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Summary of Contents for Munters MG90
- Page 1 Original instructions User manual MG50, MG90 Desiccant dehumidifier 190TGB-1004–N1402 © Munters Europe AB 2014...
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Page 2: Warranty
Important user information Intended use Safety Munters dehumidifiers are intended to be used for the Information about dangers are in this manual indicated dehumidification of air. Any other use of the unit, or by the common hazard symbol: use which is contrary to the instructions given in this... -
Page 3: Table Of Contents
Hose length and orifice plate affects 10 Contact Munters ......the airflow ...... -
Page 4: Introduction
Read through the manual before the dehumidifier is installed and used. Contact your nearest Munters office if you have any questions regarding the installation or the use of your dehumidifier. -
Page 5: Safety
- Do not insert fingers or any other objects into the air vents, rotating fans are inside. - Do not cover the unit as that can block air intake or outlet and cause a fire. - If the unit has overturned, cut the power immediately. - Always contact Munters for service or repair. Introduction 190TGB-1004–N1402... -
Page 6: Marking
MG50 & MG90 1.4 Marking Type MG50 Fabr. No 0214 190XXX XXXXX 1 ~ 230V 50Hz 0.040 kW 0,4 kW 0,440 kW IP44 Munters Europe AB Figure 1.1 Identification plate position Type MG90 Fa br. No. 0919 190XXX XXXXX Fa br. ye a r... -
Page 7: Dehumidifier Design
MG50 & MG90 2 Dehumidifier design 2.1 Product description The desiccant dehumidifiers are designed to effectively dehumidify the air. Their compact form is comprised of sections that are held together with just four bolts. The fan, desiccant rotor and reactivation heater are held in their respective sections without any further means of attachment. -
Page 8: Transport, Inspection And Storage
4. Remove all packaging material from the unit, and make sure that no damage has occurred during transportation. 5. Any visible damage must be reported in writing to Munters within 5 days and prior to installation of the unit. 6. Dispose of the packaging material according to local regulations. -
Page 9: Installation
MG50 & MG90 4 Installation 4.1 Safety W W W ARNING! ARNING! ARNING! Do not connect the unit to other mains voltage than specified on the identification plate. The unit must be connected to an earthed electrical outlet. Do not operate the unit if the power plug or cord is damaged. -
Page 10: Connection Of Ducts And Hoses
MG50 & MG90 4.3 Connection of ducts and hoses Follow the instructions below when attaching ducts or flexible hoses to the air connections. The process and reactivation air inlet and dry air outlet can be connected to a duct system or be used with free inlet and outlet. -
Page 11: Mounting The Unit On The Wall
MG50 & MG90 A. Orifice plate for wet air (included in delivery) B. Connection piece for dry air outlet (option) C. Connection piece for air inlet (option) Figure 4.2 Connection to air ducts 4.5 Mounting the unit on the wall The MG unit can be mounted on the wall in two different ways using a wall bracket (optional equipment), see Figure 4.3 and Figure 4.4 . - Page 12 MG50 & MG90 Figure 4.3 Wall-mounted unit, alternative 1 Figure 4.4 Wall-mounted unit, alternative 2 A. Wall bracket (option) C. Wall pipe (option). Mounted at a downward angle towards the outside of the building. B. Wet air hose D. Wood block (depth 30 mm, width 40 mm, length 350 mm)
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Page 13: Installation Examples
MG50 & MG90 4.6 Installation examples 4.6.1 Closed system The air in the room is circulated through the dehumidifier. 1. Dehumidifier located in the room: The wet air outlet is connected to a hose and is then emitted outside the room (outdoors). The reactivation air is taken from the outside via a hose or duct connected to a connection piece. -
Page 14: Open System
