10
Boiler Control Display
Error (Hard Lockout) Mode
If a system fault occurs while the boiler is running,
the system goes into lockout and the display starts
to flash with the first digit as an E and the next two
digits give the code for this fault.
For a detailed description of the error codes, refer-
ence the PRESTIGE Trouble Shooting Guide.
During a hard lockout or low water c o n d i-
tion the boiler will not re - s t a rt without serv-
i c e . If the heating system is left unattended
in cold weather a p p ropriate safeguards or
alarms should be installed to prevent pro p-
e rty damage.
Boiler Freeze Protection Feature
The boiler control has an freeze protection feature
built in. This feature monitors the boiler tempera-
ture and responds as follows when no call for heat
is present.
- 45ºF Boiler circulator is ON
- 37ºF Boiler circulator is ON and burner
operates at low fire.
- 50º Burner OFF and boiler circulator oper-
ates for approximately 10 minutes.
The boiler freeze protection feature is dis-
abled during a Hard Lockout.
CAUTION
WARNING
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