Proper Use - Quietside QVM 9-090W1-NG Manual

Before Using
■ Check for gas leaks by using
soapy water.
■ Check ventilation (air discharge
and inlet).
Open the gas supply valve
Wire the unit to 115V 60Hz AC.
■ When the conditions for heating
and hot water are fully set. The
"HEAT ON" lamp will light and
the water heater will run.
Notes for Ignition
■ If the water level is below a safe
level, the "Check" lamp will be
lit and the water heater will not
run. The water supply valve
should always be open so that
the auto water filling valve can
operate.
■ When the "Check" lamp is lit,
an error code is indicated on
the temperature indicator.
Contact the service center
or your dealer.
QVM 9
Series

Proper Use

Use the selector button according to the applications.
■ Heating will start when either
the room or water temperature
falls below the set point.
■ If
required during a heating cycle.
The unit will switch over from
.
heating to provide domestic
hot water.
■ When the use of hot water is
stopped. The unit automatically
converts back to the heating
mode.
■ If hot water is to be used
without heating, press the
"SUMMER" button on the
room thermostat.
When the water heater is not used
■ Disconnect the water heater.
■ Drain the water in the water heater by opening the
drain or discharge valve (to prevent freezing in winter).
■ Close the water supply valve
and open the hot water tap to
drain water in the hot water
piping to prevent freezing in
winter.
■ Close the gas supply valve.
If the water heater not to be used for a few days,
selecting the "Away from Home Saving" mode will be
more effective and convenient in preventing freezing.
In this case, do not disconnect the water heater.
10
domestic hot water
for a Prolonged Period
CAUTION
is