Aprilaire 850 Installation & Maintenance Instructions Manual
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Aprilaire 850 Installation & Maintenance Instructions Manual

Aprilaire 850 Installation & Maintenance Instructions Manual

Steam humidifier fan pack
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Model 850 Steam Humidifier Fan Pack
Installation & Maintenance Instructions

Table oF ConTenTS

Safety Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Materials list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications & Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mount Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Hose Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Grille Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Model 850 Steam Humidifier Fan Pack
ReaD anD SaVe THeSe InSTRUCTIonS
Start-up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Summary of Contents for Aprilaire 850

  • Page 1: Table Of Contents

    Model 850 Steam Humidifier Fan Pack Model 850 Steam Humidifier Fan Pack Installation & Maintenance Instructions Table oF ConTenTS Safety Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Start-up Procedure .

  • Page 2: Safety Cautions

    Sharp edges may cause serious injury from cuts. Use care when cutting openings and handling housing and grille. eXCeSS HUMIDITY Do not operate humidifier if Model 850 fan is not operating. Do not place objects in front of steam discharge. Condensation may cause damage.

  • Page 3: Materials List

    On a call for humidity the Model 800 Residential Steam Humidifier provides power to the Model 850 Fan Pack . The Model 850 blower distributes the steam to the room . When the call for humidity ends and the humidifier stops producing steam, the Model 850 Fan Pack will continue to operate for 2 minutes to distribute the remaining steam before de-activating .

  • Page 4: Installation Instructions

    InSTallaTIon InSTRUCTIonS loCaTIon The Model 850 must be located near the Model 800 Residential FIGURe 2 – Side View Steam Humidifier to minimize the length of the steam hose . If the Model 850 is mounted directly above the humidifier, 16” is required for the steam hose to make the bend .
  • Page 5 Trap #4028 as shown in Figure 5 to divert condensation to drain to eliminate gurgling noise . 90-1552 FIGURe 5 Hose Clamp To Steam Dispersion Tube or Model 850 Hose Clamp Fan Pack Steam Hose Steam Hose, 1" I.D. 1" I.D. (Downward Slope to Tee)

  • Page 6: Mount Housing

    InSTallaTIon InSTRUCTIonS (ConTInUeD) MoUnT HoUSInG The Model 850 Fan Pack installs between the studs of a standard 16” FIGURe 6 – Wall opening and Mounting on-center wall . Drywall on both sides of the wall must be removed for piping and wiring the Model 850 . To ensure proper operation, the Model 850 must be mounted level.

  • Page 7: Electrical Wiring

    GRIlle InSTallaTIon Use the two 5/8” screws to attach the Model 850 grille to the fan housing and drywall. See Figure 6 . If painting the grille is desired, see a painting professional for acceptable paint products for high temperature (212°F), high humidity environments .

  • Page 8: Start-Up Procedure

    Once the Model 800 Humidifier and Model 850 Fan Pack are installed, turn on main power to humidifier and open saddle valve . Turn on the humidifier and turn humidistat set point up . Model 850 fan will turn on . Once canister fills and water boils, steam will flow from the manifold and the fan will distribute it to the room .

  • Page 9: Troubleshooting Guide

    If a problem arises with the Aprilaire Model 850 Steam Humidifier Fan Pack, please review the following troubleshooting guide for possible causes and solutions . If the problem persists, call Aprilaire Tech Support toll-free at 1-800-334-6011 . Please be prepared to describe the exact nature of the problem .

  • Page 10: Service Parts

    SeRVICe PaRTS Part no. Description Digital Manual Humidistat 4028 Tee & Trap 4851 Blower Activation Relay 4997 Condensate Tubing with Wire Ties 4998 Grille 4999 5404 Transformer, 20VA...

  • Page 11: Limited Warranty

    This warranty gives you specific legal rights and you may also have other rights which vary from state to state . WaRRanTY ReGISTRaTIon Visit us on-line at www.aprilaire.com to register your Aprilaire product . If you do not have on-line access, please mail a postcard with your name, address, phone number, model number of product purchased and date of installation to: Research Products Corporation, P.O.
  • Page 12 P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 • www.aprilairepartners.com 10010006 4 .13 Printed in U.S.A. B2205862B © 2013 Aprilaire – A division of Research Products Corporation...

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