Ventus 20763 VSD10 Operation And Maintenance Manual Download Page 4

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VTS reserves the right to implement changes without prior notice

Ventus Air Handling Units

6.5

Adjustment of humidifier ...................................................................................................... 40

OPERATION AND MAINTENANCE............................................................................................ 40

7.1

Dampers .............................................................................................................................. 41

7.2

Filters ................................................................................................................................... 41

7.3

Heat exchangers ................................................................................................................. 43

7.3.1

Water and glycol heater ............................................................................................... 43

7.3.2

Electric Heater ............................................................................................................. 44

7.3.3

Water or glycol cooler .................................................................................................. 44

7.3.4

Freon cooler and heater .............................................................................................. 44

7.3.5

Humidifier ..................................................................................................................... 44

7.3.6

Cross-flow and counter flow heat exchanger .............................................................. 44

7.3.7

Rotary exchanger ........................................................................................................ 47

7.4

Suppression section ............................................................................................................ 47

7.5

Fan unit ................................................................................................................................ 47

7.5.1

Fans ............................................................................................................................. 47

7.5.2

Motors .......................................................................................................................... 50

7.5.3

Belt transmission ......................................................................................................... 52

7.6

Test measurements ............................................................................................................. 55

SAFETY INSTRUCTIONS ........................................................................................................... 55

INFORMATION............................................................................................................................ 56

10.

TECHNICAL INFORMATION TO THE REGULATION (EU) No 327/2011 IMPLEMENTING

DIRECTIVE 2009/125/EC ................................................................................................................... 57

Summary of Contents for 20763 VSD10

Page 1: ...VENTUS Air Handling Units Operation and Maintenance Manual DTR VS ver 5 1 03 2018 l...

Page 2: ...NSPECTION PANELS WHEN THE UNIT IS RUNNING OR STARTING THE UNIT WITH OPEN INSPECTION PANELS ARE STRICTLY PROHIBITED BEFORE OPENING THE INSPECTION PANEL TURN OFF THE UNIT AND WAIT TWO MINUTES SO ALL MOV...

Page 3: ...ers 20 4 9 Connection of evaporative humidifier 23 4 10 Draining out condensate 25 4 11 Electric connection 26 4 11 1 Rotary exchanger 26 4 11 2 Evaporative humidifier 27 4 11 3 Electric Heater 28 4 1...

Page 4: ...2 Electric Heater 44 7 3 3 Water or glycol cooler 44 7 3 4 Freon cooler and heater 44 7 3 5 Humidifier 44 7 3 6 Cross flow and counter flow heat exchanger 44 7 3 7 Rotary exchanger 47 7 4 Suppression...

Page 5: ...or the qualified technical personnel only Assembly of the unit connection of related systems start up operation and maintenance of the device have to comply with the directives and regulations being i...

Page 6: ...ol V Fan FV Filter fan H Filter heater fan HC CH HC CH Filter heater cooler fan HCH VS 21 650 Filter heater cooler fan heater C Filter cooler fan P Cross flow exchanger P Counter flow exchanger R Rota...

Page 7: ...ig 1 Examples of AHUs type VS 21 650 functional configurations Example of basic supply unit consist of a filter water coils condensate drain pan if applicable direct driven fan assembly Supply Exhaust...

Page 8: ...of AHU s configuration is available in left hand LH and right hand RH version fig 3 and 4 The version of the unit is determined by the flow direction of the air against the tending side of the unit th...

Page 9: ...ining AHU elements should be stored away from places where operate mechanical devices vehicles cranes and other construction machinery They should be stored in places where they will not be subject to...

Page 10: ...k to transport the unit Fig 5 Transport with the use of a crane b VS 21 150 AHUs with using wooden supports c VS 21 150 AHU sections with using steel pipes d VS 180 650 AHUs AHU have to be transported...

Page 11: ...ient temperature allowing to perform correctly all technical procedures of the assembly i e within temperature range from 5 to 35 C In case of outdoor assembly the procedure can be carried out in prec...

Page 12: ...o be carried out in a place located over 200 km from the business residence of the nearest VTS service the customer is obligated to cover Transport expenses of the Authorized VTS service arising from...

Page 13: ...with a particular AHU available to the service Assembly completion After the installation is completed the service is obliged to notify the client s representative about the fact of finishing assembly...

Page 14: ...lwork The foundation steel base frame or steelwork have to be flat and leveled and they should be able to support the weight of the unit In AHUs situated one on another the part of the upper AHU proje...

