Category 2 - System Settings - Honeywell CM900 Installation Manual

4.5.2 Category 2 - System Settings

Parameter Parameter
No.
Category 2 Parameters – System Settings (press the
Minimum boiler 1:Ot
ON time
Cycle Rate 2:Cr
Heat/Cool Change 4:HC
Pump Exercise 5:PE
System 6:Sn
Synchronisation
Loss of 7:LC
Communications
Instruction
The following Parameters are for the control of other Honeywell Wireless products such as Wireless Underfloor Heating
controls and Wireless Radiator controls. For more information please contact Honeywell sales.
Room Temperature 8:Su
Sensor Use
HR80 Window- 9:HO
Open Function
HR80 Local 10:HL
Override
Maximum Flow 11:uF
Setpoint
Minimum Flow 12:LF
Setpoint
Mixing Value Run 13:Ar
Time
Pump Overrun Run 14:Pr
Time
Notes
1) Remember to always press the green
Up setting. To exit the Installer Mode move the slider switch to the AUTO or MAN position.
2) These parameters are set centrally for the zoning system at the room thermostat configured as the
system synchroniser.
3) Minimum on-time setting applies only to the boiler controller. All Relay Box zone controllers will work
with the minimum on-time of 30 seconds.
10
Factory Default Setting
button to access this category)
Display Description
1 1 minute minimum
ON time
6 6 cycles per hour
(cph)
0 Disabled
0 Pump exercise
disabled
0 Standard operation of
the Room Unit
0 Relay Off
0 BDR91 control
0 Disabled
1 Enabled
55 55°C Maximum Flow
Temp.
15 15°C Minimum Flow
Temp.
150 150 seconds
15 15 minutes
button to confirm that you want to store your new Installer Set-
CM900 Wireless - Programmable Room Thermostat
Optional Setting
Display Description
2 to 5 Selection of 2, 3, 4 or 5 minutes
minimum ON time
3,9 or Selection of 3, 9 or 12 cph
12
1 Enabled
1 Pump exercise enabled
1 Room unit configured as Synchroniser
1 Relay 20% on / 80% off
1,2,3 1 - HR80/HM80 control with own/remote
or 4 sensor (no temperature displayed)
2 - HR80/HM80/HCE80 control with CM
sensor
3 - BDR91 control and HR80/HM80/
HCE80 control with own/remote sensor
4 – Hr80/HM80/HCE80 control with own/
remote sensor (temperature displayed)
1 Enabled
0 Disabled
0 to 99 0°C to 99°C adjustment in 1°C steps
0 to 50 0°C to 50°C adjustment in 1°C steps
0 to 0 to 240 sec. adjustment in 1sec steps
240
0 to 99 0 to 99 mins adjustment in 1min steps