Checking the Drainage, Insulating the Pipe and Special Piping Applications

Checking the Drainage, Insulating the Pipe and Special Piping Applications

Checkingthedrainage

To check the drainage.

1. Pour a glass of water on the evaporator.

2. Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit.

Drain piping

1.The drain hose should point downward for easy drain flow.

2.See below for examples of incorrect drain pipe applica- tions, which will cause poor condensate flow.

Downward slope

Do not raise

Water

Water

leakage

leakage

Accumulated

 

 

 

drain water

 

Tip of drain hose

Less than

Air

 

 

50mm gap

 

 

dipped in water

 

 

 

Kinking

Water

 

 

leakage

Ditch

 

 

 

 

 

 

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Service Manual

Page 35
Image 35
Heat Controller A-MMH36FA-1, B-MMH12FA-1, B-MMC12FA-1 manual Checking the drainage, To check the drainage, Drain piping