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Amana GUIB070CX30 User Manual

Amana GUIB070CX30
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 GUIB070CX30 Specifications

General IconGeneral
BrandAmana
ModelGUIB070CX30
CategoryFurnace
Input BTU70, 000 BTU
StagesSingle Stage
Fuel TypeGas
Heating Capacity70000 BTU
Heat Exchanger WarrantyLifetime
Parts Warranty10 Years

Summary

IMPORTANT INFORMATION

IMPORTANT NOTICES

Key safety warnings and disclaimers for service.

PRODUCT IDENTIFICATION

Model Identification Charts

Lists of model numbers and their corresponding manufacturing numbers.

FURNACE SPECIFICATIONS

GUIA Model Specifications

Technical data including input, output, AFUE, and pressure for GUIA models.

GUIB Model Specifications

Technical data including input, output, AFUE, and pressure for GUIB models.

GUIC Model Specifications

Technical data including input, output, AFUE, and pressure for GUIC models.

GUID Model Specifications

Technical data including input, output, AFUE, and pressure for GUID models.

GCIA Model Specifications

Technical data including input, output, AFUE, and pressure for GCIA models.

GCIB Model Specifications

Technical data including input, output, AFUE, and pressure for GCIB models.

BLOWER PERFORMANCE SPECIFICATIONS

Single Stage Blower Performance

CFM and temperature rise data for single-stage furnaces at various ESP.

Two Stage Blower Performance

CFM and temperature rise data for two-stage furnaces.

Two Stage Variable Speed Blower Performance

CFM and speed data for variable speed two-stage furnaces.

COMBUSTION AND VENTILATION AIR

Air Requirements

Rules for providing adequate air for combustion and ventilation.

PRODUCT DESIGN

Gas Supply and Piping

Guidelines for connecting natural gas and propane supply lines.

Electrical Wiring

Instructions for proper electrical connections and accessory wiring.

Thermostat Wiring

Typical wiring configurations for single-stage and two-stage thermostats.

SYSTEM OPERATION

Sequence of Operation

Step-by-step process for normal heating and cooling operation.

Abnormal Operation

Troubleshooting common furnace malfunctions and diagnostic codes.

Troubleshooting Chart

Detailed chart linking symptoms, codes, causes, and corrective actions.

Abnormal Operation (Radiant Sense)

Troubleshooting specific to Radiant Sense ignition controls.

Sequence of Operation (GUIS/GCIS)

Step-by-step heating sequence for GUIS/GCIS two-stage furnaces.

Abnormal Operation (GUIV)

Troubleshooting for GUIV variable speed furnaces with diagnostic codes.

Sequence of Operation (GUIV)

Step-by-step heating sequence for GUIV variable speed furnaces.

MAINTENANCE

Annual Inspection

Recommended annual checks for furnace components and safety.

SERVICING

Heating Performance Test

Procedure to calculate BTU input and assess heating performance.

Checking Voltage

Steps to measure line and low voltage for troubleshooting.

Checking Primary Limit Control

Procedures for testing the automatic reset primary limit control.

Checking Auxiliary Limit Control

How to test and reset the auxiliary limit control.

Checking Flame Rollout Switch

Procedures for testing and resetting the flame rollout switch.

Checking Pressure Switch

How to test the pressure switch for proper operation.

Checking Blower Motor

Procedures for testing the circulator and induced draft blower motors.

Checking Ignition Control Module

Troubleshooting the White-Rodgers and Heatcraft integrated ignition control modules.

Checking Ignition Control Module (Radiant Sense)

Troubleshooting for Radiant Sense ignition controls and their modules.

Checking Flame Sensor

Procedures for testing the flame sensor and ignition control module.

Checking Gas Pressure

Procedures for measuring and adjusting inlet gas supply pressure.

Gas Manifold Pressure Measurement and Adjustment

Steps to measure and adjust gas manifold pressure for natural gas.

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