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AMPW 400-1000L I&O Manual
APPENDIX C: Default Light-off and Modulation Rates
Parameter
AMP Model
400
500
650 NG
650 LP
800 NG
800 LP 1000L
Max Power MBTU
400
500
650
650
800
800
1000
CH/DHW Max. Modulation Rate (RPM)
1
8000
8000
5550
5700
6400
6400
6800
Minimum Modulation Rate (RPM)
1600
-
1050
1100
1200
1200
1300
Light-off (RPM)
1
3400
-
2400
2000
2400
1900
2400
Maximum Light-off (RPM)
3600
-
2600
2200
2600
2000
2600
Minimum Light-off (RPM)
3000
-
2200
1700
2200
1700
2200
1
Factory Default RPM
NOTE: To maintain rate in maximum vent length application, contact factory for assistance.