Haier HSU-07LEK03 Installation Manual

Also see for HSU-07HEK03 HSU-09HEK03 - annexe 1: Operation manual Installation manual Installation manual Manual Manual

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Haier HSU-07LEK03 Installation Manual Manual pdf 7 page image

Outdoor unit7When connecting pipe exceeds 5 meters, 20g refrigerantshall be added per exceeding meter. Charge according tothe following list.During this procedure, 50g refrigerant will be discharged in piping.(This must be strictly controlled within 90o and 10 sec.)Brand new outdoor unit is charged 50g more refrigerant than regulatedweight. Only for first installation, this extra 50g can be used to purge airin pipes.Note: When extending piping, air inside piping shall be removed by using externalrefrigerant gas, charge according to the following list.3-way valve2-way valve6.35mm(1/4")9.52mm(3/8")12.70mm(1/2")6.35mm(1/4")HSU-09HEK03HSU-09LEK03HSU-12HEK03HSU-12LEK035.Purging Method:Piping lengthAdditional amount5m 7mNo need 40g10m100gfor 7k 9k 12kPush the air out of the indoor unitand piping as followes:(1) Remove the valve cap on 2-way valve in outdoor unit.(2) Loosen by 1/2 turn the flare nut of gas pipe, which isis conneted to 3-way valve.(3) Loosen 2-way valve by 90o using hexagon wrench,and after approx.10 sec tighten it up. Gas comes outthrough flare nut on wide pipe. If no gas is discharged,tighten flare nut with specified torque.(4) Open 2-way and 3-way valves using specified torque.(5) Tighten the caps on the valves with specified torque.Valve rodValve cap7-920-25Tighten torque N.mMax. Length: for 7K 9K : A=7mfor 12K : A=10mB=5mMax.Elevation:COutdoor unitIndoor unit Outdoor unitIndoor unitOil trapABOutdoor unitIndoor unitABABCAUTIONIn case more than 5 metres，oil trapshould be installed every 5~7m.CHSU-09LEK13HSU-12LEK13HSU-07HEK03HSU-07LEK03

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