ENGLISH
13
THE INDOOR UNIT INSTALLATION
Connection of piping
Align the center of the piping and sufficiently
tighten the flare nut by hand.
h
Indoor Unit (18k) includes the sockets.
(Ø 6.35
→
Ø 9.52 x 1EA, Ø 12.7
→
Ø 15.88 x 1EA, Ø 9.52
→
Ø 12.7 x 1EA)
Finally, tighten the flare nut with torque
wrench until the wrench clicks.
- When tightening the flare nut with torque
wrench ensure the direction for tightening
follows the arrow on the wrench.
ODU
Capacity
(kBtu/h)
Refrigerant Connections
Pipe size
Liquid
Gas
Single
Zone
18
3/8 (Ø9.52)
5/8 (Ø15.88)
Outside diameter
Torque
mm
inch
N
·
m
kgf
·
m
lbf
·
ft
Ø6.35
1/4
14~18
1.4~1.8
10~13
Ø9.52
3/8
34~42
3.5~4.3
25~31
Ø12.7
1/2
49~61
5.0~6.2
36~45
Ø15.88
5/8
69~82
7.0~8.4
51~60
Ø19.05
3/4
100~120 10.0~12.2
73~88
Indoor unit tubing
Flare nut
Pipes
Torque
Wrench
Indoor unit
tubing
Open-end wrench
(fixed)
Connection pipe
Flare nut
For Single zone
IDU
Liquid
Gas
Содержание LDN097HV4
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