Toyotomi KTG22-18R32 User Manual page 47

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 po wer connection wire and signal control
wire (only for cooling and heating unit) to the wiring terminal according to the
Note: The wiring board is for reference only. Please refer to the actual one.
screw
handle
liquid pipe
gas pipe
gas valve
24K Heat pump type:
N(1)
yellow-
green
blue black brown 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
2 L(3)
yellow-
brown
green
(black)
N L
POWER
47
union nut
(N . m)
30~40
18K Heat pump type:
N(1) 2 3
N L
yellow-green
brown(black)
blue
yellow-
blue black brown
POWER
green
Indoor unit connection
L
N
GB