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...
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.
- 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-1008-H1402...
M120 1.4 Marking Type M120 Fa br. No. 0826 170XXX XXXXX Fa br. ye a r 2008 We ig h t: 26 kg 230V 50 Hz 0,1 kW 1,2 kW Ma x 1,3 kW IP 44 Ma d e in S we d e n...
M120 2 Dehumidifier design 2.1 Product description The dehumidifier is designed to efficiently dehumidify air. Its very compact construction incorporates sections held together by four bolts. The sections contain fans that are driven by a common motor, a direct gear driven desiccant rotor and a reactivation airflow heater.
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.
Do not sit, stand, or place any objects on the unit. 4.2 Site requirements The M120 is intended for indoor installation. The unit should be placed in an upright position horizontally standing on fixing lugs on a level surface. Suitable wall bracket (article no. 19030113) or floor foundation fittings (article no.
M120 NOTE! It is important that the intended installation site meets the requirements in order to achieve the best possible performance and trouble-free operation. NOTE! Check that the unit is level after the complete installation. If required the unit can be bolted to the floor using the fixing holes in the bottom of the unit.
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M120 Figure 4.4 Required duct works, side view Figure 4.5 Required duct works, front view 1 - Dry air A - Wire screen mesh approx. 10 mm 2 - Reactivation air B - Removable rubber sleeve 3 - Wet air...
M120 4.4 Electrical connections Included with the delivery is a 2.5 m long power cable with a plug for connection to an earthed outlet. The voltage and frequency are specified on the unit identification plate, see section 1.4, Marking. 4.5 Continuous fan operation If continuous fan operation is required remove the cover plate to the right of the humidistat socket, see Figure 4.6 .
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M120 Figure 4.7 Connection of leads and humidistat connection kit assembly A - Lead connections B - Screen connections 1. Connect the leads to pins 1 and 2, and the screen to the earth pin. Lead connections 2. Affix the terminal (2) to the plug (1) 3.
M120 4.7 Reactivation airflow adjustment Estimate the pressure drop in the duct system for reactivation and wet air according to the following: Each metre length of Ø 80 mm duct gives a pressure drop of 1.0 Pa (0.1mm wg). ■...
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M120 Figure 4.9 Reactivation airflow as a function of the pressure drop over the orifice plate (shaded area=permitted area). Installation 190TGB-1008-H1402...
M120 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.
M120 5.2.2 Automatic operation Set the MAN-AUT selector switch to position AUT. 5.3 Stop the unit To stop the unit, disconnect it from the power source or use the external circuit breaker. Operation 190TGB-1008-H1402...
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.
M120 6.3 Filter replacement A. Screw B. Cover C. Grating D. Retainer E. Filter (article no. 19013498) F. Fan inlet cone Figure 6.1 Filter assembly (reactivation side) 1. Remove the screws (A) holding the cover. 2. Remove the cover (B) and take out the filter cassette (C, D, E).
M120 7 Fault tracing Fault symptom Possible Cause Corrective action Unit has stopped. Failure of the electrical supply Check power supply to the unit . The thermostat on the heater has tripped Press the reset button on the thermal cut-out after removing the...
M120 8 Technical specification 8.1 Dimensions and service space Service- Width (A) Width (B) Height (C) Diam. (D) Diam. (E) Weight space (F) 425 mm 481 mm 425 mm 100 mm 80 mm 1000 mm 26 kg Table 8.1 Dimension and weight...
M120 8.3 Technical data 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) 0,030 Reactivation air Rated airflow (m³/h)
M120 8.4 Sound data Correction Kok dB at ISO-band centre frequency, Hz Noise path dB(A)* 1000 2000 4000 8000 Table 8.3 Sound data SYMBOLS: = Total noise level dB (rel. 10 = Noise power level in octave band dB (rel. 10...
M120 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.
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