MovinCool CM12 Service Manual - Manual (Page 34)

Operation Section
34
5) Install the wall thermostat to the proper location inside the room where it can be conveniently
accessed. Do not install the wall thermostat where unusual heating condition may occur (i.e. hot
stove, hot pipe, fireplace, direct sunlight, and etc.)
• Most thermostats provide these basic functions:
Fan Mode: On / Auto (Selects the desired fan mode.)
System: Cool / Heater (Selects Cool only.)
6.3 Warning Signal Connection
• The CM 12's controller is equipped with a warning signal output relay type (Form-C, normally
open dry contact), which can be used to monitor the failure condition.
Relay contactor is closed if the following condition has occurred:
- Condensation Overflow
- Temperature Sensor fails
- Cooling Function fails
• The relay output contactor is rated 5 A at 30 VDC or 5 A at 250 VAC (resistive load), and it is
compatable with various warning devices such as alarm speakers, light indicators, and etc.
1) Connect the warning device to CM 12 signal wires label L+ and L-.
2) Use recommended warning signal wire size from 16 AWG to 26 AWG for a solid wire, or 16 AWG
to 22 AWG for a stranded wire.
ILL00616-00
Unit Terminal
Warning Device
Signal
Relay Output Contactor
L– L+ E– E+ RC Y G G1