Goodman *MSS920804CN - User Manual

5151 San Felipe Suite 500
Houston, TX 77056
www.goodmanmfg.com • www.amana-hac.com
© 2014 - 2015 Goodman Manufacturing Company, L.P.
I NSTALLATION I NSTRUCTIONS FOR
*MSS9* & *CSS9*
S
INGLE -S TAGE G AS F URNACE
IOG-2009E
10/2015
(Type FSP CATEGORY IV Direct
or Non Direct Vent Air Furnace)
These furnaces comply with requirements em-
bodied in the American National Standard / Na-
tional Standard of Canada ANSI Z21.47·CSA-2.3
Gas Fired Central Furnaces.
Installer:
Affix all manuals
adjacent to the unit.
As a professional installer you have an obligation to know
the product better than the customer. This includes all safety
precautions and related items.
Prior to actual installation, thoroughly familiarize yourself
with this Instruction Manual. Pay special attention to all
safety warnings. Often during installation or repair it is
possible to place yourself in a position which is more
hazardous than when the unit is in operation.
Remember, it is your responsibility to install the product
safely and to know it well enough to be able to instruct a
customer in its safe use.
Safety is a matter of common sense...a matter of thinking
before acting. Most dealers have a list of specific good
safety practices...follow them.
The precautions listed in this Installation Manual are intended
as supplemental to existing practices. However, if there is
a direct conflict between existing practices and the content
of this manual, the precautions listed here take precedence.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
is a registered trademark of Maytag Corporation or its related companies
and is used under license. All rights reserved.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .......................................... 3
SHIPPING INSPECTION ............................................ 4
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS .................... 4
TO THE INSTALLER ............................................. 5
PRODUCT APPLICATION ............................................. 5
LOCATION REQUIREMENTS & CONSIDERATIONS ......................... 6
C
LEARANCES AND ACCESSIBILITY ................................... 7
EXISTING FURNACE REMOVAL..................................... 8
THERMOSTAT LOCATION .......................................... 9
COMBUSTION & VENTILATION AIR REQUIREMENTS ..................... 9
INSTALLATION POSITIONS ............................................ 9
HORIZONTAL A PPLICATIONS & CONSIDERATIONS .......................10
FURNACE SUSPENSION ..........................................10
FRONT COVER PRESSURE SWITCH TUBE LOCATION ................10
DRAIN TRAP AND LINES ........................................10
LEVELING .....................................................10
ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS ..............10
DRAIN PAN ...................................................10
FREEZE PROTECTION ...........................................10
PROPANE GAS/HIGH ALTITUDE INSTALLATIONS .......................10
VENT/FLUE PIPE & COMBUSTION AIR PIPE .........................11
DUAL CERTIFICATION: NON-DIRECT/DIRECT VENT .................11
MATERIALS AND JOINING METHODS ..............................11
PROPER VENT/FLUE AND COMBUSTION AIR PIPING PRACTICES ......12
TERMINATION LOCATIONS ........................................12
CANADIAN VENTING REQUIREMENTS ..............................13
STANDARD FURNACE CONNECTIONS ..............................13
VENT/INTAKE TERMINATIONS FOR INSTALLATION
OF MULTIPLE DIRECT VENT FURNACES .........................17
CONCENTRIC VENT TERMINATION.................................18
SIDE WALL VENT KIT..........................................18
CONDENSATE DRAIN LINES & DRAIN TRAP ..........................18
GENERAL DRAIN INFORMATION...................................19
FIELD SUPPLIED DRAIN .........................................19
UPFLOW MODEL INSTALLED VERTICALLY ..........................19
DRAIN EXITING RIGHT SIDE .....................................20
DRAIN EXITING LEFT SIDE ......................................20
UPFLOW MODEL INSTALLED HORIZONTALLY
WITH RIGHT SIDE DOWN ....................................20
UPFLOW MODEL INSTALLED HORIZONTALLY
WITH LEFT SIDE DOWN......................................21
COUNTERFLOW MODEL INSTALLED VERTICALLY....................21
DRAIN EXITING LEFT SIDE ......................................21
DRAIN EXITING RIGHT SIDE .....................................21
COUNTERFLOW MODEL INSTALLED HORIZONTALLY
WITH RIGHT SIDE DOWN.....................................22
COUNTERFLOW MODEL INSTALLED HORIZONTALLY
WITH LEFT SIDE DOWN......................................22

Summary

Safety Considerations

General Safety Precautions

Covers all warnings, cautions, and safety notes within the document for safe operation.

