Introduction; Codes And Standards; Safety - International comfort products F8MXN Installation Instructions Manual

INTRODUCTION

F8MXN, G8MXN, F8MXL, and G8MXL, 4−way multipoise
Category I fan−assisted furnace is CSA design−certified. A
Category I fan−assisted furnace is an appliance equipped
with an integral mechanical means to either draw or force
products of combustion through the combustion chamber
and/or heat exchanger. The furnace is factory−shipped for
use with natural gas.
This furnace is not approved for installation in mobile homes,
recreational vehicles, or outdoors. This furnace is designed
for minimum continuous return−air temperature of 60_F

CODES AND STANDARDS

Follow all national and local codes and standards in addition
to these instructions. The installation must comply with
regulations of the serving gas supplier, local building, heating,
plumbing, and other codes. In absence of local codes, the
installation must comply with the national codes listed below
and all authorities having jurisdiction.
4
(16_C)db or intermittent operation down to 55_F (13_C) db
such as when used with a night setback thermostat.
Return−air temperature must not exceed 85_F (29_C) db.
Failure to follow these return−air temperature limits may affect
reliability of heat exchangers, motors, and controls. (See
Figure 3).
For accessory installation details, refer to the applicable
instruction literature.
NOTE: Remove all shipping brackets and materials before
operating the furnace.
Figure 2 − Clearances to Combustibles
In the United States, follow all codes and standards for the
following:

Safety

Specifications are subject to change without notice.
S
USA: National Fuel Gas Code (NFGC) NFPA
54−2012/ANSI Z223.1−2012 and the Installation
Standards, Warm Air Heating and Air Conditioning
Systems ANSI/NFPA 90B
441 01 1411 04