlight Display
Enabled
0 Backlight Display
Disabled
1
Upper
Temperature Limit
6:uL 35 35°C Upper Temp.
Limit
21 to 34 21°C to 34°C
adjustment in 1°C steps
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
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
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 when
one of the parameter
values are changed
0
1
Settings are as modified
above
To restore the factory
profile set to 1
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
2
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
2
Electric Heat
3:Eh 0 Applications < 3A 1 Applications 3 - 5A 2
Heat / Cool
Change
4:HC 0 Disabled 1 Enabled 2
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