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SPECIAL CONSIDERATIONS FOR EXTREME
WEATHER
If the unit is exposed to heavy wind:
Install unit so that air outlet fan is at a 90°
angle to the direction of the wind. If needed,
build a barrier in front of the unit to protect it
from extremely heavy winds.
See Fig. 4.2 and Fig. 4.3 below.
Strong wind
Fig. 4.2
Fig. 4.3
If the unit is frequently exposed to heavy
rain or snow:
Build a shelter above the unit to protect it from
the rain or snow. Be careful not to obstruct air
flow around the unit.
If the unit is frequently exposed to salty air
(seaside):
Use outdoor unit that is specially designed to
resist corrosion.
Step 2: Install drain joint
Heat pump units require a drain joint. Before bolting
the outdoor unit in place, you must install the drain
joint at the bottom of the unit. Note that there are
two different types of drain joints depending on the
type of outdoor unit.
Strong wind
Wind Baffle
Strong wind
65
If the drain joint comes with a rubber seal
(see Fig. 4.4 - A ), do the following:
Fit the rubber seal on the end of the drain joint
1.
that will connect to the outdoor unit.
Insert the drain joint into the hole in the base pan
2.
of the unit.
Rotate the drain joint 90° until it clicks in place
3.
facing the front of the unit.
Connect a drain hose extension (not included) to
4.
the drain joint to redirect water from the unit
during heating mode.
If the drain joint doesn't come with a rubber seal
(see Fig. 4.4 - B ), do the following:
Insert the drain joint into the hole in the base
1.
pan of the unit. The drain joint will click in
place.
Connect a drain hose extension (not included)
2.
to the drain joint to redirect water from the
unit during heating mode.
Seal
Drain joint
(A)
IN COLD CLIMATES
In cold climates, make sure that the drain hose is
as vertical as possible to ensure swift water
drainage. If water drains too slowly, it can freeze
in the hose and flood the unit.
Base pan hole of
outdoor unit
Seal
(B)
Fig. 4.4
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