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5 Options

RoofVent

LKW units can be adapted to the requirements of the specific project with a series of options.

You will find a detailed description of all optional components in Section K 'Options' of this handbook.

Option

Use

ColdClimate design

For installation of the RoofVent

unit in areas where the fresh

air temperatures fall below –30 °C

Oil-proof design

When using the RoofVent

unit in applications with high oil

content in the extract air

Hygiene design

When using the RoofVent

unit in applications with higher

hygiene requirements (corresponds to VDI 6022)

Fans with variable air flow rate

For operation of the unit with variable air flow rate

(supply air and exhaust air)

High-pressure fan, supply air

To overcome additional external pressure drop

(e.g. from supply air ducts installed on-site)

High-pressure fan, exhaust air

To overcome additional external pressure drop

(e.g. from extract air ducts installed on-site)

Hydraulic assembly diverting

system

To facilitate hydraulic installation

Magnetic mixing valve

For continuous regulation of the heating coil (ready-to-

connect)

Fresh air silencer

For reduction of noise from the weather louvre door

Exhaust air silencer

For reduction of noise from the exhaust air grille

Supply air silencer

For reduction of noise within the room

Extract air silencer

For reduction of noise within the room

Acoustic cowl

For reduction of noise within the room (in the Air-Injector)

Actuators with spring return

As additional frost protection (close the fresh air

damper and the ER damper during a power failure)

Air outlet box

When using the RoofVent

unit in low-roofed halls

(instead of the Air-Injector)

Drop eliminator

To drain condensate from the plate heat exchanger onto the

roof

Condensate pump

To drain condensate from the condensate separator through

waste water pipes directly below the ceiling or onto the roof

Heating and cooling in the 4-pipe

system

Additional heating section for 2 completely separate hydraulic

circuits

Design for injection system

For installation of the RoofVent

unit with a hydraulic injection

system (integrated pump control)

Table C10: Availability of options for RoofVent

LKW

RoofVent

LKW

Options

Содержание RoofVent CON-9

Страница 1: ...RoofVent RoofVent Design Handbook Supply and Extract Air Handling Units for Heating and Cooling High Spaces...

Страница 2: ......

Страница 3: ...9 E RoofVent twin pump Supply and extract air handling unit with reversible heat pump for heating and cooling high spaces 117 F RoofVent condens Supply and extract air handling unit with gas condensin...

Страница 4: ...2...

Страница 5: ...Safety A 1 Symbols_____________________________________ 5 2 Operational Safety ____________________________ 5 3 Information for a User Manual ___________________ 5 Safety Content...

Страница 6: ...4...

Страница 7: ...priate informational and warning signs Follow the local safety and accident prevention regula tions at all times RoofVent units may only be installed operated and main tained by authorized skilled and...

Страница 8: ...6...

Страница 9: ...operation______________________ 8 3 Technical data _______________________________ 15 4 Design example______________________________ 24 5 Options ____________________________________ 26 6 Control syst...

Страница 10: ...truction and operation The RoofVent LHW provides fresh air supply and extract air removal as well as heating for large spaces production halls shopping centres sports halls exhibition halls etc It ful...

Страница 11: ...een the supply air and room air The air is therefore blown into the room vertically downward conically or horizontally This ensures that each RoofVent LHW ventilates and heats a large floor area no dr...

Страница 12: ...10 RoofVent LHW Use...

Страница 13: ...pressure switch for filter monitoring Fresh air damper and recirculation damper opposed dampers for switching between fresh air and recirculation opera tion with actuator Gravity damper closes the by...

Страница 14: ...Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor Filter with differential pressure switch Recirculation damper opposed to the fresh air damp...

Страница 15: ...ion damper Open Heating Off VE2 Ventilation The RoofVent unit blows fresh air into the room and draws off spent room air Heating and energy recovery are controlled depending on the heat demand and tem...

Страница 16: ...t unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air vertically downwards to achieve the greatest possibl...

Страница 17: ...il type H A Heating section with coil type A H B Heating section with coil type B H C Heating section with coil type C Air Injector Options Table B2 Unit type reference 3 2 Application limits Extract...

Страница 18: ...rance 10 10 10 Frequency Hz 50 50 50 Active power per motor kW 1 8 3 0 4 5 Current consumption A 4 0 6 5 9 9 Set point of thermal relays A 4 6 7 5 11 4 Speed of rotation nominal rpm 1440 1435 1450 Act...

Страница 19: ...62 57 59 125 Hz dB A 55 71 70 56 63 63 78 70 60 63 65 80 73 63 66 2 250 Hz dB A 61 76 74 64 63 65 81 71 63 66 67 83 74 66 69 500 Hz dB A 61 75 71 61 58 66 81 70 62 61 68 83 73 65 64 1000 Hz dB A 65 77...

Страница 20: ...122 94 9 8 51 11 5248 60 40 LHW 9 A 37 16 22 5 24 3 1570 40 12 25 0 22 3 1706 LHW 9 B 46 26 17 8 27 5 1992 51 22 19 4 26 5 2167 LHW 9 C 73 52 12 8 36 5 3119 79 51 13 0 36 5 3385 80 60 LHW 10 A 74 46...

Страница 21: ...il connections for service and maintenance The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 11 0 13 0 14 0 Max m 22 0 28 0 30 0 Mou...

Страница 22: ...LW Filter box short F00 medium F25 long F50 Heating section H Air Injector D Cable feedthroughs for electrical connections Access panel Return Flow Fig B4 Dimensional drawing for RoofVent LHW dimensi...

Страница 23: ...111 O mm 767 937 937 P mm 758 882 882 Q mm 490 570 570 R mm 900 1100 1100 V mm 500 630 630 Heating coil data Coil type A B C A B C A B C Water content l 3 1 3 1 6 2 4 7 4 7 9 4 4 7 4 7 9 4 L Pipe thr...

Страница 24: ...essure drop of 84 Pa results in a new air flow rate of 5100 m h Air flow rate in m h Diagram B1 Air flow rate RoofVent LHW 6 with additional pressure drops Pressure increase in Pa Exhaust air LHW 9 0...

Страница 25: ...air LHW 10 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 0 9 0 0 5 8 0 0 8 8 0 0 0 8 0 0 5 7 0 0 0 7 Supply air Air flow rate in m h Diagram B3 Air flow rate RoofVent LHW 10 w...

Страница 26: ...LPHW 80 60 C Room temperature 18 C Temperature gradient 9 0 2 K Extract air temperature 20 C Required number of units nreq Based on the air flow rate per unit see Table B4 select a trial unit size Dep...

Страница 27: ...umber of units If it exceeds the maximum value listed in Table B4 increase the number of units Compliance with minimum and maximum distances Check the resulting distances based on the hall geometry an...

Страница 28: ...essure fan exhaust air To overcome additional external pressure drop e g from extract air ducts installed on site Hydraulic assembly diverting system To facilitate hydraulic installation Magnetic mixi...

Страница 29: ...ation efficiency DigiNet regulates the energy recovery output in the plate heat exchanger The ready to connect units with integrated control compo nents are easy to plan and install Commissioning of t...

Страница 30: ...handling Hydraulic installation must be carried out by trained specialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the units...

