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Nordyne G6 Series User Manual

Nordyne G6 Series
44 pages
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G6 Series
80+ Mid Efficiency
Upflow Horizontal/
Downflow Models
Service Manual

Table of Contents

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Nordyne G6 Series Specifications

General IconGeneral
Fuel TypeNatural Gas or Propane
Heating Capacity40, 000 to 120, 000 BTU/h
AFUE Rating80%
EfficiencyUp to 80%
Heating StagesSingle Stage
Cabinet TypeUpflow, Downflow, or Horizontal

Summary

Clearances to Combustibles

VENTING AND COMBUSTION AIR REQUIREMENTS

Installation In A Confined Space

Requirements for installing furnaces in confined spaces for combustion air.

VENTING REQUIREMENTS

General

Compliance requirements for furnace venting according to codes and instructions.

Category I - Common Venting

Procedures for common venting with other appliances.

Category III - Horizontal Venting

Leak Check

ELECTRICAL WIRING

General

Electrical connection requirements and codes for furnaces.

SYSTEM OPERATION INFORMATION

Furnace Fails to Operate

Troubleshooting steps when the furnace does not operate.

Troubleshooting Flow Chart

UTEC G6-FURNACE CONTROL SEQUENCE Start-up / Shut-Down

NORMAL START-UP SEQUENCE

Detailed steps for the furnace's normal start-up procedure.

NORMAL SHUT-DOWN SEQUENCE

Detailed steps for the furnace's normal shut-down procedure.

Control Board

High Limit Controls

Main Air Limit Control

Vent Limit Control

Roll Out Limit Control

Lower (Lesser) Negative Pressure Than Closing Pressure

Adjusting Manifold Pressure

Reasons for Poor Micro Amp Readings

GAS CONVERSION AND HIGH ALTITUDE DERATE

High Altitude Derate

Adjustments for furnace input rating based on elevation.

Verifying and Adjusting Firing Rate

Procedures for checking and adjusting the furnace's firing rate.

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