Mitsubishi Electric PQHY-P400 Installationshandbuch Seite 4

8
[Fig. 8.2.1]
A
A
B
A
Å Heat source model
P400
P500
B, C, D
Î Total capacity of indoor units
~ 140
141 ~ 200
201 ~ 300
301 ~ 400
401 ~ 650
a, b, c, d, e
‰ Model number
20,25,32,40,50
63,71,80,100,125,140
200
250
9
[Fig. 9.2.1]
A
3
1
B
A Close-packed packing
B Hollow packing
[Fig. 9.2.3]
A
C D G F E
4
E
B C D
a b c d
C
C C C
1
2 3 4
ı Liquid pipe Ç Gas pipe
ø12.7 ø28.58
ø15.88 ø28.58
ı Liquid pipe Ç Gas pipe
ø9.52 ø15.88
ø9.52 ø19.05
ø9.52 ø22.2
ø12.7 ø28.58
ø15.88 ø28.58
ı Liquid pipe Ç Gas pipe
ø6.35 ø12.7
ø9.52 ø15.88
ø9.52 ø19.05
ø9.52 ø22.2
[Fig. 9.2.2]
<A> [Ball valve (Low press. side/flanged type)]
A Heat exchanger unit
B Compressor unit
C Gas pipe
B
D Liquid pipe
I
E Heat exchanger unit – Compressor unit connec-
tion pipe (ø28.58 Flange + Brazed)
H
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)
8.2
A
A
e
a
C
C
5
1
(mm)
Ï Downstream unit model total
~ 200
201 ~ 400
401 ~ 650
(mm)
Ó The 1st branch of P450 ~ P650
¬ 4-Branching header
(Downstream unit
< =
model total 200)
CMY-Y104-G
(mm)
Ò High press pipe
ø19.05
9.2
<B> [Ball valve (High press. side/flared type)]
<C> This figure shows the valve
in the fully open state.
E
K
J
D
C
G
F
A
B
E
B
A Heat source unit
B First branch
D
C Indoor unit
b c d e
D Cap
C
C C C
2
3 4 5
Ì Branch kit model
CMY-Y102S-G
CMY-Y102L-G
CMY-Y202G
Ô 8-Branching header
(Downstream unit
< =
model total 400)
CMY-Y108-G
˜ Low press pipe
ø28.58
A Valve stem
E
B Stopper pin
C Packing (Accessory)
I
D Connecting pipe (Accessory)
E Open (Operate slowly)
F Cap
H
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
[Fig. 9.2.4]
10-Branching header
(Downstream unit
< =
model total 650)
CMY-Y1010-G
ˆ Bypass pipe
ø9.52