12
THE INDOOR UNIT INSTALLATION
ENGLISH
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.
Align the center of the piping and sufficiently
tighten the flare nut by hand.
(only indoor units
3
6k
B
tu/h class- connect “D ROOM”)
A R
OOM
B
RO
OM
C R
OOM
D R
OOM
(only indoor units
24k
B
tu/h class)
A R
OOM
B
RO
OM
C R
OOM
D R
OOM
Indoor unit tubing
Flare nut
Pipes
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
(Only Indoor Units
24 kBtu/h class )
(PMBD3620 / PMBD3630 /
PMBD3640)
(PMBD3641)
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
BD Unit
Refrigerant Connections
Pipe Size (inch (mm))
Connectable
Indoor Unit
Capacity
(kBtu/h class)
Liquid
Gas
PMBD3620
1/4 (Ø6.35)
x 2EA
3/8 (Ø9.52)
x 2EA
9/12/18/24k
PMBD3630
1/4 (Ø6.35)
x 3EA
3/8 (Ø9.52)
x 3EA
9/12/18/24k
PMBD3640
1/4 (Ø6.35)
x 4EA
3/8 (Ø9.52)
x 4EA
9/12/18/24k
PMBD3641
1/4 (Ø6.35)
x 4EA
3/8 (Ø9.52)
x 3EA
9/12/18/24k
(A/B/C ROOM)
1/2 (Ø12.7)
x 1EA
36k
(D ROOM)
h
BD Unit(PMBD3641) includes the sockets.
(Ø 12.7
→
Ø 15.88 x 1EA,
Ø 6.35
→
Ø 9.52 x 1EA)
Capacity
Refrigerant Connections
Pipe size
(kBtu/h)
Liquid
Gas
24
1/4 (Ø6.35)
1/2 (Ø12.7)
36
3/8 (Ø9.52)
5/8 (Ø15.88)
Connection of piping - Indoor, Outdoor, BD Unit
Summary of Contents for Art Cool LA240HSV
Page 29: ......
