Bryant 355CAV Instruction Manual download pdf (Page 3)

SAFETY CONSIDERATIONS

FURNACE RELIABILITY HAZARD

Improper installation or misapplication of furnace may

require excessive servicing or cause premature component

failure.

Application of this furnace should be indoors with special

attention given to vent sizing and material combustion air

requirements, gas input rate, air temperature rise, unit

leveling, and unit sizing.

CAUTION

FIRE, EXPLOSION, ELECTRICAL SHOCK AND

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal

injury, death, or property damage.

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

factory--authorized and listed kits or accessories when

modifying this product.

WARNING

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.

These instructions cover the minimum requirements 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 up with changing

residential construction practices. We require these instructions as

a minimum for a safe installation.

Wear safety glasses and work gloves. Have a fire extinguisher

available during start--up and adjustment procedures and service

calls.

Recognize safety information. This is the safety--alert symbol

. When you see this symbol on the furnace and in

instructions or manuals, be alert to the potential for personal

injury .

Understand the signal words DANGER, WARNING, and

CAUTION. These words are used with the safety--alert symbol.

DANGER identifies the mo st serious h azards which will result in

severe personal injury or death. WARNING signifies a hazard

which could result in personal injury or death. CAUTION is used

to identify unsafe practices which may result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which will result in enhanced installation,

reliability, or operation.

CUT HAZARD

Failure to follow this caution may result in personal injury.

Sheet metal parts may have sharp edges or burrs. Use care

and wear appropriate protective clothing and gloves when

handling parts.

CAUTION

The 355CAV Condensing Gas-- Fired Furnaces are CSA

(formerly AGA and CGA) design -- certified for natural and

propane gases (see furnace rating plate) and for installation in

alcoves, attics, basements, closets, utility rooms, crawlspaces, and

garages. The furnace is factory--shipped for use with natural gas.

A CSA listed gas conversion kit is required to convert furnace for

use with propane gas.

See Fig. 3 for required clearances to combustibles.

Maintain a 1--in. (25.4 mm) clearance from combustible materials

to supply air ductwork for a distance of 36 inches horizontally

from the furnace. See NFPA 90B or local code for further

requirements.

These furnaces SHALL NOT be installed directly on carpeting,

tile, or any other combustible material other than wood flooring.

These furnaces are suitable for installation in a structure built on

site or a manufactured building completed at final site. The

design of this furnace line is NOT CSA design--certified for

installation in recreation vehicles, manufactured (mobile) homes

or outdoors.

This furnace is designed for continuous return-- air minimum

temperature of 60_F db or intermittent operation down to 55_F

db such as when used with a night setback thermostat. Return--air

temperature must not exceed 80_F db. Failure to follow these

return air limits may affect reliability of heat exchangers, motors

and controls. (See Fig. 4.)

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 (supply -- air discharge direction)

applications as shown in Fig. 1. See details in Applications

section.

Install this furnace only in a location and position as specified in

LOCATION and INSTALLATION sections of these instructions.

Combustion products must be discharged outdoors. Connect this

furnace to an approved vent system only , as specified in the

Combustion Air and Vent piping sections of these instructions.

Never test for gas leaks with an open flame. Use a commercially

available soap solution made specifically for detection of leaks to

check all connections as specified in the GAS PIPING section of

these instructions.

Always install the furnace to operate within the furnace’s

intended rise range with a duct system which has an external

static pressure within the allowable range as specified in the SET

TEMPERATURE RISE section of these instructions.

When a furnace is installed so that supply ducts carry air

circulated by the furnace to areas outside the space containing the

furnace, the return air shall also be handled by ducts sealed to the

furnace casing and terminating outside the space containing the

furnace.

355CAV

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Bryant 355CAV Instruction Manual Page 3

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