Testing And Inspection - Gree VIR09HP115V1A Installation Manual

TESTING AND INSPECTION

Oil Return Bend
When the outdoor unit is more than 30 feet above the
indoor unit, an oil return bend must be added for every
20 feet of connection pipe.
Condensate Drain Pipe Testing
Carefully and slowly add 8-10 ounces of water to the indoor unit drain pan.
• Verify the water drains easily out the condensate drain hose.
• If water does not drain easily from the drain hose, then remove kinks, increase
drain pitch, or add an auxiliary condensate drain pump.
Start-up Checklist
Turn on main power to indoor and outdoor units.
• Verify the system is not displaying an error code on the indoor unit display.
Add batteries and press the ON button on the remote controller.
• Verify the remote controller display turns ON and the indoor unit display is ON.
Press the Mode button to Cooling.
Adjust the room setpoint to bring the system on in cooling mode. The system should start
cooling mode within 3-5 minutes.
• Verify the outdoor fan and compressor are operating.
• Verify the indoor fan is operating.
• Verify the indoor discharge air is cooling the room.
Press the Mode button to Heating.
Adjust the room setpoint to bring the system on in cooling mode. The system should start
heating mode within 3-5 minutes.
• Verify the outdoor fan and compressor are operating.
• Verify the indoor fan is operating.
• Verify the indoor discharge air is cooling the room.
Press the OFF button on the remote controller.
• Verify remote controller display turns OFF and the system shuts OFF.
Oil return bend
Indoor
Oil return bend
Outdoor
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