Страница 31: ...n box Magnetic mixing valve Collective trouble indicator Fresh air sensor Room air sensor Trouble input heating Main pump DigiMaster Zone control panel Enable heating Heating control panel Fig B6 Conc...

Страница 32: ...separately from the mains cables Establish plug connections from the Air Injector to the filter box and from the filter box inside to the roof unit Wire the mixing valves to the connection box There i...

Страница 33: ...on terminal 24 V 3 x 1 5 mm Per special function Power supply for RoofVent LHW 3 x 400 V LHW 6 5 x 4 mm LHW 9 5 x 6 mm LHW 10 5 x 10 mm Per RoofVent LHW Main pump 3 x 400 V 4 x 2 5 mm Per pump Humidit...

Страница 34: ...uding the air distribution according to the specifications of the control zone Controls the supply air temperature using cascade control High voltage section Mains power terminals Isolation switch can...

Страница 35: ...espective heating coil Fresh air silencer ASD As an attachment to the weather louvre door casing consisting of Aluzinc sheet steel with lining of sound attenu ation material for reducing noise from th...

Страница 36: ...control zone for installation at any location in a triple flush socket box or in the door of the zone control panel Display of the current room temperature set value Increase or decrease the set valu...

Страница 37: ...n and operation_____________________ 36 3 Technical data _______________________________ 43 4 Design example______________________________ 52 5 Options ____________________________________ 54 6 Contro...

Страница 38: ...on The RoofVent LKW is used for ventilating heating and cooling large areas production halls shopping centres sports halls exhibition halls etc It fulfils the following func tions Heating with connect...

Страница 39: ...pply air and room air The air is therefore blown into the room vertically downward conically or horizontally This ensures that each RoofVent LKW ventilates heats and cools a large floor area no draugh...

Страница 40: ...38 RoofVent LKW Use...

Страница 41: ...ter monitoring Fresh air damper and recirculation damper opposed dampers for switching between fresh air and recirculation operation with actuator Gravity damper closes the bypass during shutdown and...

Страница 42: ...ensate separator Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor Filter with differential pressure switch Recirculation damper opposed to t...

Страница 43: ...entilation The RoofVent unit blows fresh air into the room and draws off spent room air Heating cooling and energy recovery are controlled on the basis of heating cooling demand and temperature condit...

Страница 44: ...the RoofVent unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air vertically downwards to achieve the great...

Страница 45: ...ction with coil type D Air Injector Options Table C2 Unit type reference 3 2 Application limits Unit type LKW 6 LKW 9 LKW 10 Extract air temperature max C 50 50 50 Extract air relative humidity max 60...

Страница 46: ...rs to RoofVent LKW with heating cooling coil type C and vertical supply air discharge direction Table C4 Technical data RoofVent LKW 3 4 Sound levels Unit type LKW 6 LKW 9 LKW 10 Operating mode VE2 RE...

Страница 47: ...8 42 6 3977 80 60 LKW 10 C 125 98 10 2 51 12 5347 133 95 10 4 50 13 5684 LKW 10 D 151 124 9 2 60 13 6481 161 124 9 2 60 14 6887 60 40 LKW 10 C 80 53 13 7 36 5 3414 87 50 14 0 35 7 3753 LKW 10 D 98 71...

Страница 48: ...23 6891 31 LKW 10 D 38 76 28 13 41 10953 54 33 64 23 14 29 9157 43 32 40 LKW 10 C 40 54 29 16 29 7801 21 36 44 26 18 20 6357 12 LKW 10 D 50 72 39 13 36 10262 32 45 59 34 15 25 8466 21 60 LKW 10 C 37 8...

Страница 49: ...coil connections for service and main tenance The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 11 13 14 Max m 21 27 29 Mounting hei...

Страница 50: ...Filter box short F00 medium F25 long F50 Cable feedthroughs Access panel Heating cooling section K Air Injector D Return Flow Condensate connection Fig C4 Dimensional drawing for RoofVent LKW dimensi...

Страница 51: ...490 570 570 R mm 900 1100 1100 V mm 500 630 630 W mm 54 53 53 Coil type C C D C D N mm 123 92 83 92 83 Y mm 78 78 95 78 95 Heating coil data Water content l 6 2 9 4 14 2 9 4 14 2 L Pipe thr 1 female...

Страница 52: ...re drop of 42 Pa results in a new air flow rate of 4800 m h Air flow rate in m h Diagram C1 Air flow rate RoofVent LKW 6 with additional pressure drops Pressure increase in Pa Exhaust air LKW 9 0 0 2...

Страница 53: ...t air LKW 10 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 0 9 0 0 5 8 0 0 4 8 0 0 0 8 0 0 5 7 0 0 0 7 Supply air Air flow rate in m h Diagram C3 Air flow rate RoofVent LKW 10...

Страница 54: ...medium LPCW 8 14 C Room temperature 26 C Temperature gradient 10 0 2 K Extract air temperature 28 C Required number of units nreq Based on the air flow rate per unit see Table C4 select a trial unit...

Страница 55: ...arrangement of the units using the information in Table C8 Floor area per unit 72 60 10 432 m Max floor area reached 855 m OK Minimum and maximum distances can be complied with when units are arrange...

Страница 56: ...installation Magnetic mixing valve For continuous regulation of the heating coil ready to connect Fresh air silencer For reduction of noise from the weather louvre door Exhaust air silencer For reduct...

Страница 57: ...efficiency DigiNet regulates the energy recovery output in the plate heat exchanger The ready to connect units with integrated control compo nents are easy to plan and install Commissioning of the Di...

Страница 58: ...ialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the units i e a mixing valve is installed in front of each unit The diverting...

Страница 59: ...dicator Fresh air sensor Room air sensor Trouble input heating Trouble input cooling Main pump DigiMaster Zone control panel Selector switch heating cooling Enable heating Enable cooling Heating contr...

Страница 60: ...parately from the mains cables Establish plug connections from the Air Injector to the filter box and from the filter box inside to the roof unit Wire the mixing valves to the connection box There is...

Страница 61: ...function on terminal 24 V 3 x 1 5 mm Per special function Power supply for RoofVent LKW 3 x 400 V LKW 6 5 x 4 mm LKW 9 5 x 6 mm LKW 10 5 x 10 mm Per RoofVent LKW Main pump 3 x 400 V 4 x 2 5 mm Per pum...

Страница 62: ...s frost controller filter monitoring Controls the unit including the air distribution according to the specifications of the control zone Controls the supply air temperature using cascade control High...

Страница 63: ...tive heating cooling coil and the Hoval DigiNet control system Magnetic mixing valve HV Continuous regulating valve with magnetic drive ready for connection to the connection box sized for the respect...

Страница 64: ...des temperature values scheduler calendar alarm handling and forwarding control parameters Trend function data storage and logbook Differentiated password protection DigiEasy DE5 Additional unit for o...

Страница 65: ...2 Construction and operation_____________________ 64 3 Technical data _______________________________ 71 4 Design example______________________________ 78 5 Options __________________________________...

Страница 66: ...f the access panels are not closed correctly 2 Construction and operation The RoofVent twin heat provides fresh air supply and extract air removal as well as heating for large spaces production halls...

