Mitsubishi Electric City Multi PFFY-W20 Manuel D'installation page 4

6
[Fig. 6.3.1]
C
B A Locally procured insulating material for
A
B Bind here using band or tape.
C Do not leave any opening.
D
F
E D Lap margin: more than 40 mm
G
E Insulating material (field supply)
F Unit side insulating material
G There may be a gap between the pipe
[Fig. 6.3.3]
A B
Water pipework is screw
C
connections
D D D
A To outdoor unit
B End connection
C HBC/hydro unit
D Indoor unit
E Twinning pipe (field supply)
F Up to three units for 1 branch hole; total capacity:
below 80 (but in same mode, cooling/heating)
[Fig. 6.3.4]
C
A
B D
7
[Fig. 7.0.1]
F
G
E
A
4
pipes
cover on the unit side and the joint,
depending on the joint selected. If so, fill
the gap with the field-supplied pipe cover.
E
D D D
F
*1
E A Indoor unit
B Water pipe: From HBC/hydro unit
C Water pipe: To HBC/hydro unit
D Strainer (40 mesh or more) (field supply)
E Shut off valve (field supply)
E
C
D
A Air inlet
B Air filter
C Duct
D Canvas duct
E Access door
F Wall
G Air outlet
B
6.3
[Fig. 6.3.2]
98
65
A
C
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. 7.0.2]
A
B
(Unit: mm)
A Water pipe: To HBC/hydro unit
B Water pipe: From HBC/hydro unit
C Pipe-holding sheet metal
C
A Filter
B Front plate
C Fan guard