Lennox Harmony III

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Table 28. SLP99DF
Starting at 70% of High Fire
(Temperaturerisebasedonprimarylimitandroomat70˚andbeforetrippingfurnaceprimarylimit)
Model SLP99DF070XV36B SLP99DF090XV36C SLP99DF090XV48C SLP99DF090XV60C
Primary Limit 145˚F 145˚F 140˚F 140˚F
Minimum CFM (Fail at CFM) Zoning
553CFM@75˚FTR
Output BTU 44,800
726CFM@75˚FTR
Output BTU 58,800
787CFM@70˚FTR
Output BTU 59,500
787CFM@70˚FTR
Output BTU 59,500
Maximum CFM
1,185CFM@50˚FTR
Output BTU 64,000
1,296CFM@60˚FTR
Output BTU 84,000
1,574CFM@50˚FTR
Output BTU 85,000
1,574CFM@50˚FTR
Output BTU 85,000
Model SLP99DF110XV60C
Primary Limit 145˚F
Minimum CFM (Fail at CFM) Zoning
925CFM@75˚FTR
Output BTU 74,900
Maximum CFM
1,982CFM@50˚FTR
Output BTU 107,000