Section 11: Commissioning
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11.4 Hopper Lid Cut-out Switch
With the power supply to the boiler switched OFF:
•
Set the ON/STANDBY switch on the boiler to STANDBY and
switch the power to the boiler ON.
•
Open the hinged hopper lid and wait.
•
After 5 seconds, the control panel LCD screen will flash and
indicate a ‘Hopper Lid Open’ (Error Code 16) fault.
•
Wait for at least 15 seconds for the fire damper in the pellet feed
system to fully close.
•
Close the pellet hopper lid. The control panel LCD screen will
flash and indicate a ‘Safety Flap Closed’ (Error Code 22) fault.
Wait for 30 seconds, for the fire damper to re-open. The fault
message will automatically disappear from the LCD screen and
‘Standby’ will be displayed.
11.5 Control Settings
The boiler comes with the control system pre-set from the factory.
However, the burner settings should be checked as part of the
commissioning process and recorded on the Commissioning Report
form. Refer to Section 10-12.
With the electrical power to the boiler switched ON and the burner
ON/STANDBY switch set to STANDBY,
•
Check ALL control settings in the ‘Parameter Menu’. Refer
to Section 9.7 for details of how to access and check these
settings.
•
Set the boiler ‘Set Point’ temperature using buttons 4, 5 and 6
on the boiler control panel. Refer to Section 9.5 for detail on how
to adjust boiler setpoint temperature. Refer to Section 1.1 for
required flow and return temperatures.
11.6 Priming the Pellet Feed auger
The pellet feed auger MUST be fully primed BEFORE attempting to
start the boiler. To prime the auger proceed as follows;
•
Check the burner ON/STANDBY switch is set to STANDBY.
•
Access the ‘Service Menu’ (refer to Section 9.6 for guidance).
•
When in the ‘Service Menu’ - press button 2 to scroll down to
‘Prime Auger’ function.
•
Press button 4 to select ‘Prime Auger’ function.
This function has a pre-set maximum time of 5 minutes.
•
Press and hold button 4 for at least 3 minutes or until a steady
stream of pellets are heard dropping into the burner.
•
The control panel LCD screen shows the countdown (time
remaining) from 5 minute start point
•
If necessary the ‘Prime Auger’ function can be repeated, using
the above procedure.
If the priming is stopped during the 5 minutes, the timer automatically
resets to 5 minutes (and this is displayed on the boiler control panel
LCD screen).
11.7 Lighting the Boiler
BEFORE attempting to light the boiler, open the combustion
chamber door and remove aLL pellets from the burner. Close
the combustion chamber door and proceed to lighting the
boiler.
nOtE
!
Ensure that the electrical supply to the boiler is switched ON and that
the heating system controls are operating and are calling for heat. Set
the burner ON/STANDBY switch to ON. The fan will start and pellets
will be delivered to the burner. Refer to Section 9.1 for details of the
burner start-up, running and shut down sequences.
if the boiler On/StanDBY switch is set to StanDBY during
the initial pellet pre-load period, the pellet feed will stop. the
burner may go into post purge with error message ‘False flame’
(and fault code 19) displayed on the control panel LCD screen.
the burner will complete the shut-down sequence before it can
start-up again, even if the On/StanDBY switch is reset to On.
if the On/StanDBY switch is set to StanDBY during the
start-up sequence, but aFtER the pre-load is finished, then
the burner will immediately enter and complete the shut-down
sequence before it can start-up again, even if the On/StanDBY
switch is reset to On.
nOtE
!
After completing the start-up sequence, the burner should be firing
at maximum output. ‘Modulation Level’ is displayed on the burner
control panel LCD screen with all four segments showing (i.e. burner
firing at 100% output).
the interlock on the combustion chamber door interrupts the
power supply to the burner if the door is opened. it DOES nOt
iMMEDiatELY EXtinGUiSH tHE BURnER FLaME. if the burner
door is opened whilst the burner is firing, there can still be a
large uncontrolled flame from the brazier.
!
WaRninG