Страница 67: ...e supply air and room air The air is therefore blown in verti cally downward conically or horizontally into the room This ensures that each RoofVent twin heat ventilates and heats a large floor area n...

Страница 68: ...66 RoofVent twin heat Use...

Страница 69: ...sh air filter and to the DigiUnit terminal box Fresh air filter Bag filter with differential pressure switch for filter monitoring Plate heat exchanger 1 with bypass for energy recovery control differ...

Страница 70: ...oller Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor ER bypass damper 2 with actuator Filter with differential pressure switch Recirculati...

Страница 71: ...Heating and energy recovery are controlled depending on the heat demand and temperature conditions The room temperature set value day is active during room use Supply air fan On Exhaust air fan On En...

Страница 72: ...t unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air downwards vertically for greatest possible efficienc...

Страница 73: ...max 120 C Operating pressure max 800 kPa Supply air temperature max 60 C Minimum operating time VE2 min 30 min 1 If the ambient humidity increases by more than 2 g kg a drop eliminator for the plate h...

Страница 74: ...hermal relays A 7 5 Speed of rotation nominal min 1 1435 Actuators with spring return in the roof unit Supply voltage V AC 24 Frequency Hz 50 Control voltage VDC 2 10 Torque Nm 15 Run time of actuator...

Страница 75: ...sound power level 63 Hz dB A 52 69 57 52 56 125 Hz dB A 63 78 67 57 63 2 250 Hz dB A 65 81 66 59 66 500 Hz dB A 66 81 64 56 61 1000 Hz dB A 71 81 65 61 60 2000 Hz dB A 66 80 65 56 58 4000 Hz dB A 58 7...

Страница 76: ...9 68 9 6 45 17 3408 60 40 TWH 9 T 46 38 12 6 33 7 1972 48 36 12 8 32 7 2057 Legend Type Type of heating coil Q Heat output QTG Output to cover fabric heat losses Hmax Maximum mounting height tS Supply...

Страница 77: ...tract air grille must be easily accessible The stream of supply air must be able to spread unobstructed note position of beams and lamps Unit clearance X min m 12 0 max m 26 0 Mounting height Y 1 min...

Страница 78: ...t LW T Combi box T Cable feedthroughs for electrical connections Access panel Air Injector D Return Flow Condensate drain connection Fig D4 Dimensional drawing for RoofVent twin heat dimensions in mm...

Страница 79: ...856 Table D9 Weight of the RoofVent twin heat 3 8 Air flow rate with additional pressure drops Pressure increase in Pa Example An additional pressure drop of 84 Pa results in a new air flow rate of 6...

Страница 80: ...ent 10 0 2 K Extract air temperature 20 C Required number of units nreq Based on the air flow rate per unit see Table D4 calculate the required number of units nreq Vreq VU Vreq required fresh air flo...

Страница 81: ...k the resulting distances based on the space requirements and arrangement of the units using the information in Table D7 Actual mounting height 8 5 m Max mounting height Hmax 9 5 m OK Floor area per u...

Страница 82: ...t air grille Supply air silencer For reduction of noise within the room Extract air silencer For reduction of noise within the room Acoustic cowl For reduction of noise within the room in the Air Inje...

Страница 83: ...ulates the energy recovery output in the plate heat exchanger The ready to connect units with integrated control compo nents are easy to design with and to install Commissioning of the DigiNet is quic...

Страница 84: ...ng Hydraulic instal lation must be carried out by trained specialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the units i e a...

Страница 85: ...x Magnetic mixing valve Collective trouble indicator Fresh air sensor Room air sensor Trouble input heating Main pump DigiMaster Zone control panel Enable heating Heating control panel Fig D6 Conceptu...

Страница 86: ...Air Injector to the combi box and from the combi box inside to the roof unit Wire the actuator of the ER bypass damper 2 to the DigiUnit terminal box Wire the mixing valves to the connection box There...

Страница 87: ...24 V 3 x 1 5 mm Per special function Power supply for RoofVent twin heat 3 x 400 V 5 x 6 mm Per RoofVent twin heat Main pump 3 x 400 V 4 x 2 5 mm Per pump Humidity sensor 24 V 4 x 1 5 mm Max 170 m CO2...

Страница 88: ...t including the air distribution according to the specifications of the control zone Controls the supply air temperature using cascade control High voltage section Mains power terminals Isolation swit...

Страница 89: ...ly air silencer ZSD As an inserted component in the below roof unit casing consisting of Aluzinc sheet steel with built in sound attenu ation splitters for reducing the noise in the room insertion att...

Страница 90: ...it for operating a control zone for installation at any location in a triple flush socket box or in the door of the zone control panel Display the current room temperature set value Increase or decrea...

Страница 91: ...ruction and operation_____________________ 90 3 Technical data _______________________________ 97 4 Design example_____________________________ 106 5 Options ___________________________________ 108 6...

Страница 92: ...ed correctly 2 Construction and operation The RoofVent twin cool provides fresh air supply and extract air removal as well as heating and cooling for large spaces production halls shopping centres spo...

Страница 93: ...oom air The air is therefore blown in verti cally downward conically or horizontally into the room This ensures that each RoofVent twin cool ventilates heats and cools a large floor area no draughts o...

Страница 94: ...92 RoofVent twin cool Use...

Страница 95: ...er and to the DigiUnit terminal box Fresh air filter Bag filter with differential pressure switch for filter monitoring Plate heat exchanger 1 with bypass for energy recovery control differential pres...

Страница 96: ...r Condensate separator Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor ER bypass damper 2 with actuator Filter with differential pressure s...

Страница 97: ...y recovery are controlled depending on the heat demand and temperature conditions The room temperature set value day is active during room use Supply air fan On Exhaust air fan On Energy recovery 0 10...

Страница 98: ...oofVent unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air downwards vertically for greatest possible eff...

Страница 99: ...kg Fresh air temperature 2 min 30 C Heating medium temperature max 120 C Operating pressure max 800 kPa Supply air temperature max 60 C Minimum operating time VE2 min 30 min Amount of condensate max 1...

Страница 100: ...ermal relays A 7 5 Speed of rotation nominal min 1 1435 Actuators with spring return in the roof unit Supply voltage VAC 24 Frequency Hz 50 Control voltage VDC 2 10 Torque Nm 15 Run time of actuator s...

Страница 101: ...ound power level 63 Hz dB A 52 69 57 52 56 125 Hz dB A 63 78 67 57 63 2 250 Hz dB A 65 81 66 59 66 500 Hz dB A 66 81 64 56 61 1000 Hz dB A 71 81 65 61 60 2000 Hz dB A 66 80 65 56 58 4000 Hz dB A 58 76...

Страница 102: ...71 63 9 8 43 3 3038 74 62 9 8 43 4 3162 Legend Type Type of heating coil Q Heat output QTG Output to cover fabric heat losses Hmax Maximum mounting height tS Supply air temperature pW Water pressure...

Страница 103: ...75 76 35 83 29 14 46 11812 67 Legend tF Temperature of the fresh air rhF Relative humidity of the fresh air Type Type of cooling coil Qsen Sensible cooling capacity Qtot Total cooling capacity QTG Out...

