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Pipe connection
Indoor
When the connection kit and the piping specifications are not the same, can import and conversion by
variable diameter. (the transfer pipe size selection see accessories)
Pipe insulation
Please use the auxiliary insulation cylinder and tie wire for insulation works according to Fig.1 after the gas leakage
test.
Note 1:
For gas-liquid pipe of connection kit shall be wrapped with insulation materials (purchased locally) when their
auxiliary insulation cylinders have been installed.
For installation of insulation materials for the flare nut connections, it shall be cautioned that:
(1) Please connect it tightly so as to ensure no gas leakage at both ends.
(2) The retaining clamp shall not be over tight so as to ensure the thickness of the insulation materials.
(3) Joints of insulation materials (purchased locally) for the upper flare nut connections shall be wrapped upwards.
(4) Ensure that joints of the insulation materials are installed upwards. (See Fig.2.)
Tie wire
Additional refrigerant charging
Additional refrigerant charging
Charge the additional refrigerant of the liquid pipe between outdoor units and connection kits, between connection
kits and indoor units according to the Operation & Installation Manual of outdoor unit.
Piping specifications
Thermal insulation pipe
Fig.1
Auxiliary pipe
Tube side of connection
kit of the insulation pipe
Connection kit
Seal
22
Outdoor
Field pipe side
of the insulation
pipe
Bind both
ends with
tie wire
Fig.2
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