Lennox CS7500 Installation And Setup Manual page 17

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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 ambi-
ent 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 previ-
ous menu.
Configuration
Multi-stage Cooling for Heat Pump/Non-Heat Pump
Three-stage Cooling for Non-Heat Pump
Heating - Non-Heat Pump (1 or 2 stages)
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)
H/C Stages Locked In
When disabled the heat/cool stages are turned off
separately). When enabled (default), heat/cool stag-
es are turned off together. Touch < to return to pre-
vious menu.
Stage 2 HP Lock Temp
When disabled the heat pump stage 2 operates nor-
mally). 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 be-
tween -40 and 75ºF. Touch < to return to previous
menu.
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