30
Step 3: Fix outdoor unit
• Place the outdoor unit on the support.
• Fix the foot holes of outdoor unit with bolts.
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.
foot holes
foot holes
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
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