Garanterm Ravi HM 28 Manuel d'installation et d'utilisation - Page 14
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Garanterm Ravi Conventional Combi Boiler Installation and User's Manual
4
SWITCHING ON THE BOILER
Before starting the boiler ensure electric, gas and
water connections are properly made and the
appliance is supplied with correct power as stated
in the data plate.
a. Open power supply connection.
b. Turn gas cock to open position.
c. Turn on-off button to Summer or Winter mode at
your discretion to put the appliance in operation.
The on-off button serves also Summer/Winter
mode selection button. Figure 1
WARNING: In summer mode the boiler does not
start unless a hot water tap is opened.
d. Start the boiler by adjusting to your desired
temperature through temperature adjustment
buttons. (When the temperature adjustment button
is used the temperature adjustment is flashes on
the display and temperature adjustment changes
with 1°C steps . When you have adjusted the
desired temperature the LED display returns to
the previous status after 5 seconds.)
WARNING: When the boiler is first started the
boiler may show ignition failures and go into
block several times till the air in the gas supply
line is evacuated. In that case turn on/off button
to "Off" position and wait for 3 seconds to restart
the boiler.
Figure 1
Digital
Heating Water
Display
Temperature Adjustment
CH Symbol
DHW Symbol
Multiple Function Indicator
14
Summer/Winter mode selection;
When it is not required to use Central Heating mode
of the boiler, the appliance may be turned to Summer
mode sole to produce Domestic Hot Water. In order
to set Summer mode turn "on/off" button to (
position.
WARNING: When the appliance is "Off" position
pump anti blocking safety is active, anti-frost
protection is not active.
a. When the appliance is in Summer mode and
b. When the appliance is in Winter mode the display
Domestic Water
Temperature Adjustment
WARNING: When the boiler switches on after a
heat demand (when the burner is on), (
is show in the display.
Filling water is supplied through the filling valve
located in the bottom of the boiler, Figure 3. When
the boiler is cold the installation should be filled such
Manometer
that the manometer located in the front of the boiler,
(Figure 2) indicates a water pressure between 1-1,5
bar. When the pressure drops to the critical level the
Burner Burning Symbol
Fault Warning Indicator
appliance shuts-off automatically.
DAILY OPERATION OF
5
THE BOILER
operates only for hot water production the display
shows (
) sign. To set hot water temperature
you may turn (
) button in parallel to the
thickness of the adjustment line and by observing
the temperature on the display for the desired
temperature.
In Summer mode pump anti blocking safety and
anti-frost protection are active.
shows (
) and (
(
) the mode selection button should be
between "min" and "max" points.
To set central heating temperature you may turn
(
) button from max. to min. by observing
the temperature on the display for the desired
temperature.
To set hot water temperature you may turn
(
) button in parallel to the thickness of the
adjustment line and by observing the temperature
on the display for the desired temperature.
With winter mode pump anti blocking safety and
anti-frost protection functions are active.
6
FILLING THE BOILER
). To set this mode;
) sign
)