Outdoor Unit Installation; Pipe Connection; Flaring Work - Mitsubishi Electric MSZ-HC25VA Installation Manual

Rear, right, or downward piping
the end.
the unit to left and right.
Drain Piping
Drain
hose
Downward
slope
Soft hose
Do not raise
drain water
Water Water
Waving

3. OUTDOOR UNIT INSTALLATION

3-1. CONNECTING WIRES FOR OUTDOOR UNIT
15 mm
35 mm
Lead wire

3-2. FLARING WORK

burrs drop in the piping.
again.
Burr
Fig. 3
right piping.
downward piping.
Drain hose
Insert
Different
Fig. 3
Tip of drain
hose dipped
Air
in water
Water
Ditch
length to the connecting wires.
pipe
-
-
No good
Good
90°
Tilted Uneven Burred
Flaring tool
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.
drain hose.
-
drain cap.
drain hose forward.
hose is to be attached at the rear of the indoor unit.
• Insert not sharp-edged tools such as screwdrivers
into the hole at the end of the cap and insert the cap
tion of its inserting part at the drain pan.
At least
the unit easier.
gap
A
Die
Flare nut
Nut

3-3. PIPE CONNECTION

L N
Indoor unit connection
Outdoor unit connection
3-4. INSULATION AND TAPING
valves.
condensation.
piping.
-
Inside is shin-
scratches.
around
Even length
all around
Wing nut
tool tool
-
Drain cap
Drain cap
Drain hose
Drain cap
Fig. 3
Drain hose
Tightening torque
-