AdiaVent®. Air recirculation unit for cooling closed spaces.
Contents
1. mkn Zoo EE O Water tank with liquid level switch and backflow pre Cooler venter O Feed valve Connection to supply air duct Exhaust air grille Y Supply air fan Drain Humidifier Process air fan Y Supply air filter with filter monitoring O DigiUnit terminal box access door Connection to extract air duct Humidifier pump Filter access door Water filter Supply air fan access panel Drain valve Process air fan access panel Circulation valve Precooler O DigiUnit terminal box Process air filter with filter monitoring Isolation switch Air intake grille Humidifier access door Base Fig B2 2 Construction of AdiaVent ADV 10 Construction and operation en Humidifier pump Drain Drain valve Circulation valve Water filter Supply air Extract air Humidifier Cooler 860000000 O89 Supply air sensor Fig B2 3 Operational diagram of AdiaVent ADV 840600600080 08 Precooler Water tank with liquid level switch and backflow pre venter Feed valve Process air fan Supply air fan Supply air filter with filter monitoring Process air filter with filter monitoring Fresh air process air Exhaust air Water supply Construction and operation 2 2 Operating modes AdiaVent ADV operat2. 20 7 2 Hydraulic installation e Design the water piping with appropriate bolted joints which can be loosened tension free and vibration free e Provide a water filter filter fineness 100 pm in the water supply 7 3 Electrical installation Caution Danger from electric current The electrical installa tion is to be carried out only by a qualified electrician e Observe all applicable regulations e g EN 60204 1 e For long supply lines select cable diameters in accord ance with the technical regulations e Electrical installation to be carried out according to wiring diagram e Install the system bus for the control system separately from the mains cable e Make sure there is onsite overload protection equipment for the mains connection line of the zone control panel short circuit resistance 10 kA O Zone control panel DigiMaster Power supply Collective trouble indicator Room air sensor O Fresh air sensor Supply air sensor DigiUnit terminal box O Water connection novaNet system bus Fig B7 1 Diagram of installation Transport and installation DigiUnit terminal Power supply box Zone control panel 3 phase Variant Zone control panel 1 phase Table B7 1 Cable list novaNet system bus Supply air sensor Power supply novaNet system bus Room air sensor Fresh air sensor Enable cooling Trouble input cooling Collective trouble indicator Pow
3. 26 27 27 27 27 Options 1 Fresh air box AUK The AdiaVent with fresh air box can be operated as an air mixing unit It can be adjusted to take in a proportion of up to 20 fresh air The fresh air box is connected to the extract air duct and comprises e Fresh air damper with actuator e Fresh air filter Class F7 with filter monitoring 20 O Extract air O Fresh air box O Fresh air Fig C1 1 Operational diagram 26 Fig C1 2 Dimensions and technical data Unit type AUK 6 Dimensions A mm 1231 B mm 1000 C mm 642 D mm 620 E mm 9 1 F mm 622 G mm 599 H mm 640 Weight kg 76 Filter F7 Table C1 1 Technical data Options 2 Ultraviolet lamp UVL In the AdiaVent operating mode Cleaning the humidifier cir cuit routinely cleans and sterilises itself In cases of extreme pollution through environmental factors a constant sterilisa tion by means of the ultraviolet lamp may be necessary 3 Paint finish AL ADV Upon request AdiaVent units standard Aluzinc may be painted Indicate the desired RAL number on your order Air flow rate 240 220 200 180 160 140 120 100 80 Pressure increase in Pa d 40 4 Aftercooler If constant cooling capacities are required an aftercooler can be integrated in the supp
4. 1194 582 1239 635 1195 21 Rp 3 8 female 13 520 17 Design example 4 Design example Original data e sensible cooling load To be considered transmitted heat solar radiation internal heat sources machines lighting etc e standard fresh air conditions e desired room temperature in the occupied area e extract air temperature 1 e external pressure drop applied to the nominal air flow rate e additional pressure drop 1 The extract air temperature is generally higher than the temperature in the occupied area This is due to the temperature stratification which is inevitable in high spaces Determination of air flow rate for the duct system and the diffuser air outlets The air flow rate of the supply air depends on the external pressure drop of the e supply and extract air ducts e diffuser air outlets Determine cooling capacity Q for each AdiaVent unit Depending on e the extract air temperature and e the standard fresh air conditions the cooling capacity of the AdiaVent units is determined Q Notice The cooling capacity decreases in a linear manner with the air flow rate Vi Q Q Vn V Air flow rate in m h as a function of additional pressure drop Va Nominal air flow rate in m h Q Cooling capacity according to Table B3 4 Cooling capacity and supply air temperature in kW Required number of units Neq _ Die Nreq Qi Qk Total required cooling capacity in
5. Hersteller Fabricant Produttore Manufacturer Vaduz 02 09 2008 Basse Tension Bassa tensione Low Voltage EN 60204 1 2006 EN 60335 1 2002 Nous d clarons que le produit d sign titre d appareil autonome r pond aux normes directives et ou sp cifications techniques mentionn es ci dessus En cas de modification du produit sans notre accord cette d claration devient caduque Il y a lieu de tenir compte des directives de s curit mentionn es dans la documentation le mode d emploi et les instructions de service Hovalwerk AG Austrasse 70 LI 9490 Vaduz Noi dichiariamo che il prodotto citato We declare that the named product inteso come apparecchio autonomo soddisfa le norme direttive e specifiche tecniche elencate Modifiche apportate al prodotto non concordate con noi invalidano questa certificazione Le indicazioni in merito alla sicurezza e il manuale d uso devono essere considerati X Fabian Frick EO Lufttechnik neue M rkte as an autonomous equipment is in conformity with the listed directives and standards respectively technical specifications Changes on the product which are not consulted by us will invalidate this declaration The safety advices in the documentation and user manual are to be considered 24 1 Fresh air box AUK 2 Ultraviolet lamp UVL 3 Paint finish AL ADV 4 Aftercooler 5 Supply air filter ZF5
