Status Display Screens - Lochinvar FTxl 400 Installation & Operation Manual

11
Operating information
Figure 11-2 Status Display Screen
A
(BOILER
STATUS)
C
(OPERATIONAL
INFORMATION)
D
(LEFT SELECT
KEY)
NOTE: All screens show burner status, heat demands, lockout/blocking, pump status, and soft keys.
Section
A
(Boiler Status
Bar)
B
(Call for Heat
Indicators)
70
E
(NAVIGATION DIAL)

Status Display Screens

Display
The 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 The unit has begun a burn cycle and is checking all safety circuits.
PREPURGE The unit has initiated a prepurge period on a call for heat.
IGNITION The unit has begun a spark period to ignite the main burner.
%
The unit has fi red and is running at the displayed percentage.
The 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 The unit has been placed in the OFF position.
SETPOINT MET The controlled temperature has exceeded its set point and its offset.
The unit has detected a condition that has temporarily interrupted
BLOCKED
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 has priority.
The unit is being controlled by a 0 - 10V BMS signal.
The member unit is supplying heat while in Cascade Mode.
Installation & Operation Manual
B
(CALL FOR
HEAT)
F
(RIGHT SELECT KEY)
Description