Gree MULTI21 CAS12HP230V1AC, Installation Manual

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START UP AND CHECK OUT
Step 13 – Start Up & Check Ceiling Cassette
1. Continue with the Ceiling Cassette after verifying Outdoor Unit Operation
2. Turn Ceiling Cassette ON using either the remote control or wired controller.
Verify the “ON” LED lights up on the Ceiling Cassette.
3. Select Cooling Mode using either the remote control or wired controller.
Verify the “Green” LED lights up on the Ceiling Cassette.
4. Change fan speeds either the remote control or wired controller.
Verify the fan speed change.
Step 14 - Test Condensate Disposal System
The Ceiling Cassette contains a condensate pump and float switch. Test the condensate disposal
system by the following:
1. Remove grille and frame from the unit and find the drainage port.
2. Locate and Remove the access cover.
3. Place the unit in cooling mode and wait until the compressor turns on.
4. Slowly add 20 to 24 oz. of a water bottle to the drain pan.
5. Water must drain freely from the unit with condensate pump energized. If not, check the pipe
slope or see if there are any pipe restrictions.Verify all piping joints are leak free.
NOTE : This unit is equipped with a safety float switch to de-energize the compressor if the water
level get too high.
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