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11
Operating information
Figure 11-2 Status Display Screen
A
(BOILER
STATUS)
C
(OPERATIONAL
INFORMATION)
D
(LEFT SELECT
KEY)
Section
A
(Boiler Status
Bar)
B
(Call for Heat
Indicators)
(NAVIGATION DIAL)
Status Display Screens
Display
STANDBY
START
PREPURGE
IGNITION
%
POSTPURGE
SHUTDOWN
BLOCKED
Installation & Operation Manual
(continued)
E
Description
The unit has not received a call for heat from a remote thermostat nor
has it received a call for heat from a DHW thermostat.
The unit has begun a burn cycle and is checking all safety circuits.
The unit has initiated a 10 second purge period on a call for heat.
The unit has begun a 4 second spark period to ignite the main burner.
The unit has fired and is running at the displayed percentage.
The call for heat has been satisfied and the unit runs the fan for an
additional 10 seconds to clear the combustion chamber and vent
system of residual flue products.
The unit has been placed in the OFF position.
The controlled temperature has exceeded its set point and its offset.
The unit has detected a condition that has temporarily interrupted
the current call for heat.
Room Thermostat 1 has a call for heat.
Room Thermostat 2 has a call for heat.
Room Thermostat 3 has a call for heat.
The tank thermostat or sensor has a call for heat.
Indicates which room thermostat demand shows priority.
The unit is being controlled by a 0 - 10V BMS signal.
The member unit is supplying heat while in Cascade Mode.
B
(CALL FOR
HEAT)
F
(RIGHT SELECT KEY)
69
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