Install Outdoor Pipes And Cables - York YKFE12BXEXBH-RX Installation And Owner's Manual

Install Outdoor Pipes and Cables

Minimum 0.8 mm wall thickness interconnecting pipe to be used for R410A refrigerant type.
● Bend the tubing in proper way. Don't harm them.
● Daub the surfaces of the flare pipe and the joint nuts with frozen oil, and wrench it for 3~4 rounds with hands
before fasten the flare nuts.
● Be sure to use two wrenches simultaneously when you connect or disconnect the pipes.
● Do not let air, dust, or other impurities fall in the pipe system during the time of installation.
● The connecting pipe should not be installed until the indoor and outdoor units have been fixed already.
● Keep the connecting pipe dry, and do not let moisture in during installation.
The Procedure of Connecting Pipes
Measure the necessary length of the connecting pipe, and make it by the following way.
1) Connect the indoor unit at first, then the outdoor unit.
2) The stop valve the outdoor unit should be closed absolutely (as original state). Every time you connect it, first
loosen the nuts at the part of stop valve, then connect the flare pipe immediately (in 5 minutes). If the nuts
have been loosened for a long time, dusts and other impurities may enter the pipe system and may cause
malfunction later. So please expel the air out of the pipe with refrigerant before connection.
3) The connecting pipe must followed up PIPING PROCEDURE.
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! CAUTION