Страница 104: ...rille must be easily accessible The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X min m 12 0 max m 26 0 Mounting height Y 1 min 1 m 5 0 ma...

Страница 105: ...of unit LW T Combi box T Cable feedthroughs Access panel Heating cooling section K Air Injector D Return Flow Condensate drain connection Fig E4 Dimensional drawing for RoofVent twin cool dimensions i...

Страница 106: ...thr 2 female Table E9 Heating cooling coil data TWC 9 with coil type C D Roof unit kg 560 560 Below roof unit kg 358 377 Combi box kg 200 200 Heating cooling section kg 102 121 Air Injector kg 56 56...

Страница 107: ...mple An additional pressure drop of 48 Pa results in a new air flow rate of 6620 m h TWC 9 240 5500 6000 6500 7000 7500 220 200 180 160 140 120 100 80 60 40 20 0 Air flow rate in m h Diagram E1 Air fl...

Страница 108: ...sired room temperature 26 C Extract air conditions 28 C 50 Cooling load 200 kW Cooling medium LPCW 8 14 C Room temperature 26 C Temperature gradient 10 0 2 K Extract air temperature 28 C Required numb...

Страница 109: ...rrangement of the units using the information in Table E8 Floor area per unit 72 50 10 360 m Max floor area reached 661 m OK Minimum and maximum distances can be complied with when units are arranged...

Страница 110: ...cer For reduction of noise within the room Acoustic cowl For reduction of noise within the room in the Air Injector Air outlet box When using the RoofVent unit in low roofed halls instead of the Air I...

Страница 111: ...the energy recovery output in the plate heat exchanger The ready to connect units with integrated control compo nents are easy to design with and to install Commissioning of the DigiNet is quick and e...

Страница 112: ...out by trained specialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the units i e a mixing valve is installed in front of each...

Страница 113: ...or Fresh air sensor Room air sensor Trouble input heating Trouble input cooling Main pump DigiMaster Zone control panel Option switch heating cooling Enable heating Enable cooling Heating control pane...

Страница 114: ...Air Injector to the combi box and from the combi box inside to the roof unit Wire the actuator of the ER bypass damper 2 to the DigiUnit terminal box Wire the mixing valves to the connection box Ther...

Страница 115: ...erminal 24 V 3 x 1 5 mm Per special function Power supply for the RoofVent twin cool 3 x 400 V 5 x 6 mm Per RoofVent twin cool Main pump 3 x 400 V 4 x 2 5 mm Per pump Humidity sensor 24 V 4 x 1 5 mm M...

Страница 116: ...filter monitoring Controls the unit including the air distribution according to the specifications of the control zone Controls the supply air temperature using cascade control High voltage section Ma...

Страница 117: ...tenuation splitters for reducing the noise from the exhaust air grille insertion attenuation _____ dB Supply air silencer ZSD As an inserted component in the below roof unit casing consisting of Aluzi...

Страница 118: ...e for installation at any location in a triple flush socket box or in the door of the zone control panel Display of the current room temperature set value Increase or decrease the set value by up to 5...

Страница 119: ...ion and operation____________________ 118 3 Technical data ______________________________ 125 4 Design example_____________________________ 136 5 Options ___________________________________ 138 6 Cont...

Страница 120: ...vides fresh air supply and extract air removal as well as heating and cooling for large spaces production halls shopping centres sports halls exhibition halls etc It fulfils the following functions He...

Страница 121: ...therefore blown into the room vertically downward conically or horizontally This ensures that each RoofVent twin pump ventilates heats and cools a large floor area no draughts occur in the occupied ar...

Страница 122: ...120 RoofVent twin pump Use...

Страница 123: ...re switch for filter monitoring Plate heat exchanger 1 with bypass for energy recovery control differential pressure switch and condensate drain Fresh air damper and recirculation damper opposed dampe...

Страница 124: ...ating cooling Condensate separator Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor ER bypass damper 2 with actuator Filter with differentia...

Страница 125: ...m and draws off spent room air Heating cooling and energy recovery are controlled on the basis of heating demand and temperature conditions The room temperature set value day is active During room use...

Страница 126: ...s or another system provides extraction The room temperature set value day is active For special cases Supply air fan On Exhaust air fan Off Energy recovery 0 Fresh air damper Open Recirculation dampe...

Страница 127: ...t Roof unit with energy recovery and control attachment for RoofVent twin pump Combi box T P with energy recovery extract air filter and pipework without coil Heating cooling section K W Heating cooli...

Страница 128: ...ambient humidity increases by more than 2 g kg a drop eliminator for the plate heat exchanger and an extract air filter in front of the extract air grille must be installed Table F3 Application limits...

Страница 129: ...Set point of thermal relays A 7 5 Speed of rotation nominal rpm 1435 Actuators with spring return in the roof unit Supply voltage VAC 24 Frequency Hz 50 Control voltage VDC 2 10 Torque Nm 15 Run time...

Страница 130: ...upply voltage VAC 3 x 400 Frequency Hz 50 Power consumption max kW 7 70 Current consumption max A 11 3 COP value 4 09 EER 3 77 Starting current A 74 1 at fresh air temperature 7 C extract air temperat...

Страница 131: ...ve sound power level 63 Hz dB A 52 69 57 52 56 125 Hz dB A 63 78 67 57 63 2 250 Hz dB A 65 81 66 59 66 500 Hz dB A 66 81 64 56 61 1000 Hz dB A 71 81 65 61 60 2000 Hz dB A 66 80 65 56 58 4000 Hz dB A 5...

Страница 132: ...28 20 16 3 26 15 22 11 21 7 23 Legend Q Heat output QTG Output to cover fabric heat losses Hmax Maximum mounting height tS Supply air temperature Room air 18 C extract air 20 C 40 rel humidity Table...

Страница 133: ...ses sensible cooling load tS Supply air temperature mC Amount of condensate Refers to At fresh air temperature 28 C room air 22 C extract air 24 C 50 rel humidity At fresh air temperature 32 C room ai...

Страница 134: ...d main tenance The extract air grille must be easily accessible The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 12 0 Max m 26 0 Mo...

Страница 135: ...ipe 22 2 mm Combi box T P Cable feedthroughs Access panel Heating cooling section K W Air Injector D Pipe entry Condensate connection Gas line connection 28 mm Liquid line connection 22 mm Cable feedt...

Страница 136: ...111 Air Injector kg 56 Total kg 932 Table F10 Weights RoofVent twin pump Heat pump Daikin ERQ250 765 930 67 67 1570 1680 Weight 240 kg Terminal box Connection for working medium circuit front or botto...

Страница 137: ...a Example An additional pressure drop of 48 Pa results in a new air flow rate of 6620 m h TWP 9 240 5500 6000 6500 7000 7500 220 200 180 160 140 120 100 80 60 40 20 0 Air flow rate in m h Diagram F1 A...

Страница 138: ...perature in the occupied area This is the result of unavoidable temperature stratifica tion in high spaces but is reduced to a minimum with the Air Injector A temperature gradient of only 0 2 K per me...

Страница 139: ...and arrangement of the units using the information in Table F9 Floor area per unit 50 18 3 300 m Max floor area reached 661 m OK Minimum and maximum distances can be complied with when units are arra...

