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Carrier 58SS/DH User Manual

Application data, 58ss/dh induced-combustion gas-fired furnaces, Installation guidelines procedures

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HEATING «COOLING

58SS/DH

Induced-Combustion Gas-Fired Furnaces

Application Data

Installation Guidelines Procedures

INTRODUCTION

The desire to conserve energy

has created

greater use of insulation, improved vapor barriers,
weather stripping, etc. Homes are now tighter, resulting
in less natural air infiltration and inefficient furnace oper­
ation. The condition is further affected by the growing use

of kitchen and bathroom exhausts and even fireplaces.

Field studies indicate that combustion air starvation,

particularly in closet installations, points to a need for
positive furnace air supply, plus new guidelines for to­
day’s furnace applications.

A

WARNING

These instructions cover minimum combustion air

requirements and venting practices. They also reflect

current conditions found in the field, and conform to
existing national standards, and safety codes. In
some instances, these instructions exceed certain
local codes and ordinances, especially those that may

not have kept pace with changing construction

practices. Carrier requires these standard pro­
cedures as a minimum for safe installation.

CONTENTS

Page

INSPECTION................................................... 1
FURNACE LOCATION — COMBUSTION/

VENTILATION AIR ...................................... 1

GAS PIPING

................................................................... 3

VENTING.......................................................... 4

ELECTRICAL

................................................................ 5

START-UP, ADJUSTMENT AND

SAFETY CHECK

...................................................... 5

FURNACE LOCATION WITH RESPECT

TO COOLING EQUIPMENT

................................. 7

SPECIAL LOCATIONS

.............................................. 7

APPENDIX — VENTING REPLACEMENT

INSTALLATIONS

..................................................... 7

INSPECTION

Check available power supply to be sure it meets speci­

fications on wiring diagram and all motors in furnace.

Check available gas supply to see that it conforms to

gas specifications on AGA rating plate.

A

CAUTION

Do not block openings in front of furnace or on

furnace top along side vent pipe. These openings pro­
vide air for combustion and ventilation. Never store

anything on or in contact with furnace, such as:
aerosol cans, rags, brooms and mops, cleaning tools
and aids, powders, bleaches, waxes, plastic items,
gasoline, kerosene, lighter fluids, cleaning fluids,
thinners, painting compounds or paper products.

Installation Procedures

— These recommendations

apply to the installation and operation of gas furnaces
and piping systems for natural or LP (propane) gases.

Use these procedures in conjunction with your specific

furnace installation instructions.

Refer also to your gas supplier regulations and local

building, heating, plumbing and other codes for your
installation area.

Portions of the following have been adopted in part

from the National Fuel Gas Code (NFPA No. 54-1984 or
ANSI Z223.1-1984) copyrighted by the National Fire

Protection Association and American Gas Association.
For further details, consult this publication or current

edition available from NFPA, Batterymarch Park,
Quincy, MA 02269, or American Gas Association, 1515

Wilson Boulevard, Arlington, VA 22209.

FURNACE LOCATION —

COMBUSTION/VENTILATION AIR

Locate furnace close to chimney and as near to the

center of the air distribution system as possible. Install
furnace as level as possible. Provide ample space for

servicing and cleaning. Always comply with minimum

fire protection clearances shown on unit rating plate. Do

not install directly on carpeting, tile or any combustible
material other than wood flooring. Accessory eom-
bustible floor base is available from your dealer when
required.

The relief-air supply for the draft safeguard duct (draft

hood) must be in the same atmospheric pressure zone as
the combustion-air inlet supply to the furnace.

When a furnace is installed so that the supply ducts

carry air to areas outside the space containing the
furnace, the return air must also be handled by duct(s)
sealed to the furnace casing and terminating outside the
furnace location area.

All fuel-burning furnaces must be supplied with air

that enters the combustion process and then is vented to
the outdoors. Sufficient air must enter the space contain­
ing the furnace to replace the amount drawn up the vent

stack. Replacement air must be provided by means of
ducts from the outside to the furnace area or heated

spaee. Under all eonditions, enough air must be provided
to ensure there will be no negative pressure condition

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Bookh

PC101

Catalog No 515-808

Printed in U S A

Form 58D.S-2XA

Pg 1

6-85

Replaces: 58D,S-1XA

Tab l6a