28
Step 4: Connect indoor and outdoor pipes
• Remove the screw on the right handle of outdoor unit and then remove the handle.
• Remove the valve cap and align the pipe joint on the flared orifice of the pipe.
• Pre-tighten the union nut by hand.
• Tighten the union nut with torque wrench by referring to the sheet below.
Step 5: Wiring of the unit
• Remove the wire clip; connect the power connection wire and signal control wire to the wiring
terminal according to the color; fix them with screws.
Indoor unit connection
2
3
N(1)
L2
L1
2
3
N(1)
L1
L2
POWER
screw
handle
liquid pipe
gas pipe
liquid
valve
gas valve
pipe joint
union nut
Hex nut diameter
Tightening torque
(N-m)
Φ 6
15~20
Φ 9.52
30~40
Φ 12
45~55
Φ 16
60~65
Φ 19
70~75
