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3.3
BEFORE SWITCHING ON
Before switching the appliance on, please familiarize yourself with:
- how to isolate the appliance from the gas, water, and electrical
supplies;
- how to check and top-up – if necessary – the system water
pressure;
- any external thermostats and their functions;
- the appliance controls.
3.4
APPLIANCE CONTROLS
NOTICE
The appliance frost protection is active in all the boiler modes.
The control panel functions can be used to vary the temperature of
the water that circulates around your heating system and the water
that flows from your hot water taps.
The heating temperature range can be adjusted between 68°F
- 113°F (20°C - 45°C) (for low temperature) or 68°F - 180°F
(20°C - 82°C) (for high temperature) this range is configured by
your installer and the default is the high temperature range. The
domestic hot water temperature range can be adjusted between
99°F - 140°F (37°C - 60°C).
NOTICE: the actual delivery temperature is also conditional upon
the incoming water temperature and the actual flow-rate at the
outlet.
Refer to the section "3.13 ACCESS TO THE INFO MENU" for fault
indicator and boiler status.
3.5
LIGHTING THE BOILER
1
Set the thermostat to lowest setting.
2
Turn off all electric power to the appliance.
3
This appliance is equipped with an ignition device which
automatically lights the burner. Do not try to light the burner
by hand.
4
Turn external gas shutoff valve clockwise to close valve to the
full OFF position.
5
Wait five (5) minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP!
6
Turn gas shutoff valve counterclockwise to open valve to the
ON position.
7
Turn on all electrical power to the appliance.
8
Set thermostat to desired setting.
9
If the appliance will not operate, follow the instructions to "Turn
Off Gas To the Appliance" and call your service technician or
gas supplier.
After completing all operations required to prepare commissioning,
proceed as with the instructions in sections "3.6 PROGRAMMING
THE BOILER" and "3.7 INITIAL START-UP" sequentially to
complete lighting the boiler.
3.6
PROGRAMMING THE BOILER
− Plug the boiler into a wall outlet. Turn on the breaker for the
outlet.
"Start-up phase" activates to check the display function. On the
display, the following checks will happen:
- Display functionalities: all icons available and the sliding
"
*****
" text will appear. Press the "MODE/OK" button in order
to stop the display testing
Display firmware version: e. g. FW0.1 (no actions are required)
-
*****
- Set language. Rotate one of the two dials to choose the preferred
language ("ENG" default)
- press the "MODE/OK" button in order to confirm. If the "MODE/
OK" button is not pressed, the default language is left set up.
- After the "Start-up phase", "WAIT COMM." will always
appear, which means that the SC07 front control is waiting
for communication with the boiler. After which, the "Operation
phase" starts: in this phase it is possibile to perform all the
supported actions (with the exception of language selection).
The controller stays in the "Operation mode" for 60 seconds
starting from the last time a knob was rotated or a key was
pressed. After 60 seconds has expired, the controller goes into
a "Stand-by" mode, backlight OFF. If there is a knob rotation or
a button pressed the device goes back to the "Operation mode",
backlight ON, for a period of 60 seconds.
AIR PURGING FUNCTION
NOTICE: Each time the boiler is started up an automatic air
purging cylce is carried out; lasting 2 min. When the air purging
is in progress, all heat requests are inhibited and the sliding "AIR
PURG." message appears.
3.7
INITIAL START-UP
- Rotate the system's master switch to the "on" position. Plug the
boiler into a wall outlet.
- Open the gas tap to allow fuel to flow.
- Adjust the room thermostat to the desired temperature
(~72°F/22°C) or, if the system is equipped with a programmable
thermostat, set the occupancy temperature to the desired
temperature. Ensure that the thermostat is "active" and set
correctly (~72°F/22°C)
- Then press the "MODE/OK" button repeatedly to select CH or
CH/DHW mode
8
FWX.Y
ENG
ENG
AIR P
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