4 basic inspection, Basic inspection – MovinCool CM12 Service Manual User Manual
Page 42

Repair Section
42
7.4 Basic Inspection
• Perform the following inspections before disassembly.
(1) Power supply voltage inspection
• Check the power supply voltage.
- Single phase 115 V (60 Hz)
• Check the operation and condition of the fuse or circuit breaker for the power source.
(2) Inspection of plate fins
• Inspect the plate fins for any dirt, dust, lint, or
debris that may have caused insufficient
cooling performance of the unit. If cleaning of
the fins is necessary, it is recommended that
this service be performed by a qualified service
technician.
(3) Operating environment inspection
• Operating environments can vary depending on location, climate and surrounding conditions.
Installation location also can cause operational problems. Consult your reseller concerning
operational environment requirements.
(4) Operating environment examination
• Measure the temperature difference between
the evaporator inlet and the cooling air duct
outlet. If the difference is out of the range
shown in the graphs on page 14, proceed with
the remedy suggested in the troubleshooting
chart on page 39.
I001780
I002841
Condenser
Intake
Room
Air Intake
Cool Air
Supply
(Evaporator)
Condenser
Exhaust