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45 INITIAL LIGHTING
1.
Check that the system has been filled and that the boiler
is not airlocked. Ensure the automatic air vent screw is
open (N)
2.
Check that all the drain cocks are closed and that the
CH and DHW isolating valves are OPEN.
3.
Check that the electrical supply is OFF.
4.
Check that the gas service cock (I) is OPEN.
5.
Remove screw and swing the control panel down .
6.
Remove the screw in the burner pressure test point (C)
and connect a gas pressure gauge via a flexible tube.
7.
Swing the control panel into its working position.
8.
Ensure that the external CH controls are calling for heat
and set the switch (K) to ON.
Response SE Combi -
INSTALLATION
Installation
LEGEND
A. Gas control valve
B. Inlet pressure test point
C. Burner pressure test point
D. Offset adjuster (sealed)
E. Fan pressure test point (Hi)
F.
Fan pressure test point (Lo)
G. Control panel
H. Display board
I.
Gas service cock (hidden)
J.
On/Off switch
K. Central heating (CH) on/off switch
L. Central heating pressure gauge
M. Flue thermostat (behind sealing panel)
N. Automatic air vent
O. Cover plate
Control panel :
contains digital display and 6 buttons
Button
RESET
MODE
STEP
STORE
UP(+)
DOWN (-)
9. Switch the electricity supply ON.
10. Set the switch (J) to ON.
11. The boiler ignition sequence should now start.
Note. A self check cycle will take place whenever the
RESET button on the control panel is pressed, and also
once every 24 hours without a call for heat, to ensure
movement of the components once a day.
Sequence
Boiler Status
0
No heat request.
1
Fan pre-purge for 8 seconds.
2
Gas valve opens and spark commences.
3
Burner ignition and flame detection (CH).
4
Burner ignition and flame detection (DHW)
Function
Reset of system
Mode of display
Step within the mode
Storage of setting
Increase of setting
Decrease of setting
33
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