Mitsubishi Electric CITY MULTI PFFY-WL20VCM-A User manual

<ORIGINAL>

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INSTALLATIONSMANUAL
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







INSTALLATION MANUAL

en
Air-Conditioners
INDOOR UNIT
PFFY-WL20,25,32,40,50VCM-A

2
1 1.4
[Fig. 1.4.1]
A
3 3.1
[Fig. 3.1.1]
(A)
715
(B)
A
BC
For PFFY-WL-VCM-A (mm)
Model name (A) (B)
20·25·32 700 More than 240
40·50 900 More than 240
AFloor
BPiping space
CElectrical part service space
4 4.1
[Fig. 4.1.1]
A
B
[Fig. 4.1.2]
For xing on the oor
<Viewed from top of the unit>
C
(E)
≤ 2
0
200
100
[Fig. 4.1.3]
For xing on the wall
<Viewed from front of the unit>
(F)
A
528
640≥75
For PFFY-WL-VCM-A (mm)
Model name (E) (F)
20·25·32 730 756
40·50 930 956
AAir vent valve
(Unit: mm)
ALeg
BScrew
(Unit: mm)
CWall
(Unit: mm)
AFloor

3
4 4.1 4.2
[Fig. 4.1.4]
A
B
C
A
B
ANuts (eld supply)
BWashers
CM10 hanging bolt (eld supply)
[Fig. 4.2.1]
X
Y
W
Z
L
A
Y
W
5 5.2
[Fig. 5.2.1]
A
136.5
274
5.3
[Fig. 5.3.1]
C C C
D
B
A
[Fig. 5.3.2]
CD
G
F
E
B
525
A
AFloor hole for xing
(Unit: mm)
ADrain outlet
ADownward slope (1/100 or more)
BDrain hose (Accessory)
CIndoor unit
DCollective piping
(Unit: mm)
AIndoor unit
BTie band (accessory)
CBand xing part
DInsertion margin
EDrain hose (accessory)
FDrain pipe (O.D. ø32 PVC TUBE, eld supply)
GInsulating material (eld supply)

4
6 6.3
[Fig. 6.3.1]
F
G
E
D
C
B
A
[Fig. 6.3.2]
94
172
65
98
A
C
B
[Fig. 6.3.3]
AB
D
DDD D
F
D
*1
CE
Water pipework is
screw connections
[Fig. 6.3.4]
A
DDDD´D´
F
D´
C
G
H
G
G
E
B
*1
[Fig. 6.3.5]
C
B ED
E
A
[Fig. 6.3.6]
E´E´
A
C
D
B
G
E
G
E
F
H
ALocally procured insulating material for
pipes
BBind here using band or tape.
CDo not leave any opening.
DLap margin: more than 40 mm
EInsulating material (eld supply)
FUnit side insulating material
GThere may be a gap between the pipe
cover on the unit side and the joint,
depending on the joint selected. If so, ll
the gap with the eld-supplied pipe cover.
(Unit: mm)
AWater pipe: To HBC/VALVE KIT
BWater pipe: From HBC/hydro unit
CPipe-holding sheet metal
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.
ATo outdoor unit
BEnd connection (brazing)
CHBC controller
DIndoor unit (without valve)
ETwinning pipe (eld supply)
FUp to three units for 1 branch hole;
total capacity: below 80 (but in same mode, cooling/heating)
Water pipework is
screw connections
ATo outdoor unit
BEnd connection (brazing)
CHBC controller
DIndoor unit (without valve)
D' Indoor unit (with valve)
ETwinning pipe (eld supply)
FUp to three units for 1 branch hole;
total capacity: below 80 (but in same mode, cooling/heating)
GOptional VALVE KIT
HPipe length between indoor unit without valve and optional
VALVE KIT is less than 5 m.
AIndoor unit
BWater pipe: From HBC/hydro unit
CWater pipe: To HBC/hydro unit
DStrainer (40 mesh or more) (eld supply)
EShut o󰀨 valve (eld supply)
ATo outdoor unit
BEnd connection
CHydro unit
DTo main piping
EIndoor unit without valve
E' Indoor unit with valve
FAuto air vent valve (Highest point on the water pipe) (supplied)
GOptional VALVE KIT
HPipe length between indoor unit without valve and optional VALVE KIT is less than 5 m.

5
7
[Fig. 7.0.1]
F
A
G
B
D
C
E
[Fig. 7.0.2]
B
A
C
8 8.1
[Fig. 8.1.1]
AB
CCCC
D
C
~220-240V
8.2
[Fig. 8.2.1]
TB5 TB15 TB5
TB15
SM1M2 SM1M2
TB3
M1M2 21 21
AA
B
CC
[Fig. 8.2.2]
TB5 TB5
SM1M2 SM1M2
TB3
M1M2
AA
B
CC
[Fig. 8.2.3]
2
S
M2
M1
A
B
D
1
9~13 VDC
AB
12
L
N
C
[Fig. 8.2.4]
D
A
S
M2
M1
B
1
2
LN
24~30 VDC
(A, B)
12
C
AAir inlet
BAir lter
CDuct
DCanvas duct
EAccess door
FWall
GAir outlet
AFilter
BFront plate
CFan guard
AGround-fault interrupter
BLocal switch/Wiring breaker
CIndoor unit
DPull box
ATerminal block for indoor transmission
cable
BTerminal block for outdoor transmission
cable
CRemote controller
ANon-polarized
BTB15
CRemote Controller
DTB5