Frequently Asked Questions
What is the EBAC DD900?
The EBAC DD900 is a high-capacity industrial desiccant dehumidifier designed for moisture removal, low humidity, deep drying, and condensation control.
What is the part number for this configuration?
The manufacturer part number is 10521GR-US.
What is the extraction capacity?
The High Extraction setting is 364 PPD at 27°C and 60% relative humidity. High Efficiency is 286 PPD and Deep Drying is 323 PPD under the same stated conditions.
What voltage does 10521GR-US require?
This exact configuration operates at 460V, 3-phase, 60 Hz.
What is the current rating?
The manufacturer lists the current rating at 13A for 10521GR-US.
What is the power rating?
The DD900 10521GR-US has a listed power rating of 9.8kW.
What is the maximum process airflow?
The maximum process dry-air airflow is 883 CFM. Nominal process airflow is 530 CFM.
What is the regeneration airflow?
The nominal regeneration wet-air airflow is 147 CFM.
What are the duct sizes?
The process air duct size is 8 inches and the regeneration air duct size is 6 inches.
What drying modes are available?
The DD900 provides High Extraction, High Efficiency, and Deep Drying settings through its electronic thermostat and variable-speed EC fan system.
Does the DD900 have variable fan speeds?
Yes. The unit incorporates two EC high-efficiency fans with variable-speed operation.
Can the DD900 use a humidistat?
Yes. The unit includes a remote humidity sensor facility, and optional rotary, internal-sensor, and external-sensor humidistats are available.
What is the operating temperature range?
The manufacturer specifies an operating range from -4°F to 104°F.
What are the dimensions?
The DD900 measures 48 inches high x 28 inches wide x 23 inches deep.
How much does the DD900 weigh?
The manufacturer lists the unit weight at 198 pounds.
What is the rotor wheel speed?
The rotor wheel speed is listed at 13.6 revolutions per hour.
What is included with 10521GR-US?
The package includes one DD900 460V desiccant dehumidifier and one DD900 460V owner's manual.
What should I verify before ordering?
Verify the exact 10521GR-US part number, 460V three-phase electrical supply, required drying mode, airflow requirements, duct configuration, operating temperature, installation space, and optional accessories.
Ordering Reminder: This listing is specifically for the EBAC DD900 460V configuration, part number 10521GR-US.