Precautions About Installation In Regions With Snowfall And Cold Temperatures - Toshiba RAS-M13PKVP-E Service Manual

Draining off the water from the outdoor unit
• If it is necessary to drain off the water from the
outdoor unit, install two water-proofi ng rubber caps
and a drain nipple.
Drain nipple
Fig. 10-5-2
Precautions about installation in regions
with snowfall and cold temperatures
• Do not use the water-proofi ng rubber cap and
drain nipple.
• If there is a danger that the drain water might
freeze, take steps to ensure that the water will
drain off in the most effi cient manner.
• To protect the outdoor unit from snow
accumulation, install a holding frame, and attach a
snow protection hood and plate.
• Install at least 500 mm above the snow
accumulation line.
Snow protection plate
Front
Snow accumulation line
Anchor
bolts
Fig. 10-5-3
Water-proofing rubber
caps (supplied with the
outdoor unit)
Base plate
Snow protection hood
At least
500 mm
Holding frame
Fixing the outdoor unit
• Secure the outdoor unit with the anchor bolts.
• Use 8 mm or 10 mm anchor bolts and nuts.
• Set the out margin of the anchor bolt to 15 mm or
less.
• Install the outdoor unit so that it is level.
• Install the foundation and vibration-proof rubber
pads to directly support the bottom surface of the
fi xing leg.
Elongated
drain hole
Fixing leg
Foundation
Foundation
Support the bottom surface of the fixing
leg that is in contact with and
underneath the bottom plate of the
If only the end of the
fixing leg is supported,
it may deform.
Foundation
– 63 –
Suction side
Drain hole
Diffuser
15 or less
Fig. 10-5-4
GOOD
Absorb vibration
with vibration-proof
rubber pads
GOOD
Bottom plate
of outdoor unit
outdoor unit.
Do not support
NO GOOD
the outdoor unit
only with the fixing
leg.
Fig. 10-5-5