DD900

Desiccant Dehumidifiers

Typical Extraction :
135 l/d
Voltage Requirements :
415
DD900

• Adjustable thermostat
• Air Filter
• High Capacity EC Fan
• Energy Efficient Heaters

Dehumidifiers are required wherever there is a need to  lower the humidity level to prevent corrosion, mould growth and condensation or  maintain a low humidity condition during manufacture, packaging or storing of hygroscopic products.

DD900
Part Number 10520GR-GB
Height (mm) 1203
Width (mm) 580
Depth (mm) 718
Weight (kgs) 90
Voltage 415
Phase 3
Frequency (Hz) 50
Power (kW) 9.8
Current (A) 14
Process Airflow - Dry Air (m3/hr) 900
Regen Airflow - Wet Air (m3/hr) 250
Process Air Duct Size (mm) 203
Regen Air Duct Size - Wet Air (mm) 152
Rotor Wheel Speed (rph) 13.6
Typical Extraction (l/d) 135
Min Operating Temp (°C) -20
Max Operating Temp (°C) 40
DD900
Part Number 10520GR-GB
On/Off Control Y
Electronic Controls Y
Manual / Automatic Mode Selection Y
Remote Humidistat Sensor Facility Y
Hours Run Meter Y
Mains Isolator Y
Variable Fan Speeds (Speed Controlled) Y
High Capacity PTC Heater Y
Process / Regen Air Filter Y
Dual Inlet Design Y
Free Standing Y
Humidistat O
Stainless Steel Construction O
Inlet Duct Attachments Y
High Temperature Safety Cut-outs Y
Part Number Description
3035157 Remote Humidistat
3035159 Humidistat with External Sensor
3035161 Humidistat with External Sensor
DD900

1x DD900 Desiccant Dehumidifier
1x DD900 Owners Manual

Methods of Dehumidification

Dehumidification is possible using two possible principles, Condensation with refrigeration style dehumidifiers and Adsorption with desiccant dehumidifiers. Desiccant dehumidifiers perform exceptionally well when used in cooler climates, or when a low dew-point, deep drying or low humidity levels are required. Since desiccant dehumidifiers do not produce water, they will work effectively down to sub zero temperatures. Their operation is simplistic yet extremely effective and reliable. Air (Process Air) is drawn into the dehumidifier, where is passes over a wheel  impregnated with Silica Gel. As the air passes over this wheel, any moisture present in the air, is absorbed into the Silica Gel wheel before leaving the dehumidifier as warm dry air. The Silica Gel wheel is continually, slowly rotating, typically at three revolutions per hour. As the wheel rotates a small  portion passes through the regeneration segment. During this phase a second air stream (Regeneration Air) is heated to a high temperature before passing over the wheel. Any moisture present in the wheel is released into this air stream, this hot wet air is then exhausted outside the area being dried.

Why Choose EIPL?

EIPL is Europe’s leading manufacturer of dehumidifiers and is a name you can rely on. No matter how extreme the conditions EIPL’s efficiency copes comfortably even at the coldest temperatures.

Rugged Construction & Years of Service

Over thirty seven years of development experience means you can rely on the proven track record of the EIP range of dehumidifiers. Every dehumidifier is designed for efficiency and ruggedness, and built to last. The popularity of EIP Ltd’s dehumidifiers with the plant hire trade speaks for their reliability, portability and outstanding durability.

DD900

The DD900 desiccant dehumidifier is an upright, compact design, which makes it easily accommodated within space restricted areas. The unit incorporates a PTC Heater ensuring maximum drying is immediately reached, and constantly maintained while the unit is running. The DD900 incorporates two EC fans with variable speed allowing the unit to be easily installed and commissioned in a wide range of applications.

An electronic thermostat allows and fully variable EC fans, allows the user to select the desired drying preference , ie High Efficiency, Deep Drying, or High Extraction.

The following table provides an example of capacities.

27°C 60% - EXAMPLE SETTINGS
High Extraction High Efficency Deep Drying
Process Airflow (m3/hr) 1100 900 700
Regen Airflow (m3/hr) 350 250 350
Regen Temperature Rise (K) 110 90 110
Extraction (l/d) 172 135 152
Dry Air Off (%) 12 14 6

Facility for an external humidistat allows the humidity level to be maintained at a preset condition. The EIPL range of desiccant dehumidifiers incorporate a rotors with a 82% active Silica Gel, thereby ensuring optimum performance over the equipments wide operating range

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