Shipping and Handling

Electrostatic Discharge Precautions

Guidelines to prevent damage to electronic components from static electricity.

Location Requirements

Installation Specifications

Combustion & Ventilation Air Requirements

Ensuring adequate airflow for safe combustion and ventilation.

Horizontal and Gas Installations

Propane Gas;High Altitude Installations

Venting and Piping

Vent;Flue Pipe & Combustion Air Pipe

Details on materials, installation, and requirements for vent/flue pipes.

Piping Practices and Terminations

Proper Vent;Flue and Combustion Air Piping Practices

Guidelines for safe and efficient vent and combustion air piping.

Termination Locations

Restrictions and requirements for vent and air intake terminations.

Furnace Connections

Standard Furnace Connections

Piping Configurations

Non-Direct Vent (Single Pipe) Piping

Installation requirements for single-pipe venting.

Vent;Flue Pipe Terminations

Direct Vent Piping

Direct Vent (Dual Pipe) Piping

Vent;Flue and Combustion Air Pipe Terminations

Drainage Systems

Condensate Drain Lines & Drain Trap

Installation and maintenance of the condensate drain system.

Drainage Procedures

Electrical Connections

Wiring and Thermostat Connections

Gas Supply and Piping

Gas Piping Procedures

Gas Piping Connections

Detailed steps for connecting the gas supply piping.

Propane Gas Tanks and Piping

Circulating Air and Filters

Checking Duct Static

Filter Requirements

Filters - Read This Section

Crucial information regarding filter usage and maintenance.

Installation and Startup

Startup Procedure & Adjustment

Step-by-step guide for initial furnace startup and adjustments.

Gas Pressure Measurement

Gas Supply Pressure Measurement

How to measure the incoming gas supply pressure.

Gas Manifold Pressure Measurement and Adjustment

Procedure for measuring and adjusting manifold gas pressure.

Gas Rate Measurement

Gas Input Rate Measurement (Natural Gas Only)

Airflow and Speed Adjustment

Temperature Rise

Circulator Blower Speeds

Operational Sequences

Normal Sequence of Operation

Describes the furnace's normal startup and running sequences.

Operational Checks and Safety Circuits

Operational Checks

Safety Circuit Description

Explanation of the furnace's safety controls and their functions.

Troubleshooting and Maintenance

Troubleshooting

General guidance for diagnosing operational issues.

Diagnostic Chart

Maintenance

Component Inspection and Repair

Induced Draft and Circulator Blowers

Before Leaving an Installation

Repair and Replacement Parts

Information on ordering replacement parts.

Troubleshooting Chart

Troubleshooting Guide

Detailed chart for diagnosing and correcting furnace issues.

Airflow Data

Airflow Charts

Wiring Diagrams

Wiring Diagram for MSS9;CSS9

Schematic showing electrical connections for specific models.

Goodman *MSS920804CN Specifications

General

Brand	Goodman
Model Number	MSS920804CN
Type	Gas Furnace
Heating Capacity	80, 000 BTU
Input BTU	80, 000 BTU
Stages	Single Stage
Fuel Type	Natural Gas
Installation Type	Upflow/Horizontal
Heat Exchanger Material	Aluminized Steel
Efficiency Rating	92% AFUE
Efficiency	92% AFUE
Ignition Type	Electronic
Vent Diameter	4 inches
Filter Size	16 x 25 x 1
Warranty	10-year limited parts warranty