6. e Follow the local safety and accident prevention regula tions at all times e AdiaVent units may be installed operated and main tained only by trained and instructed specialists Specialists as defined by these operating instructions are those persons who based on their training knowledge and experience as well as their knowledge of the relevant regulations and guidelines can carry out the work as signed to them and recognize potential hazards 3 Information for a user manual According to the accident prevention regulations of some countries the operator of equipment must meet certain requirements for the prevention of occupational accidents and instruct the operating personnel as to the hazards that may occur and how to prevent them This can be done with the help of the User Manual In addition to national regulations for accident prevention and environmental protection a user manual should also in clude the most important items of the operating instructions AdiaVent ADV Air recirculation unit for cooling closed spaces 1 Use 2 Construction and operation 3 Technical data 4 Design example 5 Options 6 Control system 7 Transport and installation 8 Specification texts 9 Declaration of conformity 13 18 19 19 20 22 24 Use construction and operation 1 Use 1 1 Intended use AdiaVent units are for high spaces Also included under intended use are
7. Checklist to prepare for commissioning e Have all the connections to utilities been made electric cabling water piping and air duct connections e Are all control components installed and connected to the novaNet system bus e Are all of the respective maintenance groups installer electrician designer etc present at the scheduled time e Are the system operating personnel present for training at the scheduled time 1 2 Operation The system runs fully automatically in accordance with the operating times and temperature conditions When operating observe the following e Operating instructions of the DigiNet operator terminals e Check alarm displays daily e Correct changes to operating times in the automatic programming e Ensure free air outlet and unhindered dispersion of the supply air e Should there be a water leakage shut off the AdiaVent unit and contact Hoval Customer Service 44 1 3 Decommissioning Attention Risk of property damage from frost When decom missioning take adequate measures to protect the humidifier circuit against frost damage e Clean AdiaVent e Turn off mains water supply e Turn isolation switch Pos O to the off position and wait until the fans stop running e Open the DigiUnit terminal box access door Pos e Empty the humidifier pump Pos 6 O Backflow preventer Drain stopper DigiUnit terminal box access door Humidifier pump
8. peer to peer multiplier max 300 Q max 200 nF Table D2 2 novaNet system bus specifications Communication Loop resistance Capacity Example bus cable Type Dimension n x n x mm Loop resistance at 20 C Operating capacity Use Properties Uninet 5502 4P 4 x 2 x 0 16 AWG 26 160 Q km 44 pF m Category 5e class D Shielded halogen free Control system DigiNet 5 3 Operating options 3 1 DigiMaster operator terminal The DigiMaster is a touch panel with a colour display mak ing it simple to operate the system lt gives trained users access to all information and settings that are necessary for normal operation e Display and set operating modes Display temperatures and set room temperature set values Display and program the scheduler and the calendar Display and handle alarms e Display and set control parameters The DigiMaster is installed in the door of the zone control Supply voltage AC 230 V 50 Hz Permitted voltage tolerance 10 15 Rated power input max 7 W 1x RJ 11 jack novaNet 1x RJ 45 jack Ethernet 10 Base T ap plication download Ambient temperature 0 45 C Storage and transport temperature 25 70 C Ambient humidity 10 80 rh without condensation Protection level IP 20 optional IP 65 on the front Protection class Il Environment class IEC 60721 3k3 Dimensions WxHxD 240 x 156 x 46 mm Active surface W x H 140 x 105 mm Table D3 1 DM5 Digi
9. Location of the temperature sensors 2 1 Room air sensor Install the sensor at a height of about 1 5 m at a representa tive location in the occupied area lts measured values must not be distorted by the presence of sources of heat or cold machines direct sunlight windows doors etc Normally there is one room air sensor per control zone lt is also possible to install 4 sensors in order to provide an average value 2 2 Fresh air sensor Install the sensor at least 3 m above the floor on a north fac ing wall so that it is protected from direct sunlight Protect the sensor and thermally insulate it from the building Only one fresh air sensor is needed per system 2 3 Supply air sensor A supply air sensor is provided Upon commissioning the supply air sensor is installed 3 Hydraulic connection When making the connection to the water system observe the following e Protect the water pipes against freezing e The water pipes must have a minimum interior diameter of 1 2 e Ensure a permanent water supply and drainage System design 4 Duct connection Note the following with regard to the extract air and supply air ducts e Insulate external ducts e Install air extraction opening above work area approx height 3 4 m e Provide diffuser air outlets to avoid draughts Caution Risk of illness through exposure to draughts The air diffuser must be designed according to the air flow rate and the maximum perm
10. air duct connections Loosen AdiaVent from its connections to lightning pro tection system mounting on base etc Secure AdiaVent lift and remove Disposal Observe the following when disposing of components from the AdiaVent 48 Recycle metal components Recycle plastic parts Dispose of electric and electronic parts via hazardous waste Conservation of Energy Protection of the Environment The Hoval group with production facilities and sales offices in more than 50 countries worldwide has the above guiding principle The company established in 1945 is a pioneer in heating technology Today Hoval develops and manufac tures innovative solutions that maximise energy efficiency and thus help protect the environment in the following product lines Hoval Heating Technology From a comprehensive range Hoval offers innovative system solutions for a variety of energy sources oil gas wood pellets and solar as well as heat pumps The range of performance extends from a small apartment to a tower block Hoval Residential Ventilation A better atmosphere and heat energy efficiency in your own home With the HomeVent Hoval sets the standards in air quality for single family houses and apartments Hoval Indoor Climate Systems Supply fresh air remove extract air heat and cool filter and distribute air make use of waste heat or recover cooling energy Whatever the task may be Hoval systems can provide
