Lochinvar COPPER-FIN II 402 - 2072 - Manual (Page 13)

13
4
SMART SYSTEM control module
(continued)
Status Display Screens
By using the Previous/Next (, ) arrow keys on the SMART SYSTEM display panel, you can navigate through the 11 display
screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they
can display:
Screen # Display Shows Description
Screen #1
Line 1
HTR: OFF
The unit has been turned OFF by the Enter/Reset button on the
SMART SYSTEM display panel.
HTR: STAND-BY
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.
HTR: SETPOINT MET
The unit has met the water temperature set point, but is still receiving
a call for heat from either a remote thermostat, a DHW thermostat,
or a BMS.
HTR: PRE-PURGE The unit has initiated the 10 second air purge upon a call for heat.
HTR: IGNITER * ON
The unit has begun the 30 second heatup time prior to the trial for
ignition. Display will show IGNITER A or IGNITER B depending on
which stage has priority.
HTR: RUN STG ****
Or
HTR: DHW STG ****
The unit has fired and is running at the displayed number of stages
(1,2,3,4)
HTR: POST-PURGE
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.
HTR: SERVICE MODE
The unit has been placed in a temporary mode that will allow the unit
to fire for the purpose of combustion analysis.
Screen #1
Line 2
OUT: ***F (***)
When the outlet sensor has been selected as the control sensor
(default), the control will display the outlet temperature as well as the
set point in parenthesis.
OUT: ***F
If the outlet sensor has not been selected as the control sensor or a
system supply sensor is connected, only the outlet temperature will be
displayed.
OUT: OPEN The control does not detect the outlet sensor.
OUT: SHORTED The outlet sensor wires or the sensor itself has become shorted.
Press the Next  arrow key on the SMART SYSTEM display to access Screen #2.
Status display screens
User’s Information Manual