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Mitsubishi Electric PURY-P200 Service Handbook page 43

City multi r410a
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2. Refrigerant piping size
1
Between outdoor unit and BC controller (Part A)
Outdoor unit
Item
High pressure
pipe
Refrigerant piping
size
Low pressure
pipe
High pressure
End connection
pipe
of outdoor unit
Low pressure
and BC controller
pipe
Outdoor unit
Item
High pressure
pipe
Refrigerant piping
size
Low pressure
pipe
High pressure
End connection
pipe
of outdoor unit
Low pressure
and BC controller
pipe
Note 1: Outdoor units and BC controllers are supplied with flanges with a short copper pipe as a part used to connect to the
low pressure pipe.
2
Between BC controller and indoor unit (Parts a, b, c, d, and e)
Indoor unit
Item
Liquid pipe
Refrigerant piping
size
Gas pipe
End connection
Liquid pipe
of indoor unit
(Flare connection
Gas pipe
for all unit types)
3
Between main BC controller and sub BC controller (Part C)
Indoor unit
Item
Liquid pipe
Refrigerant piping
size
High pressure
(Use brazing for
Gas pipe
all units.)
Low pressure
Liquid pipe
✻
When 2 sub controllers are connected, determine the pipe size on the main side based
on the total capacity of the indoor units that are connected to the 2 sub controllers, and
determine the pipe size on the sub controller side based on the total capacity of the
units that are connected.
Note 2: Use pipes that are specified in the section "Read Before Servicing: [3] Piping Materials."
PURY-P200
PURY-P250
YGM-A
YGM-A
ø
15.88
ø
19.05
ø
15.88 (Brazed)
ø
19.05 (Brazed)
ø
PURY-P450
PURY-P500
YGM-A
YGM-A
ø
22.2
ø
22.2 (Brazed)
20, 25, 32
63, 71, 80, 100
40, 50
125, 140
6.35
ø
ø
12.7
ø
15.88
ø
6.35
ø
12.7
ø
15.88
~P200
P201~P300
ø
9.52
ø
15.88
ø
19.05
ø
22.2
- 40 -
PURY-P300
PURY-P350
YGM-A
ø
19.05
ø
22.2
ø
19.05 (Brazed)
22.2 (Brazed)
ø
25.4 (Brazed)
PURY-P550
PURY-P600
YGM-A
ø
28.58
ø
25.4 (Brazed)
ø
28.58 (Brazed)
200
9.52
ø
ø
19.05
ø
9.52
ø
19.05
P301~P350
ø
12.7
ø
19.05
ø
28.58
PURY-P400
YGM-A
YGM-A
ø
22.2
ø
25.4
ø
28.58
ø
22.2 (Brazed)
ø
28.58 (Brazed)
PURY-P650
YGM-A
YGM-A
ø
25.4
250
ø
22.2
ø
22.2
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