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Aprilaire 224 User Manual

Aprilaire 224
26 pages
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SERVICE MANUAL
for HUMIDIFIER

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Aprilaire 224 Specifications

General IconGeneral
TypeBypass
Water Output12 gallons per day
Water Usage0.5 gallons per hour
Humidity ControlAutomatic or manual
InstallationDuct-mounted
Water Connection1/4 inch OD copper tubing
Mounting LocationOn supply or return duct
Voltage24V

Summary

General Service and Operation

Lack of Humidity Troubleshooting

Steps to diagnose and resolve insufficient humidity levels in the home.

Excess Humidity Diagnosis and Correction

Procedures for identifying and fixing excessive humidity issues.

Leaking Water Solutions

Methods to stop humidifier water leaks and their causes.

Addressing Humidifier Noise

Tips for reducing or eliminating operational noise from the unit.

Routine Humidifier Maintenance

Schedule and steps for regular unit upkeep and cleaning.

Evaporative Capacity Checks

How to measure and verify the humidifier's water evaporation rate.

Individual Unit Service: Models 220-600 Series

Lack of Humidity (Models 220-600)

Troubleshooting insufficient humidity for specific models.

Excess Humidity (Models 220-600)

Diagnosing and resolving excess humidity for these models.

Leaking Water (Models 220-600)

Fixing water leaks on these humidifier models.

Noise Troubleshooting (Models 220-600)

Addressing noise issues for these specific unit models.

Model 400 Specific Troubleshooting

Detailed troubleshooting for the Model 400.

General Maintenance (Models 220-600)

Routine care procedures for these models.

Individual Unit Service: Models 760, 760A, 768, 700

Lack of Humidity (Models 760 Series)

Troubleshooting insufficient humidity for specific models.

Humidifier Control Operation

Testing automatic and manual humidifier controls.

Excess Humidity (Models 760 Series)

Diagnosing and resolving excess humidity for these models.

Leaking Water (Models 760 Series)

Fixing water leaks on these humidifier models.

Noise Issues (Models 760 Series)

Addressing noise problems for these unit models.

General Maintenance (Models 760 Series)

Routine care procedures for these models.

Individual Unit Service: Models 445, 445A, 448

Lack of Humidity (Models 445 Series)

Troubleshooting insufficient humidity for specific models.

Water Supply System Issues

Diagnosing and resolving problems with the water supply.

Air Flow Adjustment

Checking and adjusting air flow for optimal performance.

Electrical Component Testing

Procedures for testing humidifier electrical parts.

Excess Humidity (Models 445 Series)

Diagnosing and resolving excess humidity for these models.

Leaking Water (Models 445 Series)

Fixing water leaks on these humidifier models.

Noise Troubleshooting (Models 445 Series)

Addressing noise issues for these unit models.

General Maintenance (Models 445 Series)

Routine care procedures for these models.

Individual Unit Service: Models 350 & 360

Lack of Humidity (Models 350/360)

Troubleshooting insufficient humidity for specific models.

Air Flow Checks

Ensuring proper air flow for humidifier operation.

Electrical Component Diagnosis

Testing and troubleshooting electrical parts for these models.

Excess Humidity (Models 350/360)

Diagnosing and resolving excess humidity for these models.

Leaking Water (Models 350/360)

Fixing water leaks on these humidifier models.

Noise Troubleshooting (Models 350/360)

Addressing noise issues for these unit models.

General Maintenance (Models 350/360)

Routine care procedures for these models.

Individual Unit Service: Models 110 & 112

Lack of Humidity (Models 110/112)

Troubleshooting insufficient humidity for specific models.

Air Flow Analysis

Checking and adjusting air flow for proper humidifier function.

Electrical Component Testing (Models 110/112)

Testing electrical parts for these specific models.

New Style Control System Testing

Verifying operation of new style controls.

Excess Humidity (Models 110/112)

Diagnosing and resolving excess humidity for these models.

Leaking Water (Models 110/112)

Fixing water leaks on these humidifier models.

Noise Troubleshooting (Models 110/112)

Addressing noise issues for these unit models.

General Maintenance (Models 110/112)

Routine care procedures for these models.

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