Страница 140: ...encer For reduction of noise within the room Extract air silencer For reduction of noise within the room Acoustic cowl For reduction of noise within the room in the Air Injector Air outlet box When us...

Страница 141: ...tions operating modes and operating times DigiNet regulates the air distribution and thus ensures maximum ventilation efficiency DigiNet regulates the energy recovery output in the plate heat exchange...

Страница 142: ...orientation of the units The units are held in the roof frame by means of their own weight Silicone PU foam or similar is required for sealing For units with exhaust air silencers additional attachme...

Страница 143: ...he pipework from the heating cooling unit to the combi box and from the RoofVent roof unit to the expan sion valve and to the heat pump installed by a refrigera tion specialist Use refrigerant proof c...

Страница 144: ...Communication line heat pump Power supply heat pump Power supply RoofVent Temperature sensor suction line Temperature sensor injection line novaNet system bus Power supply zone control panel Collectiv...

Страница 145: ...t Wire the actuator of the ER bypass damper 2 to the DigiUnit terminal box Establish plug connections of suction line and injection line temperature sensors Make sure there is onsite overload protecti...

Страница 146: ...ollective trouble indicator Volt free Max 230 V 3 x 1 5 mm Max 6 A Special function on terminal 24 V 3 x 1 5 mm Per special function Power supply for the RoofVent twin pump 3 x 400 V 5 x 6 mm Per Roof...

Страница 147: ...ation unit fans actuators temperature sensors frost controller filter monitoring control attachment Controls the unit including the air distribution according to the specifications of the control zone...

Страница 148: ...component in the below roof unit casing consisting of Aluzinc sheet steel with built in sound attenu ation splitters for reducing the noise in the room insertion attenuation _____ dB Extract air sile...

Страница 149: ...DigiMaster IP65 framework novaNet socket novaNet router 4 special functions with switch 8 special functions with 2 switches Special function on terminal DigiEasy installation DigiNet zone control pan...

Страница 150: ...148...

Страница 151: ...nd operation____________________ 150 3 Technical data ______________________________ 157 4 Design example_____________________________ 164 5 Options ___________________________________ 166 6 Control s...

Страница 152: ...nd doors Switch off the unit Close gas shut off cock 2 Construction and operation The RoofVent condens provides fresh air supply and extract air removal as well as heating for large spaces production...

Страница 153: ...air The air is therefore blown into the room vertically downward conically or horizontally This ensures that a large floor area is ventilated and heated by each RoofVent condens no draughts occur in t...

Страница 154: ...152 RoofVent condens Use...

Страница 155: ...s for switching between fresh air mixed air and recircula tion operation with actuator Heat generation assembly consisting of gas condensing boiler conduit circulating pump expansion vessel and conden...

Страница 156: ...ly air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor Filter with differential pressure switch Recirculation damper opposed to the fresh air damper E...

Страница 157: ...n OFF Off The fans are turned off Frost protec tion remains active There is no room temperature control If the unit is not needed Supply air fan Off Exhaust air fan Off Energy recovery 0 Fresh air dam...

Страница 158: ...nding on the heat demand and temperature conditions Spent room air passes through open windows and doors or another system provides extraction The room temperature set value day is active For special...

Страница 159: ...th coil type Z Air Injector Options Table G2 Unit type reference 3 2 Application limits Extract air temperature max 50 C Extract air relative humidity max 60 Moisture content of extract air max 12 5 g...

Страница 160: ...Nm 10 Run time for 90 rotation s 150 Filter monitoring Factory setting of differential pressure switch Pa 300 Gas condensing boiler Nominal heat output at 40 30 C kW 12 8 60 7 Nominal heat load kW 12...

Страница 161: ...Octave sound power level 63 Hz dB A 52 69 59 54 56 125 Hz dB A 63 78 70 60 63 2 250 Hz dB A 65 81 71 63 66 500 Hz dB A 66 81 70 62 61 1000 Hz dB A 71 81 72 67 60 2000 Hz dB A 66 80 73 64 58 4000 Hz dB...

Страница 162: ...kW kW m C kW kW m C CON 9 60 40 14 1 33 60 32 15 7 30 Q Heat output QTG Output to cover fabric heat losses Hmax Maximum mounting height tS Supply air temperature Room air 18 C extract air 20 C 40 rel...

Страница 163: ...oil connections for service and main tenance The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 13 0 Max m 28 0 Mounting height Y 1 M...

Страница 164: ...LW C Filter box short F C00 medium F C25 long F C50 Heating section H Air Injector D Cable feedthroughs for electrical connections Access panel Fig G4 Dimensional drawing for RoofVent condens dimensio...

Страница 165: ...0 1 kg 32 1 Additional weight compared with design with filter box F C00 Table G8 Dimensions and weights RoofVent condens 3 8 Air flow rate with additional pressure drops Pressure increase in Pa Exhau...

Страница 166: ...Hall geometry L x W x H 72 x 50 x 9 m Design fresh air temp 5 C Desired room temperature 18 C Extract air conditions 20 C 40 Fabric heat losses 250 kW Internal heat gains 28 kW Room temperature 18 C...

Страница 167: ...cted number of units If it exceeds the maximum value listed in Table G4 increase the number of units Compliance with minimum and maximum distances Check the resulting distances based on the hall geome...

Страница 168: ...on of noise from the weather louvre door Exhaust air silencer For reduction of noise from the exhaust air grille Supply air silencer For reduction of noise within the room Extract air silencer For red...

Страница 169: ...nes unit combinations operating modes and operating times DigiNet regulates the air distribution and thus ensures maximum ventilation efficiency DigiNet regulates the energy recovery output in the pla...

Страница 170: ...e assembly instructions included Fig G5 RoofVent roof units are installed from roof level 7 2 Hydraulic installation Caution Risk of injury as a result of incorrect handling Hydraulic installation mus...

Страница 171: ...L M N DigiUnit terminal box novaNet system bus Power supply Collective trouble indicator Fresh air sensor Room air sensor DigiMaster Zone control panel Fig G7 Conceptual drawing RoofVent condens Trans...

Страница 172: ...wiring within the unit see Fig G8 Install the system bus for the control systems separately from the mains cables Establish plug connections from the Air Injector to the filter box and from the filter...

Страница 173: ...tion on terminal 24 V 3 x 1 5 mm Per special function Power supply for the RoofVent condens 3 x 400 V 5 x 6 mm Per RoofVent condens Humidity sensor 24 V 4 x 1 5 mm Max 170 m CO2 sensor 24 V 4 x 1 5 mm...

Страница 174: ...ost controller filter monitoring heat generation assembly controls the integrated gas condensing boiler with modu lating burner controls the unit including the air distribution according to the specif...

Страница 175: ...the air inlet side of the plate heat exchanger to drain condensate onto the roof 8 6 Control systems Digital control system for the energy optimised operation of decentralised indoor climate systems...

Страница 176: ...rated in the zone control panel Processes the inputs room and fresh air temperature and special functions optional Controls the operating modes according to the scheduler Sets the collective trouble i...

Страница 177: ...nd operation____________________ 208 3 Technical data ______________________________ 215 4 Design example_____________________________ 224 5 Options ___________________________________ 226 6 Control s...

