4
[Fig. 4.1.1]
Piping portion
Item
PURY-P350
PURY-P400
PURY-P450
PURY-P500
PURY-P550
PURY-P600
PURY-P650
Indoor unit side
A B
C
D
*1
E
E
F
63-140
200-250
Total capacity of indoor units
Below 140
141 to 200
201 to 250
[Fig. 4.1.2]
<A> (high pressure side pipes)
For PURY-P350
For PURY-P400,450,500
E
B
A
4.2
[Fig. 4.2.1]
A
B
[Fig. 4.4.1]
A
B
A
1
A:
25 cm
A Downward pitch of more than 1/100
B Insulating material
D Drain discharge port
F Tie band (accessory)
5
[Fig. 5.0.1]
High pressure
Low pressure
(liquid) side
(gas) side
ø19.05 (Brazing)
ø22.2 (Brazing)
ø28.58 (Brazing)
ø28.58 (Brazing)
ø9.52 (Flare)
ø15.88 (Flare)
H
G
*2
E
E
E
E
I
*3
Liquid line
Gas line
ø15.88
ø9.52
ø19.05
ø22.2
For PURY-P550,600,650
C
A
A Cut here
B Remove brazed cap
D
C
G
B
B:
1.5 – 2 m
C Supporting bracket
E Drain hose (200 mm long, accessory)
G Hose band (accessory)
B
4.1
A To outdoor unit
(Unit: mm)
C BC controller
E Indoor unit
G Combined piping kit (Model name: CMY-R160-J)
H Branch pipe (Model name: CMY-Y102S-G)
I Up to three units for 1 branch hole; total capacity: below 80 (but same in
cooling/heating mode)
*1. For connecting 20 to 50 type indoor units
Connect indoor units using the reducers (specials) supplied with BC control-
lers.
*2. To connect a unit with a capacity of higher than 141.
After combining two branches using an optionally available piping kit (CMY-
R160-J), connect indoor units.
*3. Connection of plural indoor units with one connection (or joint pipe)
•
Total capacity of connectable indoor units: Less than 140 (Less than 250
with joint pipe)
•
Number of connectable indoor units: Maximum 3 Sets
•
Branch pipe: Use the branch pipe for CITYMULTI Y Series (CMY-Y102S-G)
•
Selection of refrigerant piping
Select the size according to the total capacity of indoor units to be installed
downstream.
<B> (low pressure side pipes)
F
D
A
[Fig. 4.3.1]
C
B
A
D
E
F
4.4
E
F
[Fig. 4.4.2]
VP-25
2
A BC controller
C Collecting pipe
A
A Control box
C
B Power source wiring
C ø21 hole (closed rubber bushing)
D
D Transmission wiring
B End connection (brazing)
D Reducer (accessory)
F Less than 40
D
A BC controller
B Locally procured pipe ø19.05
C Locally procured pipe ø22.2
D Locally procured pipe ø28.58
EF
A
4.3
A Locally procured insulating material for pipes
B Bind here using band or tape.
C Do not have any opening.
D Lap margin: more than 40
E Insulating material (field supply)
F Unit side insulating material
A
D
VP-30
B
B
C
3
B Indoor unit
D Take as large as possible. About 10 cm.
Refrigerant connection pipe
(accessory)
3