DENSO
DENSO SALES CALIFORNIA, INC.
3900 Via Oro Avenue, Long Beach, CA 90810
BULLETIN NO: MB06-0001
MODEL: CM12
DATE: 08-14-06
PAGES: 1 of 3
MOVINCOOL SERVICE INFORMATION
TITLE: CM12 Thermostat Compatibility and Installation
UNIT AFFECTED: CM12
CONDITION: Unit is not compatible with 24V AC thermostat
CORRECTION: Use only thermostat that is compatible with Millivolt- System
Note: Do not connect thermostat to AC power source.
Preparation for Thermostat Connection
1. Use with a single stage wall thermostat (Millivolt-System).
2. Set the wall thermostat to cooling system mode, since most wall thermostats
are designed for both heating and cooling.
3. Prepare the wire harness for connection from the unit to the thermostat.
The recommended wire size is: 16-26 AWG.
Wire type: Thermostat cable/ solid wire.
4. Identify the thermostat connectors labeled G, G1, Y, and RC.
G (Fan on/off), G1 (Fan speed HI/LO), Y (cooling on/off), and RC
(Cooling Transfer-Common).
Wall Thermostat Connector
Name
CM12 WIRES
Function
Label Name
Color
RC
RC
Brown
Common
Y
Y
Red
Cool On/Off
G
G
Orange
Fan On/Off
G1
G1
Yellow
Fan Hi/Low
5. Install the wall thermostat to the proper location inside the room where it can be conven-
iently accessed. Do not install the wall thermostat where unusual heating
condition may occur (i.e. hot stove, hot pipe, fireplace, direct sunlight, etc.)
6. Most thermostats provide these basic functions:
Fan Mode: On / Auto (Select the desire fan mode)
System: Cool / Heater (Select cool only)
If you have any questions concerning the above information, please call the Technical Support Hotline at (800) 264-9573
3900 Via Oro Avenue, Long Beach, CA 90810
DIAGRAM FOR THERMOSTAT CONNECTION
RC
Y
G
G1
Thermostat
CM12 Unit
Connect only if thermostat has Fan
Hi-Lo speed control
(Millivolt System)
Brown
Red Wire
Orange Wire
Yellow Wire
Remove factory-installed jumper
from thermostat if present
Please refer to Operation Manual for additional information
If you have any questions concerning the above information, please call the Technical Support Hotline at (800) 264-9573
3900 Via Oro Avenue, Long Beach, CA 90810
CM12 CAN BE USED WITH STANDARD MILLIVOLT THERMOSTATS
Compatibility of the Following Wall Thermostats is Confirmed:
HONEYWELL RTH 110B
HUNTER 40035A–350 (NO BATTERY REQUIRED)
RITEMAP MODEL 8029B
RITEMAP MODEL 8099
WHITE RODGERS 1F78-151
WHITE RODGERS 1F78-144
WHITE RODGERS 1F80-361
WHITE RODGERS 1F86-344
Others will be added as they appear.
If you have any questions concerning the above information, please call the Technical Support Hotline at (800) 264-9573
3900 Via Oro Avenue, Long Beach, CA 90810
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