AIRFLOW
UPFLOW
HORIZONTAL LEFT
DOWNFLOW
AIRFLOW
AIRFLOW
HORIZONTAL
RIGHT
AIRFLOW
A93041
Fig. 1—Multipoise Orientations
SAFETY CONSIDERATIONS
Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in literature, on tags, and on labels attached to or shipped with unit and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) NFPA No.
Understand these signal words: DANGER, WARNING, CAUTION, and NOTE. These words are used with the
INTRODUCTION
The 355MAV Multipoise Condensing
These furnaces shall not be installed directly on carpeting, tile, or any other combustible material other than wood flooring. For downflow installations, a factory accessory floor base must be used when installed on combustible materials and wood flooring. Special base is not required when this furnace is installed on the manufacturer’s coil assembly Part No. CD5 or CK5, or when Coil Box Part No. KCAKC is used. The design of this furnace is not CSA (A.G.A. and C.G.A.) certified for installation in mobile homes, recreational vehicles, or outdoors. These furnaces are suitable for installation in a structure built on site or a manufactured residence completed at final site.
These furnaces are shipped with the drain and pressure tubes connected for UPFLOW applications. Minor modifications are required when used in DOWNFLOW, HORIZONTAL RIGHT, or HORIZONTAL LEFT
These furnaces are shipped with the following materials to assist in proper furnace installation. These materials are shipped in the main blower compartment.
This furnace must be installed with a
CAUTION: Application of this furnace should be indoors with special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit sizing. Improper installation or misapplication of furnace can require excessive servicing or cause premature component failure.
WARNING: Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide poisoning, explosion, fire, electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified installer or agency must use only
CODES AND STANDARDS
Before installing the furnace in the United States, refer to the current edition of the NFGC and the NFPA 90B. For copies of the NFGC and NFPA 90B, contact the National Fire Protetion Association Inc., Batterymarch Park, Quincy, MA 02269; or American Gas Association, 1515 Wilson Boulevard, Arlington, VA 22209.