Toshiba MMU-AP0071MH Installation Manual page 14

4
DRAIN PIPING WORK
Thermal insulating process
• After checking of the draining, using the supplied thermal insulation fit to the flexible hose leaving no clearance at
the connecting port of the indoor unit.
• Fit locally procured thermal insulation to the drain pipe leaving no clearance between the supplied insulation.
Flexible hose
Attached heat insulator Heat insulator to be
procured locally
Check panel
Insert the leading part of the
hose between the heat
exchanger and the drain pan,
and then bend it downward.
Hose band
Hard vinyl chloride pipe
Polyethylene hand pump for
pouring water in drain pan
Vessel
Ensure water is poured slowly.
To reduce risk of water spreading throughout the
unit, resulting in a possible fault.
Air
discharge area
Drain pan
Water (1500cc to 2000cc)
11
CAUTION