38 PB
INSTALLATION
Checklist and Operation Test
Check Unit following Installation
Test Operation
System Checks
1. Conceal refrigerant pipes where possible.
2. Make sure drain hose slopes downward along entire length at a slope of 1/4”(inch) per ‘(foot).
3. Ensure all refrigerant pipes and connections are properly insulated.
4. Fasten pipes to outside wall, when possible.
5. Seal and weatherproof wall hole which the interconnecting wires and refrigerant pipes pass through.
Perform test operation after completing gas leak and electrical safety check.
1. Turn on electrical disconnect to outdoor unit.
2. Push the “ON/OFF” button on Remote Controller to begin testing or press and hold Emergency ON/OFF button for
5 seconds to force test mode.
3. Push MODE button, select COOLING, HEATING, FAN mode to conrm all functions.
Indoor Unit
1. Do all Remote controller’s buttons function properly?
2. Do the display panel lights work properly?
3. Does the swing louver function properly?
4. Does the drain work?
Outdoor Unit
1. Push the mode button to COOL and adjust the room setting to 61 °F(16°C) deg. wait up to 3 minutes from
compressor time guard. Does compressor and outdoor fan turn on in cooling mode?
2. Push the mode button to HEAT and adjust the room setting to 85 °F(30°C) deg. wait up to 3 minutes for
compressor time guard. Does compressor and outdoor fan turn on in heat mode?
Fig. 438
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