Goodman GMV series User Manual

80%, 90%, 95% Gas Furnaces
& Accessories
ACS, ACV, ADS, ADV, AMH, AMS, AMV, DCS, DDS,
DHS, DMS, GCH, GCS, GDH, GDS, GCV, GHS, GKS,
GME, GMH, GMS, GMV
RS6610004 Rev. 2
November 2007
Service
Instructions
This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does
not assume any responsibility for property damage or personal injury due to improper service
procedures or services performed by an unqualified person.
Copyright © 2006-2007 Goodman Manufacturing Company, L.P.
www.goodmanmfg.com www.amana-hac.com

Goodman GMV series Specifications

General

Brand	Goodman
Model	GMV series
Category	Furnace
Language	English

Summary

Service Instructions

Product Identification

Operating Instructions

For Your Safety Read Before Operating

Crucial safety guidelines before operating the furnace.

What to Do If You Smell Gas

Emergency procedures for gas leaks, critical safety information.

Product Design

Safety

Essential safety precautions for installation and operation.

Location Requirements and Considerations

Combustion and Ventilation Air Requirements

Critical information on air supply needed for safe combustion.

Category I Venting (Vertical Venting)

Propane Gas and/or High Altitude Installations

Instructions for converting to propane or installing at high altitudes.

VENT/FLUE PIPE AND COMBUSTION AIR PIPE (90% FURNACES ONLY)

Termination Locations (90% Furnaces Only)

GAS SUPPLY AND PIPING

Gas Piping Connections

GAS PIPING CHECKS

PROPANE GAS TANKS AND PIPING

24 VOLT THERMOSTAT WIRING

CIRCULATOR BLOWER SPEED ADJUSTMENT

NORMAL SEQUENCE OF OPERATION

System Operation

HEATING - Abnormal Operation

Troubleshooting common heating issues and diagnostic codes.

START-UP PROCEDURE AND ADJUSTMENT

Steps for initial setup and adjustment of the furnace.

Troubleshooting Chart

Maintenance

ANNUAL INSPECTION

CONDENSATE DRAINAGE SYSTEM (QUALIFIED SERVICER ONLY)

FLUE PASSAGES (QUALIFIED SERVICER ONLY)

Servicing

S-1 CHECKING VOLTAGE

Steps for measuring electrical voltage at key points.

S-3A THERMOSTAT AND WIRING

S-4 CHECKING TRANSFORMER AND CONTROL CIRCUIT

S-15 CHECKING CAPACITOR

S-16A CHECKING AIR CIRCULATOR BLOWER MOTOR (PSC & ECM)

Procedures for testing blower motors, including PSC and ECM types.

Replacing ICM Control Module

Troubleshooting Chart for ECM/ICM Variable Speed Air Circulator Blower Motors

Guide to diagnosing ECM/ICM blower motor issues.

VARIABLE SPEED (ECM) MOTOR TEST (Low Stage Heat Call)

Testing ECM motor for low-stage heating call.

S-200 CHECKING DUCT STATIC

S-201 CHECKING TEMPERATURE RISE

S-300 CHECKING PRIMARY LIMIT CONTROL

Steps for testing the primary limit control switch.

S-301 CHECKING AUXILIARY LIMIT CONTROL

Procedures for testing the auxiliary limit control switch.

S-302 CHECKING FLAME ROLLOUT CONTROL

Steps to check and test the flame rollout safety control.

S-303 INDUCED DRAFT BLOWER MOTOR

S-307 CHECKING GAS PRESSURE

Measuring and adjusting gas supply and manifold pressures.

Gas Manifold Pressure Measurement and Adjustment (80% & 90% Single-Stage Furnaces)

Adjusting manifold pressure for single-stage furnaces.

Propane Gas Adjustments

S-308 CHECKING HOT SURFACE IGNITOR

S-310 CHECKING PRESSURE CONTROL

S-311 HIGH ALTITUDE APPLICATION (USA)

S-313 CHECKING INTEGRATED IGNITION CONTROL BOARDS

Troubleshooting integrated ignition control boards.

S-314 CHECKING FLAME SENSOR

Testing the flame sensor for proper combustion proof.