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Lennox ComfortSense 7500 Commercial - Stage Timing and Lock-In Configurations; Stage 2-4 Delay Settings; Heat;Cool Stages Locked In; Stage 2 Heat Pump Lock Temperature

Lennox ComfortSense 7500 Commercial
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16
Stage 2 Through 4 Delays
(Where applicable) If STG DELAY TIMERS is
turned ON, the default delay is 20 minutes but can
be programmed from 5 to 120 minutes in 5-minute
increments. If first stage fails to advance the
ambient temperature toward the setpoint by 1.0°F in
the programmed delay time, then the second stage
is activated.
Scroll to STG 2 DELAY (or 3 or 4); touch to select.
Select the desired delay. Touch < to return to
previous menu.
H/C Stages Locked In
When disabled the heat/cool stages are turned off
separately). When enabled (default), heat/cool
stages are turned off together. Touch < to return to
previous menu.
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
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.
Configuration Figures
Multi-stage Cooling for Heat Pump/Non-Heat Pump 7
Heating - Non-Heat Pump (1 or 2 stages) 8
Heating - Heat Pump with NO backup heat 10
Heating - Heat Pump w/electric heat (2-stage: 1compr/1backup) 10
Heating - Heat Pump w/electric heat (3 stage: 2compr/1backup) 11
Heating - Heat Pump w/electric heat (3 stage: 1compr/2backup) 11
Heating - Heat Pump w/electric heat (4 stage: 2compr/2backup) 12
Heating - dual fuel (2-stage: 1compr/1backup) 13
Heating - dual fuel (3 stage: 1compr/2backup) 14
Heating - dual fuel (3 stage: 2compr/1backup) 15
Heating - dual fuel (4 stage: 2compr/2backup) 16

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