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PIPING AND WIRING FOR OUTDOOR UNIT
82
Connecting Pipe to Indoor Unit
Connecting pipe to the indoor unit is two steps. Read following directions carefully.
Step 1. Pre-tightening.
- Align the center of the pipes and sufficiently
tighten the flare nut by hand.
Step 2. Tightening.
- Tighten the flare nut with a wrench.
- Tightening torque is as following.
Outside diameter [mm(inch)] Torque [kgf·m]
6.35 (1/4)
9.52 (3/8)
12.7 (1/2)
15.88 (5/8)
19.05 (3/4)
Connecting Pipe to Outdoor Unit
Connecting pipe to the outdoor unit is five steps including PCB setting.
Step 1. Determine direction of pipes.
- The pipes can be connectable in three directions.
- The directions are expressed in below figure.
- Detailed geometry may vary by model.
Product Heating Capacity :
5 kW, 7 kW, 9 kW
Backward
Sideways
Forward
1.8 ~ 2.5
Torque wrench
3.4 ~ 4.2
Indoor unit tubing
5.5 ~ 6.6
6.6 ~ 8.2
9.9 ~ 12.1
Product Heating Capacity :
12 kW, 14 kW, 16 kW
Forward
Indoor unit tubing
Flare nut
Open-end wrench (fixed)
Flare nut
Backward
Sideways
Pipings
Connection pipe
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