Movincool CMW30 - Evaporator Fan Motor Operation; Internal Drain Pump Operation

Operation Section
45
7.8 Evaporator Fan Motor Operation
• The evaporator fan motor is controlled by signals from the WMC or MWT.
(1) When the WMC is connected
• ON/OFF control and fan speed are determined by the WMC settings.
Fan motor settings
- AUTO: The fan motor turns ON when the compressor is ON, and OFF when the compressor
is OFF.
- RUN: The fan motor continuously operates, regardless of whether the compressor is ON or
OFF.
Fan speed settings
- HI: Fan speed = 935 rpm
- LO: Fan speed = 750 rpm
(2) When the MWT is connected
• ON/OFF control and fan speed are determined by the MWT settings.
7.9 Internal Drain Pump Operation
• The internal drain pump evacuates evaporator
condensation accumulated in the drain pan.
This pump turns on only when the compressor
is turned on.
• After the compressor turns OFF, the internal
drain pump continues to operate for 2.5
minutes before it turns OFF.
Terminal No. Function Relay Contactor
G Fan HI OFF OFF ON ON
G1 Fan LO OFF ON OFF ON
Evaporator fan motor speed OFF HI: 935 rpm LO: 750 rpm
I000523