Page 15: ...le of supporting of supply exhaust AHUs top sections Fig 7a Base frame of VS 21 75 AHUs Fig 7b Base frame of VS 100 150 AHUs AHU size Max load N VS 21 500 VS 30 500 VS 40 500 VS 55 1000 VS 75 1000 VS...

Page 16: ...frames Table 3b Length of the base frame in relation to the AHU section AHU size Frame length LR W3 mm VS 21 L Lt 110 937 VS 30 937 VS 40 1144 VS 55 1315 VS 75 1456 VS 100 1636 VS 120 1867 VS 150 2061...

Page 17: ...erves the right to implement changes without prior notice Ventus Air Handling Units Fig 7e Location of end foundation holes in base frames of the VS 180 650 AHUs Fig 8 Base frame of the AHU s blocks a...

Page 18: ...ndation holding of the VS 21 150 AHUs should be drilled holes in the bottom part of the longitudinal profile of base frame For foundation holding of the VS 180 650 AHUs can be used a holes in the ends...

Page 19: ...possible to install other systems pipelines pillars in the operation area only if they can be easily disassembled for the maintenance and service procedures Fig 9 Free space in the front area the VS...

Page 20: ...on a local conditions please use the compensation at the supply and return of the pipeline system in order to level the pipeline s linear expansion During assembly of the supply system to the exchange...

Page 21: ...ply and return exchanger connections should be connected so as the exchanger operates in a counter current way Streamwise operation results in lower average temperature difference influencing the exch...

Page 22: ...angers Connecting the freon cooler to the supply system with a refrigerating unit should be done by a qualified cooling system specialist in accordance with the regulations concerning the freon driven...

Page 23: ...es of connecting the exchangers to supply systems 4 9 Connection of evaporative humidifier AHUs VS 21 650 can be provided with evaporative humidifier Evaporative humidifier works on the principle tran...

Page 24: ...midifiers don t require any special water treatment before feeding the device Nevertheless a cut off ball valve and strainer type filtering device accessible for cleaning should be installed on the su...

Page 25: ...ect of evaporation is rising concentration of contaminants in the water tank To control that process two motorized valves operated by control cabinet cut off the water supply and fully drain the tank...

Page 26: ...ds and regulations being in force in a country where the unit is installed Cross section and type of cables e g shielded cable feeding individual functional segments should be selected basing on nomin...

Page 27: ...abinets that operate the components of the humidifier and provide basic functionality and safety of operation e g dry running protection for pump Note Those control cabinets do not measure or regulate...

Page 28: ...te switchgear not supplied with the VTS package Each heating unit of the heater is connected separately to the terminal strip fig 18 which is located sideways of the heating subassembly casing Connect...

Page 29: ...erature near the thermostat up to 65 C After emergency turn off the heater turns on automatically once the air temperature goes down by 20 C After intended or emergency caused by overheating turning o...

Page 30: ...TS reserves the right to implement changes without prior notice Ventus Air Handling Units Fig 19 Diagram of connecting the heating units to the electric heater s terminal strip without the heating mod...

Page 31: ...nspection panel Intermediate fan drive Fans motors with belt drive are powered by 3x400V 50Hz voltage The connection should be done through the overload and short circuit protection suitable for rated...

Page 32: ...generate some electromagnetic interferences Connection between the frequency converter and motor should be done using shielded cables in accordance with guidelines outlined in the operation and maint...

Page 33: ...iption Control AN 1 Analog Input Set value 0 10 V R 1 k GND 2 6 12 I O ground Pot 3 Potentiometer output 3 wires 5V 4 5 V 5 10 mA for potentiometer Speed 5 Digital output Speed Output PWM signal f 1 1...

Page 34: ...and competent personnel Before starting up the system and ducting must be thoroughly cleaned Check if during assembly operations systems and devices elements as well as automatics elements and equipm...

Page 35: ...with a display plate for installation on the filter inspection door Detailed information can find in the separate document for the differential pressure indicator 5 3 Water and glycol heaters Check t...

Page 36: ...anger Before starting up the exchanger check the following after removing the wedge shaped belt if the motor s rotor rotates freely distance between the rotor and casing and adjust the sealing brushes...

Page 37: ...nt start up personnel equipped with necessary test devices After completing activities described in point 5 you can proceed with the first start up In case of AHUs equipped with secondary filtration s...

