Lennox iComfort S30 Installation And Setup Manual page 58

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PARTIAL ICOMFORT SYSTEM — ICOMFORT
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If the HD Display System Setting only shows "heat only" or "off" choices and does not offer a choice for "cooling" you must "Install" the non-communicating air
conditioning unit (see procedures above).
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For two-stage air conditioners you must cut the Y1­Y2 2 stage comp on­board clippable link on the air handler control.
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If your iComfort S30 is being used with either a G71MPP or SLP98 furnace and is set to variable-capacity mode of operation (the iComfort
system's settings for stage timers are ignored (even if shown enabled in the S30 Control System). The stage timer will be used on the cooling side for other cooling units
except the XC20, SL18XC1/XP1 and XC/XP25 where they are not used. The furnace software sets and controls the firing rates. The only other controlling factor is the
stage temperature differentials. In Load-Tracking Variable Capacity (default for these furnaces), both stage timers and temperature differentials are ignored.
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FURNACE AND NON-COMMUNICATING LENNOX BRAND (CONVENTIONAL) HEAT PUMP UNIT
(DUAL-FUEL)
G71MPP OR SLP98 FURNACE SETTING ADJUSTMENT
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default with these units), the