Install Instructions

48
Start-Up Procedures
- 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 and 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 verifi-
cation is completed, ensure the manual
shut off valve is returned to the open
position.
[
4] This is the normal DHW operation
cycle. The control module will begin to
modulate the burner firing rate based on
actual DHW set point temperature. The
DHW water temperature is displayed in
the main display.
5. Turn off the domestic hot water faucet to
end the call for heat.
[
1] This begins a post purge cycle. The
control module closes the gas valve and the
blower continues to operate for approxi-
mately 10 seconds.
6. Verify the DHW operation by repeating the
outlined operation sequence several times.