Mitsubishi Electric City Multi PQRY-P400YGM-A Installationshandbuch Seite 4

8
[Fig. 8.2.1]
A B
E
C
A
a
b
E
E
No.1
No.2
A
Å Heat source model ı High press. side
P400
P500
B
Î Total capacity of indoor units
~ 140
141 ~ 200
9
[Fig. 9.2.1]
A
3
1
B
A Close-packed packing
B Hollow packing
[Fig. 9.2.3]
A
C D G
4
D
D
g
E
D
C
No.7
B
d
c
e f
E E
E F
No.3 No.4
No.5 No.6
Ç Low press. side
ø22.2 ø28.58
ø22.2 ø28.58
‰ Liquid line Ï Gas line
ø9.52 ø15.88
ø9.52 ø19.05
[Fig. 9.2.2]
<A> [Ball valve (Low press. side/flanged type)]
O
A
C
A Heat exchanger unit
B Compressor unit
C Low press pipe (BC controller side ø28.58)
B
D High press pipe (BC controller side ø22.2)
I
E Heat exchanger unit – Compressor unit connec-
H
F Heat exchanger unit – Compressor unit connec-
G Heat exchanger unit – Compressor unit connec-
H Ball valve
F E
I External heater adapter (3-wire)
8.2
A Heat exchanger unit
B Compressor unit
C BC controller (main)
D BC controller (sub)
E indoor unit (20 ~ 140)
h
F indoor unit (200, 250)
E
No.7
C, D
~ 200
201 ~ 300
301 ~ 350
E
(mm) Ô High press pipe
ø19.05
a, b, c, d, e, f, g, h
˜ Model number
(mm)
20,25,32,40,50
63,71,80,100,125,140
200
250
9.2
<B> [Ball valve (High press. side/flanged type)]
<C> This figure shows the valve
in the fully open state.
E E
B
O S
S O
G
F
D
I
J
tion pipe (ø28.58 Flange + Brazed)
tion pipe (ø19.05 Flare + Brazed)
tion pipe (ø9.52 Flare + Brazed)
Ì High press. Ó Low press.
gas pipe gas pipe
ø15.88 ø19.05
ø19.05 ø22.2
ø19.05 ø28.58
Low press pipe
ø28.58
‰ Liquid line
ø6.35
ø9.52
ø9.52
ø9.52
B
S
A Valve stem
A
B Stopper pin
C Packing (Accessory)
D Connecting pipe (Accessory)
E Open (Operate slowly)
C
F Cap
G Service port
H ø22.2 (PQRY-P400)
ø22.2 (PQRY-P500)
H
I ø28.58 (PQRY-P400)
ø28.58 (PQRY-P500)
J Field piping
[Fig. 9.2.4]
(mm)
¬ Liquid pipe
ø9.52
ø12.7
ø12.7
Ò Bypass pipe
ø9.52
(mm)
Ï Gas line
ø12.7
ø15.88
ø19.05
ø22.2