11. supply cable Fig D4 1 A look in the zone control panel Control panel Coated sheet steel RAL No 7035 Short circuit resistance lcw Connecting terminals Installation Top Floor or wall installation 10 KA eff se Indoors Ambient temperature 5 40 C Storage and transport 25 55 C temperature Ambient humidity max 50 rh at 40 C max 90 rh at 20 C Table D4 2 Technical data of the zone control panel SDZ1 SDZ2 SDZ3 SDZ4 SDZ5 SDZ6 SDZ7 SDZ8 SDZ9 AN Oa PS Go M o 380 600 600 760 800 800 800 1000 1200 X X X x X KX X K XK 600 600 760 760 1000 1200 1800 1800 1800 x XXX SS SS Xx Xx XK 210 210 210 210 300 300 400 400 400 Table D4 3 Available sizes and dimensions of zone control panel 33 Control system DigiNet 5 ege 5 Control components in the units Floating signal transmitting the cooling demand to the onsite refrigeration system 3 x 1 5 mm max AC 230 V 2A Trouble indicator input signal which informs DigiNet that the cold supply is not working Floating signal for the external display of a collective alarm 8 x 1 5 mm max AC 230 V 6A Table D4 4 External connections 34 In every AdiaVent unit the following is installed e A DigiUnit terminal box with DigiUnit controller and high voltage section The DigiUnit controller regulates the individual unit accord ing to the settin
12. 3 40 NT 4 40 26 35A NT 3 60 NT 4 60 36 50A NT 3 80 NT 4 80 51 65A NT 3 100 NT 4 100 66 75A NT 3 125 NT 4 125 76 100 NT 3 160 NT 4 160 101 155 A NT 3 250 NT 4 250 1 Nominal current consumption of all indoor climate units in the system Table D6 6 Size of circuit breakers without neutral wire switch off 3 pin and with neutral wire switch off 4 pin m Room temperature averaging MRT Instead of only one room air sensor four sensors are deliv ered to provide the average value the corresponding con necting terminals are integrated 35 Control system DigiNet 5 7 Alarms and monitoring The Hoval DigiNet monitors itself All alarms are entered in the alarm list and displayed on the operator terminals Alarms of priority A are also displayed using the collective trouble indicator Alarm Frost A Supply air fan A Process air A fan Humidifier A pump Overflow A Fresh air sen A sor Dry run B Room air sen B sor Supply air B sensor Revision B Filter B Priority Cause The fresh air temperature has fallen under 5 C The supply air fan is over heated The process air fan is over heated The pump motor is overheated The water tank is full to over flowing The fresh air sensor is malfunc tioning The water tank is empty The room air sensor is malfunc tioning The supply air sensor is mal functioning The isolation switch remains in the Off position for more tha
13. AdiaVent Air recirculation unit for cooling closed spaces Design Handbook AdiaVent Design Handbook Subject to technical alterations Art Nr 4 207 885 09 2008 Hovalwerk AG Liechtenstein 2007 AdiaVent ADV Air recirculation unit for cooling closed spaces Options atid 25 Control System 29 System Design 39 Operation 43 1 Symbols 5 2 Operational safety 5 3 Information for a user manual 5 Safety 1 Symbols Caution This symbol warns against risks of injury Please heed all instructions designated by this symbol to prevent injuries and or death Attention This symbol warns against risks of property damage Please heed the respective instructions to prevent risk of damage to the unit and its functions Notice This symbol denotes information about the economic use of the equipment or special tips 2 Operational safety AdiaVent units are state of the art and safe to operate Nevertheless hazards may emanate from the units if they are used incorrectly or not used as intended Therefore e Please read the operating instructions before unpack ing installing commissioning and before maintaining the equipment e Store the operating instructions so that they are easily accessible e Observe all appropriate informational and warning signs e Rebuilding or making changes to the unit on one s own authority are not permitted
14. For detailed information about integrating with the manage ment level contact Hoval customer service 3 4 Remote control over the internet using DigiWeb The DigiWeb web server allows you to access Hoval DigiNet systems over the Internet Remote control is possible from any PC with an Internet browser A novaNet router is re quired to connect to the DigiNet system For detailed information about remote control contact Hoval customer service Control system DigiNet 5 4 Zone control panel Hoval indoor climate units are summarised into control zones which are controlled from the zone control panel The DigiZone controller e controls operating modes e transmits the fresh air and room temperature to the indi vidual units sets the outputs for the enable cooling requirement message and the collective trouble indicator 1 Fresh air temperature sensor cable length max 170 m 1 Transformer 230 24 V 2 Circuit breakers for transformer 1 pin 1 Relay 1 Safety relay 2 pin external Connecting terminals for e Fresh air sensor e Mains supply 1 DigiZone controller 1 Room air sensor included 1 Relay Connecting terminals for e Room air sensor Enable cooling Trouble input cooling Collective trouble indicator novaNet system bus Table D4 1 Content of the zone control panel Attention Danger from electric current Ensure that overcurrent protection equipment is installed onsite for the power
15. Master technical data Fig D3 1 Operation via Touchpanel with the DigiMaster Fig D3 2 DigiMaster installed in the door of the zone control panel shown here with window for DigiMaster 31 Control system DigiNet 5 3 2 Operation using PC and DigiCom The system can be operated easily using a PC and DigiCom The operating software clearly displays the system on the PC It offers the following functions to competent users e Display and set operating modes e Display temperatures and set room temperature set values e Display and program the scheduler and the calendar e Display and handle alarms and maintain an alarm log e Display and set control parameters e Trend function for the graphic display of current data e Display tables and graphics of historic data e Logbook for logging all system actions e Differentiated password protection The DigiCom package consists of the operating software the novaNet router and the connection cables Fig D3 3 Operation via PC Processor Intel Pentium Ill 800 MHz Main memory 256 MB Hard disk 9GB DVD drive yes Interfaces 1 USB 1 serial 1 mouse Operating system Windows NT4 SP6a 2000 or XP Table D3 2 Requirements of PC used 3 3 Integration with management level with DigiBac An automation station with BACnet communication card known as DigiBac allows you to integrate the Hoval DigiNet at management level Communication takes place over BACnet IP on an Ethernet basis
16. a tailor made answer with minimal design and installation outlay Hoval Heat Recovery Efficient energy use through heat recovery Hoval offers two different solutions plate heat exchangers as a recuperative system and rotary heat exchangers as a regenerative system Hovalwerk AG Austrasse 70 9490 Vaduz Liechtenstein tel 423 3992400 fax 423 39927 31 info lufttechnik hoval com www hoval com Art Nr 4 207 885 09 2008 Conservation of Energy Protection of the Environment