Страница 178: ...ing and heating large areas production halls shopping centres sports halls exhi bition halls etc It fulfils the following functions Heating with connection to the central boiler system Fresh air suppl...

Страница 179: ...nce between the supply air and room air The air is therefore blown into the room vertically downward conically or horizontally This ensures that a large floor area is ventilated and heated by each Roo...

Страница 180: ...210 RoofVent LH Construction and operation...

Страница 181: ...r filter and to the DigiUnit terminal box Fresh air filter bag filter with differential pressure switch for filter monitoring Fresh air damper with actuator Recirculation damper opposed to the fresh a...

Страница 182: ...r sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor Filter with differential pressure switch Gravity damper Exhaust air fan Recirculation damper opposed...

Страница 183: ...Off VE2 Ventilation The RoofVent unit blows fresh air into the room and draws off spent room air The heating and the fresh air rate are controlled depending on the heat demand and the temperature con...

Страница 184: ...ent unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air vertically downwards to achieve the greatest possi...

Страница 185: ...Heating section with coil type A H B Heating section with coil type B H C Heating section with coil type C Air Injector Options Table I2 Unit type reference 3 2 Application limits Extract air temperat...

Страница 186: ...monitoring Factory setting of differential pressure switches Pa 300 300 1 Refers to RoofVent LH with heating coil type B and vertical supply air discharge direction Table I4 Technical data RoofVent LH...

Страница 187: ...35 11 2100 44 12 4 38 10 1900 39 11 7 41 8 1700 LH 6 C 78 10 0 51 8 3400 71 9 9 52 7 3100 63 9 6 54 5 2800 70 50 LH 6 A 30 18 8 26 5 1300 27 16 2 29 4 1200 23 14 1 33 3 1000 LH 6 B 39 15 0 31 8 1700 3...

Страница 188: ...500 LH 9 B 63 14 5 33 3 2700 56 13 7 35 2 2400 48 12 7 38 2 2100 LH 9 C 94 11 3 44 5 4100 83 11 0 46 4 3600 73 10 8 47 3 3200 60 40 LH 9 A 30 25 0 21 1 1300 24 22 0 24 1 1000 18 18 2 27 1 800 LH 9 B 4...

Страница 189: ...connections for service and maintenance The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 11 0 13 0 Max m 22 0 28 0 Mounting height...

Страница 190: ...it L Filter box short F00 medium F25 long F50 Heating section H Air Injector D Access panel Cable feedthroughs for electrical connections Flow Return Fig I4 Dimensional drawing for RoofVent LH dimensi...

Страница 191: ...1 O mm 767 937 P mm 758 882 Q mm 490 570 R mm 900 1100 V mm 500 630 Heating coil data Coil type A B C A B C Water content l 3 1 3 1 6 2 4 7 4 7 9 4 L Pipe thr 1 female Pipe thr 1 female Weights Roof u...

Страница 192: ...8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 0 6 0 0 5 5 0 0 0 5 0 0 5 4 0 0 0 4 Supply air Example An additional pressure drop of 84 Pa results in a new air flow rate of 5100 m h Air flow ra...

Страница 193: ...aust air LH 9 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 5 8 0 0 0 8 0 0 5 7 0 0 0 7 0 0 5 6 Supply air Air flow rate in m h Diagram I2 Air flow rate for RoofVent LH 9 with...

Страница 194: ...ired room temperature 20 C Extract air temperature 22 C Fabric heat losses 78 kW Internal heat gains 12 kW Heating medium LPHW 60 40 C Room temperature 20 C Temperature gradient 9 0 2 K Extract air te...

Страница 195: ...ing the ancillary conditions Maximum mounting height Select a different coil type or unit size if the actual mounting height distance between the floor and the bottom edge of the unit is greater than...

Страница 196: ...c assembly diverting system To facilitate hydraulic installation Magnetic mixing valve For continuous regulation of the heating coil ready to connect Fresh air silencer For reduction of noise from the...

Страница 197: ...mum ventilation efficiency DigiNet constantly optimises the fresh air rate The ready to connect units with integrated control compo nents are easy to plan and install Commissioning of the DigiNet is q...

Страница 198: ...ect handling Hydraulic installation must be carried out by trained specialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the uni...

Страница 199: ...n box Magnetic mixing valve Collective trouble indicator Fresh air sensor Room air sensor Trouble input heating Main pump DigiMaster Zone control panel Enable heating Heating control panel Fig I6 Conc...

Страница 200: ...eparately from the mains cables Establish plug connections from the Air Injector to the filter box and from the filter box inside to the roof unit Wire the mixing valves to the connection box There is...

Страница 201: ...on terminal 24 V 3 x 1 5 mm Per special function Power supply for RoofVent LH 3 x 400 V LH 6 5 x 4 mm LH 9 5 x 6 mm Per RoofVent LH Main pump 3 x 400 V 4 x 2 5 mm Per pump Humidity sensor 24 V 4 x 1...

Страница 202: ...emperature using cascade control High voltage section Mains power terminals Isolation switch can be operated from the outside Motor contactor for each fan Fuse for the electronics Transformer for the...

Страница 203: ...d attenu ation material for reducing noise from the weather louvre door insertion attenuation _____ dB Exhaust air silencer FSD As an attachment to the exhaust air grille casing consisting of Aluzinc...

Страница 204: ...g a control zone for installation at any location in a triple flush socket box or in the door of the zone control panel Display of the current room temperature set value Increase or decrease the set v...

Страница 205: ...tion and operation____________________ 236 3 Technical data ______________________________ 243 4 Design example_____________________________ 254 5 Options ___________________________________ 256 6 Con...

Страница 206: ...heating and cooling for large spaces production halls shopping centres sports halls exhibition halls etc It fulfils the following functions Heating with connection to the central boiler system Cooling...

Страница 207: ...tween the supply air and room air The air is therefore blown into the room vertically downward conically or horizontally This ensures that each RoofVent LK ventilates heats and cools a large floor are...

Страница 208: ...238 RoofVent LK Use...

Страница 209: ...air filter and to the DigiUnit terminal box Fresh air filter bag filter with differential pressure switch for filter monitoring Fresh air damper with actuator Recirculation damper opposed to the fresh...

Страница 210: ...parator Supply air sensor Air Injector with actuator Extract air inlet through extract air grille Extract air sensor Filter with differential pressure switch Gravity damper Exhaust air fan Recirculati...

Страница 211: ...fVent unit blows fresh air into the room and draws off spent room air Heating cooling and energy recovery are controlled on the basis of heating demand and temperature conditions The room temperature...

Страница 212: ...llow the RoofVent unit blows cool fresh air into the room and extracts warmer room air The room temperature set value night is active The unit blows the supply air vertically downwards to achieve the...

Страница 213: ...ng cooling section with coil type D Air Injector Options Table J2 Unit type reference 3 2 Application limits Unit type LK 6 LK 9 Extract air temperature max C 50 50 Extract air relative humidity max 6...

Страница 214: ...er per motor kW 1 8 3 0 Current consumption A 4 0 6 5 Set point of thermal relays A 4 6 7 5 Speed of rotation nominal rpm 1440 1435 Actuators Supply voltage VAC 24 24 Frequency Hz 50 50 Control voltag...

