HP H4H3 Installation Instructions Manual

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Brand: HP

Category: Heat Pump

Type: Installation instructions manual for HP H4H3

Pages: 16

Download HP H4H3 Installation instructions manual

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INSTALLATION INSTRUCTIONS 3-phase R-410A Split System Heat Pump
4 506 01 5102 00
UNIT SUPPORT
NOTE: Unit must be level 2 degrees ( inch rise or fall
per foot of run) or compressor may not function properly.
A. GROUND LEVEL INSTALLATION
The unit must be level and supported above grade by
beams, platform, or a pad. Platform or pad can be of open or
solid construction but should be of permanent materials
such as concrete, bricks, blocks, steel, or pressure- treated
timbers approved for ground contact. Soil conditions must
be considered so that the platform or pad does not shift or
settle and leave the unit partially supported. Minimum pad
dimensions are shown in Figure 2.
If beams or an open platform are used for support, it is
recommended that the soil be treated or area be graveled
to reduce the growth of grasses and weeds.
To minimize vibration or noise transmission, it is
recommended that supports not be in contact with the
building structure. However, slabs on grade constructions
with an extended pad are normally acceptable.
!
CAUTION
PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in proper‐
ty damage.
Top surface of platform must be above estimated
snowfall level to prevent snow blocking coil and to
allow water melt to drain from unit.
B. ROOF TOP INSTALLATION
This type of installation is not recommended on wood
frame structures where low noise levels are required.
Supporting structure or platform for the unit must be level.
If installation is on a flat roof, locate unit minimum 6 inches
above roof level.
Place the unit over one or more load bearing walls. If there
are several units, mount them on platforms that are
self-supporting and span several load bearing walls. These
suggestions are to minimize noise and vibration
transmission through the structure. If the structure is a home
or apartment, avoid locating the unit over bedrooms or study.
NOTE: When unit is to be installed on a bonded
guaranteed roof, a release must be obtained from the
building owner to free the installer from all liabilities.
C. FASTENING UNIT DOWN
If conditions or local codes require the unit be attached in
place, remove the knockouts in the base pan and install
tie down bolts through the holes (refer to Figure 2).
Contact local distributor for hurricane hold-down details and the
P.E. (Professional Engineer) certification, when required.
!
CAUTION
PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in property damage.
Inadequate unit support may cause excessive vibra‐
tion, noise, and/or stress on the refrigerant lines,
leading to refrigerant line failure.
Figure 2 Tie Down Knockouts
Base
Pan
Depth
C
B
A
Base Pan Width
” dia. Tie Down Knockouts
In Base Pan (2 places)
View From Top
Product Family: H series
Base Pan
(Bumpout)
Width x Depth
(inches)
Tie Down
Knockouts
Minimum
Mounting Pad
Dimensions
A B C
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