Honeywell CM900 Installation Manual

Installer Parameters Table:
Parameter Parameter No. Factory Default Setting
Category 1 Parameters - Programmable Thermostat Settings
Display Description
AM-PM / 24hr Display 1:CL 12 12 hr – AM/PM clock display format
Reset Time/ Temp Program 2:rP 1 Time / Temperature profile set to factory
default.
Changes to 0 when one of the time/temp
profiles are changed.
Auto Summer/Winter Time 3:tC 1 Auto Summer/Winter Time Change
Change Enabled
LCD Backlighting 5:bL 1 Backlighting Enabled
Upper Temp Limit 6:uL 35 35°C Upper Temp. Limit
Lower Temp Limit 7:LL 5 5°C Lower Temp. Limit
Optimisation 8:OP 0 Optimisation Disabled
Telephone Override 9:tS 0 Telephone Override Disabled
Second Sensor 10:SS 0 Second Sensor Disabled
Temperature Offset 12:tO 0.0 No temperature offset
Proportional Band Width 13:Pb 1.5 Proportional band of 1.5 degree
Reset Parameters to Factory 19:FS 1 All settings at factory defaults
Defaults
Changes to 0 when one of the parameter
is changed
Category 2 Parameters - System Settings (press PROGRAM to access this category)
Display Description
Minimum boiler ON time 1:Ot 1 1 minute minimum ON time
Cycle Rate 2:Cr 6 6 cycles per hour (cph)
Electric Heat 3:EH 0 Resistive Loads <3 A
Heat/Cool Change 4:HC 0 Disabled
Pump Exercise 5:PE 0 Pump exercise disabled
Notes:
Remember to always press the green button to confirm that you want to store your new Installer Set-Up setting. To exit the Installer Mode move
the slider switch to the AUTO or MAN positions.
System Commissioning
To enter the diagnostic mode move the slider switch to the OFF position then press and hold the
settings mode. Next press and hold the and buttons together. The unit will hold the relay on for 5 minutes and the following information can
be viewed on the display by pressing the or buttons. : model ID, date code (WW/YY) and checksum.
42010942-003 R1
© 2005 Honeywell International Inc.
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"Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorised Representative Honeywell International Inc."
Optional Setting
Display Description
24 24 hr clock display format
0 Factory Time / Temperature profile has
been modified
To restore the factory profile set to 1
0 Auto Summer/Winter Time Change
Disabled
0 Backlighting Disabled
21 to 34 21°C to 34°C adjustment in 1°C steps
5 to 21 5°C to 21°C adjustment in 1°C steps
1 Optimisation Enabled
1 Telephone Override Enabled
1 or 2 Second Sensor Enabled:
1 = Outside Sensor
2 = Remote Room Sensor
-3 to +3 -3°C to +3°C adjustment in 0.1°C steps
1.6 to 3.0 1.6°C to 3.0°C adjustment in 0.1°C steps
0 Settings are as modified above
To restore the factory parameters set to 1
Display Description
2 to 5 Selection of 2, 3, 4 or 5 minutes minimum
ON time
3, 9 or 12 Selection of 3, 9 or 12 cph
1 Resistive loads 3 to 8 A
1 Enabled
1 Pump exercise enabled
button for 5 sec. The unit will enter the user
CM900 Installation Guide
Programmable Room Thermostat
The Honeywell CM900 (CM907 or CM901) is a modern programmable room
thermostat based on Honeywell's proven programming philosophy. To further
improve the ease of use, this product includes a very large LCD display with
backlighting and a Dynamic Text Display to assist customers during daily use.
Installing the Thermostat
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