- (05-05) -
SY
ST
EM
DE
SIGN
SY
ST
EM
DE
SIGN
PIPE SIZE
1-3.
PIPE SIZE SELECTION
The figures enclosed by a thick-lined frame indicate the standard pipe diameter and max. piping
•
length.
Single system installation:
z
H1
L1
Model
36 model / 45 model / 54 model
Pipe diameter
[mm (in.)]
Liquid pipes
9.52 (3/8)
12.70 (1/2)
Gas pipes
15.88
(5/8)
19.05
(3/4)
15.88
(5/8)
19.05
(3/4)
Piping length
[m (m)]
Max. piping length
< L1 >
(Pre-charge length)
75
[30]
50
[30]
35
[15]
35
[15]
Simultaneous multi system installation:
z
The figures enclosed by a thick-lined frame indicate the standard pipe diameter and max. piping
•
length.
Twin type
H1
H2
L1
L3
L2
Model
36 model
Main pipe
diameter
(L1)
[mm (in.)]
Liquid pipes
9.52 (3/8)
12.70 (1/2)
Gas pipes
15.88
(5/8)
19.05
(3/4)
15.88
(5/8)
19.05
(3/4)
Branch pipe
diameter
(L2, L3)
[mm (in.)]
Liquid pipes
6.35 (1/4)
Gas pipes
12.70 (1/2)
Piping length
[m (m)]
Max. piping
length <L1+L2+L3>
(Pre-charge length)
75
[30]
50
[30]
35
[15]
35
[15]
Model
45 model / 54 model
Main pipe
diameter
(L1)
[mm (in.)]
Liquid pipes
9.52 (3/8)
12.70 (1/2)
Gas pipes
15.88
(5/8)
19.05
(3/4)
15.88
(5/8)
19.05
(3/4)
Branch pipe
diameter
(L2, L3)
[mm (in.)]
Liquid pipes
9.52 (3/8)
Gas pipes
15.88 (5/8)
Piping length
[m (m)]
Max. piping
length <L1+L2+L3>
(Pre-charge length)
75
[30]
50
[30]
35
[15]
35
[15]