4
8
8.2
[Fig. 8.2.1]
A
Heat source unit
B
First branch
C
Indoor unit
D
Cap
B
A
A
B
C
D
e
a
1
b
c
d
2
3
4
5
C
C
C
C
C
E
B
A
a
b
1
2
c
d
e
3
4
5
C
D
C
C
C
C
A
E
A
(mm)
[Fig. 9.2.2]
9.2
9
[Fig. 9.2.1]
A
B
1
3
<A> [Ball valve (Low press. side/flanged type)]
<B> [Ball valve (High press. side/flared type)]
[Fig. 9.2.4]
A
Close-packed packing
B
Hollow packing
<C> This figure shows the valve
in the fully open state.
A
Valve stem
B
Stopper pin
C
Packing (Accessory)
D
Connecting pipe (Accessory)
E
Open (Operate slowly)
F
Cap
G
Service port
H
ø12.7 (PQHY-P400)
ø15.88 (PQHY-P500)
* Connecting pipes are not provided
with the P500 models.
I
ø28.58 (PQHY-P400)
ø28.58 (PQHY-P500)
J
Field piping
I
S
O
K
J
H
G
F
E
D
C
A
B
E
O
S
[Fig. 9.2.3]
A
B
C
D
E
I
H
F
G
A
Heat exchanger unit
B
Compressor unit
C
Gas pipe
D
Liquid pipe
E
Heat exchanger unit – Compressor unit connec-
tion pipe (ø28.58 Brazed)
F
Heat exchanger unit – Compressor unit connec-
tion pipe (ø19.05 Flare + Brazed)
G
Heat exchanger unit – Compressor unit connec-
tion pipe (ø9.52 Flare + Brazed)
H
Ball valve
I
External heater adapter (3-wire)
¬
4-Branching header
(Downstream unit
model total
<
=
200)
CMY-Y104-G
Ô
8-Branching header
(Downstream unit
model total
<
=
400)
CMY-Y108-G
10-Branching header
(Downstream unit
model total
<
=
650)
CMY-Y1010-G
Ï
Downstream unit model total
~ 200
201 ~ 400
401 ~ 650
Ó
The 1st branch of P450 ~ P650
Ì
Branch kit model
CMY-Y102S-G
CMY-Y102L-G
CMY-Y202G
B, C, D
(mm)
Å
Heat source model
P400
P500
ı
Liquid pipe
ø12.7
ø15.88
Ç
Gas pipe
ø28.58
ø28.58
Î
Total capacity of indoor units
~ 140
141 ~ 200
201 ~ 300
301 ~ 400
401 ~ 650
ı
Liquid pipe
ø9.52
ø9.52
ø9.52
ø12.7
ø15.88
Ç
Gas pipe
ø15.88
ø19.05
ø22.2
ø28.58
ø28.58
a, b, c, d, e
(mm)
Ò
High press pipe
ø19.05
˜
Low press pipe
ø28.58
ˆ
Bypass pipe
ø9.52
‰
Model number
20,25,32,40,50
63,71,80,100,125,140
200
250
ı
Liquid pipe
ø6.35
ø9.52
ø9.52
ø9.52
Ç
Gas pipe
ø12.7
ø15.88
ø19.05
ø22.2
WT04624X03_illust
06.10.26, 11:32 AM
4
