211934 VEF Inst&Operation MUL 20180913

211877 | A006
Contents
1 Declaration of Conformity .................................5
2 Warnings.......................................................6
3 Product information .........................................6
3.1 General................................................6
3.2 Technical data .......................................6
3.2.1 Dimensions and weight ...............7
3.2.2 Duct connections........................8
3.2.3 Performance .............................8
3.2.4 Wiring diagram ..........................9
3.3 Transportation and storage..................... 10
4 Installation................................................... 10
4.1 Installing the fans................................. 10
5 Commissioning ............................................. 12
6 Maintenance................................................ 13
6.1 Important ........................................... 13
6.2 Maintenance intervals ........................... 13
6.3 Cleaning the fan................................... 13
7 Troubleshooting............................................ 15
8 Accessories.................................................. 15
8.1 Controllers.......................................... 15
8.1.1 MTP 10/10K Proportional
speed controller....................... 15
8.1.2 MTP 20 3-Step
Controller ............................... 15
8.1.3 Humidity - Demand
control .................................. 16
8.1.4 CO2 - Demand control ............... 17
8.2 Cooker hoods ...................................... 17
8.2.1 251-14 EC .............................. 18
8.2.2 392–14 Slimline EC ................... 19