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• Disconnect electrical power to the water heater.
• Remove the pail of cleaning solution and replace it with
a pail of clean water.
• Rinse the cleaning solution from the water heater as
follows:
• Connect the electrical power to the water heater and
run the heat engine.
• Allow the clean water to fl ow through the heat engine
for 5 minutes.
• Disconnect electrical power to the water heater and
circulating pump.
• Disconnect the hoses from the heat engine.
• Disconnect hoses and circulating pump, draining the
cleaning solution into the pail.
• Reconnect the original hoses to the tank.
• Remove the in-line fi lter at the cold water inlet and
clean out any residue. Assemble the fi lter back into the
unit.
• Open the shutoff valves on both the hot water and cold
water lines.
• Fill the tank with water.
• Connect the electrical power to the water heater.
• Restart water heater following lighting instructions.
DRAINING THE TANK
The water heater should be drained if being shut down
during freezing temperatures. Also periodic draining and
cleaning of sediment from the tank may be necessary.
Set the power switch to the “OFF” position.
OPEN a nearby hot water faucet and let the water run
until it is no longer hot.
CLOSE the cold water inlet valve to the water
heater.
Connect a hose to the drain valve and terminate to
an adequate drain.
OPEN the water heater drain valve to allow for tank
draining. NOTE: If the water heater is going to be
shut down and drained for an extended period,
the drain valve should be left open with hose
connected allowing water to terminate to an
adequate drain.
CLOSE the drain valve.
Follow instructions in the “Filling The Water Heater”
section.
Follow the lighting instructions on the label or see
“Lighting Instructions” in this manual to restart the
water heater.
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8.
FAULT INDICATION AND ERROR CODES
A red fault LED (lighting a large red exclamation point)
should be present on the display panel if a fault condition
exists.
A history of the last 9 error codes along with the current
error code is stored in memory and can be accessed via
the maintenance mode. If the current error code is zero,
“E00” shall be displayed (see Table 4).