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INSTALLATION
Residen al Hybrid Electric Heat Pump Water Heater Use and Care Guide • 9
INSTALLATION
2
The loca on has adequate
space (clearances) for period-
ic servicing. For op mal water
heater effi ciency, the unit must have
unrestricted airfl ow and requires a
minimum installa on space of 700
cubic feet. As an example, a room that
has an 8 foot tall ceiling and is 10 feet
long by 8-3/4 feet wide would contain
700 cubic feet.
NOTE: This Heat Pump Water Heater
may be located within a required mini-
mum of 6” clearance from a wall on
the outlet side, however for future
service considera ons, a minimum of
3 feet from any obstruc on on the
back, le and right side is recommend-
ed.
3
The fl oor can support the
weight of a full water heater.
Table 1
Capacity Filled Weight (lbs)
50 Gallon 573
66 Gallon 796
80 Gallon 921
4
Your area is not prone to
earthquakes. If it is, use
special straps as required by
local building codes.
NOTICE: The state of California re-
quires bracing, anchoring, or strapping
the water heater to avoid its moving
during an earthquake. Contact local
u li es for code requirements in your
area, visit h p://www.dsa.dgs.ca.gov,
or call 1-916-445-8100 and request
instruc ons. Other loca ons may have
similar requirements. Check with your
local and state authori es.
5
The loca on is not prone to
physical damage by vehicles,
fl ooding, or other risks.
Vehicle
Stop
Drain
Drain
P
a
n
Figure 10 - In a garage, install a vehicle stop
to avoid water heater damage.
6
Avoid loca ons such as a cs,
upper fl oors, or where a leak
might damage the structure
or furnishings. Due to the normal
corrosive ac on of water, the tank will
eventually leak. To minimize property
damage from leaks, inspect and
maintain your water heater in accor-
dance with this manual’s instruc ons.
Inspect the drain pan, pipes, and
surrounding area regularly and fi x any
leaks found. Drain pans are available at
your local plumbing supplier. Leaks are
frequently in the plumbing system
itself and not the water heater.
7
The unit cannot be placed into
any type of closet or small
enclosure, unless adequate
provisions are made for air exchange
(vented or louvered doors, etc.).
8
To ensure op mal perfor-
mance and servicability, a
minimum clearance of 6
inches must be maintained from all
sides and 6 inches from the top for
access to the air fi lter.
9
Water heaters located in
uncondi oned spaces (i.e.,
garages, basements etc.) may
require the water piping, condensate
piping, and drain piping to be insulated
to guard from freezing.
10
The air fi lter, condensa on
drain and controls must be
easily accessable for opera-
on and service.
11
The site loca on must be
free from any corrosive
elements in the atmosphere
such as sulfer, fl uorine, sodium and
chlorine. These elements are found in
aerosol sprays, detergents, bleaches,
air fresheners, paint and varnish
removers, refrigerants and many other
household products. In addi on,
excessive dust and lint may eff ect the
opera on of the unit, see the Air Filter
Maintenence sec on in this manual.
12
The ambient air temperature
must also be considered when
installing this unit. In Effi ciency
Mode the air temperature needs to be
above 45°F/7.2°C and below
120°F/48.8°C for heat pump opera on.
If the air temperature falls outside
these upper and lower limits, the
electrical elements will ac vate to meet
the hot water demand and the heat
pump does not operate in either
Effi ciency or Hybrid Mode.
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