13
4
SMART SYSTEM control module
(continued)
User’s Information Manual
Status Display Screens
(cont’d)
Section
Display
Description
C
(Operational
Information)
SYSTEM:
The temperature read by the system supply sensor (if connected).
TANK:
The temperature read by the tank sensor (if connected).
OUTDOOR:
The temperature read by the outdoor sensor (if connected).
INLET TEMP:
The temperature read at the inlet to the heat exchanger.
OUTLET TEMP:
The temperature read at the outlet of the heat exchanger.
DELTA T:
The temperature difference between the inlet and the outlet of the
heat exchanger.
FLUE TEMP:
The temperature read by the flue sensor.
FLAME CURRENT:
The current measured by the flame sense circuit.
FAN SPEED:
The speed of the combustion blower.
BOILER PUMP:
The status of the boiler pump output.
SYSTEM PUMP:
The status of the system pump output.
DHW PUMP:
The status of the DHW pump output.
BMS VOLTAGE:
The voltage received from a BMS system.
BLR PUMP OUTPUT:
The speed signal sent to a variable speed boiler pump in percent.
SYS PUMP INPUT:
The speed signal received from a variable speed system pump control.
RATE OUTPUT:
A 0 - 10V signal indicating the firing rate of the boiler.
SH RUN HOURS:
The total hours of operation in the Space Heating Mode.
SH CYCLES:
The total burner cycles in the Space Heating Mode.
DHW RUN HOURS:
The total hours of operation in the DHW Mode.
DHW CYCLES:
The total burner cycles in the DHW Mode.
LAST 10 FAULTS NO:*
The last 10 lockouts.
NIGHT SETBACK
Shows the next Night Setback trigger (if active).
