Sinclair ARCTIC Series User Manual page 13

Installation of outdoor unit
Step four: connect indoor and outdoor pipes
1. Remove the screw on the right han-
dle of outdoor unit and then remove
the handle.
2. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
liquid
valve
1. Remove the wire clip; connect the power connection wire and signal control
wire (only for cooling and heating unit) to the wiring terminal according to the
handle
screw
handle
liquid pipe
gas pipe
gas valve
13K：
N(1) 2
N
blue
black brown yellow-
blue
Indoor unit connection
3. Pretightening the union nut with
hand.
pipe joint
4. Tighten the union nut with torque
wrench by referring to the sheet
below.
Hex nut diameter Tightening torque
Φ 6
Φ 9.52
Φ 12
Φ 16
Φ 19
3
L
yellow-
green yellow-
brown
green
L
N
POWER
green
12
union nut
(N . m)
15~20
30~40
45~55
60~65
70~75
18K：
N(1) 2 3 L
blue black brown brown
L
Indoor unit connection
N
yellow-
blue green
N
POWER