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If oil return elbow radius R ≤100mm, oil return elbows must be located per 5 m as
shown; when the height difference between indoor and outdoor unit exceeds five
meters, oil reserve elbow and backstop elbow should be set according to the
relative position of outdoor unit and indoor unit. Make sure that the copper pipes
are not kinked or bent.
GAS LEAKAGE INSPECTION
After the pipeline connection is done, use a leakage inspection device to carefully check if
there is any leakage at the joints. This is an important step to ensure the quality of
installation. Once a leak is detected, proper action should be taken immediately.
INSTALL THE WATER DRAINAGE PIPE
1. For good drainage, the drain hose should be angled downwards.
2. Do not pull on or bend the drain hose or flood its end with water.
3. Use inline pumps for water uplift or if the water drain pipe is very long
4. When the long drainage hose passes through indoor areas, it should be wrapped in
insulation.