70
Hold 63: LCI OFF (Load Control Input, Flow Switch, Interrupted Air Switch Blocked Flue Switch)
Hold 67: ILK OFF (High Limit, Gas Pressure Switch)
Alert 303-310: Abnormal Recycle: ILK off
Alert 460: LCI lost in run
This error occurs when one of more of the boiler safety switches are in an open condition when it is to be in a closed condition before the
ignition sequence is allowed to proceed.
F
Flow switch
Check flow switch
Check flow switch paddle
Check Low Water Cutoff
(if equipped)
Check system water level/
LWCO location
High Limit
Check high limit
Reset high limit
Gas pressure switch
Low gas switch
Check inlet gas pressure
< 14” w.c.
High gas switch
Check inlet gas pressure
> 4” w.c.
Grey
Open
Open
Open
Open
Closed
Grey
Grey
Green
Air Switch
Check air proving switch
Check J5-2 connector
SOLA for 24 VAC signal
Green
Proceed to ignition
sequence
Grey
Green
Green
Green
Check vent & air intake for
obstruction
Open
Closed
Check blocked flue switch
Green
Grey
Check water pressure
switch
Must have minimum 30
PSIG in water system
Open
Closed
Summary of Contents for ADVANTUS AVH 1000
Page 2: ......
Page 3: ......
Page 38: ...31 Figure 23 Recommended Piping with Reverse Return and Variable Primary Flow...
Page 88: ...81 PART 12 EXPLODED VIEW Figure A...
Page 89: ...82 Figure B FAN BURNER ASSEMBLY AV500 600 some items may not be as shown...
Page 90: ...83 Figure C FAN BURNER ASSEMBLY AV800 4000 some items may not be as shown...
Page 91: ...84 Figure D Figure E...
Page 92: ...85 Figure F Figure G...
Page 93: ...86 Figure H CONTROL BOARD ASSEMBLY...
Page 100: ...93 PART 13 ELECTRICAL DIAGRAMS...
Page 101: ...94...
Page 102: ...95...
