69
Alert 291: Abnormal Recycle: Flame was not on at end of ignition
Alert 294: Abnormal Recycle: Flame was lost during Run
Alert 324: Abnormal Recycle: Hardware flame bias
Alert 377: Abnormal Recycle: Hardware flame bias delta
This error occurs when a flame signal is not detected by the
UV Scanner
. A minimum signal of 0.8Vdc must be detected by the
UV
Scanner
to prove the flame.
* Models 800
– 4000: For
High-End Valve
. Staging relay switch over is factory set and normally does not require field adjustment.
Check UV Scanner wire
Move UV Scanner wire
away from harness
bundle
Check hot surface igniter
for minimum 3.0A
reading
Replace igniter
Check UV Scanner
viewing window for
carbon deposit
Clean and/or replace
Within harness bundle
No
Yes
Separated from
harness bundle
Yes
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...
