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INSTALLATION
Post Installa on Review
Understand how to use the
1
User Interface Module to set
the various modes and
func ons.
Hybrid Mode is the recom-
2
mended Opera ng Mode.
Understand the various
Opera ng Modes and which mode
may be best, based on ambient
temperature and hot water demands.
Understand the importance of
3
rou ne inspec on/ mainte-
nance of the condensate drain
pan and lines. This is to prevent any
possible drain line blockage resul ng in
the condensate drain pan overfl owing.
NOTE: If water is coming from the
overfl ow slot of the condensate drain
access cover, this indicated that both
condensate drain lines may be blocked
and immediate ac on is required.
Drain Access Cover
Secondary Drain
Primary Drain
Overflow Slot
Figure 24 - Condensate Drain Access
Cover
To maintain op mal opera-
4
on, check, remove and clean
the air fi lter as needed.
The Installa on Instruc ons
5
and Use and Care Guide
should be kept with the water
heater for reference.
Water Temperature Ad-
justment
The water temperature can be
adjusted from 95°F / 35°C to 140°F /
60°C. Use the Up and Down Bu ons
on the front panel
to set the desired temperature (see
Figure 25). The se ng temperature
will blink on the display, press Mode/
Enter bu on to confi rm.
The water temperature can be
adjusted quickly by pressing the
"Temperature Up" bu on and holding
for three seconds.
NOTE: Before a emp ng to adjust
the thermostat, read the "Water
Temperature Regula on" sec on. If
the instruc ons are not clear, contact
a qualifi ed person.
NOTE: For increased water demand,
switching (temporarily) to Hybrid
Mode or Electric Mode will decrease
the recovery/re-heat me. Be sure to
switch back to the desired opera onal
mode when fi nished.
Opera ng Mode De-
scrip ons
The opera ng modes can be changed
sequen ally by pressing the Mode/
Enter bu on (Figure 25). The
Opera on Mode Indica on Light will
turn on when the relevant mode is
selected.
This unit is equipped with technology
that senses the hot water demand
from the unit. While in Effi ciency or
Hybrid mode, during normal usage,
the unit will operate the heat pump
for maximum effi ciency. In mes that
the water usage is above normal, this
Residen al Hybrid Electric Heat Pump Water Heater Use and Care Guide • 17
unit has the ability to use one element
(upper or lower) and the heat pump
simultaneously to help improve
recovery. This transi on is seamless
and will go unno ced.
Efficiency Mode -
Provides the highest efficiency and
lowest cost operation by using only
the heat pump for heating. Recovery
time and efficiency will vary with
ambient temperature and relative
humidity. Efficiency will be greatest,
and recovery quickest, when both
are high. At lower temperatures and
relative humidity levels, efficiency will
be lower and recovery will take longer.
Heat pump operation is allowed
between 45°F / 7 °C to 120°F / 49°C
ambient temperature. At ambient
temperatures lower than 45°F / 7 °C
and greater than 120°F / 49°C, the
heat pump will not operate. Similarly,
if the water temperature in the tank is
less than 59°F / 15°C, the heat pump
will not operate. The unit will operate
in electric mode until ambient and
water temperatures return to the safe
operating range of the heat pump.
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