Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 232

b) Procedure for changing drain hose
1. Remove the drain hose.
• Pull the drain hose off while
turning the end around.
(v) Installation of unit
• To remove the unit from the
mounting plate, remove the
right and left lids then remove
the claw at the lower portion
of base.
(vi) Drain piping
1) Lay the drain piping with downgrade to facilitate flow of drain,and do not make a trap or chevron-shaped bend. (The drain
piping can be taken out from the unit to the left, right, rear and down direction.)
2) Wrap the thermal insulator on the hard vinyl chloride pipe (VP-16) laid in the room.
3) Run the drain piping in a place where there is no fear of abnormal odors being generated at the end of the drain hose.
4) Do not run the drain piping directly into a sewer where sulfur-based poisonous or flammable gases are generated. There
is danger of poisonous or flammable gases penetrating into the building through the drain piping.
5) Pour water into the drain pan below the heat exchanger to check that water is drained outdoors.
No chevron-shaped bend is allowed.
2. Remove the drain cap.
• Remove by hand or pliers.
Lid (right hand)
Mounting plate
Wall
Claw at the lower portion of indoor unit base.
No trap is allowed.
The end shall
not be sub-
merged in wa-
ter.
3. Insert the drain cap.
• Insert the drain cap which was
removed in procedure 2 securely
using a hexagonal wrench, etc.
Note(1) When it is not inserted
securely, water leakage
may occur.
Claw (2 places)
Indoor unit
Mounting plate
Illustration showing the end of drain hose
228
- -
4. Connect the drain hose.
• Push the end of the drain hose
onto the fitting while turning
it around.
Note(1) When it is not inserted se-
curely, water leakage may oc-
cur.
Installation work procedure
(1) Hang the upper portion of in-
door unit on the mounting plate.
(2) The indoor unit can be fixed
with one action by pushing its
lower portion slightly.