27
QVM 9
Series
1. Press the “SUMMER” button. The room temperature
will be displayed on the L.E.D. temperature
indicator. (Note! – Home heating function will stop)
2. If you wish to stop the “Hot Water” mode, re-press
the “SUMMER” button. And if you want to choose
other functions, press the desired selector buttons.
After using summer mode, the other selector
switches must be pressed for additional functions
and to cancel the “SUMMER” mode of operation.
CAUTION
This unit is not designed for heating portable water.
It is not recommended to use this unit for making hot
beverages.
1. If the water heater cannot run due to a failure in
the temperature control, call for service. The two
wires at the back of the room thermostat may be
connected together for emergencies. A specific
heating water temperature will be automatically
set and the unit will start (To stop the unit, the
wires must be disconnected).
2. When a malfunction occurs, press the “HEAT ON”
button to turn the water heater “OFF”. When the
malfunction has been repaired, press the button
“HEAT ON” again and then choose the desired
function.
Table- Error Codes
Using the Thermostat, FR-5
Operating for Domestic Hot Water mode
during Summer Season :
VE E
E
Y in
UMME
Miscellaneous
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