71
Alert 354: Abnormal Recycle Delta-T limit
This safety was breached as the inlet and outlet temperature difference exceeded 70°F. This is done to prevent damage to the heat
exchanger. Before this error appears, the combustion air blower would have slowed down in an effort to prevent such an error from
occurring.
Verify pump motor load
to pump rated load
Purge air from water lines
Check pump wiring
Check pump curves to
compare with flow and
pressure drops in Part 4
of Advantus
™
IOM
Upgrade pump
Low current reading
Out of spec
Current reading within spec
Содержание ADVANTUS AVH 1000
Страница 2: ......
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Страница 38: ...31 Figure 23 Recommended Piping with Reverse Return and Variable Primary Flow...
Страница 70: ...63 Figure 44 Typical Gas Train Models AV1000 3000 Figure 45 Typical Gas Train Models AV3500 4000...
Страница 88: ...81 PART 12 EXPLODED VIEW Figure A...
Страница 89: ...82 Figure B FAN BURNER ASSEMBLY AV500 600 some items may not be as shown...
Страница 90: ...83 Figure C FAN BURNER ASSEMBLY AV800 4000 some items may not be as shown...
Страница 91: ...84 Figure D Figure E...
Страница 92: ...85 Figure F Figure G...
Страница 93: ...86 Figure H CONTROL BOARD ASSEMBLY...
Страница 100: ...93 PART 13 ELECTRICAL DIAGRAMS...
Страница 101: ...94...
Страница 102: ...95...