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2 CONTROL OF WATER TEMPERATURES
The water temperature may be controlled by the following control settings:
1.
Boiler flow temperature (CH)
2.
DHW (boilers fitted with DHW sensor)
Settings below positions 4 (CH) and 6 (DHW) are NOT RECOMMENDED.
TO LIGHT THE BOILER
Before turning the boiler on, make sure that the installation is
filled with water.
Carry out the start-up operations in the order indicated below
(Refer to Frame 1 for Identification):
-
Check electrical supply to the boiler is OFF.
-
Open the main gas shut-off valve.
-
Press and release the safety control box (2) reset button.
-
Set the Summer / Winter switch (3) to the "Winter"
position.
-
Press and release the safety thermostat button (4) (under
the cap).
3 DISPLAY FEATURES
MESSAGES - ALARMS
Message
Failure
Installation stops Boiler
Installation
continues to
operate but DHW
no longer heated
No DHW
Boiler not operating:
-
Check boiler thermostat settings (7 and 12).
-
Check safety thermostat (4), reset.*
-
Check burner alarm (2), reset.*
-
Check circuit breaker (5), reset.*
* Call engineer if repeat malfunction.
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 ESi 140-380 -
The display may show the following messages in the case of a malfunction:
Component
Probable Cause
The corresponding
sensor
sensor circuit is
interrupted or is short
DHW
circuited
sensor
AD212 kit
The calorifier is
connector
empty or incorrectly
fitted AD212 kit
connector
User's Guide
Ctrl. Position
Approx. Temp.
3 to 9
30
0
C to 90
1 to 8
10
0
C to 80
-
Set the pump shutdown switch (6) to
-
Set the boiler thermostat (7) to the desired setting. Ensure all
system controls are calling for heat.
-
If the boiler provides DHW also, set the DHW thermostat (12)
to the desired setting (6 recommended).
-
Switch on the electricity supply to the boiler.
-
Set the ON/OFF switch (1) to the "ON"
-
The ignition burner will light followed by the main burner.
-
If it does not light the red alarm indicator (2) lights up. Press
in and release the reset button (2). The controls will reset
and attempt to light.
Remedy
Inform the
If the power supply is interrupted with
installer
an
is taken then, when the power is
resumed, the boiler will restart but
continue to operate in a C
and alarm
Fill the calorifier
The DHW may be reactivated for 24 hours
or check
by disconnecting and reconnecting the
connector is
power supply to the boiler.
properly fitted.
Check that the connector supplied in
the AD 212 kit (DHW Sensor), which
Check that there
has a 22k Ohm resistance and a
is no short circuit
100nF capacitor fitted, is correctly
or the
connected to terminals 25 and 26.
connections are
made correctly
Note.
In DHW mode the boiler flow
0
C
temperature will automatically
0
C
be controlled by the DHW
temperature limiter.
.
position.
Notes
alarm and no corrective action
H mode only
will NOT be displayed.
3
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