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8
•
Where snowfall is anticipated, the heat pump must be elevated above the base
pad to prevent ice buildup that may crush the tubing of the heat pump coil or
cause fin damage. Heat pump units should be mounted above the average
expected accumulated snowfall for the area.
FIGURE 2
RECOMMENDED ELEVATED INSTALLATION
ELEVATION ABOVE
ANTICIPATED SNOW-
'FALL IS NECESSARY.
DO NOT BLOCK
OPENINGS IN BASE
PAN. REFER TO
FIGURE 1.
3.5 CUSTOMER SATISFACTION ISSUES
•
The heat pump should be located away from the living, sleeping and recre-
ational 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 sufficient distance
above grade to prevent ground water from entering the unit.
3.6 UNIT MOUNTING
If elevating the heat pump, either on a flat roof or on a slab, observe the
following guidelines. (See Figure 2.)
•
The base pan provided elevates the heat pump 3/4" above the base pad.
•
If elevating a unit on a flat roof, use 4" x 4" (or equivalent) stringers positioned
to distribute unit weight evenly and prevent noise and vibration.
NOTE: Do not block drain openings shown in Figure 1.
•
If unit must be elevated because of anticipated snow fall, secure unit and ele-
vating stand such that unit and/or stand will not tip over or fall off.
CAUTION
!
Secure elevated unit and elevating stand in order to prevent tipping.
Failure to do this may result in minor or moderate injury.
3.7 FACTORY-PREFERRED TIE-DOWN METHOD
INSTRUCTIONS
IMPORTANT: These instructions are intended as a guide to securing equipment for
wind-load ratings of "120 MPH sustained wind load" and "3-second, 150 MPH gust."
While this procedure is not mandatory, the Manufacturer does recommend that
equipment be properly secured in areas where high wind damage may occur.
STEP 1: Before installing, clear pad of any dirt or debris.
IMPORTANT: The pad must be constructed of industry-approved materials,
and must be thick enough to accommodate the concrete fastener.
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