Lennox ComfortSense 7500 Installation And Setup Manual page 19

STAGE 2 HP LOCK TEMP
When disabled the heat pump stage 2 operates
normally). Enable this setting in dual fuel
applications to lock in the 2nd stage compressor
when the outdoor temperature is at or less than the
Configuration
Multi-stage Cooling for Heat Pump/Non-Heat Pump
Heating - Non-Heat Pump (1 or 2 stages)
Heating - Heat Pump with NO backup heat
Heating - Heat Pump w/electric heat (2-stage: 1compr/1backup)
Heating - Heat Pump w/electric heat (3 stage: 2compr/1backup)
Heating - Heat Pump w/electric heat (3 stage: 1compr/2backup)
Heating - Heat Pump w/electric heat (4 stage: 2compr/2backup)
Heating - dual fuel (2-stage: 1compr/1backup)
Heating - dual fuel (3 stage: 1compr/2backup)
Heating - dual fuel (3 stage: 2compr/1backup)
Heating - dual fuel (4 stage: 2compr/2backup)
LOCK TEMP set point. Scroll to STAGE 2 HP
LOCK TEMP; touch ENTER. Use - + option to
select a LOCK TEMP between -40 and 75ºF.
Touch < to return to previous menu.
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