AUX AL-H12/4R1D, Service Manual

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AUX Light Commercial Air Conditioners T1,50Hz, R410a,ON/OFF
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6.Installation
6.1 Preparation before installation
1. Please buy following spare parts from your local market before installation

Hung bolts M12, 4 pcs

Drainage pipe PVC

Copper pipe

Adhesive belt (big size) 5 pcs, (small size) 5 pcs

Heat insulation material used to connect copper pipe (PE foam material, its thickness is more
than 8mm)

Power cable, electrical wire between indoor and outdoor unit(Must be in accordance with the
wire diameter in the wiring diagram)
2. Beside general implements, other implements are needed when connecting the pipe

Acetylene cylinders, oxygen cylinders (when longer pipe used it should be welded)

One set pipe cut machine. (cut copper pipe)

Refrigerant cans, electronic balance (when longer pipe used additional gas should be charged)

Pressure gauges, pipe clamp, welding torch, 2B silver electrode

Wrench 2 pcs, one of them is with adjustable torque wrench(42N.m,65N.m,100N.mm)

Nitrogen cylinder (in order to prevent oxidation when welding, using Nitrogen to replace the
air)