McQuay MDS030AR Applications Manual page 84

Design & installation Guide For McQuay MDS Multi System
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4.3.4 Transportation and Conservation of Copper Tube
When transport the connecting pipe, please be careful to keep it in shape. Copper cap should
be used to prevent the dirt and water from entering it. When store it, the side of the connecting
pipe should be sealed as follows:
Open inlet
Copper pipe
Be careful when there are some operation as follows:
Put the copper pipe through a hole (The dirt is easy to enter it).
The copper pipe is extended to outside door (rainwater is easy to enter it, especially
when copper tube is vertical outside door)
Pipe
inlet sealed
Outdoor
4.3.5 Blow of refrigerant pipe
Using pressurized air to blow pipe is a kind of way to clean the pipe.
Liquid pipe
Gas pipe
The connecting port is not connected,
and the connecting port of the indoor
unit is covered with adhesive tape
PVC belt
Nip it to flat
Indoor
Liquid pipe
Gas pipe
Outdoor unit
Copper pipe
welding area
Return to Rebound the belt
starting port more than twice
Spare pipe
needs to be sealed
Blind plug(copper)
Flare fitting
welding
Co