17. cess air filter bag filter class F5 with differential pres sure switch for filter monitoring e 2 aluminium plate heat exchangers e Maintenance free direct drive supply air fan e maintenance free direct drive process air fan e Humidifier with humidifier pump e Humidifier circuit with valve e DigiUnit terminal box with DigiUnit controller as a part of the Hoval DigiNet regulation system DigiUnit Controller DUS Control module fully wired to the components of the ven tilation unit fans temperature sensors valves humidifier pump filter pressure switch e controls the AdiaVent unit according to the individual control zone commands e Controls the supply air temperature using cascade con trol High voltage section e Mains power terminals e Isolation switch can be operated from the outside e Motor contactor for each fan e Fuse for the electronics e Transformer for the DigiUnit controller and the valves e Connection terminals for temperature sensors e Terminal box heating Type ADV 6 DN5 Nominal air flow rate 6080 m h Power consumption 3 kW Supply voltage AC 3 x 400 V Frequency 50 Hz Fresh air Gl Supply air __ C Cooling capacity kW 22 8 2 Options E Fresh air box AUK Insulated Aluzinc sheet steel housing e Fresh air damper with actuator e Fresh air filter class F7 with differential pressure switch for filter monitoring E Ultraviolet lamp UVL Ultraviolet lamp with incorporate
18. clage AdiaVent ADV sont conformes aux directives europ ennes suivantes Machines 98 37 CE Compatibilit lectromagn tique CEM 2004 108 CE Basse tension 2006 95 CE Normes harmonis es appliqu es Organisme de Certifacation Machines Dichiarazione di conformit Con la presente dichiariamo che i prodotti Declaration of Conformity We herewith declare that the products Apparecchio per ricircolo d aria Recirculation Unit AdiaVent ADV sono conformi alle seguenti direttive europee Macchine 98 37 CE Compatibilita elettromagnetica CEM 2004 108 CE Bassa tensione 2006 95 CE Norme armonizzate applicate Ente certificatore Macchine AdiaVent ADV are in conformity with the following directives Machinery 98 37 EC Electromagnetic Compatibility EMC 2004 108 EC Low Voltage 2006 95 EC Applied harmonised standards Notified body Machinery EN ISO 12100 1 2003 EN ISO 12100 2 2003 EN ISO 14121 1 2007 EN ISO 13857 2008 EMV CEM CEM EMC EN 61000 6 2 2005 EN 61000 6 3 2007 Niederspannung Wir erkl ren dass das bezeichnete Produkt als selbst ndiges Ger t den oben angef hrten Normen Richtlinien bzw technischen Spezifikationen entspricht Bei einer nicht mit uns abgestimmten nderung des Produktes verliert diese Erkl rung ihre G ltigkeit Die Sicherheitshinweise in der Dokumentation Betriebs und Bedienungsanleitung sind zu beachten
19. compliance with the installation commis sioning operating and maintenance provisions operating instructions Any usage over and above this use is considered to be not as intended The manufacturer is not responsible for any resulting damage 1 2 User group AdiaVent units may only be installed operated and main tained by specialist personnel well acquainted with them and the possible risks The design handbook is intended for English speaking engineers and technicians as well as specialists in building heating and ventilation technology 1 3 Hazards AdiaVent units are state of the art and of safe operation Despite all taken measures there are potential non obvious risks such as e Dangers when working with the electrical systems e Parts e g tools can fall down below when working on the ventilation unit e Dangers from working on the roof e Damage to devices or components due to lightning e Water ingress in the AdiaVent system if doors and or ports are not properly closed e Malfunctions as a result of defective parts 2 Construction and operation The AdiaVent ADV system is intended for the cooling of large high spaces e g factory halls industrial halls super markets sport arenas etc It fulfils the following functions e Cooling adiabatic e Recirculation e Optional mixed air operation e Air filtration 7 FA 11 ST Nw l
20. d sharp steel plate edges Secure doors and doors against inadvertent closing Immediately replace damaged or removed informational and warning signs Following maintenance work professionally reassemble all dismantled protective devices Rebuilding or making changes to the unit on one s own authority are not permitted Replacement parts must comply with the technical requirements of the system manufacturer Hoval recom mends the use of original replacement parts 45 Operation 2 2 Filter change Caution Risk of poisoning from incorrect work Filters must be replaced by qualified personnel only E J 2 _ 2 3 Cleaning the humidifier circuit O Opening for cleaning agent DigiUnit terminal box access door Isolation switch O Filter access door O Isolation switch e Supply air filter O Process air filter Fig F2 1 Filter change e m Changing the supply air filter e Turn isolation switch Pos O to the off position and wait until the fans stop running e Open filter access door Pos e Change the supply air filter Pos e Close filter access door and turn isolation switch to the on position again e The supply air filter has been changed Changing the process air filter e Turn isolation switch Pos O to the off position and wait until the fans stop running e Open filter access door Pos OQ e Change the process air filter Pos O e Close fi
21. d electronics e Power intake lt 40 W E Supply air filter ZF5 Supply air filter class F5 instead of class G4 E Paint finish AL ADV Paint finish as desired 8 3 Control system Digital control system for the energy optimised operation of decentralised indoor climate systems e System set up according to OSI reference model e Onsite connection to the individual control modules using novaNet system bus in a free topology by electrical installer e Cross communication with equal priority peer to peer multiplier using novaNet log e Fast reaction times due to data transmission on an events basis e Control modules pre addressed in the factory with integrated lightning protection and battery buffered RAM modules e No onsite engineering binding required E DigiNet operator terminals DigiMaster DM5 Preprogrammed Plug amp Play operator terminal with graphic user interface consisting of a touch panel with colour dis play installed in the door of the zone control panel e Monitoring and setting the DigiNet system operating modes temperature values scheduler calendar alarm handling control parameters DigiCom DC5 Package consisting of operating software novaNet router and connection cables for using the Hoval DigiNet with a PC e Monitoring and setting the DigiNet system operating modes temperature values scheduler calendar alarm Specification texts handling and forwarding control parameters e Tren
