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ML-L Series
with Air Cooled Condenser
Product Description
The ML690L desiccant dehumidifier with air cooled condenser isdesigned to efficiently dehumidify in unheated closed spaces. Thewet air from the dehumidifier is passed through the air cooledcondenser and then returned to the rotor in a closed loop circuit.The components within the closed loop are constructed of stainlesssteel and thermoset plastic. Water removed by the condenser isdrained away. The heat from the air cooled condenser is theneither used in the application or ducted away.Its rugged formed metal frame and access panels are produced fromcorrosion resistant Aluzink®. The electrical system conforms toestablished ML-L Series standards as well as to both harmonisedEuropean Standards and to CE marking specifications.
Munters Rotor Technology
The desiccant rotor is manufactured from a corrugated compositematerial that is highly effective at attracting and holding watervapour. Every Munters dehumidifier applies a unique rotortechnology. Airflows, air conditions, rotor sections, and rotorrotation speeds are optimised for specific applications. Aninnovative control system maximises the units energy efficiency.A characteristic of the ML-L Series rotor technology is an extrarotor sector which provides high capacity, while simultaneouslyrecovering heat, thereby effectively reducing the electrical powerrequirement. The reactivation air is continually re-circulated.
PRODUCT INFORMATION
ML690L
Features
- Advanced control panel -diagnostic heat available.
- Heat recovery – condenser heatavailable.
- Easy to install – no wet air ductneeded.
- Dehumidifies efficient down to-0ºC.
- Unique plastic rotor casing 100%corrosion resistance.
Model ML690LDiagram measurements are for referenceonly.
Scaled and dimensioned AutoCaddrawings are available in MuntersDryCap program.
D
E
B
A
C
Width (A) 1500 mm
Depth (B) 590 mm
Height (C) 1405 mm
Diam. (D) 200 mm
Diam. (E) 250 mm
Weight 232 kg
Technical Specification
Process AirRated airflow (m³/h) 690Available static pressure (Pa) 300
Reactivation airRated airflow (m³/h) 254
Condenser airRated airflow (m³/h) 1250Available static pressure (Pa) 200Fan motor power (kW) 1,1Sensible heat, condenser air (kW) 5,1
Total power,voltage and current (amps/phase)Total power(kW) 9,37220V 3-50Hz (A) 27,6230V 3-50Hz (A) 27,3380V 3-50Hz (A) 16,0400V 3-50Hz (A) 15,6415V 3-50Hz (A) 15,3
Miscellaneous DataOperating temperature (ºC) +0/+25Max noise level unducted (dBA) 74Air filter standard G3IEC protective class (unit) IP33IEC protective class (electrical panel) IP54
DehumidificationCapacity
Approximate capacity in kg/h atdifferent inlet process air relativehumidity, % RH.
Dehumidification capacity, kg/h
0
1,2
2,4
3,6
4,8
6,0
–10 0 10 20 30
60% RH80% RH
40% RH
Process Air Temperature, °C
Options
• Hours run counter (monitors thenumber of hours the system isoperational)
• Blocked filter alarm• Rotor stopped alarm• Humidity control system with alarm
and displayRefer to the RH98 product datasheet
• Stainless steel sheet metal casing
DH/MEA/PGB-0047-11/02
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