MovinCool Classic 10 Service Manual - Manual (Page 24)

Operation Section 24
5.3 Control Specifications
(1) Fan control
• When the FAN button is pressed, the 52ID (fan motor on/off) relay on the relay board turns on,
operating the fan.
Specifications:
- 52ID (Fan motor On-Off) relay contact rating: 5 A at 250 VAC
(2) Compressor start control
• When the ON/OFF button is pressed, the 52CM relay on the relay board turns on, operating the
compressor.
Specifications:
- 52CM (Compressor On-Off) relay contact rating: 20 A at 250 VAC
(3) Anti-freeze control
• Anti-freeze controls turns the compressor on and off by turning the 52CM relay on in accordance
with the freeze protection thermistor (CTS) temperature. As a result, decreases in cooling
performance due to frost buildup on the evaporator are prevented.
• Compressor off conditions: Freeze protection thermistor (CTS) temperature
 29 °F (-1.5 °C)
• Compressor on (recovery) conditions: CTS temperature
 59 °F (15 °C)
I001687
ON
OFF
52CM
29 °F
(-1.5 °C)
59 °F
(15 °C)
CTS temperature
(Evaporator out temperature)