22. d function data storage and logbook e Differentiated password protection Options e Window for DigiMaster IP65 framework novaNet socket novaNet router m DigiNet zone control panel The zone control panel coated sheet steel RAL 7035 contains e 1 fresh air sensor e 1 transformer 230 24 V e 2 circuit breakers for transformer 1 pin e 1 relay 1 safety relay 2 pin external Input and output terminals top e 1 wiring diagram of the system 1 DigiZone controller 1 relay and 1 room air sensor included for each control zone DigiZone controller DZ5 Control unit for each control zone integrated in the zone control panel e Processes the room and fresh air temperature inputs as well as special functions optional e Controls the operating modes according to the scheduler e Sets the outputs for the enable cooling requirement message and the collective trouble indicator Options e Alarm lamp e Socket e 2 pin circuit breakers e Room temperature average value 23 Konformit tserkl rung Wir erkl ren hiermit dass die Produkte Umluftger t AdiaVent ADV mit den folgenden europ ischen Richtlinien Ubereinstimmen Maschinen 98 37 EG Elektromagnetische Vertr glichkeit EMV 2004 108 EG Niederspannung 2006 95 EG Angewandte harmonisierte Normen berwachende benannte Stelle D claration de conformit Par la pr sente nous d clarons que les produits Appareil de recy
23. drain plug O Isolation switch Fig F1 1 empty humidifier pump e Check whether water is still present in the humidifier circuit if necessary drain it Notice Unlock the backflow preventer Pos e Empty the water tank via drain stopper e Close the DigiUnit terminal box access door Pos e Switch the isolation switch to the On position Pos O e AdiaVent is now out of operation Operation 1 4 Putting in operation again e Switch the isolation switch to the Off position and wait for the fans to stop Pos e Open the DigiUnit terminal box access door Pos e Fill the humidifier pump Pos O DigiUnit terminal box access door Isolation switch Filling plug of the humidifier pump Fig F1 2 Filling the humidifier pump e Close the DigiUnit terminal box access door Pos e Switch the isolation switch to the On position Pos e Turn on water supply e Select operating mode COOL at control terminal e AdiaVent is now in operation 2 Maintenance and repair 2 1 Safety during maintenance Before undertaking any work on the unit turn the isola tion switch to the off position Wait for the fans to stop Observe the accident prevention regulations Maintenance work to be carried out by trained personnel only Observe the particular dangers involved in working on the roof and on electrical systems When working in the unit take precautions against un protecte
24. er supply for AdiaVent Power supply novaNet system bus Room air sensor Fresh air sensor Enable cooling Trouble input cooling Collective trouble indicator 3 x 400 V 12V 10V 3 x 400 V 12V 10V 10V volt free max 230 V 24V volt free max 230 V 3 x 400 V 1 x 230 V 12V 10V 10V volt free max 230 V 24V volt free max 230 V 5 x 2 5 mm 2 x 0 16 mm 2 x 1 5 mm 5x mm 2 x 0 16 mm 2 x 1 5 mm 2 x 1 5 mm 8 x 1 5 mm 24V 3x 1 5 mm 5x2 5 mm 3x mm 2 x 0 16 mm 2 x 1 5 mm 2x 1 5 mm 3x 1 5 mm 24V 3x 1 5 mm for bus cable specifications see Part D Ch 2 4 max 170 m for bus cable specifications see Part D Ch 2 4 max 170 m max 170 m max 2A per zone per zone max 2 A per zone for each AdiaVent unit for bus cable specifications see Part D Ch 2 4 max 170 m max 170 m max 2 per zone per zone max 2 A per zone 21 Specification texts 8 Specification texts 8 1 AdiaVent ADV Self supporting weatherproof Aluzinc sheet steel housing internally insulated fire protection class B1 with access door for easy access to filter DigiUnit terminal box and humidifier with access panel for easy access to fans and isolation switch on the outside for cutting off high power current AdiaVent comprises e Supply air filter bag filter class G4 with differential pres sure switch for filter monitoring e Pro
25. es in the following modes e Off e Cooling e Night cooling summer e Cleaning Code Operating mode OFF Off The fans are turned off Frost protection remains active There is no room temperature control COOL Cooling The AdiaVent ADV blows cool and filtered air into the room and suctions the warm extract air Cooling capacity is regulated according to the cooling demand The room temperature set value day is active Process E Lee Supply air fan Humidifier pume ET according to temperature conditions NCS Night cooling summer The AdiaVent ADV blows cool and filtered air into the room and suctions the warm extract air The humidifier pump is not in operation The cooling capacity is not regulated The room temperature set value night is active Process air fan Supply air fan Humidifier pump off according to temperature conditions CLN Cleaning The operating mode Cleaning washes out and sterilises the humidifier circuit No cooling takes place Process GUST HESE off SUP Off Dumidifienpumpresree on Time required 80 min The DigiNet control system regulates these operating modes automatically for each control zone according to the switching schedule In addition you can e manually switch the operating mode of a control zone e switch each individual AdiaVent ADV to the modes Off Cooling Night cooling summer or Cleaning Use if AdiaVent ADV i
26. gs of the control zone and regulates supply air temperature by means of cascade control The high voltage section contains e Mains power terminals Isolation switch can be operated from the outside Motor contactor for each fan Fuse for the electronics Transformer for the DigiUnit control ler valves and actuating drives e Relays for emergency operation e Connecting terminals for actua tors and temperature sensors Terminal box heating Attention If the power supply for the DigiUnit terminal box is interrupted frost protection and monitoring are not guaranteed You can only tell that a DigiUnit control ler has broken down because it is no longer dis played on the operator terminal You should therefore check regularly that the display is complete Terminal box coated sheet steel Cover screwed down Protection level IP65 Supply voltage LL1 L2 L3 N PE L 3 x AC 400 V 50 Hz Permitted voltage tolerance 10 Power consumption see Technical data chapter AdiaVent ADV 6 pre fuse T20A Table D5 1 Technical data of the DigiUnit terminal box Control system DigiNet 5 6 Options 6 1 Options for operating DigiNet m Window for DigiMaster FDM The window for DigiMaster 350 x 400 mm protects the DigiMaster that is integrated in the panel door from unau thorized use and dirt It consists of an aluminium anodised framework with a seal and a lock m IP65 framework The IP65 framework is used to integ
