Lennox Harmony III, Installation, Setup And User Manual

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Table 32. Two Stage Heat Pump Unit In First Stage Heating
(Maximum pressure approximately @525PSI)
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 @380 CFM
Per Ton
509 CFM 764 CFM 1,018 CFM 1,273 CFM
Recommend CFM @450 CFM Per Ton 603 CFM 904 CFM 1,206 CFM 1,508 CFM
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Table 33. Variable Condensing Unit: Minimum Cooling CFM
(At minimum blower CFM superheat must be at or above 5˚SH)
Model EL18XCV-024 EL18XCV-036 EL18XCV-048 EL18XCV-060
System at Minimum Capacity .8 Tons .875 Ton 1.49 Ton 1.625 Ton
Minimum CFM @300 CFM Per Ton For
Zoning
250 CFM 262.5 CFM 447 CFM 488 CFM
Model EL18XPV-024 EL18XPV-036 EL18XPV-048 EL18XPV-060
System at Minimum Capacity .8 Tons .87 Tons 1.55 Tons 1.78 Tons
Minimum CFM @300 CFM Per Ton For
Zoning
250 CFM 261 CFM 465 CFM 534 CFM