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GMD1-60N, GDM1-80N service manual All installations, performedbyqualified
Models:
GMD1-60N
GDM1-80N
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Troubleshooting
Specifications
Install
Appendix B - Wiring Diagram
Appendix A - Replacement Parts
Maintenance
I. Electrical Wiring
Diagnostic Features
Figure C. INDUCER BLOWER ASSEMBLY
N. Furnace Checkout Procedure
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Contents
GAS-FIREDFURNACE
FOR YOUR SAFETY
DOWN FLOW & DIRECT VENT SEALED COMBUSTION
MODELS GMD1-60Nand GMD1-80N
I. SAFETY SECTION
after turning off the gas supply. A final test for gas leakage must be made after purging the gas line
WHAT TO DO IF YOU SMELL GAS
performedbyqualified
All installations
BEGINNING PAGE
TABLE OF CONTENTS
SECTION
Page
b.Non-combustiblematerial
a.Combustible material
MODELS GMD1-60Nand GMD1-80N
CLOSET
MODEL
III. FURNACE SPECIFICATIONS
GMD1-60
GMD1-80
GMD1-80
BLOWER DATA GMD1-60
C.FURNACE LOCATION
IV. INSTALLATION A. ROOF JACK
B. STANDARD CHIMNEY
Cottage Base Model 01COT-BASE Figure 1B
Combustible Floor Base Model 70-BASE Figure 1A
Coil Cabinet Model CE111S / CE211T
Figure 1C CE111S
D. BASE INSTALLATION
2.Cottage Base Model O1COT-BASE
E. ALCOVE INSTALLATION
F. CLOSET INSTALLATION WARNING HAZARD OF
G. COMBUSTION AIR
plate is supplied with the furnace for adapting the 3-inchround flex combustion air duct to the 2-inchx 7-inchcombustion air duct
H. GAS PIPING
I. ELECTRICAL WIRING
3.Connection Of Room Thermostat Wires
OPERATING INSTRUCTIONS
K. ADJUSTMENT OF HEAT INPUT RATE
J. INITIAL START UP
Page
L. BURNER ADJUSTMENT
Figure M. SETTING TEMPERATURE RISE
N. FURNACE CHECKOUT PROCEDURE
V. INSTALLERS INSTRUCTIONS TO USER
VI. STARTING THE UNIT
MAIN BURNER OPERATION CALL FOR HEAT SATISFIED
VII. TROUBLESHOOTING
Power must be disconnected before servicing
DIAGNOSTIC FEATURES
The LED will also flash once at power-up
TROUBLESHOOTING GUIDE
IS THERE LINE VOLTAGE ACROSS INDUCER POWER
Yes AFTER GAS VALVE OPENS, DO THE BURNERS IGNITE?
CHECK ALL
B.BURNERS
VIII. DEALER MAINTENANCE
A.ELECTRICAL
D. INSPECTING THE VENTING SYSTEM
Figure C. INDUCER BLOWER ASSEMBLY
F. HEAT EXCHANGER
E. GASKETS/SEALING MATERIALS
G. HOUSE AIR BLOWER
H. EXTENDED SHUTDOWN
A. WARNINGS AND CAUTIONS
IX. USER INFORMATION SECTION
C. INSPECTION AREAS
B. COMPONENT LOCATIONS
D.FILTER LOCATION AND CLEANING
APPENDIX A - REPLACEMENT PARTS
Page
APPENDIX B - WIRING DIAGRAM
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