ElectriQ IQOOL-2MS9K9K - 9000 BTU WiFi Smart A++ Wall Air Conditioner System

User Manual - Page 31

For IQOOL-2MS9K9K. Also, The document are for others ElectriQ models: IQOOL-2MS9K9KB, IQOOL-2MS12K12K, IQOOL-2MS12K12KB

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31
STANDARD PIPELINES CONNECTION & AIR PURGING
No dust or any other particles, air or moisture should be allowed to enter the air conditioning
system. Careful attention should be paid when pipeline connection for outdoor unit is made. Try
to avoid repeated curves as much as possible; otherwise damage to the copper pipes may occur.
Suitable wrenches should be used when the pipeline connection is done so as to ensure
appropriate torque (refer to following torque table).
Excessive torque action might damage the joints while too little torque might lead to leakage.
Torque based upon the wrench to be used
If you are installing a multisplit system with easy fit connectors follow the procedures below:
1. Remove the dust caps from the indoor and outdoor units and the connecting pipe.
2. Align the joint of the connecting pipe between the indoor and outdoor and tighten the
connecting nut by hand to prevent cross threading. Secure them with a wrench, applying
the maximum torque as shown in the table above.
3. Pressure test and vacuum pump the pipework for each refrigerant circuit.
4. Remove the two valve core caps from the outdoor unit and turn on the high and low
pressure valve cores with an socket wrench, then tighten the two valve core caps of the
outdoor unit. Finally you can wrap hot insulating tape around the joints of indoor and
outdoor units
Copper pipe diam.
Tightening torque
Strengthened tightening torque
6.35(1/4")
160kgf.cm(63kgf.inch)
200kgf.cm(79kgf.inch)
9.52(3/8")
300kgf.cm(118kgf.inch)
350kgf.cm(138kgf.inch)
12.7(1/2")
500kgf.cm(197kgf.inch)
550kgf.cm(216kgf.inch)
15.88(5/8")
750kgf.cm(295kgf.inch)
800kgf.cm(315kgf.inch)
19.05(3/4")
1200kgf.cm(472kgf.inch)
1400kgf.cm(551kgf.inch)
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