Westinghouse WHP09WMA21S Service Manual page 15

Site for installing the indoor unit
• Where there is no obstruction near the air outlet and air
can be easily blown to every corner.
• Where piping and wall hole can be easily arranged.
• Keep the required space from the unit to the ceiling and
wall according to the diagram on previous page.
• Where the air filter can be easily removed.
• Keep the unit and remote controller 3.28 ft (1 m) or more
apart from television, radio etc.
• Keep as far as possible from fluorescent lamps.
• Do not put anything near the air inlet to obstruct it from air
absorption.
• Install on a wall that is strong enough to bear the weight
of the unit.
• Install in a place that will not increase operation noise and
vibration.
• Keep away from direct sunlight and heating sources. Do
not place flammable materials or combustion apparatuses
on the top of the unit.
Site for installing the outdoor unit
• Where it is convenient to install and well ventilated.
• Avoid installing it where flammable gas could leak.
• Keep the required distance apart from the wall.
• Keep the outdoor unit away from greasy dirt, vulcaniza-
tion gas exit.
• Avoid installing it by the roadside where there is a risk of
muddy water.
• A fixed base where it is not subject to increased operation
noise.
• Where there is not any blockage of the air outlet.
• Avoid installing under direct sunlight, in an aisle or side-
way, or near heat sources and ventilation fans. Keep
away from flammable materials, thick oil fog, and wet or
uneven places.
• In case the pipe length is more than 24.6 ft (7.5 m), the
refrigerant should be charged additionally, according to
the table below.
Model
WHP09SZA21S
WHP12SZA21S
WHP18SZA21S
WHP24SZA21S
Indoor unit is higher than outdoor unit
Max. 65.4 ft (20 m)
Required amount of additional refrigerant (oz/ft)
0.215
0.323
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Indoor unit
Pipe length:
Max. 65.4 ft (20 m)
Outdoor unit
Outdoor unit
Pipe length:
Indoor unit
Outdoor unit is higher than indoor unit