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YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
33
Start-up
Test Operation
After completing the gas leaks and electrical safety check, you can perform the operation test.
1. Turn on the electrical disconnect to the outdoor unit.
2.
Push the “ON/OFF” button on the Remote Control to start the system and begin testing.
3. Push the MODE button. Select COOLING, HEATING, and FAN mode to confirm all functions are working.
System Checks
1. Conceal refrigerant pipes where possible.
2. Make sure that all drain hoses slope downwards along their entire length.
3. Ensure all refrigerant pipes and connections are properly insulated.
4. Fasten any exposed piping to outside walls where ever possible.
5. Seal and weatherproof the hole in the wall where the interconnecting wires and refrigerant pipes pass through.
Indoor Unit
1. Do all Remote controller buttons work properly?
2. Does the display panel lights work properly?
3. Does the louver swing function work properly?
4. Does the drain work?
Outdoor Unit
1. Push the MODE button until COOL is selected, and adjust the room temperature setting to 61
°
F (16
°
C) and wait for
the compressor to turn on. It may take up to 3 minutes for the unit to start.
Does the compressor and outdoor fan turn on in COOL mode?
2. Push the MODE button until HEAT is selected, and adjust the room temperature setting to 85
°
F (30
°
C) and wait for
the unit to turn on. It may take up to 3 minutes for the unit to start.
Does the compressor and outdoor fan turn on in HEAT mode?