Installation; Operation - Carrier 140/E Series Installation, Start--Up, Operating, And Service And Maintenance

gas. T hisfurnace is notapproved for installation in mobile
homes, recreational vehicles, oroutdoors.
These furnaces shall not b einstalled directly oncarpeting, tile, o r
anyother combustible material other than wood flooring. For
downflow installations, afactory a ccessory floorbase m ust be
used when i nstalled oncombustible materials and wood f looring.
This special base isnot r equired when t his furnace isinstalled on
the manufacturer's coil a ssembly, orwhen t he manufacturer's coil
boxis used. See Fig.2 forclearance to combustible material
information.
55°F(13°C) d b suchaswhen used witha nightsetback
thermostat. Return-air temperature must not e xceed 80 °F(27 °C)
db.Failure t o follow these r eturn-air temperature limits may
affect reliability ofheat e xchangers, motors, and controls. (See
Fig. 3 .)
For accessory installation details, referto the applicable
instruction literature.
NOTE: Remove allshipping brackets and materials before
operating the furnace.
Thisfurnace is designed forminimum continuous return-air
temperature of60 °F(16 °C)dborintermittent operation down t o
iNSTALLATiON
improper adjustment, alteration, service,
maintenance, or installation can cause
serious injury or death.
Read and follow instructions and
precautions in User's information Manual
provided with this furnace, installation
and service must be performed by a
qualified service agency or the gas
supplier.
Check entire gas assembly for leaks after
lighting this appliance.
iNSTALLATION
1. This furnace must be installed in
accordance with the manufacturer's
instructions and local codes. In the
absence of local codes, follow the National
Fuel Gas Code ANSI Z223.1 / NFPA54
or CSA B-149. 1 Gas Installation Code.
2. This furnace must be installed so there are
provisions for combustion and ventilation
air. See manufacturer's installation
information provided with this appliance.
OPERATION |
This furnace is equipped with manual reset
limit switch(es) in burner compartment to
protect against overheat conditions that
can result from inadequate combustion air
supply or blocked vent conditions.
1. Do not bypass limit switches.
2. If a limit opens, call a quallified
serviceman to correct the condition
and reset limit switch.
MINIMUM INCHESCLEARANCETO COMBUSTIBLECONSTRUCTION
This forced air furnace is
equipped for use with natural
gas at altitudes 0 - 10,000 ft
(0 - 3,050m).
An accessory kit, supplied by
the manufacturer, shall be used
to convert to propane gas use
or may be required for some
natural gas applications.
This furnace is for indoor
installation in a building
constructed on site.
This furnace may be installed
on combustible flooring in alcove
or closet at minimum clearance
as indicated by the diagram
from combustible material.
This furnace may be used with
a Type B-1 Vent and may be
vented in common with other
gas fired appliances.
This furnace is approved for
UPFLOW, DOWNFLOW, and
HORIZONTAL installations.
Clearance arrows
do notchangewith
furnaceorientation.
Clearance in inches
Vent Clearance to combustiNes:
For SingleWall vents 6 inches(6 po).
ForType B=I vent type 1 inch (1 po).
MINIMUM INCHES CLEARANCE TO
COMBUSTIBLE CONSTRUCTION
DOWNFLOW POSITIONS:
Installation on non-combustible floors only.
For Installation on combustible flooring only when installed on special
base, Part No. KGASB0201ALL or NAHA01101SB, Coil Assembly,
Part No. CAR, CAP, CNPV, CNRV, END4X, ENW4X, WENC, WTNC,
WENW OR WTNW.
18 inches front clearance required for alcove.
1-
O
indicates supply or return sides when furnace is in the horizontal
position. Line contact only permissible between lines formed by
intersections of the Top and two Sides of the furnace jacket,
and building joists, studs or framing.
IIIIIIIIIIIII IIIIIIII IIIIII
336996-101 REV. C
A10269
Fig. 2 - Clearances to Combustibles