27. ical levels that are connected by a novaNet system bus 2 1 Operational level This is where the user operates the system Different op erational options are available according to project specific requirements 2 2 Zone level AdiaVent units operating under the same conditions are grouped into control zones The criteria concerning how the zones are created can be for example operating times room temperature set values and so on In the zone control panel there is a DigiZone controller system for each control zone There is one DigiZone controller for each control zone in the zone control panel max 10 max 9 Control zones Units per control zone Table D2 1 Application limits of Hoval DigiNet Notice For larger projects special solutions may be possible 2 3 Unit level In every AdiaVent unit there is a DigiUnit controller which controls the unit individually in accordance with the local conditions 30 2 4 novaNet system bus The individual Hoval DigiNet components are connected via a novaNet system bus analogously to the OSI layer model Data transfer takes place in an event oriented manner this reduces data traffic and ensures short reaction times Cable type 1 pair of wires drilled shielded category 5 or above Topology free star ring tree structure Length max 1900 m For longer bus lengths Include a repeater or divide the system into several networks Cross communication with equal priority
28. ility EMC 2004 108 EC Low Voltage 2006 95 EC Applied harmonised standards Notified body Low Voltage EN 60204 1 2006 EN 60335 1 2002 Wir erkl ren dass das bezeichnete Nous d clarons que le produit Produkt als selbst ndiges Ger t den d sign titre d appareil autonome oben angef hrten Normen r pond aux normes directives et ou Richtlinien bzw technischen sp cifications techniques Spezifikationen entspricht mentionn es ci dessus Bei einer nicht mit uns abgestimmten nderung des Produktes verliert diese Erkl rung ihre G ltigkeit Die Sicherheitshinweise in der Dokumentation Betriebs und Bedienungsanleitung sind zu En cas de modification du produit sans notre accord cette declaration devient caduque Il y a lieu de tenir compte des directives de s curit le mode d emploi et les instructions beachten de service Edit Hovalwerk AG psa Austrasse 70 Manufacturer LI 9490 Vaduz Vaduz 02 09 2008 mentionn es dans la documentation Noi dichiariamo che il prodotto citato We declare that the named product inteso come apparecchio autonomo soddisfa le norme direttive e specifiche tecniche elencate Modifiche apportate al prodotto non concordate con noi invalidano questa certificazione Le indicazioni in merito alla sicurezza e il manuale d uso devono essere considerati CEO Lufttechnik neue M rkte as an autonomous equipment is in conformity with the listed directive
29. ing on local conditions DigiNet allows for maximum flexibility of operation with respect to the control zones unit combinations operat ing modes and operating times The ready to connect units with integrated control com ponents are easy to design with and install Commissioning of the DigiNet is quick and easy thanks to the plug amp play components and pre addressed con trol modules A detailed description of the DigiNet is found in Part D Control System of this design handbook 19 Transport and installation 7 Transport and installation 7 1 Assembly Caution Risk of injury from incorrect handling Transport and installation work may only be done by specialists e The units can be mounted on the facade or on the roof e A fork lift will be required to mount the unit on the facade e In order to mount the unit on the roof a crane or a heli copter and 4 hoisting slings length approx 10 m are required If steel cables or chains are used the AdiaVent unit must be adequately protected e Supply and extract air ducts are required e Air distribution within the building is necessary e Provisions for openings in the walls for the supply and extract air ducts must be made e Make sure that the base corresponds with the specifica tions in Part E System design e Observe the installation instructions provided
30. issible speed of the air O Extract air duct Supply air duct Diffuser air outlet Fig E3 1 Example duct connection 5 Lightning protection system Make sure you obtain professional planning and design of a lightning protection system for the units and or for the entire building 6 Socket For maintenance work a socket 1 phase AC 230V 50 Hz can be installed in AdiaVent next to the DigiUnit terminal box 7 General checklist e Are base and roof strong enough to support the units e Is there enough space in the area around the AdiaVent unit for servicing and maintenance work e Are the access doors and access panels accessible without hindrance e Has frost protection been provided for the water piping e Is the air volume balanced e Is it possible to drain completely the water piping sys tem e Are the application limits being complied with e Are unit options required e Are control system options required e How are the control zones subdivided e Which operating options are to be used e Where are the operating options to be located and dis posed 41 1 Operation 2 Maintenance and repair 3 Dismantling 4 Disposal 44 45 48 48 Operation Operation 1 Operation 1 1 Commissioning Attention Risk of property damage from commissioning on one s own authority Commissioning to be performed by Hoval customer service only
31. k Caution Danger of poisoning through failure to perform main tenance work Perform the work within the pre scribed intervals E Filter The AdiaVent units are equipped with a differential pres sure monitor to control the process air filter and the supply air filter Replace the filter when the Filter alarm is displayed on the operating panel E Humidifier cycle and water filter Clean the humidifier circuit and water filter after 300 operat ing hours E Control and maintenance work performed by Hoval The following work should be provided by Hoval customer service each year e The AdiaVent unit is cleaned e Check and adjust jet spray pattern e Control system function test e Operation of pump and fans checked e Check for leakages 2 6 Repair Request the visit of your Hoval Customer Service 47 Operation 3 Dismantling Caution Risk of injury from incorrect work Dismantling to be carried out by specialists only Make sure that the following items are on hand a fork lift if the unit is mounted on the facade or a crane or helicopter if the unit is mounted on the roof For installation with a crane or helicopter 4 straps strap length approx 10 m each carrying power of the belts according to Table B3 6 layout dimensions and weights and 1 safety cable Proceed as follows 4 Put AdiaVent out of operation Remove all the connections to utilities of the unit electric cabling water piping and
