MovinCool Classic 10 Service Manual - Manual (Page 26)

Operation Section 26
(6) Temperature control
• During cool mode, temperature control changes the 52CM (compressor on/off) relay status
according to RTS temperature in the available range (-4 °F to 140 °F (-20 °C to 60 °C)).
(7) Fire alarm signal control
• When receiving the signal from the fire alarm control panel, the buzzer sounds, and the 52CT
(signal output) relay on the relay board turns on.
I002624
ON
OFF
52CM
(Compressor Relay)
(Set Temp. -3 °F)
(Set Temp. -1.7 °C) Set Temp
Inlet Air Temperature
When compressor operation continues within this range for more
than 5 minutes, the 52CM relay stops.