Status Display Screens - Lochinvar KnightXL KBN400 Installation & Operation Manual

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)
70
E
(NAVIGATION DIAL)

Status Display Screens

Display
Th e unit has not received a call for heat from a remote thermostat nor
STANDBY
has it received a call for heat from a DHW thermostat.
START Th e unit has begun a burn cycle and is checking all safety circuits.
PREPURGE Th e unit has initiated a prepurge period on a call for heat.
IGNITION Th e unit has begun a spark period to ignite the main burner.
%
Th e unit has fi red and is running at the displayed percentage.
Th e call for heat has been satisfi ed and the unit runs the fan for an
POSTPURGE additional postpurge period to clear the combustion chamber and
vent system of residual fl ue products.
SHUTDOWN Th e unit has been placed in the OFF position.
Th e controlled temperature has exceeded its set point and its off set.
Th e unit has detected a condition that has temporarily interrupted
BLOCKED
the current call for heat.
Room Th ermostat 1 has a call for heat.
Room Th ermostat 2 has a call for heat.
Room Th ermostat 3 has a call for heat.
Th e tank thermostat or sensor has a call for heat.
Indicates which room thermostat demand shows priority.
Th e unit is being controlled by a 0 - 10V BMS signal.
Th e member unit is supplying heat while in Cascade Mode.
Installation & Operation Manual
(CALL FOR
(RIGHT SELECT KEY)
Description
B
HEAT)
F