Carrier 58MEC Operations Instructions download pdf (Page 3)

TABLE OF CONTENTS

SAFETY CONSIDERATIONS 3..........................

CODES AND STANDARDS 5...........................

Safety 5............................................

General Installation 5..................................

Combustion and Ventilation Air 5........................

Duct Systems 5......................................

Acoustical Lining and Fibrous Glass Duct 5................

Gas Piping and Gas Pipe Pressure Testing 5................

Electrical Connections 5...............................

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 7...

INTRODUCTION 8....................................

APPLICATIONS 8.....................................

General 8...........................................

Upflow Applications 8.................................

Downflow Applications 10.............................

Horizontal Left (Supply-Air Discharge) Applications 12......

Horizontal Right (Supply-Air Discharge) Applications 13.....

LOCATION 16........................................

General 16..........................................

Furnace Location Relative to Cooling Equipment 17.........

Hazardous Locations 17...............................

Furnace Location and Application 17.....................

AIR FOR COMBUSTION AND VENTILATION 18..........

INSTALLATION 21....................................

Leveling Legs (If Desired) 21...........................

Installation in Upflow and Downflow Applications 21.......

Installation in Horizontal Applications 21.................

Air Ducts 22.........................................

Filter Arrangement 25.................................

Bottom Closure Panel 26...............................

Gas Piping 26........................................

Electrical Connections 28..............................

Removal o f Existing Furnaces from

Common Vent Systems 30..............................

Combustion Air and Vent Pipe Systems 31.................

Condensate Drain 46..................................

START-UP, ADJUSTMENTS, AND SAFETY CHECK 47.....

General 47..........................................

Prime Condensate Trap With Water 48....................

Purge Gas Lines 48...................................

Sequence of Operation 48..............................

Check Safety Controls 60..............................

Checklist 61.........................................

SAFETY CONSIDERATIONS

FURNACE RELIABILITY HAZARD

Failure to follow this caution may result in unit component

damage.

Application of this furnace should be indoors with special

attention given to vent sizing and material, 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 h eating 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.

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 p arts.

CAUTION

Follow all safety codes. Wear safety glasses, protective clothing

and work gloves. Have a fire extinguisher available. Read these

instructions thoroughly and follow all warnings or cautions

included in literature and attached to the unit. Consult local

building codes, the current editions of the National Fuel Gas

Code (NFGC) NFPA 54/ANSI Z223.1 and the National Electrical

Code (NEC) NFPA 70.

In Canada, refer to the current editions of the National Standards

of Canada CAN/CSA-- B149.1 and .2 Natural Gas and Propane

Installation Codes, and Canadian Electrical Code CSA C22.1.

Recognize safety information. This is the safety-alert symbol

When you see this symbol on the unit and in instructions or

manuals, be alert to the potential for personal injury.

Understand these signal words: DANGER, WARNING, and

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

DANGER identifies the most serious hazards which will result in

severe personal injury or death. WARNING signifies hazards

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

58MEC

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