MG50 & MG90 4.6.2 Open system The space is ventilated with dehumidified air. 1. Dehumidifier located outside the room: Dry air is emitted into the room via a hose or duct connected to a connection piece. Figure 4.9 Open system, dehumidifier located outside the room. -
Page 15: Electrical Connections
If the unit is used together with an external humidistat, operation mode A or B can be used. Mode A: The humidistat regulates the entire dehumidifier ON/OFF (standard mode). Mode B: The humidistat only regulates the reactivation heater and the fan operates continuously. Contact Munters for changing the operation mode. Installation 190TGB-1004–N1402... -
Page 16: Operation
MG50 & MG90 5 Operation 5.1 Safety W W W ARNING! ARNING! ARNING! Do not operate the unit if the power plug or cord is damaged. Do not insert fingers or any other objects into the air vents. The unit can restart automatically without warning following a power failure. -
Page 17: Start
MG50 & MG90 5.3 Start 5.3.1 Manual operation Set the mode selector switch to MAN and connect the dehumidifier to a wall socket, or operate the external circuit breaker, and check that the unit starts. Figure 5.1 MAN-AUT mode selector switch (1) 5.3.2 Automatic operation... -
Page 18: Service And Maintenance
NOTE! It is recommended to contact Munters for service or repair. Operating faults can occur if the unit is maintained insufficiently or incorrectly. Munters Service can offer a service plan adapted to suit the conditions of a specific installation. See contact addresses on the back page of this manual. -
Page 19: Filter Replacement
MG50 & MG90 6.3 Filter replacement 1. Remove the filter cassette by sliding it upwards according to Figure 6.1 . 2. Clean the filter holder and fit a new filter cassette. Figure 6.1 Removing the filter cassette Service and maintenance... -
Page 20: Fault Tracing
MG50 & MG90 7 Fault tracing Symptom Possible cause Corrective action Unit has stopped. Failure of the electrical supply Check power supply to the unit. The unit was set to automatic mode by Set to manual operating mode and check that the dehumidifier mistake with no humidistat connected. -
Page 21: Technical Specification
8.1 Dimensions and service space Figure 8.1 Dimensions 1. Process air inlet 3. Reactivation air inlet 2. Dry air outlet 4. Wet air outlet NOTE! The specified dimensions and weights apply to both the MG50 and MG90 dehumidifier. Width Depth Height Diameter Diameter Service... -
Page 22: Capacity Diagrams
MG50 & MG90 8.2 Capacity diagrams Approximate capacity in kg/h. For detailed information, please contact your nearest Munters location. MG50 MG90 80% RH 60% RH 40% RH 80% RH 60% RH 40% RH Figure 8.2 Capacity diagrams 1. Temperature, process air (°C) 2. -
Page 23: Fan Curves
MG50 & MG90 8.3 Fan curves The fan curves are based on an air inlet temperature of 20 °C and air density of 1.2 kg/m³ Figure 8.3 Fan curves Symbols q: Airflow, ls, m ps: Available static pressure 1: Process air 2: Reactivation air. -
Page 24: Technical Data
MG50 & MG90 8.4 Technical data MG50 MG90 Process air Free-blowing air 50 Hz (m³/h) Free-blowing air 60 Hz (m³/h) Rated airflow (m³/h) Available static pressure 50 Hz (Pa) Available static pressure 60 Hz (Pa) Fan motor power (kW) 0.040 0.090... -
Page 25: Scrapping
MG50 & MG90 9 Scrapping The unit must be scrapped in accordance with applicable legal requirements and regulations. Contact your local authorities. The rotor material is not combustible, and should be deposited like glass fibre materials. If the rotor has been exposed to chemicals that are dangerous to the environment the risk must be assessed. -
Page 27: Contact Munters
MG50 & MG90 10 Contact Munters AUSTRIA Munters GmbH Eduard-Kittenberger-Gasse 56, Tel: +43 1 616 4298–92 51 Air Treatment Obj. 6 luftentfeuchtung@munters.at Zweigniederlassung Wien A-1235 Wien www.munters.at BELGIUM Munters Belgium nv Blarenberglaan 21c Tel: +3215285611 Air Treatment B-2800 Mechelen service@muntersbelgium.be www.muntersbelgium.be... - Page 28 www.munters.com...
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