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Amana GUIA070A30 User Manual

Amana GUIA070A30
106 pages
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RS6620002
Revision 2
December 1998
Service
Instructions
40" 80% Gas Furnaces
GUIA, GCIA, GUIB, GCIB, GUIC, GCIC
GUID, GUIS, GCIS, GUIV & Accessories
Model and Manufacturing
numbers listed on page 4&5
This manual is to be used by qualified HVAC
technicians only. Amana does not assume
any responsibility for property damage or
personal injury for improper service
procedures done by an unqualified person.
A
higher standard of comfor
t
Heating
n
Air Conditioning
®

Table of Contents

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Amana GUIA070A30 Specifications

General IconGeneral
BrandAmana
ModelGUIA070A30
CategoryFurnace
TypeGas
Heating Capacity70, 000 BTU
Input BTU70, 000 BTU
Blower MotorMulti-Speed
StagesSingle Stage
IgnitionElectronic
WarrantyLimited Lifetime Heat Exchanger
Fuel TypeNatural Gas

Summary

Important Information

Important Notices

Warnings and disclaimers regarding service safety and responsibility.

Safety Symbols and Labels

Explanation of safety symbols and their meanings.

Product Identification

Model and Manufacturing Numbers

Lists model/M/N pairs for part identification.

Accessory Identification

Lists various furnace accessory kits and items.

Model Number Breakdown

Explains the coding system used in model numbers.

Furnace Specifications

GUIA Series Specifications

Technical data for GUIA furnace models.

GCIA Series Specifications

Technical data for GCIA furnace models.

GUIB Series Specifications

Technical data for GUIBA furnace models.

Blower Performance Specifications

Single Stage Blower Performance

CFM and temperature rise data for single-stage models.

Two Stage Blower Performance

CFM and temperature rise for two-stage models.

Variable Speed Blower Operation

Cooling and heating speed charts for variable speed models.

Combustion and Ventilation Air Requirements

General Air Requirements

General provisions and requirements for air supply.

Confined Spaces Air Supply

Specific air supply methods for confined spaces.

Louvers and Grilles Considerations

Factors affecting free area calculations for openings.

Product Design

Gas Supply and Piping

Guidelines for connecting gas supply and piping.

High Altitude Derate Procedures

Adjustments for furnace operation at high altitudes.

Electrical Wiring Overview

Instructions for electrical connections and accessories.

System Operation

Normal Sequence of Operation (Heating)

Step-by-step heating operation for integrated controls.

Abnormal Operation and Diagnostics

Troubleshooting furnace issues via diagnostic codes.

Timing Charts for Two Stage Operation

Timing diagrams for GUIS/GCIS two-stage operation.

Servicing

Test Equipment Requirements

Essential tools for accurate diagnosis and repair.

Heating Performance Test

Procedure to calculate BTU input for performance analysis.

Checking Gas Pressure

Procedures for measuring inlet and manifold gas pressures.

Wiring Diagrams

Blower Motor Control Wiring

Factory wiring for blower motors to the control module.

Furnace Common Vent Kit Wiring (CVK4-7)

Schematic for the common vent kit wiring.

Furnace Twining Kit Wiring

Schematics for furnace twinning kits (FTK02A/FTK03A).

Schematics

Ignition Control Module Schematics

Schematics for White-Rodgers and Heatcraft ignition controls.

Common Vent Kit Schematic

Wiring schematic for the CVK4-7 common vent kit.

Furnace Twining Kit Schematics

Schematics for furnace twinning kits (FTK02A/FTK03A).

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