Mitsubishi Electric City Multi WR2 Série Manuel D'installation page 3

7
[Fig. 7.2.1]
A
a
B
A BC controller
B Indoor unit (20~140)
C Indoor unit (200, 250)
8
[Fig. 8.2.1]
L
3
1
M
[Fig. 8.3.1]
B
C
LO
A
C
D
[Fig. 8.3.3]
g
A
i
j
h
A
b
B
B
d e
c
B B
B
[Fig. 8.2.2]
<A> [Ball valve (low pressure side)]
(This figure shows the valve in the fully open state.)
A
B
C
D
A Nitrogen gas
F
B To indoor unit
G
C System analyzer
D Lo Knob
H
E Hi Knob
I
HI F Ball valve
E
J
G Low pressure pipe
H High pressure pipe
I Heat source unit
J Service port
7.2
A
PQRY-P200
PQRY-P250
Ç Connection of heat
sourse unit/BC controller
B
f
Î Total capacity of indoor units
~ 80
C
81 ~ 160
a, b, c, d, e
Ì Model number
20,25,32,40
50,63,80
100,125,140
f, g, h, i, j
Ì Model number
200
250
8.2
E
<B> [Ball valve (high pressure side)]
E
I
J
K
8.3
[Fig. 8.3.2]
A
LO HI
B C
Å High pressure pipe ı Low pressure pipe
ø19.05
ø19.05
ø 19.05 (Flare)
‰ Liquid line
ø9.52
ø9.52
‰ Liquid line
ø6.35
ø9.52
ø9.52
‰ Liquid line Ï Gas line
f g h
ø12.7 ø9.52 ø25.4 ø19.05
ø12.7 ø9.52 ø28.58 ø19.05
[Fig. 8.2.3]
F
G
A Valve stem
B Stopper pin
C Packing (accessory)
D Connecting pipe (accessory)
E Open (Operate slowly)
H
F Cap, copper packing
G Service port
H Flare nut
I ø19.05
J ø25.4 (PQRY-P200)
ø28.58 (PQRY-P250)
K Field piping
L Close-packed packing
M Hollow packing
D
E
F
G
I
H
M
J
K
L
(mm)
ø25.4
ø28.58
ø 25.4 (Flange)
ø 28.58 (Frange)
(mm)
Ï Gas line
ø15.88
ø19.05
(mm)
Ï Gas line
ø12.7
ø15.88
ø19.05
i j
ø15.88
ø15.88
A System analyzer
B Lo Knob
C Hi Knob
D Ball valve
E Low pressure pipe
F High pressure pipe
G Service port
H Three-way joint
I Valve
J Valve
K Cylinder
L Scale
M Vacuum pump
3