1. High voltage may cause serious injury from electric shock. Disconnect electrical power before starting installation or servicing. Leave power
disconnected until installation/service is completed.
2. Sharp edges may cause serious injury from cuts. Use care when cutting plenum openings and handling duct work.
3. Dropping may cause personal injury or equipment damage. Handle with care and follow installation instructions.
1. Read all instructions before beginning installation.
2. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible
for their safety. Children should be supervised to ensure that they do not play with the appliance.
3. Do not use in pool applications. Pool chemicals can damage the dehumidifier.
4. Do not use solvents or cleaners on or near the circuit board. Chemicals can damage circuit board components.
5. Wait 24 hours before running the unit if it was not shipped or stored in the upright position
6. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
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Model A320V1 and A320V3 Dehumidifier Installation and Operating Instructions ON/OFF BUTTON UP/DOWN OUTLET USED TO TURN BUTTONS USED TO DEHUMIDIFIER ON CHANGE HUMIDITY AND OFF SETTING MODE BUTTON USED FOR OPTIONAL FEATURES FILTER INLET 90-2432 DEHUMIDIFER CONTROL SAFETY INSTRUCTIONS WARNING 1.
UNPACKING THE DEHUMIDIFIER Use the cut line on the carton to pulll carton off dehumidfier� INCLUDED IN THE CARTON • Dehumidifier • 3/4" FNPT x 3/4" female pipe • Installation manual • 3/4" x 3/4" x 3/4" T-fitting • Hanging brackets •...
FLOOR MOUNTING The 5789 leveling feet kit (not included) is required for floor mounting� The drain hose must continuously slope downward toward the drain� Use solid supports as needed to elevate the unit enough to allow for continuous drain slope� Use the adjustable feet to level the unit right to left and front to back so that unit drains properly�...
SUSPENDING THE DEHUMIDIFIER INSTALL BRACKETS FOR SUSPENDING UNIT The brackets are designed to accommodate up to 1/2" threaded rod� 1. Insert bracket into slots on the base� See FIGURE 5� 2. Rotate the bracket up toward the dehumidifier and secure the bracket to the side of the dehumidifier using #12 sheet metal screws (provided)� This can be done with a 5/16"...
DRAIN INSTALLATION The blower draws air through the dehumidifier, putting the cabinet under FIGURE 8 – DRAIN ASSEMBLY negative pressure� As a result, the included P-trap is required for proper draining� The 3/4" FLEXIBLE TUBE installed drain fitting on the dehumidifier (INCLUDED) is 3/4"...
The A320V1 dehumidifier comes with a power cord that has a NEMA 6-20P plug that can simply be plugged into a corresponding NEMA 6-20R receptacle� The A320V3 dehumidifier comes with a power...
START UP AND SEQUENCE OF OPERATION USING THE DEHUMIDIFIER CONTROL 1. Press the ON/OFF button to turn the dehumidifier control ON� The display will show the current setting, and the dehumidifier blower will turn on to start sampling the air� The setting will be replaced by the measured humidity and “AIR SAMPLING”...
SYSTEM SET-UP & CHECKOUT Skip set up and proceed to INSTALLER TEST MODE on page 10 unless: INSTALLER TEST MODE • A Model A77 or other external control is to be installed • changing the air sampling rate If everything is properly wired, the dehumidifier and all of the 1.
WIRING AND SET-UP MODEL A77 CONTROL The Model A77 will measure the relative humidity and turn the dehumidifier on and off to control the humidity level to the desired setting� The humidity setting can be adjusted from the control, while the display allows easy access and monitoring of the humidity level in the space� It is recommended that the Model A77 be mounted at/near canopy height�...
ALTERNATIVE EXTERNAL CONTROL Alternatively, use any other humidity control system as long as it has a dry contact, normally open output dedicated to controlling the dehumidifier� Reference the installation literature provided with the alternative control for wiring, set-up, and operating details� TO INSTALL AND USE AN ALTERNATIVE EXTERNAL CONTROL, TO SET THE DEHUMIDIFIER TO USE THE ALTERNATIVE CONTROL, COMPLETE ALL STEPS:...
DAISY CHAIN WIRING Anden dehumidifiers can be wired in a daisy chain application, allowing one Model A77 or alternate dry contact dehumidistat to control any number of dehumidifiers wired together� Reference the dehumidifier Installation and Operation Manual for detailed set-up and operation�...
ALTERNATE EXTERNAL DRY CONTACT CONTROL AS DRIVING CONTROL When a dry contact control is used to control the first dehumidifier, Unit #1 must be set to EXTERNAL ENABLED in the set-up menu� All downstream units must be set up to EXTERNAL ENABLED in each set-up menu� See page 12 for set up details and wire as shown in FIGURE 14� SEQUENCE OF OPERATION Each unit in the daisy chain responds to the first unit being controlled by the external control�...
CODES (LOCATED ON BACK OF WIRE ACCESS COVER) See the Installation Instructions for troubleshooting error codes� For additional ERROR CODE FAILURE MODE assistance, Technical Support is available Monday through Friday, 7:00 a�m� to Internal %RH/Temperature Sensor Failure 5:00 p�m� CST, at (800) 972-3710� Model A77 Remote Control Communication Loss Contact Technical Support before replacing the unit or components and for additional troubleshooting.
TROUBLESHOOTING Technical Support is available Monday through Friday, 7:00 a�m� to 5:00 p�m� CST, at (800) 972-3710� Use the guides on the following pages to identify and correct system faults� Contact Technical Support before replacing the unit or any components and for additional troubleshooting� DIAGNOSTIC CODES When an error occurs, the Diagnostic Code along with SERVICE REQUIRED will be displayed on the control screen�...
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TABLE 2 – TROUBLESHOOTING GUIDE Symptom Possible Reason Troubleshooting Procedure Dehumidifier does not No power to unit� • Check that the dehumidifier is plugged in� turn on/run� • Check that the power switch is turned ON� • Check that the control is turned ON� •...
SERVICE PARTS 90-2440 Part Description Part No. Part Description Part No. Transformer, 40VA, 240V (V1) 71000069 User Interface 71000062 Transformer, 40VA, 277V (V3) 71000078 Low Temperature Sensor 71000084 Fuse, 1A, Slow-Blow 71000070 High Temperature Sensor 71000085 Internal Power PCB 71000026 Not Shown Compressor Contactor 71000061...
WARRANTY REGISTRATION Visit us online at anden.com to register your Anden product� If you do not have online access, please mail a postcard with your name, address, phone number, email address, product purchased, model number, date of purchase, and dealer name and address to: Research Products Corporation, P�O� Box 1467, Madison, WI 53701�...
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