Watter Saver HPWH500AAOC Installation, Operation And Maintanance Manual - page 12
Made In Rome, NY, USA
Watter$aver Heat Pump Water Heater
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1. Disconnect power to the unit.
2. Close the cold water inlet valve and open a nearby
hot water faucet.
3. Connect a hose to the drain valve and terminate it
at an adequate drain.
4. Open the drain valve and allow the tank to drain,
periodically opening and closing the cold water inlet
valve to flush sediment from the tank.
5. When clear water is observed coming from the drain
hose, close the drain valve and disconnect the hose.
6. Remove and inspect the anode rod and replace if
necessary.
7. Open the cold water inlet valve to refill the tank with
water.
8. Close the hot water faucet when water begins flow-
ing from it.
9. Restore power to the unit.
10. Refer to “Start Up Procedures” in this manual.
IMPORTANT: If the water heater is going to be shut
down for an extended period, the drain valve should be
left open.
DANGER
Water draining from the Watter$aver Heat Pump Wa-
ter Heater will be hot and can result in an injury by
scalding. Do not allow anyone to come in contact with
draining water!!
WARNING
Sediment build-up and mineral deposits may cause
premature tank failure. Drain and flush the tank as noted
under “Draining and Flushing” in these instructions.
WATTER$AVER TROUBLESHOOTING GUIDE
UNIT DOES NOT TURN ON
AFTER WIRING IS COMPLETE
Insufficient Power From Breaker. Verify 208/240 VAC
power source with a 30 amp breaker.
Breaker In “OFF” Position. Turn breaker to “ON” posi-
tion.
Wiring May Be Incorrect. Verify wiring with wiring dia-
gram.
High Temperature Cutout Switch Is Open. Reset high
temperature cutout switch by removing top element cover
and pushing the red “reset” button until it clicks.
Defective Control Board. Replace control board.
Defective High Temperature Cutout Switch. Replace
high temperature cutout switch.
COMPRESSOR WILL NOT TURN ON
Manual Bypass Switch On Control Board Is In The
“Elec” Position. Switch manual bypass switch to the “HP”
position.
Ambient Conditions Outside Heap Pump’s Operating
Range. Heat pump designed to operate in ambient con-
ditions above freezing.
Wiring May Be Incorrect. Verify wiring with wiring dia-
gram.
HIGH TEMPERATURE CUTOUT
SWITCH ACTIVATED
Defective Upper Or Lower Temperature Sensors. Replace
temperature sensor(s).
Defective High Temperature Cutout Switch. Replace
high temperature cutout switch.
Defective Control Board. Replace control board. (See
warranty.)
Wiring Of Upper Or Lower Temperature Sensor May
Be Incorrect. Verify wiring with wiring diagram.
Stacking. See “Stacking” on page 10.
EVAPORATOR FROSTING OR ICING
Defective Evaporator Temperature Sensor. Replace
evaporator temperature sensor.
3 Mos. 6 Mos. 9 Mos.
1 Yr.
Check for leaking or damaged
water piping
x
x
x
x
Check for proper ground
connection and frayed or loose
x
x
x
x
Check for presence of flammable
materials in the installation area
x
x
x
x
Drain and flush tank
x
x
Check anode rod
x
x
Clean air filter
x
x
WATTER$AVER INSPECTION
Action
Every