ISO 9001:2008
INSTALLATION INSTRUCTIONS
FOR UPFLOW/HORIZONTAL TWO STAGE, COMMUNICATING
GAS FURNACES W/ECM BLOWER
(-)802V
UPFLOW/HORIZONTAL SERIES
(-)(-)80MDV UPFLOW/HORIZONTAL SERIES
U.L. and/or C.S.A. recognized fuel gas and CO (carbon monoxide) detectors are rec-
ommended in all applications, and their installation should be in accordance with the
manufacturer’s recommendations and/or local laws, rules, regulations, or customs.
92-24161-148-03
SUPERSEDES 92-24161-148-02
ST-A1220-01-X0