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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