Aprilaire 800 Series Installation & Maintenance Instructions

Steam Humidifier
TABLE OF CONTENTS
Safety Cautions..........................................2
Materials List ...........................................3
Principles & Sequence of Operation.......................4
Specifications & Dimensions .............................5
Installation Instructions ..................................8
Choosing a Location .....................................8
- Dispersion Tube Location ..............................8
- Fan Pack Location ...................................10
- Elevation ..........................................11
- Distance from Humidifier to Dispersion Tube/Fan Pack.....12
- Humidifier Location..................................13
Prepare Humidifier for Mounting ..........................14
Install Steam Dispersion Tube/Fan Pack....................14
Mount Humidifier ......................................14
Install Steam Hose .....................................14
Supply Water..........................................14
Drain Line.............................................15
Electrical Power Wiring & Shut-off Switch ..................15
Automatic Digital Control and Accessory Wiring .............20
Manual Digital Humidistat and Fan Pack Wiring..............21
Automatic Digital Modulating Control Wiring ................22
Start-up Procedure .....................................24
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Shut Down Procedure...................................26
Display Panel ..........................................26
Maintenance...........................................27
Troubleshooting Guide ..................................28
Replacement Parts......................................31
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Series 800 Steam Humidifier
Installation & Maintenance Instructions

Aprilaire 800 Series Specifications

General

Type	Steam Humidifier
Installation	Professional installation recommended
Warranty	5-Year Limited Warranty
Coverage Area	Up to 6, 200 sq. ft.
Control	Automatic or manual control
Capacity	11.5, 16.0, 23.3, or 34.6 gallons per day (depending on model)
Voltage	120V or 240V (depending on model)