Mitsubishi Electric CITY MULTI PEFY-WL40VMHS-A Manuel D'installation page 4

7
[Fig. 7.3.1]
B C
A
A
B
C
D F
E D
E
G
F
G
[Fig. 7.3.3]
A B
C
Water pipework is screw
connections
D D D
A To outdoor unit
B End connection (brazing)
HBC unit
C
D Indoor unit
E Twinning pipe (field supply)
Up to three units for 1 branch hole; total capacity:
F
below 80 (but in same mode, cooling/heating)
[Fig. 7.3.4]
A
B
Water pipework is screw
C
connections
G
G
H
D D D
A To outdoor unit
B End connection (brazing)
HBC unit
C
D Indoor unit (without valve)
D´ Indoor unit (with valve)
Twinning pipe (field supply)
E
[Fig. 7.3.6]
A
B
C
D
G
H
E
8
[Fig. 8.0.1]
4
Locally procured insulating material for pipes
Bind here using band or tape.
Do not leave any opening.
Lap margin: more than 40 mm
Insulating material (field supply)
Unit side insulating material
Depending on the type of joint selected, a gap
may be left between the pipe cover on the unit
side and the joint. If this is the case, fill the gap
with another pipe cover (not supplied).
E
D D D
F
*1
E
G
D D D
´ ´ ´
F
*1
F Up to three units for 1 branch hole;
total capacity: below 80 (but in
same mode, cooling/heating)
G Optional VALVE KIT
H Pipe length between indoor unit
without valve and optional VALVE
KIT is less than 5 m.
A To outdoor unit
End connection
B
Hydro unit
C
D To main piping
Indoor unit without valve
E
F
E´ Indoor unit with valve
G
E E ´ E ´
7.3
[Fig. 7.3.2]
B
Note:
*1. Connection of multiple indoor units with one connection
(or joint pipe)
• Total capacity of connectable indoor units: Less than 80
• Number of connectable indoor units: Maximum 3 Sets
• Selection of water piping
Select the size according to the total capacity of indoor units to be installed
downstream.
• Please group units that operate on 1 branch.
[Fig. 7.3.5]
A
Indoor unit
A
B Water pipe: From HBC/VALVE KIT
C Water pipe: To HBC/VALVE KIT
Strainer (40 mesh or more)
D
(field supply)
E Shut off valve (field supply)
F Auto air vent valve (Highest point
on the water pipe) (supplied)
Optional VALVE KIT
G
H Pipe length between indoor unit
without valve and optional VALVE
KIT is less than 5 m.
A B
Air inlet
C D
Duct
E F
Access door
G
Ensure sufficient length to prevent short cycling
H I
Air outlet
C A C
41 173
A Water pipe: To HBC/VALVE KIT
B Water pipe: From HBC/VALVE KIT
Pipe-holding sheet metal
C
C E
B D E
Air filter (supplied at site)
Canvas duct
Ceiling
Keep duct-work length 850 mm or more