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
