71
11
Operating information
(continued)
Status Display Screens
(cont’d)
NOTE: All screens show burner status, heat demands, lockout/blocking, pump status, and soft keys.
Section
Display
Description
C
(Operational
Information)
DETAILS SCREEN 1
a. SYSTEM TEMP
b. TANK TEMP
c. OUTDOOR TEMP
d. INLET TEMP
e. OUTLET TEMP
f. DHW RECIRC TEMP - The temperature read by the DHW
recirculation sensor (if connected).
DETAILS SCREEN 2
a. DELTA T
b. FLUE TEMP
c. FLAME CURRENT
d. FAN SPEED
e. LOOP 1 TEMP - The temperature of Loop 1 reported by the
MTLC control.
f. LOOP 2 TEMP - The temperature of Loop 2 reported by the
MTLC control.
g. LOOP 3 TEMP - The temperature of Loop 3 reported by the
MTLC control.
I/O SCREEN
a. GAS PRESS SW - The state of the gas pressure switch.
b. FLOW SW - The state of the fl ow switch.
c. LOUVER RELAY - The state of the louver relay output.
d. LOUVER SW - The state of the louver proving switch.
e. BLOCKED DRAIN - The state of the blocked drain switch.
f. GAS VALVE - The state of the gas valve output.
BMS SCREEN
a. 0 - 10V BMS IN
b. 0 - 10V RATE OUT
c. BMS ADDRESS
d. BMS CONTROL?
e. SYS PUMP SPEED
f. BLR PUMP OUT
HISTORY SCREEN
a. SH RUN TIME - Total time running for Space Heat (SH).
b. SH CYCLES - Total Space Heat (SH) demand cycles.
c. DHW RUN TIME - Total time running for DHW.
d. DHW CYCLES - Total DHW demand cycles.
e. POWER TIME - Total time powered ON.
f. IGNITIONS - Total number of successful ignitions.
g. IGN ATTEMPTS - Total number of ignition attempts.
LAST 10 FAULTS
a. FAULT NO.
b. FAULT
c. DATE
d. TIME
Installation & Operation Manual
