Aprilaire Dehumidifier 65 User Manual download pdf (Page 3)

INSTALLATION

MOUNT CONTROL

PULL APART

FRONT COVER

BACK

PLATE

RH SETTING

LABEL

FIGURE 2 – Disassemble Control

90-1667

BACK PLATE

ANCHOR

SCREW

MOUNTING HOLES

WIRE ACCESS OPENING

4-CONDUCTOR WIRE

FIGURE 3 – Mount Back Plate

90-1668

See Figures 2 & 3.

1. Remove front cover by pulling straight out.

2.Positionthebackplateonthewallandmarkthelocationsforthewireaccessholeandthe

mounting screws. NOTE:Themountingholescanalsobeusedtosecurethebackplatetoa

standard horizontally mounted junction box.

3.Formountingondrywall,drilltwo3/16”dia.mountingholesanda3/4”openingforthewires.

4. Insert the drywall anchors provided into the mounting holes flush with the wall surface.

5. Run 4-wire cable from the humidifier to the control location.

6.Securebackplateusingthetwo#8x1-1/2”screwsprovided.

7.Afterconnectingthewires,tuckexcesswireintothewallandfilltheopeningwithinsulating

material. Failure to seal the opening may result in inaccurate operation due to drafts.

WIRING

WIRING – Model 65 with Aprilaire Model 400, 500, 600, and 700 Series

Evaporative Humidifiers

The Model 65 control requires 24VAC. Drawing power from the HVAC system is the

recommended method for this installation. See Figures 4 & 5.

1. Disconnect power to the humidifier and HVAC system.

2. Connect the C and R terminals on the Model 65 to the HVAC or thermostat C and R terminals.

3. Connect Model 65 H terminals to the humidifier solenoid valve control circuit as shown.

4.Snapthefrontcoverontothebackplate.The4-pinterminalalignswiththeterminalblock

receptacleonthebackplate.

5. Proceed to SYSTEM CHECKOUT on page 9.

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Aprilaire Dehumidifier 65 User Manual Page 3