92-24161-66-03
SUPERSEDES 92-24161-66-02
INSTALLATION INSTRUCTIONS
FOR HIGH EFFICIENCY CONDENSING GAS FURNACES
90RS, 90RT UPFLOW SERIES
90TS DOWNFLOW/HORIZONTAL SERIES
U.L. recognized fuel gas and CO (carbon monoxide) detectors are recommended in all
applications, and their installation should be in accordance with the manufacturer’s
recommendations and/or local laws, rules, regulations, or customs.
Upflow Models Downflow/Horizontal Models
Model Number Input (Btu) Tons Model Number Input (Btu) Tons
90RS04EES** 45,000 3 90TS04EES** 45,000 3
90RS06EES** 60,000 3 90TS06EES** 60,000 3
90RT07EES** 75,000 3 90TS07EES** 75,000 3
90RT07EFS** 75,000 4 90TS07EFS** 75,000 4
90RS09EJS** 90,000 4 90TS09EJS** 90,000 4
90RS09EGS** 90,000 5 90TS09EGS** 90,000 4.5
90RS10EGS** 105,000 4.5 90TS10EGS** 105,000 4.5
90RS12EHS** 120,000 5 90TS12EHS** 120,000 5
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