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Sales/Spares & Replacement Help Line 01604 762881
15.5 INITIAL
LIGHTING
15.5.1
Check that the system has been filled and the boiler is not air-locked. Ensure the automatic air vent cap
is open.
NOTE: It is important the burner is not operated before the system is fully vented of air.
IMPORTANT: The gas input to the burner is regulated by the gas valve according to the air
fl
ow produced
by the fan. It is not user-adjustable. Any interference to sealed settings on the gas valve will adversely affect
operation and render our warranty void.
15.5.2 Refit the boiler front panel. See paragraph 17.5.
15.5.3 Check that the drain cock is closed and that the CH and DHW isolating valves (A, E, and D) are OPEN.
15.5.4 Check that the electrical supply is OFF.
15.5.5 Check that the gas service cock is OPEN. (C)
15.5.6 Slacken the screw in the inlet pressure test point (H) and connect a gas pressure gauge via a flexible
tube.
15.5.7
Switch the electricity supply ON and check all external controls are OFF. The boiler will select ‘self purge’
15.6 CENTRAL
HEATING
15.6.1 Select the winter mode.
15.6.2 Set the CH temperature to maximum and switch on thermistat. The boiler control should now go through
its ignition sequence until the burner is established.
15.6.3 If the boiler does not light, after 5 attempts the error code E-01 will be displayed.
15.6.4
Reset the boiler (see paragraph 15.3). The boiler will repeat its ignition sequence. If reset occurs 5 times
within 15 minutes then F-15 will be shown. If power is removed this will be reset.
15.6.5 When the burner is established the display will show the ‘flame symbol’.
15.7
DOMESTIC HOT WATER
15.7.1 With the boiler firing, set the DHW Temperature Control to maximum and fully open a DHW tap. The
boiler should continue to run and the display should show the ‘flame symbol’.
15.7.2
Ensure that with the boiler operating the dynamic gas pressure is able to obtain maximum output.
15.7.3
Turn off the DHW tap.
15.8
CHECK THE OPERATIONAL GAS INLET PRESSURE
15.8.1
Set up the boiler to operate at maximum rate by opening hot tap to maximum flow.
15.8.2
With the boiler operating in the maximum rate condition check the operational gas
pressure at the inlet gas pressure test point complies with the requirements.
15.8.3
Ensure that this inlet pressure can be obtained with all other gas appliances in the
property working.
bar
0
1
2
3
service
FIGURE 26. QUANTEC COMBI LCD DISPLAY
FIGURE. 27
K7
K1
K6
K2
K3
K5
K4
Item
Description
K1
CH - Central H
K2
CH - Central Heating -
K3
Installer information
K4
Reset
K5
Summer/Winter mode
K6
DHW - Domestic Hot Water -
K7
DHW - Domestic Hot Water +
15.3 RESET PROCEDURE
To reset boiler press the reset
button ‘K4’ twice.
15.4 TEST
MODE
15.4.1
To put the unit into test mode, press and hold K1 & K2 for 5 seconds.
15.4.2
Using K1 and K2 to select the required setting.
15.4.3
To reset press “K4” button twice.
