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TO LIGHT THE BOILER
Before turning the boiler on, make sure that the installation is
filled with water.
The initial start-up shall be performed by a qualified
professional.
Carry out the start-up operations in the order indicated below:
-
Switch on electrical supply to boiler.
-
Open the main gas shut-off valve.
-
Press and release the safety control box (14) reset button.
-
Check the position of the 3-position switch (1):
-
Set the Summer / Winter switch (2) to the "Winter"
position.
-
Set the controls (thermostats (5), regulator) so that heat is
required. Ensure all system controls are calling for heat.
-
The 1st stage thermostat always must be set to a value
o
approximately 5
C higher than the 2nd stage thermostat.
-
Set the ON/OFF switch 3 to the "ON"
-
The ignition burner will light followed by the main burner.
-
If it does not light the red alarm indicator (14) lights up.
Press in and release the Safety Control Box reset button
(14). The controls will reset and attempt to light.
TO SHUT DOWN THE BOILER
Turn the boiler off at the time clock or system controls. Wait 3
min. and then set the ON/OFF switch (3) to OFF 'O' position.
Note the frost warning below.
TO RELIGHT THE BOILER
After short periods
Switch on the time switch or system controls and set the ON/
OFF switch (3) to
. The boiler will light providing the external
controls are calling for heat.
After long periods
Follow the lighting instructions above. Refill the system if it has
been drained.
CAUTION.
To avoid the possibility of injury during the use or cleaning of this appliance care
should be taken when handling edges of sheet steel components.
Concord ES 140-380/H -
position.
User's Guide
FROST WARNING
If frost is likely, leave the boiler thermostat at a reduced
temperature setting and do not turn off the gas cock. Ensure
external controls allow the boiler to operate if necessary. Note that
this may not protect remote parts of the system, in which case a
separate frost thermostat should be fitted or the system drained
and the boiler shut down, as for Long Periods.
IN CASE OF PROBLEMS
Items to check before calling your service agent.
The burner does not start:
-
Boiler thermostat(s) (5): check the settings.
-
Safety thermostat (9) might be switched off due to accidental
overheating. To restart the boiler, remove the protecting cap of
the reset button located on the safety thermostat (9) and press
the button using a screwdriver.
-
Safety control box malfunction: Press the reset button (14).
Contact your service agent
The burner operates, but the radiators are cold:
-
Vent the radiators and fill up with fresh water.
-
Make sure the heating pump operates correctly.
-
If you need frequently to refill the installation with fresh water,
contact your service agent.
-
Check the position of the test switch.
3
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