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ØShut off the cold water inlet valve.
Øopen all hot water taps and drain the unit.
ØDisconnect all inlet and outlet water
connections.
ØConnect the outlet of a circulating pump to
the water inlet.
ØUse a second line to connect the hot water
outlet to your descaling reservoir.
ØUse a third line to connect the reservoir
with the inlet of the circulating pump.
ØMake sure all connections are hand-tight.
Øfill tank with descaling solution (white
vinegar or commercial solution).
Øoperate the circulating pump.
Ørun solution through the heat exchanger
until it comes out clear.
ØDisconnect all lines and drain the unit.
Øflush the unit with cold water.
ØShut off all valves, reconnect hoses, and
return the unit to service.
f. sToraGe ProCeDUres
Øslide the gas valve slider all the way to the
left to extinguish pilot.
Øallow the unit to cool.
ØClose the manual gas shutoff and the valve
on your propane tank.
ØClose the cold water inlet valve.
Øopen a hot water tap and allow pressure to
drain from the unit.
ØDisconnect the propane hose.
ØDisconnect all water lines from the unit.
Øopen all valves and drain the unit
completely (see section D5).
ØDrain all hoses of remaining water.
Øallow the hoses and heater to dry out
before being put into storage.
G. TroUblesHooTinG
Pilot does not light
ØVerify the flow of gas. Check all valves and
fittings
Ørepeatedly push the ignitor button to
confirm that a spark is being created.
9
Øensure that the gas valve is in the ignition
(center) position.
Øreprime the system and follow the lighting
instructions (see section D)
Øinspect and clean the pilot (see section e).
Pilot light ignites, but goes out when gas
valve is released
ØDepress the gas valve fully for 20 seconds
after the pilot is lit.
Øslide the gas valve slider all the way to the
right (highest flame).
Øinspect and clean the pilot (see section e).
Pilot goes out during or after hot
water use
ØThe unit's safety heat sensor may have
been tripped. if inlet water is above room
temperature, the unit may overheat. Plumb
inlet with cold water only.
ØThe unit may not be venting properly.
ensure that the upper and lower vents are
clear of debris and have sufficient airflow.
Øinspect and clean the pilot (see section e).
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