Aprilaire 65 Dehumidifier User Manual


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WIRING – Model 65 with Model 800 Steam Humidifier
The Model 65 control requires 24VAC. See Figure 6.
1.DisconnectpowerfromtheModel800andHVACsystem.
2. Connect 24VAC to the C and R terminals on the Model 65.
3.ConnecttheHterminalsontheModel800totheHterminalsontheModel65.
4.SnaptheModel65frontcoveron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.
NOTE:IftheModel800SteamHumidifierisinstalledwithaModel850FanPack,theModel
65Controlcanbepoweredfromthe24VACsecondarywiresontheModel800transformer,by
splicing into the wires using tap connectors. See Figure 7.
APRILAIRE
EVAPORATIVE
HUMIDIFIER
SOLENOID VALVE
CIRCUIT WIRES
ACCESSORY
TERMINALS
MODEL 65 CONTROL
HVAC EQUIPMENT
FIGURE 4 – Recommended Wiring for Model 65 Control and Evaporative Humidifier
90-1669
APRILAIRE
EVAPORATIVE
HUMIDIFIER
SOLENOID VALVE
CIRCUIT WIRES
MODEL 65 CONTROL
HVAC EQUIPMENT
24VAC
CONTINUOUSLY
POWERED
TRANSFORMER
COMMON
MOTOR
LEAD
HVAC BLOWER
MODEL 50
RELAY
FIGURE 5 – Alternate Wiring for Model 65 Control and Evaporative Humidifier
90-1671
MODEL 800
STEAM HUMIDIFIER
MODEL 65 CONTROL
HVAC EQUIPMENT
HUMIDISTAT
FIGURE 6 – Recommended Wiring for Model 65 Control
and Model 800 Steam Humidifier
90-1672
6
7
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