1
1-119
Table 1-5 Distribution Branch Size (
1, 2, 3, 4)
Unit: mm (in.)
Indoor Unit 18 type
Gas tube 12.7 (1/2)
Liquid tube 6.35 (1/4)
25 type 36 type 48 type
15.88 (5/8)
9.52 (3/8)
B
B
B
C
A
C
A
110
97
72
C
C
C
E
D
DE
D
72
110
97
175
135
110
97
E
E
FG
F
G
H
B
C
D
E
F
E
BCD
FGH
DCB
EF
114
72
A
A
A
APR-P160BG (for Double Twin)
for gas tube for liquid tube
Insulation Insulation
Distribution
joint
Distribution
joint
Table 1-6 Size of connection point on each part
(shown is inside diameter of tubing)
Size Part A Part B Part C Part D Part E
mm o19.05 o15.88 o12.7 o9.52 o6.35
Table 1-7 Size of connection point on each part
(Shown is inside diameters of tubing)
Size Part A Part B Part C Part D
mm o28.58 o25.4 o22.22 o19.05
Size Part E Part F Part G Part H
mm o15.88 o12.7 o9.52 o6.35
APR-P680 BG (for Twin & Double Twin)
for gas tube for liquid tube
Insulation
Insulation
Distribution joint
Reducing
joint
Reducing
joint
Distribution joint
Unit: mm
Unit: mm
APR-P160BG: Cooling capacity after distribution is 16.0 kW (54,600 BTU/h) or less.
APR-P680BG: Cooling capacity after distribution is more than 16.0 kW (54,600 BTU/h) and less than 68.0 kW (232,000 BTU/h).
APR-RTP280AGB: Cooling capacity after distribution is 28.0 kW (95,500 BTU/h) or less.
1
2
100 35
80
80
(295)
ø9.52ø9.52ø9.52
3
4
5
6
1
ø12.7
1
2
100 80 80
300
100
ø25.4
ø15.88
ø15.88
ø15.88
1
31
111
2
ø9.52 ø12.7
ø15.88
ø19.05
31
ø12.7
ø15.88
ø19.05
ø25.4
ø25.4
ø28.58
ø9.52
ø6.35
APR-RTP280AGB (for simultaneous Triple)
Liquid distribution joint
for liquid tube
Gas distribution joint
for gas tube
Liquid-tube side tube
connector
Gas-tube side tube
connector
Thermal insulation
for gas distribution
joints
Thermal insulation
for liquid distribution
joints
Gas-tube side tube
connector
Dowel pin
position
B-
CUP3
3 locations
Unit: mm
Optional Distribution Joint Kits
SM830161Book.indb119SM830161Book.indb119 2008/06/039:08:112008/06/039:08:11