32. kW Qi Cooling capacity per AdiaVent unit in kW 18 Example Cooling load Standard fresh air conditions Desired room temperature Extract air temperature External pressure drop 190 kW 28 C 30 24 C 28 C 120 Pa From the diagram B3 1 Air flow rate there results an air flow rate of 5780 m h depend ing on the pressure drop From Table B3 4 Cooling capacity and supply air temperature there results a cooling capacity of 19 8 kW referred to a nominal air flow rate of 6080 m h 5780 Q 198 0 6080 Q 188 190 n e 18 8 BEE Selected 10 ADV 6 units Options control systems 5 Options AdiaVent ADV units can be adapted to the specific require ments of each project by means of a range of options A detailed description of all optional components is found in Part C Options of this design handbook Fresh air box for use as air mixing unit AUK Ultraviolet lamp for additional sterilisation of the water UVL Paint finish paint finish as desired AL ADV Aftercooler for constant cooling capacity Supply air filter to optimise the filtering of the supply ZER air 6 Control system AdiaVent ADV are controlled by the Hoval DigiNet system This control system developed specifically for Hoval indoor climate systems provides the following advantages DigiNet utilises the full potential of the decentralised systems lt controls each ventilation unit individually depend
33. lfunctions Avoids interruptions of operation Prevents damage to the motor Avoids interruptions of operation Avoids interruptions of operation Avoids unintentional switching off Informs the user of the necessity of mainte nance work D claration de K tserkl onformit tserkl rung ES Wir erkl ren hiermit dass die Produkte Par la pr sente nous d clarons que les produits Steuerung Regelung Commande r gulation DigiNet DN mit den folgenden europ ischen Richtlinien Ubereinstimmen sont conformes aux directives europ ennes suivantes Elektromagnetische Compatibilit lectromagn tique CEM 2004 108 CE Niederspannung 2006 95 EG Basse tension 2006 95 CE Angewandte harmonisierte Normen berwachende benannte Stelle Normes harmonis es appliqu es Organisme de Certifacation Dichiarazione di conformit Con la presente dichiariamo che i prodotti Commando regolazione DigiNet DN sono conformi alle seguenti direttive europee Compatibilit elettromagnetica CEM 2004 108 CE Bassa tensione 2006 95 CE Norme armonizzate applicate Ente certificatore CEM EN 61000 6 2 2005 EN 61000 6 3 2007 Niederspannung Basse Tension Bassa tensione Hoval Declaration of Conformity We herewith declare that the products Control regulation DigiNet DN are in conformity with the following directives Electromagnetic Compatib
34. lter access door and turn isolation switch to the on position again e The process air filter has been changed 46 Fig F2 2 Cleaning the humidifier circuit Select operating mode off at control terminal Isolation switch Pos must be turned to off position then wait for fans to stop Open the DigiUnit terminal box access door Pos O Pour the cleaning agent 700 ml into the opening pro vided for this purpose Pos Close DigiUnit terminal box access door and turn the isolation switch to the on position again Select operating mode CLN at control terminal The AdiaVent unit cleanses itself Operation 2 4 Cleaning the water filter d O Water tank DigiUnit terminal box access door O Water filter O Isolation switch Fig F2 3 Water filter e Select operating mode off at control terminal e Isolation switch Pos O must be turned to off position then wait for fans to stop e Open the DigiUnit terminal box access door Pos O e Completely remove the water filter cover e Remove and clean the filter insert of the water filter Pos 6 Notice With major contamination also clean the water tank Pos O e Reinstall water filter following the above steps in opposite order e Close the DigiUnit terminal box access door e Turn isolation switch to on position e The water filter has now been cleaned 2 5 Periodic control and maintenance wor
35. ly air duct Your Hoval advisor will gladly provide you with any further information you may need 5 Supply air filter ZF5 A class G4 supply air filter is installed as standard If air is extracted from and blown into different rooms or in cases of heavily polluted air a class F5 supply air filter must be installed Notice Because of the additional pressure drop the output figures of the AdiaVent unit will decrease O external pressure drop with ZF5 0 supply air with ZF5 nominal air flow rate with ZF5 20 4000 4500 5000 5500 Air flow rate in m h Diagram C4 1 Air flow rate with ZF5 option 6000 6500 7000 27 Control system 1 General information 2 System setup 3 Operating options 4 Zone control panel 5 Control components in the units 6 Options 7 Alarms and monitoring 8 Declaration of conformity 30 30 31 33 34 35 36 37 Control system DigiNet 5 1 General information Hoval s DigiNet is a control system that was specially de veloped for decentralised indoor climate units The system was developed together with Fr Sauter AG a company also supplying the hardware components Notice This chapter Control system refers only to the AdiaVent unit In the case of a combination of units please observe the respective design handbooks of the selected units 2 System setup Hoval s DigiNet is divided into three hierarch
36. n 30 min The filter is contaminated Table D7 1 Alarms in Hoval DigiNet 36 Attention If the power supply for the DigiUnit terminal box is interrupted frost protection and monitoring are not guaranteed You can only tell that a DigiUnit control ler has broken down because it is no longer dis played on the operator terminal You should therefore check regularly that the display is complete System reaction e The affected AdiaVent unit switches to the operating mode off e The water tank is emptied The affected AdiaVent unit switches to the operating mode oft The affected AdiaVent unit switches to the operating mode oft The affected AdiaVent unit switches to the operating mode oft e The affected AdiaVent unit switches to the operating mode off e The water tank is emptied e AdiaVent restarts automatically The affected AdiaVent unit switches to the operating mode off e The water tank is emptied e The affected AdiaVent unit switches to the operating mode off e The water tank is filled e AdiaVent restarts automatically The DigiNet continues to work with the set value as the room tempera ture until the error is corrected DigiNet continues operating with a supply air temperature of 20 C until the fault is eliminated Benefit Avoids frost damage Prevents damage to the motor Prevents damage to the motor Prevents damage to the motor Avoids ma
