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READ AND SAVE THESE INSTRUCTIONS
The Model A65 humidifier control is for use with any humidifier
requiring an ON/OFF signal for a 24 volt circuit.
SAFETY INSTRUCTIONS
1. Improper installation may cause property damage or injury. Installation, service, and
maintenance must be performed by a qualified service technician.
2. 120 Volts may cause serious injury from electric shock. Disconnect electrical power before
starting installation or servicing. Leave power disconnected until installation/service is
completed. This control is not a 120 Volt (line voltage) device.
1. Read all instructions before beginning installation.
2. Do not adjust humidity set-point above recommended level or to recommended level
if condensation occurs on inside surface of windows or on other surfaces. Excess
condensation can cause damage to structure or furnishings. Excess moisture can also
allow the possibility for mold growth to occur.
3. Do not use solvents or cleaners on or near the display and circuit board. Chemicals can
damage components.
Model A65
Humidifier Control
Installation Instructions
WARNING
CAUTION
1
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Summary of Contents for Anden A65
- Page 1 Model A65 Humidifier Control Installation Instructions READ AND SAVE THESE INSTRUCTIONS The Model A65 humidifier control is for use with any humidifier requiring an ON/OFF signal for a 24 volt circuit. SAFETY INSTRUCTIONS WARNING 1. Improper installation may cause property damage or injury. Installation, service, and maintenance must be performed by a qualified service technician.
- Page 2 The control allows for adjustment of the humidity setting and to turn the humidifier on and off from a convenient location� The Model A65 uses an onboard sensor to monitor the relative • In stairwells or near outside doors�...
- Page 3 INSTALLATION FIGURE 3 – MOUNT BACK PLATE MOUNTING HOLES WIRE ACCESS OPENING MOUNT CONTROL 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�...
- Page 4 3. Connect the H terminals on the steam humidifier to the H terminals on the Model A65� WHITE 24VAC 4. Snap the Model A65 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 8�...
- Page 5 2. Restore power to the HVAC system and humidifier� a. Verify the humidifier turns off� 3. After a 4 second start up sequence all buttons on the Model A65 will be functional� • The control will be OFF� HUMIDITY SETTING •...
- Page 6 TURNING ON AND SETTING THE CONTROL TABLE 1 – TROUBLESHOOTING GUIDE Symptom Possible Reason Troubleshooting Procedure 1. Press the ON button� Verify wiring connections between control, 2. Use the buttons to set the control to desired RH percent� Incorrect wiring� humidifier and HVAC system (where applicable)�...
- Page 7 P.O. Box 1467 Madison, WI 53701-1467 800.972.3710 F: 608.257.4357 Printed in USA ©2020 Anden – A Quality brand from Research Products Corporation 61001975 B2209046A 12.20...
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