Introduction - Carrier 58DLA Installation, Start-Up, Operating And Service And Maintenance Instructions

INTRODUCTION

Series 140/E 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 (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 80_F (27_C) db. Failure to follow these
return- -air temperature limits may affect reliability of heat
exchangers, motors, and controls. (See Fig. 3.)
For accessory installation details, refer to the applicable
instruction literature.
NOTE:
operating the furnace.
Fig. 2 - - Clearances to Combustibles
4
Remove all shipping brackets and materials before
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