Carrier 59SC2A User Manual

59SC2A
Single Stage 4—Way Multipoise
Condensing Gas Furnace
Series 100
Carrier
|
turn to the IZA
Installation, Start—up, Operating and
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS ..................0.0005- 3
INTRODUCTION .......... 00.000. 4
CODES AND STANDARDS ..............0. 500. 000005- 4
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ... 4
ACCESSORIES .. 0.2... 0... ee 5
LOCATION ... 00.0.0... ees 8
General... ee eens 8
AIR FOR COMBUSTION AND VENTILATION .......... 9
Introduction 22... 0. ee ee eee 9
CONDENSATE TRAP... 2.2.0... eee 13
Uptlow 2... eens 13
Downflow .. 0.0... eee eens 13
Horizontal 2... eens 13
CONDENSATE DRAIN ............. 0.0.00 002 eee eee 17
INSTALLATION .........0.. 00.000 eee eee 20
Uptlow 2... eens 20
Downflow .. 0.0... eee eens 20
Horizontal 0... eee 21
Filter Arrangement .. 0.0.0.0... 00. eee eee 21
AIR DUCTS . 10. ee 29
General Requirements .. 0.0.0.0... 00.0 cee eee ee 29
Ductwork Acoustical Treatment ........... 0. 0.000005 29
GAS PIPING ... 00.0... ee 31
ELECTRICAL CONNECTIONS ....................... 32
115-V Wiring 2... eee eee 32
J-Box Installation .. 0.0... eee ee 33
24-V Wiring... eee eee 33
ACCESSOTIES 2. eee eee eee 33
Alternate Power Supplies ... 0.0.0.0... 0.0.0.0... 000-4 33
VENTING .... 0... ee 37
Special Venting Requirements for Installations in Canada . 37
General... ee eens 38
Materials 0... eee 38
Venting Systems ©... 0.0... eee ene 38
Locating the Vent Termination .................+.... 39
Combustion Air and Vent Piping Insulation Guidelines ... 41
START-UP, ADJUSTMENT, AND SAFETY CHECK ...... 62
General 2... eee eee 62
Prime Condensate Trap 2.0.0.0... 0.0. e eee eee 62
Purge Gas Lines 2... eee 62
Adjustments 2.00.0... eee eee 62
SERVICE AND MAINTENANCE PROCEDURES ........ 70
Cleaning Heat Exchangers... 0.0. ene 75
SEQUENCE OF OPERATION ... 0.0.00. 0 0 eee eee 79
PARTS REPLACEMENT GUIDE ...................... 83
TABLES
Loose Parts Bago... ee eee 5
Minimum Clearances to Combustible Materials ............. 5
Minimum Free Area Required 2.0.0.0... 0.0.0.0 cee ee eee 11
Minimum Space Volumes .. 2.0.0.0... 0.0000 eee eee 11
Filter Size Information ©... 66.0.0 ees 24
Opening Dimensions ......... 0.0.00 ce eee ee eee 25
Air Delivery CFM 0... eee 30
Maximum Capacity of Pipe ....... 0.0.0... 0. eee eee eee 32
Electrical Data 2.0. ees 34
Vent Termination Kit for Direct Vent (2-Pipe) System ....... 39
Combustion-Air Vent Pipe, Fitting & Cement Material. ..... 45
Maximum Allowable Exposed Vent Lengths Insulation ...... 46
Maximum Equivalent Vent Length ...................00- 47
Deductions from Maximum Equivalent Vent Length ........ 47
Blower Off Delay Setup Switch .... 0.0.0.0... 0.00000 eee 64
Altitude Derate Multiplier for U.S.A. 00.0... ee ee 65
Gas Rate 2... eee nee 67
Orifice Size and Manifold Pressure .. 0.00... eee eee 68
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Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1-2009©, with permission of National Fire Protection
Association, Quincy, MA 02269 and American Gas Association,
Washington DC 20001. This reprinted material is not the complete
and official position of the NFPA or ANSI on the referenced
subject, which is represented only by the standard in its entirety.

Carrier 59SC2A Specifications

General

Model	59SC2A
Heating Capacity	40, 000 to 120, 000 BTU/h
Ignition Type	Hot Surface Ignition
Type	Gas Furnace
Fuel Type	Natural gas or propane
Stages	Single-stage
Gas Valve	Single-stage
Warranty	10-year parts limited warranty

Summary

Safety and Preparation Requirements

Safety Considerations

Key warnings for fire, explosion, electrical shock, and carbon monoxide poisoning hazards.

Location Guidelines

Guidelines for selecting an appropriate installation site for the furnace.

System Airflow and Condensate Management

Air for Combustion and Ventilation

Requirements for supplying sufficient air for combustion and ventilation.

Condensate Trap and Drain

Instructions for installing and managing the condensate trap and drain system.

Installation Procedures and Connections

Installation Steps

Detailed steps for furnace installation, including orientation.

Air Ducts

Guidelines for connecting and sizing the air ductwork system.

Gas Piping

Requirements and procedures for gas piping connections.

Electrical and Venting Systems

Electrical Connections

Guidelines for making electrical connections to the furnace.

Venting

Instructions and requirements for furnace venting systems.

Operation and Maintenance Procedures

Start-Up, Adjustment, and Safety Check

Procedures for initial furnace start-up, adjustments, and safety checks.

Service and Maintenance Procedures

General guidance on performing maintenance tasks on the furnace.

Troubleshooting and Parts

Troubleshooting Guide

A guide to diagnose and resolve common furnace problems.

Parts Replacement Information Guide

A guide listing replaceable parts for the furnace.