9
Location
WARNING:
Disconnect all power to unit before starting
maintenance. Failure to do so can cause electrical
shock resulting in severe personal injury or death.
Regular maintenance will reduce the buildup of
contaminants and help to protect the unit’s finish.
• Frequent washing of the cabinet, fan blade,
and coil with fresh water will remove most of
the salt or other contaminants that build up on
the unit.
• Regular cleaning and waxing of the cabinet
with a good automobile polish will provide
some protection.
• A good liquid cleaner may be used several
times a year to remove matter that will not wash
off with water.
4.2.4 Customer Satisfaction Issues
• The heat pump should be located away from the
living, sleeping, and recreational spaces of the
owner and those spaces on adjoining property.
• To prevent noise transmission, the mounting pad
for the outdoor unit should not be connected to
the structure and should be located a sufficient
distance above grade to prevent ground water
from entering the unit.
4.3 Unit Mounting
4.3.1 Unit Mounting Methods
The outdoor heat pump unit may be mounted in a
number of ways. The most common method is on the
ground mounted on a concrete or pre-fabricated pad.
It can also be mounted on a ground or roof mounted
metal frame, wooden frame, or 4” x 4” [10.2 cm x 10.2
cm] wooden stringers. It is extremely important to
properly secure the unit to the pad or frame so it does
not shift during high winds, seismic events, or other
outside forces to eliminate the possibility of a safety
hazard or physical damage to the unit. Local codes
in regions subject to frequent hurricanes and seismic
events will dictate specific mounting requirements and
must be followed. It is also important to elevate the
heat pump in areas that receive a significant amount
of snowfall so accumulated snow does not block
the outdoor coil and interfere with drainage of water
during the defrost cycle. Refer to Section 4.3.4 for
typical ground snow levels for different regions of the
USA.
4.3.2 High Wind and Seismic Tie-
Down Methods
The manufacturer-approved/recommended method
is a guide to securing equipment for wind and
seismic loads. Other methods might provide the
same result, but the manufacturer method is the
only one endorsed by the manufacturer for securing
equipment where wind or earthquake damage
can occur. Additional information is available on
the manufacturer's website or from the wholesale
distributor.
4.3.3 Elevating Unit
WARNING:
Secure an elevated unit and its elevating stand in
order to prevent tipping. Failure to do so may result in
severe personal injury or death.
If elevating the heat pump, either on a flat roof or on a
Figure 4: Elevated Unit Mounting Recommendations
Item Number Descripton
1 Elevate Above Anticipated High Snow Fallt
2 Do Not Block Openings In Base Pan
3 Base Pad (Concrete Or Other Suitable Material)
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