Furnace Humidifier Manual

The Furnace Humidifier is a whole-home humidification system designed to work with your existing HVAC system, providing optimal humidity levels for comfort and health. Features include automatic humidity control, digital display, easy installation, low maintenance, and compatibility with most furnace types. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to HVAC System 7. Operation and Maintenance 8. Water Quality Requirements 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Humidifier unit, Control panel, Water solenoid valve, Drain line, Bypass damper, Installation kit.

Feature	Description
Digital Control Panel	For setting and monitoring humidity levels
Automatic Humidity Control	Maintains set humidity level automatically
Water Solenoid Valve	Controls water flow to humidifier
Bypass Damper	Directs warm air through humidifier
Drain Line	Removes excess water from system
Water Panel Indicator	Alerts when water panel needs replacement
Installation Kit	Includes all necessary mounting hardware
Low Water Usage	Efficient water consumption design
Compatible with Most Furnaces	Works with gas, electric, and oil furnaces
Easy Maintenance	Quick-access water panel replacement

Installation

Unpack and inspect contents. Ensure proper location near furnace.

Turn off power to furnace and water supply.
Mount humidifier unit on supply or return duct.
Connect water supply line to solenoid valve.
Install bypass duct between supply and return plenums.
Connect drain line to proper drainage point.
Wire control panel to furnace and power source.

WARNING! Installation should be performed by qualified HVAC technician. Ensure proper electrical and water connections to prevent damage.

First-Time Setup

Power on system; follow initial setup procedure.

Set desired humidity level: Use control panel to set between 30-50% RH.
Calibrate humidity sensor: Allow 24 hours for accurate readings.
Test operation: Verify water flow and proper drainage.
Set seasonal adjustments: Lower humidity in colder weather.

CAUTION! Do not set humidity too high in cold weather to prevent window condensation.

Specifications

Coverage Area: Up to 3,000 square feet.
Humidity Range: 15% to 60% RH.
Water Connection: 1/4" compression fitting.
Power Requirements: 24V AC from furnace transformer.
Water Usage: 3-12 gallons per day depending on settings.
Dimensions: 16" x 10" x 8".
Weight: 8 lbs.
Operating Temp: 40°F to 120°F.

Controls and Settings

Access settings via digital control panel. Main controls: POWER, HUMIDITY SET, FAN CONTROL, MANUAL/AUTO mode.

Control Panel: Digital display shows current humidity, set point, and system status.

Humidity Settings: Adjust between 15-60% RH. Fan Control: Continuous or furnace-fan activated. Manual Mode: Override automatic operation. System Check: Diagnostic mode for troubleshooting.

Connecting to HVAC System

Proper integration with furnace system is crucial for optimal performance.

Ensure furnace is compatible with humidifier system.
Connect control wiring to furnace control board.
Install bypass duct with proper slope for air flow.
Connect water supply to cold water line.
Route drain line to floor drain or condensate pump.

Tip: Install humidifier on warm air supply duct for best performance.

Operation and Maintenance

Regular maintenance ensures optimal performance and longevity.

Replace water panel: Every 1-2 seasons or when indicated.
Clean humidifier: At beginning and end of heating season.
Check drain line: Ensure clear and flowing properly.
Inspect water connection: Look for leaks or mineral buildup.
Test operation: Verify proper humidity control.
Seasonal shutdown: Turn off and drain for summer months.

WARNING! Always turn off power and water before performing maintenance.

Water Quality Requirements

Water quality affects performance and maintenance frequency.

Use standard residential water supply. Hard water may require more frequent water panel changes. Consider water softener if hardness exceeds 10 grains per gallon. Do not use with well water containing high iron content without proper filtration.

Care & Cleaning

Turn off power and water before cleaning. Use mild detergent and soft brush for cleaning. Rinse thoroughly with clean water.

CAUTION! Do not use harsh chemicals or abrasive cleaners. Ensure unit is completely dry before restarting.

Regulatory Information

UL Listed for safety standards. Complies with HVAC industry standards. Manufactured under ISO 9001 quality standards. For technical support, visit www.humidifymanufacturer.com or contact 1-800-555-1234.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No humidity output	Water supply off/clogged	Check water valve; ensure water panel is clean; verify power.
Water leaking	Loose connections/damaged parts	Tighten fittings; replace damaged components; check drain line.
Low humidity	Settings/mineral buildup	Increase humidity setting; replace water panel; check bypass damper.
Unit not turning on	Power/control issues	Check furnace power; verify control wiring; test transformer.
Excessive water usage	Stuck solenoid/incorrect settings	Replace solenoid valve; adjust humidity settings; check for leaks.

Reset: Turn power off for 30 seconds then restart.

Service: 1-800-555-1234; www.humidifymanufacturer.com