Lennox Harmony III User Manual

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sinGle staGe Heat PumP in HeatinG
Table 30. Single Stage Heat Pump In Heating
(Maximum pressure approximately @ 525PSI)
Size 1.5 Tons 2 Tons 2.5 Tons 3 Tons
Minimum CFM @380 CFM
Per Ton
570 CFM 760 CFM 950 CFM 1,140 CFM
Recommend CFM @450 CFM Per Ton 675 CFM 900 CFM 1,125 CFM 1,350 CFM
Size 3.5 Tons 4Tons 5 Tons
Minimum CFM @380 CFM
Per Ton
1,330 CFM 1,520 CFM 1,900 CFM
Recommend CFM @450 CFM Per Ton 1,575 CFM 1,800 CFM 2,250 CFM
twO staGe cOndensinG unit in First staGe cOOlinG
Table 31. TwoStageCondensingUnitInFirstStageCooling
(AtminimumblowerCFMsuperheatmustbeatorabove5˚SH)
Size 2 Tons 3 Tons 4 Tons 5 Tons
Unit In First Stage 1.34 Tons 2.01 Tons 2.68 Tons 3.35 Tons
Minimum CFM @180 CFM
Per Ton
241 CFM 362 CFM 482 CFM 603 CFM
Recommend CFM @300 CFM Per Ton 402 CFM 603 CFM 804 CFM 1,005 CFM
Maximum CFM @400 CFM Per Ton 536 CFM 804 CFM 1,072 CFM 1,340 CFM

Lennox Harmony III Specifications

General

Brand	Lennox
Model	Harmony III
Category	Control Systems
Language	English