49-50300-2
17
Installation Instructions
INST
ALLA
TION INSTRUCTIONS
INSTALLATION CHECKLIST
1
.
Tank location:
±'RHVURRPVL]HUHTXLUHORXYHUHGGRRUGXFWLQJNLWRUVLPLODUYHQWLODWLRQ"¶[¶[¶FXIW
cu.m.) or 240 square inches (0.15 m
2
) open air-flow area needed.
– Back of unit
away from wall
by 7 inches (17.5 cm), and sides have at least 7 inches (17.5 cm)
clearance. (6 inches (15.2 cm) clearance for earthquake strap installations, with additional clearance on
the opposite side of the unit.)
–
Front
of unit is free and clear.
– Is the water heater
level
? If no, add shims under the base of the unit to ensure proper function of
sensors.
2.
Verify
Air Filter
is installed. (Located in packaging).
3. Plumbing connections:
– (700 cu.ft. / 19.8 cu.m.) or 240 square
– Does not prevent
air filter
removal.
– No leaks after
filling
the tank with water, either when water is flowing or not.
4. Condensate lines are in place:
±0DLQIOH[LEOHRUULJLGGUDLQOLQHLQVWDOOHGDQGGLUHFWHGWRDGUDLQRUFRQGHQVDWHSXPS5HGXFHUILWWLQJVDUH
not
recommended.
5
.
Temperature and pressure-relief valve
is working and drain line completed per local code.
6
.
Electrical
verify 208/240 VAC to L1 and L2 at tank.
7. Electrical
connection does not prevent air filter removal.
8.
Verify
control panel
displays 120°F (49°C) Hybrid mode. Assist user in how to adjust temperature and
PRGHVVHH³:DWHU7HPSHUDWXUH$GMXVWPHQW´VHFWLRQRQSDJH
WHAT TO EXPECT FOR “NORMAL STARTUP” IN HYBRID MODE
After the unit has been installed, with all electrical and water connections secure and checked, then the unit
should be filled with water (vent tank by opening a hot water faucet somewhere in home to allow tank to fully fill
ZLWKZDWHU2QFHWDQNLVIXOODQGSRZHULVHQHUJL]HG\RXPD\H[SHULHQFHWKHIROORZLQJ
Elapsed Time
HEWH Actions
Comments
0 to 2 minutes
Unit will go through self-check.
Fan will turn on after 1 minute.
This 2-minute off-time prevents compressor
damage. A clicking noise may be heard during
startup.
2 to 22 minutes
Compressor turns on. Fan contin-
ues to run.
This 20-minute period is used to ensure the
tank is full of water (Dry-fire prevention algo-
rithm).
22 minutes and
beyond
Compressor turns off (Fan will
run for 20 minutes after any
compressor operation). Normal
heating operation resumes.
The water heater is operating in Hybrid mode.
Quickly provides initial amount of hot water
with heating elements, then switches to effi-
cient heat pump for majority of heating.
NOTE: The heat pump operating range is 35°F to 120°F (2°C to 49°C). If the ambient temperature is outside of
this range, the heat pump will turn off and the electric elements will be used until the ambient temperature returns
to within the operating range.
Summary of Contents for GEH50DFEJSR
Page 23: ...49 50300 2 23 NOTES Notes ...