37. rate the DigiMaster in the panel door and to make it water and dust proof It guar antees a front side protection level of IP 65 m novaNet socket NS The novaNet socket is used to connect a DigiCom easily to the novaNet system bus The plastic housing contains two RJ 11 jacks and the terminals for wiring the bus input m novaNet router NR5 The novaNet router is used to connect an operator PC to the novaNet system bus via a COM interface or modem 6 2 Options for the zone control panel m Alarm lamp SSL A lamp for displaying alarms of priority A is installed in the door of the zone control panel m Socket SST A 1 phase socket with a 2 pin circuit breaker is installed in the zone control panel This socket serves for connecting maintenance tools Its circuit is not cut out by the safety relay E 2 pin circuit breaker 2PS The circuit breakers for the transformer have two pins m Power supply SIA The power supply for AdiaVent units is integrated in the zone control panel in those units with DigiUnit controller installed The following are integrated in the panel e The necessary circuit breakers and output terminals for each unit e The safety relay external The size of the safety relay depends on the rated current It replaces the zone control safety relay Type Power supply SIA3 with 3 pin circuit breakers SIA4 with 4 pin circuit breakers Table D6 5 Power supply Rated current Type 3 pin Type 4 pin 0 25A NT
38. s and standards respectively technical specifications Changes on the product which are not consulted by us will invalidate this declaration The safety advices in the documentation and user manual are to be considered NK ppa Stephan Eder Leiter Lufttechnik y f 37 1 Base 2 Location of the temperature sensors 3 Hydraulic connection 4 Duct connection 5 Lightning protection system 6 Socket 7 General checklist 40 40 40 41 41 41 41 System design System design 1 Base For the installation of the AdiaVent unit a base is required Please consider the following in the design process e Access doors and access panels air intake and exhaust air grille must be freely accessible e The base must be perfectly flat and level with a maximum inclination of 1 e The load bearing capacity of the base are to be in ac cordance with Table B3 6 Dimensions and weight of the AdiaVent ADV e Base borehole diagram e te E m E Ka Y A gt A mm 927 B mm 1318 C mm 110 D mm 8 E mm 290 Fig E1 1 Base borehole diagram e Minimum distances see Technical data chapter must be observed e The included dowels are hard designed for torn and untorn concrete and natural stone e Compliance with the dimension E is required to avoid concrete and edge blowouts 40 2
39. s not needed Layout during room use for energy saving cooling during the night for the cleaning and sterilisation of the humidifier circuit 1 This code identifies the operating mode in the DigiNet control system see Part D Control systems Table B2 1 Operating modes 12 Technical data Unit type reference air distribution electric supply connection hydraulics application limits 3 Technical data ADV 6 DN5 Unit type AdiaVent Unit size 6 Control DNS Design for DigiNet 5 Options AUK Fresh air box UVL Ultraviolet lamp ZF5 Supply air filter F5 AL ADV Paint finish Table B3 1 Unit type plate Air distribution Nominal air flow rate m h 6080 in case of external pressure drop Pa 50 e Supply air and extract air duct e Diffuser air outlet Electric supply connection Supply voltage V AC 3 x 400 Permitted voltage tolerance 10 Frequency Hz 50 Current consumption max A 6 5 Power consumption max kW 3 Filter Supply air G4 Process air ES Hydraulics Water consumption max l h 30 Application limits Fresh air temperature max C 50 Operating pressure hydraulic system max bar 8 pH value max 8 Table B3 2 Technical data Technical data Sound levels air flow rate in case of additional pre
40. ssure drop Sound pressure level 5 m distance dB A Total sound power level dB A Octave sound power level 63 Hz dB 125 Hz dB o 250 Hz dB 500 Hz dB 1000 Hz dB o o P 2000 Hz dB 4000 Hz dB gt IEA 8000 Hz dB with semicircular radiation in low reflection surroundings O in the supply air duct Table B3 3 Sound levels 57 9 19 82 8 84 8 75 0 73 3 71 8 72 4 73 1 ES 79 1 87 0 89 0 80 3 77 7 72 3 59 9 Sl 42 8 Pressure increase in Pa 4000 4500 5000 5500 Air flow rate in m h Diagram B3 1 Air flow rate for additional pressure drop 6000 6500 7000 O External pressure drop of nominal air flow rate Supply air Nominal air flow rate Example supply air An external pres sure drop of 120 Pa results in a new air flow rate of 5780 m h Technical data Cooling capacities supply air temperature minimum distances 16 8 14 0 11 0 14 7 11 3 7 8 12 3 86 45 99 5 4 0 7 kW 15 8 17 1 18 6 16 8 18 4 20 2 17 9 19 8 21 8 19 2 21 4 23 7 C 19 2 16 9 14 3 17 6 14 6 11 5 15 5 12 2 8 6 133 93 5 1 kW 16 6 17 7 19 0 17 4 18 8 20 4 18 4 20 0 21 8 19 5 21 4 235 C 21 3 19 4 17 2 19 9 17 4 14 7 18 2 15 3 12 2 16 3 12 8 9 1 kW 17 6 18 5 19 6 18 2 19 5 20 8 19 1 20 5 22 0 20 0 21 7 235 C Cooling capacity supply air temperature Table B3 4 Cooling capacity and supply air temperature at nominal air flow rate of 6080 m h a
41. t fh J VA N gt LS PA e ua an r F 100 O Supply air and extract air Humidifier circuit Process air fresh air Fig B2 1 Operation The AdiaVent ADV suctions the extract air from the room and cools it indirectly adiabatic through the plate heat exchanger The cooled and filtered supply air is blown back into the hall Construction and operation Notice 2 1 Unit construction CH Indirect adiabatic cooling The fresh air is humidified The AdiaVent ADV system is usually installed on a facade and indirectly cools the supply air via a plate heat or on a roof It requires exchanger e a power supply The supply air is not humidified contamination can e a water supply and drainage thus be ruled out completely e extract and supply air ducts Fresh air is used for the cooling of the room air The fresh air is drawn in through a filter and precooled in the first plate heat exchanger this causes the boundary temperature of adiabatic cooling to sink The fresh air is then blown down wards into the first plate heat exchanger cooler and then into the second plate heat exchanger precooler The fresh air and the plate heat exchangers are sprayed with specially designed spray nozzles and cooled by the evaporation of the water After the precooler the fresh air is blown back into the exterior Construction and operation
42. tmospheric pressure 1013 mbar density of extract air 1 2 kg m en ST OS EEE EES a MER D N X ZS e gt EAS e 050 9 050 9 050 0 o 2 S o o ES o Ss m 4 Unit clearance X min accessible Height of wall H min FA 3 O Allow a free space of about 1 5 m for service and maintenance Distance from wall W min m 1 Table B3 5 Minimum distances 15 Technical data Dimensional drawing O Supply air duct connection O Extract air duct connection Cable feedthroughs for electric supply O Water connection Water drain Fig B3 1 Dimensional drawing 16 Technical data Dimensions and weights Lite A z Al Y o Fig B3 2 Hole pattern for supply air duct connection view Unit type Dimensions Water connection Water drain Weight Table B3 6 Dimensions and weights amp Wl m Sl UA 2 gt ONO lue eo ras SS a eS mm mm mm mm mm mm mm kg d gt aK gt Fig B3 3 Hole pattern for extract air duct connection view 6 ADV 6 1766 1533 2391 348 1326 997 1398 217 785 805 38 35 830 850 M8 Blind rivet nut
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