Page 38: ...h parallel walls and straight segments at least 6 times longer than the duct diameter or equivalent diameters before the test point and not less than 3 diameters after it In the real ventilation syste...

Page 39: ...s with each other Smooth control of heater power is carried out by applying the VTS control module Perform simulation of lower power requirement by decreasing the set temperature value so as all elect...

Page 40: ...the water consumption also affected by temperature and humidity of the air entering the humidifier Table 12 Table 12 Influence of temperature and humidity on the water consumption T C rH 0 10 20 30 40...

Page 41: ...t with the VTS representatives always use the AHU factory identification number located on the casing as well as in the AHU documentation Duration of periods between particular actions have been deter...

Page 42: ...et at the VTS authorized service provider provide filter type filtration class AHU size and if needed size and number of filters according to the following table The AHUs always have to operate with i...

Page 43: ...594 8 VS 300 394 x 622 4 495 x 622 8 VS 400 394 x 495 6 495 x 622 12 VS 500 394 x 495 7 495 x 622 14 VS 650 492 x 594 12 594 x 594 12 7 3 Heat exchangers 7 3 1 Water and glycol heater Operating water...

Page 44: ...ents and their contamination level Any possible contamination should be removed with a vacuum cleaner with soft suction nozzle or with compressed air Wet cleaning of electric heater is forbidden Also...

Page 45: ...e drainage system before starting the AHU fill the water siphon with water assembly of anti frost system if any In the units VS 21 55 counter flow exchanger is installed as a one piece similar as cros...

Page 46: ...46 VTS reserves the right to implement changes without prior notice Ventus Air Handling Units Fig 23 Disassembly of the counter flow heat exchangers from the unit VS 75 650...

Page 47: ...ing acoustic energy Maintenance procedures entail checking contamination level of suppression inserts If cleaning is necessary the slotted levers can be removed one after another through the section i...

Page 48: ...emperature is too high or if it changes violently it means that the bearing does not work correctly A possible reason might be lack or excess of grease contamination overload or damage of the bearing...

Page 49: ...1 In fans type TAE TDF table 16 b balls bearing are installed in the rubber amortizing ring TAE fans or in the cast iron casing TDF fans Replacement of bearings mounted on cross bars in TAE type fans...

Page 50: ...asings version TAE TDF Unit Fan s type Hole mm PEER FYH Bearing unit type Bearing housing type Bearing type VS 21 TAE160 D 12 FH204 12G VS 30 TAE200 D 12 FH204 12G VS 40 TAE225 D 12 FH204 12G VS 55 TD...

Page 51: ...s winding and its damage The motor can be cleaned with a dry brush or blow through with compressed air MOTOR S BEARINGS Motors as standard are equipped with ball bearings of 62 series which are equipp...

Page 52: ...activities of the fan unit you have to check tension of wedge shaped belts and their parallel alignment Factory set belts tension should be checked after first 50 working hours and then carry out regu...

Page 53: ...all the belts making sure that they have the same length and fit the grooves of the pulley If you do not replace all the belts the new ones will transfer bigger overloads since they are a bit shorter...

Page 54: ...e surfaces This procedure is enabled thanks to the Taper Lock pull sleeve In order to move the pulleys for adjustment or replacement of the pulley with the Taper Lock sleeves follow the steps below 1...

Page 55: ...ce table 8 SAFETY INSTRUCTIONS 1 Connection and start up of the AHU should be carried out by qualified personnel in accordance with recommended and designed regulations and guidelines regarding operat...

Page 56: ...lure free operation of the device Our service personnel is always available to accompany you during the start up maintenance and in case of any other emergency related to the device operation VTS Auth...

Page 57: ...ed in mechanical engineering WARNING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material...

Page 58: ...mechanical engineering WARNING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage...

Page 59: ...mechanical engineering WARNING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damag...

Page 60: ...s can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules 1 Disconnect all e...

Page 61: ...NING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules 1...

Page 62: ...ARNING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules...

Page 63: ...e machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules 1 Disconnect all electrical con...

Page 64: ...ING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules 1...

Page 65: ...ARNING Machine parts can fall The machine is made up of heavy parts These parts are liable to fall during dismantling This can result in death serious injury or material damage Follow the safety rules...

Page 66: ...nnect all electrical connections 2 Prevent reconnection 3 Make sure that the equipment is at zero voltage 12 4 Cover or isolate nearby components that are still live To energize the system apply the m...

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