40
INITIAL LIGHTING
LEGEND
A On/Off switch
B CH Thermostat knob
C Reset button
D Burner On Neon
E
F Injector pressure test point
G Inlet pressure test point
H Gas service cock
PLEASE NOTE: The combustion for this appliance has
been checked, adjusted and preset at the factory for
these instructions.
relevant seals.
1.
boiler is not air locked.
Note. It is important the burner is not operated before
the system is fully vented of air. If it is necessary to
operate the system pump to assist venting of the air
this must be done with the gas service cock turned off.
2. Check that all drain cocks are closed and any valves
3. Check the electrical supply is off.
4. Check the gas service cock is open.
5. Check that the boiler on/off switch (A) is OFF
6. Slacken the screw in the inlet pressure test point (G)
7. Switch the electricity supply ON and check all external
controls are calling for heat.
8. Set the boiler thermostat knob (B) to maximum and
switch the boiler on/off switch (A) to ON. The boiler
control should now go through its ignition sequence
until the burner is established.
9. If the boiler does not light after 3 attempts the fault
codes L’ ‘F’ will be displayed. Press the reset button
(C); the boiler will then repeat its ignition sequence.
10.
CHECK THE OPERATIONAL (WORKING) GAS INLET PRESSURE
With the boiler operating in the maximum rate condition check that
the operational (working) gas pressure at the inlet gas pressure test
point (G) complies with the requirements of “Gas Supply” on page 8.
appliances in the property working.
N.B. mexico
HE range is able to deliver their full output at inlet pressures down to
14mb. However if dynamic pressures below 20mb are experienced
ensure this is adequate for ALL other gas appliances in the property.
IMPORTANT.
The gas input to the burner is regulated by the gas valve
according to the air 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.
11. Switch OFF the boiler on/off switch.
12. Remove the pressure gauge and tube. Tighten the sealing screw in
13.
THE DISPLAY
The user control has one neon and one display to inform the user
Below is a list with display function in normal operation.
Standby. No demand for heat present.
Boiler is active for central heating or domestic hot water.
alternating with a number or letter to show which error is detected.
alternating with a number or letter to show which error is detected.
3 degrees.
mexico HE15, HE18 & HE24 mexico HE30 & HE36
INSTALLATION
To Next Page
Loading...
Need help?
General
