Toyotomi KTG21-09R32 User Manual page 37

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
2 3
N(1)
L
N
blue black brown yellow-
green
Indoor unit connection
12K
2 3
N(1)
L
N
blue black brown yellow-
green
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
17K
blue brown yellow-
(black)
green
N L
POWER
21K
yellow-
green
blue brown yellow-
(black)
green
L
N
Indoor unit connection
POWER
37
union nut
(N . m)
30~40
N(1) 2 3
XT
N L
yellow-
brown
blue
blue black brown
green
(black)
N
L
Indoor unit connection
N(1)
L N
2 3
blue black brown brown blue
(black)
L N
POWER
yellow-
green
POWER
yellow-
green
GB