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20

| Operation

11

Operation

11.1 Safety information

Warning: Hazard from electrical voltage or moving components.

The device may only be operated by adequately qualified persons, details see Table 1

Qualifications

, page 1.

Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.

11.2 Preconditions

Ensure access only to persons who can safely handle the device.

Only use the fan in accordance with the operating instructions and the operating instructions for the motor.

Do not dismantle or circumvent safety elements, or put them out of function.

12

Troubleshooting/maintenance/repair

12.1 Safety information

Troubleshooting/maintenance/repair may only be carried out by adequately qualified persons, details see Table 1

Qualifications

, page 1.

Wear protective equipment during all work in the vicinity of the fan, details see 2.2

Personal protective equipment

,

page 2.

Observe the 5 rules of electrical safety, see 2.3

5 rules of electrical safety

, page 2.

Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.

The impeller must be at a standstill.

12.2 Troubleshooting

Table 13 Troubleshooting

Problem

Possible causes

Remedy

Fan does not run
smoothly

Impeller imbalance

Rebalancing by a specialist company if possible,
otherwise contact Systemair.

Soiling on the impeller

Clean carefully, rebalance

Material decomposition on the
impeller due to aggressive
material conveyed.

Contact Systemair

Impeller rotates in wrong
direction.

Change direction of rotation if possible, otherwise contact
Systemair.

Deformation of impeller due to
excessive temperature.

Ensure that the temperature does not exceed the certified
value/Install new impeller.

Vibrations, oscillations

Check the installation of the fan/check the duct system,
see 8

Installation

, page 10.

Air output of fan too
low

Impeller rotates in wrong
direction.

Change direction of rotation if possible, otherwise contact
Systemair.

Wrong wiring configuration (e.g.
Y instead of Delta).

Check and possibly correct the wiring configuration.

Pressure losses too high.

Optimize the line routing.

Flow regulators not or only
partly open.

Check opening position on site.

Intake or pressure ducts are
blocked.

Remove the blockage.

Grinding sounds
when starting or
operating the fan

Check if the duct connections of
the fan are strained.

Loosen the duct connections and realign it.

| 007

Содержание Multibox MUB Series

Страница 1: ...Document in original language 007 Multibox MUB MUB T MUB T S MUB CAV VAV MUB F Installation and Operating Instructions GB...

Страница 2: ...emair AB All rights reserved E OE Systemair AB reserves the rights to alter their products without notice This also applies to products already ordered as long as it does not affect the previously agr...

Страница 3: ...0 8 3 Installation variations 11 8 4 Changing the discharge direction 12 8 5 Weather protection roof WSD 13 8 6 Weather protection grille WSG 14 8 7 Assembly Disassembly impeller Internal rotor motor...

Страница 4: ......

Страница 5: ...lable at the place of use Observe and respect local conditions regulations and laws Only use the fan in a flawless condition Provide generally prescribed electrical and mechanical protective devices D...

Страница 6: ...arranty For the assertion of warranty claims the products must be correctly connected and operated and used in accordance with the data sheets Further prerequisites are a completed maintenance plan wi...

Страница 7: ...nsport please make sure that no water can penetrate into the motor or other sensitive parts We recommend transporting the fan to the installation site in the original packaging Caution If transported...

Страница 8: ...or error message 5 2 MUB equipped with an AC motor For information on speed regulation options see 6 Name plate and type key page 8 5 3 Description MUB Table 2 Dimensions MUB mm A B C D A D C B MUB 02...

Страница 9: ...sibility for a constant airflow factory setting or a constant pressure ventilation or just to display data Constant air volume function CAV If the air volume factory setting is to be kept constant the...

Страница 10: ...factor MUB CAV VAV 025 315EC 100 042 400EC 172 042 450EC K 235 062 560EC 418 100 630EC 456 025 355EC 143 042 450EC 238 042 500EC 266 062 630EC 500 100 710EC 550 5 6 Description MUB F The fan is equipp...

Страница 11: ...a max air humidity of 80 MUB and MUB CAV VAV The fan is suitable for conveying clean air with a density of 1 3 kg m3 and a max air humidity of 95 MUB T and MUB T S The fan is suitable for conveying co...

