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VTS reserves the right to implement changes without prior notice

Ventus Air Handling Units

Fig.7c. Base frame of VS 180-650 AHUs

Rys.7d. Base frame of VS 21-650 sectional AHUs

Table 3a External dimensions of VS 21-150 AHUs’ transport frames Table 3b. Length of the base frame in relation to the AHU section

AHU size

Frame length L

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

VS-180

L=Lt-28

1960

VS-230

2368

VS-300

2460

VS-400

2960

VS-500

3460

VS-650

3572

Length of the AHU
section

Ls (VS 21-150)

Ls (VS 180-650)

[Mod]

[mm]

758

649

732

1124

1015

1098

1490

1380

1464

1856

1746

1830

2221

2112

2198

2587

2477

Содержание 20763 VSD10

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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