Amana GUIA115A40 User Manual

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
®

Amana GUIA115A40 Specifications

General

Brand	Amana
Model	GUIA115A40
Category	Furnace
Language	English

Summary

Important Information and Safety

Product Identification and Specifications

Operating and Safety Precautions

Essential safety instructions, gas leak procedures, and furnace operation guidelines for safe use.

Blower Performance Specifications

Single Stage Blower Data

Two Stage Blower Data

Two Stage - Variable Speed Blower Charts

Cooling and heating speed charts for variable speed two-stage furnaces.

Combustion and Ventilation Air

Air Supply Requirements

General guidelines for providing adequate air for combustion and ventilation in buildings.

Equipment Installation in Confined Spaces

System Operation

Sequence of Operation

Describes the normal heating sequence for integrated ignition controls.

Abnormal Operation and Diagnostics

Lists common faults, causes, and diagnostic light codes for furnace operation.

Maintenance Procedures

Annual Inspection and Filter Replacement

Recommended annual checks, filter importance, and replacement procedures.

Flue Passage and Burner Maintenance

Servicing and Troubleshooting

Test Equipment and Performance Testing

Essential tools and procedure to calculate BTU input and check furnace performance.

Component Diagnosis and Testing

Detailed steps for testing voltage, wiring, thermostat, controls, and gas valve.

Blower, Ignition, and Pressure Switch Checks

Gas Pressure and High Altitude Adjustments

Wiring Diagrams

Schematics

White-Rodgers 50A50 Integrated Ignition Control Schematic

Schematic for White-Rodgers 50A50 ignition control used in GUIA, GUIC, GCIA, GCIC models.