Страница 12: ...Electronically commutated 1 phased or 3 phased E2 2 poled controllable by frequency converter 1 phased E4 4 poled controllable by frequency converter 1 phased DV 4 poled voltage controllable 3 phased...

Страница 13: ...G Weather protection grille 3 UGS Transition connections square to round 4 Tune AHU Damper 5 WSD Weather protection roof 6 MUB Multibox 8 6 Weather protection grille WSG page 14 8 5 Weather protection...

Страница 14: ...es according to DIN EN ISO13857 and DIN 24167 1 Use vibration dampers to prevent vibration transmissions For example article 37324 in our accessory range Prevent the possibility of foreign bodies bein...

Страница 15: ...ht ducts page 11 Rectangular duct system D Hydraulic diameter Round duct system D Nominal diameter D min 2 5x D min 2 5x D Fig 1 Straight ducts 8 3 Installation variations MUB T MUB T S Important Dama...

Страница 16: ...direction 90 upwards factory assembly 2 MUB T with airflow direction 90 sideways 3 Change of airflow direction As a default the Multiboxes have been designed for an inline airflow direction The airfl...

Страница 17: ...ure Only install outdoors with the weather protection roof from our accessory range see chapter Accessories Install the weather protection roof as described below 1 2 3 4 5 6 1 Weather protection roof...

Страница 18: ...the correct WSG for your Multibox from the Systemair online catalogue Standard version B B 1 2 3 4 5 1 Catch nut 2 Cap nut 3 Double facets ring 4 Double facets ring 5 Distance bolt Turned version 1 Se...

Страница 19: ...without forceful impacts Do not separate the impeller and the hub They were balanced as one unit by Systemair Note The hub can be heated for easier assembly and disassembly for example with a hot air...

Страница 20: ...2 1 The set screw must push on the wedge of the shaft Use screw locking 5 Steel hub 6 Steel hub Tighten the screws slightly Tighten the two screws evenly with the tightening torque according to table...

Страница 21: ...of at least 3 mm at each pole 9 3 Connection Check if the data on the nameplate matches the connection data Complete the electrical connection according to the circuit diagram Lay the connection cabl...

Страница 22: ...wn Motor lines and temperature monitor lines should be laid separately on principle Without thermal protection Use a motor protection switch 9 8 Variable speed fans Warning Resonant frequencies may re...

Страница 23: ...10 3 Tests Before switching the fan on check for externally visible damage and ensure that the protective equipment functions properly AC motor EC motor 1 Switch the fan on 2 Checks Direction of rotat...

Страница 24: ...The impeller must be at a standstill 12 2 Troubleshooting Table 13 Troubleshooting Problem Possible causes Remedy Fan does not run smoothly Impeller imbalance Rebalancing by a specialist company if po...

Страница 25: ...ntrol units if used such as frequency converter or transformer are set incorrectly Correct the settings of the control units Mechanical blockage Remove the blockage Motor does not rotate Faulty supply...

Страница 26: ...imbalance X X Check the condensate drain is working correctly X X Clean the fan ventilation system see 13 Cleaning page 23 X X Check the screwed connections for damages defects and check that they are...

Страница 27: ...d objects Do not use a high pressure cleaner steam jet cleaner under any circumstances Do not bend the fan blades when cleaning When cleaning the impeller pay attention to balance weights that have be...

Страница 28: ...nation Thermo fans Type designation AxZent KBT KBR MUB K MUB T MUB T S MUB T EC MUB T S EC DVN DVN EC DVNI DVNI Since year of manufacture 2016 The manufacturer declares that the above mentioned produc...

Страница 29: ...ectly to mains 0 10 V signal EC motor via contactor control Transformer Frequency converter Sinus filter Shielded cables Motor protection Yes No Motor protection switch or motor protection relay PTC r...

Страница 30: ...essure between suction side and discharge of the fan If an air flow measurement is not possible this value can be calculated using the following formula X Duct cross section m Flow speed m s Grille me...

Страница 31: ...007...

Страница 32: ...Multibox Installation and Operating Instructions en_GB 2018 10 08 007 Systemair GmbH Seeh fer Str 45 97944 Boxberg Germany Tel 49 0 7930 9272 0 Fax 49 0 7930 9273 92 info systemair de www systemair de...

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