Haier HSU-18CG13 Installation Manual

Also see for HSU-09CG13-B: Operation manual Installation manual

Contents

Haier HSU-18CG13 Installation Manual Manual pdf 7 page image

Outdoor unit5.Purging Method:7Push the air out of the indoor unitand piping as followes:(1) Remove the valve cap on 2-wayvalve in outdoor unit.(2) Loosen by 1/2 turn the flare nut ofgas pipe, which is conneted to3-way valve.(3) Loosen 2-way valve by 90 o usinghexagon wrench, and after approx.10 sec tighten it up. Gas comes outthrough flare nut on wide pipe. If nogas is discharged, tighten flare nutwith specified torque.(4) Open 2-way and 3-way valvesusing specified torque.(5) Tighten the caps on the valveswith specified torque.Valve rodValve cap7-920-25Tighten torque N.mWhen connecting pipe exceeds 5 meters, 20g or 60g(only for 24k) refrigerantshall be added per exceeding meter . Charge according to the following list.Piping lengthAdditional amount5m 7mNo need 40gDuring this procedure, 50g or 80g (only for 24k )refrigerant will be discharged in piping.(This must be strictly controlled within 90o and 10 sec.)Brand new outdoor unit is charged 50g or 80g (only for 24k ) more refrigerant than regulatedweight. Only for first installation, this extra 50g or 80g (only for 24k ) 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.10m100g3-way valve15.88mm(5/8")2-way valve9.52mm(3/8")HSU-24CG13-B3-way valve2-way valve6.35mm(1/4") 12.7mm(1/2")HSU-18CG13-BHSU-09CG13-B3-way valve2-way valve6.35mm(1/4")9.52mm(3/8")for 9k 12k 18kPiping lengthAdditional amount5m 7mNo need 120g10m300gfor 24kHSU-12CG13-B

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