Mitsubishi Electric CMB-P-V-F Installation Manual page 3

4
[Fig. 4.1.1]
Piping portion
Item
PURY-200
PURY-P200
PURY-250
PURY-P250
Indoor unit side
A B
C
G
D
*1
E
E
F
*4 50-63 100-140
Total capacity of indoor units
Below 80
81 to 160
For PURY-250
[Fig. 4.1.2]
PURY-P250
A
[Fig. 4.2.1]
A
A Cut here
B Remove brazed cap
[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)
H Drain hose (200 mm long)
5
[Fig. 5.0.1]
High pressure Low pressure
(liquid) side (gas) side
ø25.4 (Brazing)
ø19.05
(Brazing)
ø28.58 (Brazing)
ø9.52 (Flare) ø15.88 (Flare)
H
*2
E
E E E
I
*3
Liquid line Gas line
ø9.52 ø15.88
ø12.7 ø19.05
For PURY-200
PURY-P200
B
4.2
B
D
C
G
B
F H
B: 1.5 – 2 m
C Supporting bracket
E Insulated pipe (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-H)
H Branch pipe (Model name: CMY-Y102S-F)
I Up to three units for 1 branch hole; total capacity: below 80 (but same in cooling/
heating mode)
*1. For connecting 20 to 40 type indoor units
Connect indoor units using the reducers (specials) supplied with BC controllers.
*2. For connecting 100 to 140 type indoor units (or more than a total indoor
unit capacity of 81)
After combining two branch holes using an optionally available combined piping
kit (CMY-R160-H), connect indoor units.
*3. Connection of plural indoor units with one connection (or joint pipe)
• Total capacity of connectable indoor units: Less than 80 (Less than 160 with
joint pipe)
• Number of connectable indoor units: Maximum 3 Sets
• Branch pipe: Use the branch pipe for CITYMULTI Y Series (CMY-Y102S-F)
• Selection of refrigerant piping (Piping size of A/B sections in the above fig-
ure)
Select the size according to the total capacity of indoor units to be installed
downstream.
D C
A
[Fig. 4.3.1]
4.4
[Fig. 4.4.2]
E
F
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
A BC controller
B Locally procured pipe ø28.56
C Locally procured pipe ø25.4
D Refrigerant conn. pipe (accessory)
4.3
C
B
A
D
E F
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.
3