Toyotomi HTN/HTG-717R32, User Manual

Page: 36 / 128

36
GB
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.
3. Pretightening the union nut with
hand.
4. Tighten the union nut with torque
wrench by referring to the sheet
below.
gas pipe
liquid pipe
liquid
valve
gas valve
union nut
pipe joint
Hex nut diameter Tightening torque
(N.m)
ĭ
ĭ
ĭ
ĭ
ĭ
30~40
a
a
a
a
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
handle
screw
Note: The wiring board is for reference only. Please refer to the actual one.
Indoor unit connection
N(1) 2 3
blue blue black
yellow-
green yellow-
green
12K
brown brown
(black)
N L
N L
POWER
17K
21K
Indoor unit connection
Indoor unit connection
yellow-
green
N(1)
2 3 L N
L N
POWER
brown brown blue blue black
(black)
yellow-
green
yellow-
green
yellow-
green
brown
brown blue
blue
black
(black)
N L
N(1) 2 3
XT
POWER
L N
Indoor unit connection POWER
N(1)
2 3
blue blue black yellow-
green yellow-
green
N
brown brown
(black)
N L
N L