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Amana GUIB070CX40 User Manual

Amana GUIB070CX40
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 GUIB070CX40 Specifications

General IconGeneral
ModelGUIB070CX40
TypeUpflow/Horizontal
Efficiency Rating80% AFUE
Fuel TypeNatural Gas
StagesSingle Stage

Summary

Important Safety Information

Important Notices

Covers critical safety warnings, disclaimers, and contact information for assistance.

Recognize Safety Symbols, Words and Labels

Explains the meaning of safety symbols like DANGER, WARNING, and CAUTION.

Product Identification

For Your Safety: Read Before Operating

Essential pre-operation safety guidelines, including what to do if gas is smelled.

Furnace Specifications

Blower Performance Specifications

Single Stage

Blower performance data for single-stage furnace models.

Two Stage

Blower performance data for two-stage furnace models.

Two Stage - Variable Speed

Blower performance for variable speed two-stage furnaces.

Combustion and Ventilation Air

Air Requirements

Essential guidelines for providing adequate air for combustion and ventilation.

Product Design

Gas Supply and Piping

Details on gas line connections, supply pressure, and piping requirements.

Connecting the Gas Piping - Natural Gas

Step-by-step instructions for connecting natural gas piping to the furnace.

Tanks and Piping - Propane Units

Requirements and safety considerations for propane gas tanks and piping.

Electrical Wiring

Guidelines and safety precautions for electrical wiring connections.

Thermostat Wiring

Wiring diagrams for connecting single-stage and two-stage thermostats.

System Operation

Sequence of Operation

Step-by-step description of normal heating and cooling operational sequences.

Abnormal Operation

Troubleshooting guide for identifying and resolving abnormal furnace operations.

Abnormal Operation (for HSI-2)

Troubleshooting specific abnormal conditions related to the HSI-2 control module.

Diagnostic Signal Chart

Interpreting fault codes indicated by the diagnostic light on control modules.

Abnormal Operation (for WR50A52 Radiant Sense)

Troubleshooting abnormal operations for WR50A52 Radiant Sense ignition controls.

Troubleshooting Chart for Models Using Heatcraft HSI-2 Ignition Control

Comprehensive guide to diagnosing issues with Heatcraft HSI-2 ignition controls.

Sequence of Operation (for WR 50A52 Radiant Sense)

Operational sequence for WR50A52 Radiant Sense ignition control models.

Sequence of Operation (for GUIS & GCIS Two Stage)

Operational sequence for GUIS and GCIS two-stage furnace models.

Abnormal Operation (for GUIV Variable Speed Two Stage Models)

Troubleshooting abnormal operations specific to GUIV variable speed models.

Sequence of Operation (for GUIV Variable Speed Two Stage Models)

Operational sequence for GUIV variable speed two-stage furnace models.

Operating Instructions

Step-by-step instructions for operating the furnace.

Maintenance

Annual Inspection

Recommended yearly maintenance checks for ensuring proper furnace function.

Servicing

Heating Performance Test

Procedure for testing furnace heating output and diagnosing performance issues.

Troubleshooting Guide

A comprehensive guide to diagnose and resolve common furnace problems.

S-1 Checking Voltage

Procedure for checking electrical voltage levels at various furnace points.

S-13 Checking White-Rodgers 50A50 or 50A51 and Heatcraft HSI 1-1A or HSI 2 Integrated Ignition Control Module

Checking specific ignition control modules for proper function and faults.

S-13A Checking WR50A52 Integrated Ignition Control Module (Radiant Sense)

Checking the WR50A52 Radiant Sense ignition control module for issues.

S-14 Checking Flame Sensor - Flame Rectification - Ignition Control Module

Checking the flame sensor's function in proving combustion.

S-18 Checking Gas Pressure

Methods for measuring and checking gas supply pressure.

Gas Manifold Pressure Measurement and Adjustment

Measuring and adjusting gas manifold pressure for optimal performance.

Gas Valve Adjustment Procedures for GUIS/GCIS/GUIV Two-Stage Furnaces

Specific procedures for adjusting gas valves on two-stage furnaces.

Wiring Diagrams

Schematics

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