Aprilaire Dehumidifier 4655 User Manual

ManualHumidifier ControlSafety and Installation InstructionsWARNINGATTENTION INSTALLER: This product must beinstalled by a qualified heating and air c

10SPECIFICATIONSRANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15% to 50%OPERATIONAL DIFFERENTIAL . . . . . . . . . .

11INSTALLATION TEMPLATETEMPLATE SIZE: 4-5/32” x 2-7/16”1. CUT OUT TEMPLATE ALONG EDGES.2. PLACE TEMPLATE ON THE SHEET METAL RETURN PLENUMUPSTREAM OF (

RESEARCH PRODUCTS CORPORATIONP.O. BOX 1467 • MADISON,WI 53701-1467Call 800/334-6011 • FAX 608/257-435710007235 8.07 B2204275APrinted in USA

2WARNING1. 120 volts may cause serious injury from electricalshock. Disconnect electrical power to the furnacebefore starting installation. 2. Sharp e

3LOCATIONFor Wall Mount:• Locate on an inside wall of living area approximately 5’ abovethe floor.• Do not locate control in the direct path of drafts

4INSTALLING AND WIRINGWall Installation:1. Select location for the Humidifier Control on an inside wall.Mount the Humidifier Control in a location whe

5ANCHOR F (x2)SCREW E (x2)BASE PLATE DHUMIDISTAT SWITCH CCOVER BKNOB ABASE PLATE DFigure 1 – Wall Mount90-1228

6Duct (sheet metal) Installation:1. Select Humidifier Control location on furnace return air duct. 2. Use the attached template to mark the duct openi

7SCREW H (x4)INSIDE OFRETURNDUCTGASKET GBASE PLATE DHUMIDISTAT SWITCH CCOVER BKNOB ARETURN DUCTFigure 2 – Sheet Metal Duct Mount90-1229

8Duct (fiber board) Installation:1. Select Humidifier Control location on furnace return air duct. 2. Cut a rectangular hole in the duct board, no sma

9KNOB ASHEET METALPLATECUT OPENING INRETURN DUCTRETURNDUCTSHEET METALPLATERETURN DUCTBASE PLATE DCOVER BHUMIDISTAT SWITCH CGASKET GSCREW H (x4)INSIDE