11
USER’S INFORMATION MANUAL
SFT SERIES WATER HEATERS
6. If the burner is on to maintain the heat exchanger temperature for DHW
Comfort mode (Service Display = 7).
7. If the burner is on for frost protection (Service Display = 9).
MAIN
DISPLAY
LIT
DISPLAY
DESCRIPTION
OFF - The unit is OFF. Press the space above the white button
to turn on the unit
.
(blank) (blank) No Call for Hot Water - Standby
XXX 2 Self-test – When power is applied to the unit 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
+
Heating – DHW
XXX 7 Burner on for Comfort mode
XXX
9
Freeze Protection mode
Table 2: Operating Display and Service Display Codes.