55
THE INDICATOR LIGHTS TRACk THE OPERATING SEqUENCE. IF THE SYSTEM LOCkS OUT, THE LIGHTS
INDICATE THE POINT IN THE SEqUENCE OF OPERATION WHERE LOCkOUT OCCURS. IF THIS TABLE
DOES NOT READILY PROVIDE THE REASON FOR BOILER MALFUNCTION OR NON-OPERATION, REFER
LIGHT
STATUS
INDICATES
Power
oN
IBC IS ENERGIzED THROUGH 24 VOLT TRANSFORMER.
oFF
IBC IS NOT ENERGIzED.
BliNkiNG
IBC RECEIVES MORE THAN 40 VAC
PUrGe
oN
IBC IS ENERGIzING THE DRAFT INDUCER AND AIR FLOW IS PROVEN.
oFF
OFF DURING PURGE CYCLE-DRAFT INDUCER IS NOT POWERED OR AIR FLOW
IS NOT PROVEN.
OFF DURING IGNITER AND RUN CYCLE-NORMAL OPERATION, PURGE
CYCLE COMPLETE.
BliNkiNG
IBC IS LOCkED OUT. PROBLEM COULD INDICATE FALSE POSITIVE PROOF
OF AIR FLOW. BLOCkED VENT OR INTAkE AIR PIPE OR FLUE WAY.
iGNiter
oN
IBC IS ENERGIzING IGNITER
oFF
IGNITER IS NOT ENERGIzED
ValVe
oN
IBC IS ENERGIzING GAS CONTROL VALVE TO OPEN.
oFF
GAS CONTROL VALVE IS CLOSED.
BliNkiNG
IBC IS LOCkED OUT. PROBLEM IS FLAME HAS NOT BEEN PROVEN IN
THREE (3) IGNITION ATTEMPTS. MAY BE DUE TO BROkEN IGNITER OR
LACk OF OR LOW FLAME SIGNAL, OR NO GAS.
FlaMe
oN
FLAME PROVEN
oFF
FLAME UNPROVEN
TROUBLESHOOTING
System Status
Содержание UB100
Страница 15: ...15 Near Boiler Piping Figure 2 Single Zone Boiler Piping ...
Страница 16: ...16 Figure 3 Multi zone Boiler Piping With Zone Valves Near Boiler Piping ...
Страница 19: ...19 Figure 6 Diaphragm Type Expansion Tank Piping Near Boiler Piping ...
Страница 20: ...20 Figure 7 Conventional closed type Expansion Tank Piping Near Boiler Piping ...
Страница 27: ...27 Combustion Air and Vent Pipe Figure 11 Combustion Air and Vent Piping ...
Страница 32: ...32 Electrical Wiring Figure 13 Field Wiring Connections ...
Страница 53: ...53 DETAILED SEQUENCE OF OPERATION ...
Страница 57: ...57 TROUBLESHOOTING CHART 2 TROUBLESHOOTING ...
Страница 58: ...58 TROUBLESHOOTING CHART 3 TROUBLESHOOTING ...
Страница 60: ...60 TROUBLESHOOTING CHART 5 TROUBLESHOOTING ...
Страница 63: ...REPAIR PARTS Model No UB90 50 UB90 75 UB90 100 UB90 50 100 GAS FIRED DIRECT VENT CONDENSING HOT WATER Boiler ...
Страница 64: ...64 20 3 5 TYP OF 4 6 11 8 9 10 13 15 16 2 12 1 21 17 18 18 4 19 7 A Jacket and Base Assembly Repair Parts ...
Страница 72: ...P O Box 4729 Utica NY 13504 4729 ...