11
USER’S INFORMATION MANUAL
DC/HC SERIES BOILERS
OPERATING AND SERVICE
DISPLAY CODES
MAIN
DISPLAY
SERVICE
DISPLAY
DESCRIPTION
(blank)
-
The boiler is OFF. Press the On/Off button to turn
on the boiler
(blank)
(blank)
No Call for Heat - Standby
XXX
0
Boiler pump running – pump post purge
XXX
1
Boiler water temperature reached target – boiler pump is
energized, call for heat still present
XXX
2
Self-test – When power is applied to the boiler the
controller enters a self diagnostic mode for 5 seconds
XXX
3
Fan Pre-purge , Inter-purge and Post-purge
XXX
4
Trial for Ignition and Flame Proving
XXX
5
Heating – Space Heating
XXX
6
Heating – DHW
XXX
7
Burner on for Comfort mode or Freeze Protection mode
Table 4: Operating Display and Service Display Codes.
Summary of Contents for DC Series
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