McQuay MDS080BR Installation Guide download pdf (Page 84)

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Design & installation Guide For McQuay MDS Multi System

Pipe 

inlet sealed

Outdoor Indoor

Spare pipe

needs to be sealed

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:

Liquid pipe

Gas pipe

Outdoor unit

The connecting port is not connected,

and the connecting port of the indoor

unit is covered with adhesive tape

Blind plug(copper)

Flare fitting

Open inlet

Copper pipe

PVC belt

Nip it to flat

welding area

Return to

starting port

Rebound the belt

more than twice

Copper pipe

welding

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)

4.3.5 Blow of refrigerant pipe

Using pressurized air to blow pipe is a kind of way to clean the pipe.

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McQuay MDS080BR Installation Guide Page 84