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46
Screen Display
Explanation
Go to Page For
Troubleshooting
Control has blocking error for more than 20
hours in a row.
Go to Page 48
Three unsuccessful ignition attempts in a row
Go to Page 49
Open gas valve power circuit. May involve
high temperature switch, gas valve, or gas
valve relay in control module.
Go to Page 48
Safety Circuit is open.
Go to Page 50
Blower speed does not reach speed calculated
by Control Module.
Go to Page 51
Control Module internal error.
Replace Control
Module
High Temperature opens during normal
operation.
Go to Page 52
Control Module detects flame after gas valve
is closed more than 10 seconds.
Replace Gas Valve
Flame is detected before gas valve opens.
Replace Gas Valve
Control module internal error.
Replace Control
Module
Lost flame signal 3 times during one heat call.
Go to Page 53
Control Module internal error.
Replace Control
Module
Control Module internal error.
Replace Control
Module
External voltage supplied to DHW T-T or CH
T-T terminals. Eliminate voltage using dry
contact relay.
-
Flame detected when gas valve is closed.
Go to Page 53
B l o c k i n g E r r o r
R E F L O t o o L O
13 - TROUBLE SHOOTING
Содержание VX-050
Страница 49: ...49 13 TROUBLE SHOOTING...
Страница 51: ...51 13 TROUBLE SHOOTING...
Страница 63: ...63 14 1 Connection Diagram 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 64: ...64 14 2 Schematic Diagram of Ladder Form 050 075 100 MBH 14 WIRING DIAGRAM...
Страница 65: ...65 14 3 Connection Diagram 150 200 MBH 14 WIRING DIAGRAM...
Страница 66: ...66 14 4 Schematic Diagram of Ladder Form 150 200 MBH 14 WIRING DIAGRAM...
Страница 83: ...83 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 84: ...84 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Страница 85: ...85 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 86: ...86 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Страница 87: ...87 NOTES...
Страница 88: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...