Install Instructions

39
Start-Up Procedures
Appliance ON/OFF
1. The appliance operation is started using the
ON/OFF button.
2. When appliance is in operation, the green
LED above the ON/OFF will be lit.
3. When the appliance is not in operation, the
green LED above the ON/OFF will not
be lit. The main display will show “OFF”
and the operating display will show .
Set Boiler Maximum Central Heating (CH)
Set Point Temperature
1. Press the CH/DHW/Parameter button “ ”
at the display panel for approximately 2 to
3 seconds until the radiator symbol “ ”
(CH) LED, lights up and the main display
begins to flash.
2. Press the or buttons to set the desired
maximum temperature setting on the main
display.
3. Press the reset button to close the set-
ting menu and store the changes.
If the reset button is not pressed with-
in 30 seconds, the settings menu is auto-
matically closed and the changes are
stored.
If the ON/OFF button is pressed prior
to the reset button, the settings menu
is closed and the changes are NOT
stored.
Operation Verification - Space Heating
Digits and characters shown in brackets
[
0], in the following outline, represent
the control module operating display.
1. Set the room thermostat to the lowest setting.
2. Turn off power to the appliance, wait a few
seconds and turn on power to the appliance.
3. The following operating displays should
occur:
[
A] Self check on power up
[ ] No call for heat
4. Initiate a call for heat by raising the set
point of the room thermostat to the highest
setting. The following operating display
should occur
[
1] This is the prepurge cycle. The burner
blower and the boiler circulator become
energized. The blower has a 5 second pre-
purge cycle.
[
2] This is the ignition cycle. The control
module will energize and open the gas
valve and begin the spark for ignition.
- If the burner flame proves, the burner
will begin to modulate.
- If the burner flame is not established
the control module will repeat the igni-
tion sequence after approximately 15
seconds . If the flame is not established
after four attempts the control will
lockout. The main display will
show [
4] and the fault LED above the
reset button will flash and [E] will
flash in the operating display.
- To verify flame failure safety lockout,
close the manual shut off valve on the
gas supply piping to the appliance and
repeat ignition sequence. When verifica-
tion is completed, ensure the manual shut
off valve is returned to the open position.
[
3] This is the normal Central Heating
(CH) operation cycle. The control module
will begin to modulate the burner firing
rate based on actual appliance outlet tem-
perature and the set point temperature.
The CH water temperature is displayed on
the main display.
5. Allow the appliance to operate and the boil-
er outlet temperature to reach the set point
temperature.
NOTICE
NOTICE