Страница 215: ...76 70 86 79 71 Octave sound power level 63 Hz dB A 56 45 53 57 48 54 125 Hz dB A 64 53 60 65 56 61 250 Hz dB A 74 67 64 75 70 65 500 Hz dB A 79 72 62 80 75 63 1000 Hz dB A 79 71 65 80 74 66 2000 Hz dB...

Страница 216: ...8 6 57 24 6600 75 8 4 59 20 6000 68 8 3 60 17 5500 90 70 LK 9 C 131 9 0 59 8 5800 121 8 9 60 7 5300 110 8 9 60 6 4900 LK 9 D 80 60 LK 9 C 111 9 7 52 6 4900 101 9 5 54 5 4400 91 9 4 55 4 4000 LK 9 D 70...

Страница 217: ...C 17 23 17 10 3300 9 14 15 19 5 2200 1 12 12 20 3 1700 1 60 C 18 33 16 19 4700 22 15 25 18 12 3600 15 12 16 20 5 2300 5 29 20 C 20 20 17 8 2800 1 17 17 19 6 2500 1 15 15 20 5 2100 1 40 C 19 22 17 9 31...

Страница 218: ...7100 27 26 37 19 10 5300 15 21 22 21 4 3100 1 D 44 74 12 36 10600 44 39 62 14 26 8800 34 33 45 16 15 6500 18 60 C 31 64 17 26 9200 48 28 54 18 19 7800 38 23 41 20 12 5900 25 D 43 89 12 50 12800 67 39...

Страница 219: ...g cooling coil connections for service and maintenance The stream of supply air must be able to spread unob structed note position of beams and lamps Unit clearance X Min m 11 13 Max m 21 27 Mounting...

Страница 220: ...Filter box short F00 medium F25 long F50 Heating cooling section K Air Injector D Access panel Cable feedthroughs Return Flow Condensate connection Fig J4 Dimensional drawing for the RoofVent LK dimen...

Страница 221: ...58 882 Q mm 490 570 R mm 900 1100 V mm 500 630 W mm 54 53 Coil type C C D N mm 123 92 83 Y mm 78 78 95 Heating coil data Water content l 6 2 9 4 14 2 L Pipe thr 1 female Pipe thr 1 female Pipe thr 2 f...

Страница 222: ...0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 0 6 0 0 5 5 0 0 0 5 0 0 5 4 0 0 0 4 Supply air Example An additional pressure drop of 42 Pa results in a new air flow rate of 4800 m h Air flow...

Страница 223: ...aust air LK 9 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2 0 0 5 8 0 0 0 8 0 0 5 7 0 5 6 7 0 0 0 7 0 0 5 6 Supply air Air flow rate in m h Diagram J2 Air flow rate RoofVent LK 9 w...

Страница 224: ...can therefore be assumed Example Minimum fresh air flow rate 17 500 m h Minimum fresh air rate 20 Hall geometry Space L x W x H 108 x 40 x 9 m Design conditions 30 C 40 Desired room temperature 24 C E...

Страница 225: ...temperature 26 C the air inlet conditions at the cooling coil are 28 C 40 Select coil type C with 25 kW sensible cooling capacity at LPCW 6 12 C and air inlet conditions 28 C 40 Checking the ancillary...

Страница 226: ...ating coil ready to connect Fresh air silencer For reduction of noise from the weather louvre door Exhaust air silencer For reduction of noise from the exhaust air grille Supply air silencer For reduc...

Страница 227: ...ventilation efficiency DigiNet constantly optimises the fresh air rate The ready to connect units with integrated control compo nents are easy to plan and install Commissioning of the DigiNet is quick...

Страница 228: ...pecialists only The Hoval DigiNet control system is designed for a distributor circuit with separate hydraulic connection of the units i e a mixing valve is installed in front of each unit The diverti...

Страница 229: ...ndicator Fresh air sensor Room air sensor Trouble input heating Trouble input cooling Main pump DigiMaster Zone control panel Selector switch heating cooling Enable heating Enable cooling Heating cont...

Страница 230: ...eparately from the mains cables Establish plug connections from the Air Injector to the filter box and from the filter box inside to the roof unit Wire the mixing valves to the connection box There is...

Страница 231: ...l function on terminal 24 V 3 x 1 5 mm Per special function Power supply for RoofVent LK 3 x 400 V LK 6 5 x 4 mm LK 9 5 x 6 mm Per RoofVent LK Main pump 3 x 400 V 4 x 2 5 mm Per pump Humidity sensor 2...

Страница 232: ...ing to the specifications of the control zone Controls the supply air temperature using cascade control High voltage section Mains power terminals Isolation switch can be operated from the outside Mot...

Страница 233: ...om the weather louvre door insertion attenuation _____ dB Exhaust air silencer FSD As an attachment to the exhaust air grille casing consisting of Aluzinc sheet steel with built in sound attenuation s...

Страница 234: ...lation at any location in a triple flush socket box or in the door of the zone control panel Display of the current room temperature set value Increase or decrease the set value by up to 5 C Display a...

Страница 235: ...ixing valve_______________________ 277 11 Fresh air silencer___________________________ 278 12 Exhaust air silencer_________________________ 278 13 Supply air silencer__________________________ 279 14...

Страница 236: ...ilencer Supply air silencer Extract air silencer Acoustic cowl Actuators with spring return Air outlet box Extract air filter in front of the extract air grille Drop eliminator Condensate pump Heating...

Страница 237: ...m Explosion proof design Oil proof design Hygiene design Fans with variable air flow rate High pressure fan supply air High pressure fan exhaust air Hydraulic assembly diverting system Magnetic mixing...

Страница 238: ...herefore always be installed If control of the return temperature return flow increase is provided for the heat generator this must not have a negative impact on the heating of the RoofVent units 3 Ex...

Страница 239: ...he event of flying sparks fire hazard Environmental pollution from the residual oil escaping from the exhaust air With higher concentrations of oil aerosols droplets can form on the outside of the bel...

Страница 240: ...or the respective operating point are available upon request Type HZ 6 HZ 9 Supply voltage V AC 3 x 400 3 x 400 Permitted voltage tolerance 10 10 Frequency Hz 50 50 Active power per motor kW 2 2 3 5 C...

Страница 241: ...K1 Air flow rate for RoofVent units with high pressure fan supply air HZ 6 Pressure increase in Pa Standard LKW LK HZ 9 0 0 4 0 8 0 2 1 0 6 1 0 0 2 0 4 2 0 8 2 0 2 3 0 6 3 0 0 4 0 0 5 8 0 0 0 8 0 0 5...

Страница 242: ...values applicable for the respective operating point are available upon request Type HF 6 HF 9 Supply voltage V AC 3 x 400 3 x 400 Permitted voltage tolerance 10 10 Frequency Hz 50 50 Active power pe...

Страница 243: ...3 Air flow rate for RoofVent units with high pressure fan exhaust air HF 6 Pressure increase in Pa Standard LKW LK HF 9 0 0 4 0 8 0 2 1 0 6 1 0 0 2 0 4 2 0 8 2 0 2 3 0 6 3 0 0 4 0 0 5 8 0 0 0 8 0 0 5...

