69
Installation & Operation 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.
D
(LEFT SELECT
key function)
MENU
Press and hold the LEFT SELECT key for 5 seconds to enter the Menu
Screen.
EXIT
Press the LEFT SELECT key to exit the current screen or setting.
YES
Press the LEFT SELECT key to confirm that the boiler needs to
shutdown.
LIMITS
Press the LEFT SELECT key to enter the screen that allows you to
adjust the limit settings.
HOME
Press the LEFT SELECT key to return to the Status Screen and upload
parameter changes.
11
Operating information
(continued)
