Westinghouse WHP09WMA21S Design & Technical Manual page 27

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
3-1. Models: WHP09SZA21S, WHP12SZA21S, WHP18SZA21S, and WHP24SZA21S
Indoor unit is higher than outdoor unit
Max. 65.4 ft (20 m)
Outdoor unit is higher than indoor unit
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
3. Installation space