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PIPING AND WIRING FOR OUTDOOR UNIT
50
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.
Indoor unit tubing
Step 2. Tightening.
- Tighten the flare nut with a wrench.
- Tightening torque is as following.
Torque wrench
Indoor unit tubing
Outside diameter
[mm(inch)]
9.52 (3/8)
15.88 (5/8)
Flare nut
Pipings
Open-end wrench (fixed)
Flare nut
Connection pipe
Torque [kgf·m]
3.4 ~ 4.2
6.6 ~ 8.2
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.
- When connecting in a downward direction,
knock out the knock-out hole of the base
pan.
- Detailed geometry may vary by model.
Backward
Sideways
Forward
Knock-out
Base pan
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