Mitsubishi Electric MSZ-FH25VE Installation Manual page 3

Rear, right, or downward piping
1) Put the refrigerant piping and the drain hose
the end.
2) Insert the piping and the drain hose into the wall
the unit to left and right.
Drain Piping
• If the drain hose provided with the indoor unit is too short, connect it with drain hose
Drain
hose
Downward
slope
Soft hose
I.D. 15 mm
Fig. 1 Fig. 2
Do not raise
drain water
Water Water
Waving
leakage leakage
3. OUTDOOR UNIT INSTALLATION
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
1) Open the service panel.
clamp.
15 mm
• For future servicing, give extra length to the connecting wires.
3-2. FLARING WORK
• Put the end of the copper pipe to downward direction
in the piping.
5) Check
Copper pipe
Burr
Spare reamer
Pipe cutter
Cut off in case of
right piping.
Cut off in case of
downward piping.
Drain hose
or more
Insert
Different
hose dipped
in water
Water
Ditch
leakage
<FH50>
unit connecting
Power supply
cord (K)
Cord clamp
Copper
pipe
Fig. 1
Fig. 2
Flaring tool
-
Fig. 4
Left or left-rear piping
Note:
Be sure to reattach the drain
hose and the drain cap in case
of left or left-rear piping.
Otherwise, it could cause drops
of water to drip down from the
drain hose.
1) Put the refrigerant piping and the drain hose together, then
-
1)
• Hold the convex section at the end and pull the drain
cap.
2)
hose forward.
4) Put the drain cap into the section to which the drain
• Insert not sharp-edged tools such as screwdrivers into
the drain pan.
its inserting part at the drain pan.
50 mm
gap
Copper pipe
Die
Flare nut
Fig. 5
Pipe diameter
22
26
29
3-3. PIPE CONNECTION
age.
Indoor unit connection
Outdoor unit connection
same manner applied for indoor unit.
When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
3-4. INSULATION AND TAPING
tion.
Inside is shin-
Smooth all
scratches.
around
all around
Wing nut
tool tool
1.5 to 2.0
0 to 0.5 1.0 to 1.5
2.0 to 2.5
WARNING
Cut off in case of left
piping.
Drain cap
Drain cap
Fig. 1
Drain hose
Fig. 2
Drain cap
Drain hose
Fig. 4
Fig. 5
Fig. 6
kgf•cm
140 to 180
49.0 to 56.4
-
-
-