Mitsubishi Electric M Series Manual page 193

M series
MSZ-SF15VA MSZ-SF20VA
SPECIFICATIONS
Model
Indoor unit Outdoor unit
MSZ-SF15VA
–
MSZ-SF20VA
*1 Connect to the power switch which has a gap of 3
mm or more when open to interrupt the source power
phase. (When the power switch is shut off, it must
interrupt all phases.)
*2 Use wires in conformity with design 60245 IEC 57.
*3 Never use pipes with thickness less than specified.
The pressure resistance will be insufficient.
INSTALLATION DIAGRAM
ACCESSORIES
Check the following parts before installation.
<Indoor unit>
(1) Installation plate
(2) Installation plate fixing screw 4 × 25 mm
(3) Remote controller holder
(4) Fixing screw for (3) 3.5 × 16 mm (Black)
(5) Battery (AAA) for (6)
(6) Wireless remote controller
Felt tape
(7)
(For left or left-rear piping)
* Note:
Place indoor/outdoor unit connecting wire (A) at least 1 m
away from the TV antenna wire.
Units should be installed by licensed contractor according
to local code requirements.
Power supply *1
Rated Voltage Frequency Breaker capacity
230 V 50 Hz
*7
*4 Use a copper pipe or a copper-alloy seamless pipe.
*5 Be careful not to crush or bend the pipe during pipe
bending.
*6 Refrigerant pipe bending radius must be 100 mm or
more.
*7 Refer to the installation manual of the multi-type out-
door units.
1
5
1
2
2
1
1
Be sure to use wall hole
sleeve (C) to prevent
indoor/outdoor connecting
wire (A) from contacting
metal parts in the wall and
to prevent damage by
rodents in case the wall is
hollow.
After the leak test, ap-
ply insulating material
tightly so that there is
no gap.
When the piping is to be attached to a wall containing metals (tin
plated) or metal netting, use a chemically treated wooden piece 20
mm or thicker between the wall and the piping or wrap 7 to 8 turns of
insulation vinyl tape around the piping.
To use existing piping, perform COOL operation for 30 minutes and
pump down before removing the old air conditioner. Remake flare ac-
cording to the dimension for new refrigerant.
Drain piping for outdoor unit
Install the unit horizontally.
Do not use drain socket in cold regions. Drain may freeze and make
the fan stop.
The outdoor unit produces condensate during the heating operation.
Select the installation place to ensure to prevent the outdoor unit and/
or the grounds from being wet by drain water or damaged by frozen
drain water.
Before installation
This installation manual is only for the indoor unit installation. In install-
ing the outdoor units, refer to the installation manual attached to each
outdoor unit. Any structural alternations necessary for the installation
must comply with the local building code requirements.
WALL-MOUNTED Inverter Heat Pump
Wire specifications *2
Power supply Indoor/outdoor connecting wire
– –
*7 *7
*8 Insulation material : Heat resisting foam plastic
0.045 specific gravity
*9 Be sure to use the insulation of specified thickness.
Excessive thickness may cause incorrect installa-
tion of the indoor unit and insufficient thickness may
cause dew drippage.
PARTS TO BE PROVIDED AT YOUR SITE
(A) Indoor/outdoor unit connecting wire*
(B) Extension pipe
(C) Wall hole sleeve
(D) Wall hole cover
(E) Pipe fixing band
(F) Fixing screw for (E) 4 × 20 mm
(G) Piping tape
(H) Putty
Drain hose
(I) (or soft PVC hose, 15 mm inner diameter or hard PVC pipe
VP16)
(J) Refrigeration oil
Indoor unit
Wall hole
sleeve (C)
Cut off the
extra length.
Pipe size
(thickness *3, *4)
Gas / Liquid
4-core ø9.52 / 6.35 mm
2
1.0 mm (0.8 mm)
2 to 5
2 to 5
1 or 2
Wall hole cover (D)
Seal the wall hole
gap with putty (H).
Fix the pipe to wall
with pipe fixing
band (E).
Pipe fixing band
(E)
Fixing screw
(F)
C-191
1
1
1
1
1
1
1