Страница 244: ...imally matched to the units are available for easy installation of RoofVent units Please note the following Thermally insulate the hydraulic assembly on site To ensure correct operation install the hy...

Страница 245: ...2 0 4 2 0 0 0 9 0 0 0 8 0 0 0 7 0 0 0 6 0 0 0 5 0 0 0 4 0 0 0 3 0 0 0 2 0 0 0 1 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 3 0 4 0 HG 9 10 C 0 0 2 0 4 0 6 0 8 0 0 1 0 2 1 0 4 1 0 6 1 0 8 1 0 0 2 0 2 2 0 4 2...

Страница 246: ...type HG 6 AB 758 78 726 1060 300 20 5HV STAD DN32 1 6 A 6 B HG 6 C 758 78 745 1070 300 25 8HV STAD DN32 1 6 C HG 9 10 AB 882 78 770 1195 320 25 8HV STAD DN40 1 9 10 A 9 10 B 9 T HG 9 10 C 882 78 791...

Страница 247: ...m h Pipe thr G 1 95 52 5 260 80 100 4 2 kg 6 A 6 B 25 8HV 25 8 m h Pipe thr 1 G 1 110 56 5 270 80 100 4 7 kg 6 C 9 10 A 9 10 B 9 T 32 12HV 32 12 m h Pipe thr 1 G 2 125 67 5 285 80 100 5 6 kg 9 10 C 4...

Страница 248: ...he fresh air silencer values in dB at standard fan speed 12 Exhaust air silencer The exhaust air silencer reduces the noise from RoofVent units through the exhaust air grille It consists of an Aluzinc...

Страница 249: ...upply air silencer values in dB at standard fan speed 14 Extract air silencer The extract air silencer reduces the noise from RoofVent units within the room It consists of an Aluzinc casing with sound...

Страница 250: ...un time of actuator 150 s Run time of spring return 20 s Table K25 Technical data for the actuators with spring return Fig K4 Actuator with spring return 17 Air outlet box When using the RoofVent unit...

Страница 251: ...dismantled Fig K5 Dimensions of the extract air filter in front of the extract air grille in mm 19 Drop eliminator Moisture in the extract air can condense in the plate heat exchanger In order to ensu...

Страница 252: ...Technical data of the condensate pump Fig K7 Condensate pump 21 Heating and cooling in the 4 pipe system In a 4 pipe system there are two completely separate hydraulic circuits for heating and coolin...

Страница 253: ...e indicator Fresh air sensor Room air sensor Trouble input heating Trouble input cooling Main pump heating Main pump cooling DigiMaster Zone control panel Enable heating Enable cooling Heating control...

Страница 254: ...cuit are located in the DigiUnit terminal box Make sure that valves and pumps which meet the following requirements are provided on site Requirements for mixing valves Use three way mixing valves with...

Страница 255: ...onnection box Heating pump Mixing valve Collective trouble indicator Fresh air sensor Room air sensor Trouble input heating Main pump DigiMaster Zone control panel Enable heating Heating control panel...

Страница 256: ...286...

Страница 257: ..._____________ 288 3 Operating options ___________________________ 289 4 Zone control panel __________________________ 291 5 Control components in the units ________________ 293 6 Options _____________...

Страница 258: ...ne control panel for additional units Control zones max 10 Main units in each control zone max 9 Additional units in each control zone max 9 Table L1 Application limits of the Hoval DigiNet Note Speci...

Страница 259: ...nel Power supply Supply voltage AC 230 V 50 Hz Permitted voltage tolerance 10 15 Rated power consumption max 7 W Communication 1x RJ 11 jack novaNet 1x RJ 45 jack Ethernet 10 Base T application downlo...

Страница 260: ...or decrease the set value by up to 5 C Display and acknowledge alarms Switch the operating mode The buttons usually have the operating modes Auto Exhaust air Recirculation night and Off this is freel...

Страница 261: ...e indi vidual units sets the output for enable heating or enable cooling and the collective trouble indicator For each panel 1 fresh air sensor cable length max 170 m 1 transformer 230 24 V 2 circuit...

Страница 262: ...units on site 3 x 1 5 mm max AC 230 V 2 A Trouble input heating cooling Alarm input signal that informs the DigiNet that the heat cold supply is not working 3 x 1 5 mm AC 24 V Collective trouble indic...

Страница 263: ...y operation Connecting terminals for actuators and temperature sensors Control box heating Caution If the power supply for the DigiUnit terminal box is interrupted frost protection and monitoring are...

Страница 264: ...request Type SF4 Position Operating mode AUTO By automated program OFF Off EA Exhaust air RECN Recirculation night NCS Night cooling summer Table L12 Switch assignment for 4 special functions 8 specia...

Страница 265: ...all indoor climate units in the system Table L17 Size of the safety relay without switch off of the neutral wire 3 pin and with switch off of the neutral wire 4 pin Integration of indoor climate units...

Страница 266: ...speed is varied according to the CO2 concentration in the room Required Fans with variable volume flow CO2 sensor External control of volume flow Fans with a variable volume flow option can be control...

Страница 267: ...s to operating mode Off Prevents loss of energy undefined operating states ER damper A The ER damper is jammed or the ER bypass damper actuator is defective If the fresh air temperature is less than 1...

Страница 268: ...298...

Страница 269: ...ndensation lilmit __________________________ 302 5 Duct connection ____________________________ 303 6 Paint finish_________________________________ 303 7 Socket ____________________________________ 30...

Страница 270: ...0 F25 F50 meets these requirements the filter box is also available in special lengths The opening dimension U must be large enough to accommodate the below roof unit The outside dimension dimension T...

Страница 271: ...he sensor and thermally insulate it from the building Only one fresh air sensor is needed per system Extract air and supply air sensors are installed in the RoofVent units 3 Orientation of the coil co...

Страница 272: ...ion in the combi box to a condensate drainage system Where required use a condensate pump to discharge condensate through waste water pipes directly below the ceiling or onto the roof Use the option d...

Страница 273: ...terminal box 8 Corrosion protected design RoofVent units in corrosion protected design are available for applications in which the air flows contain aggressive elements Please contact Hoval customer s...

Страница 274: ...304...

Страница 275: ...ration__________________________________ 306 2 Maintenance and repair ______________________ 306 3 Dismantling ________________________________ 308 4 Waste disposal _____________________________ 308 O...

Страница 276: ...condenser operation of the oil sump heating 2 Maintenance and repair 2 1 Safety during maintenance Before undertaking any work on the unit turn the isolation switch to the Off position Wait for the fa...

Страница 277: ...Fan and actuator function tests Function testing of the control systems Where siphons are fitted testing of the odour seal On the RoofVent condens Check system pressure frost protection pH value burne...

Страница 278: ...otection systems and frame attachments Remove the access panels on both sides of the roof unit Pos Release the screw connection between roof unit and below roof unit 4 screws Pos Attach the slings to...

Страница 279: ......

Страница 280: ...products pro vide fresh clean air for living and working space Our innovative system for a healthy room climate uses heat and moisture recovery while at the same time protecting energy resources and p...

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