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Translation of Original Installation/Use/Maintenance Instructions

LTG Air-Water Systems

AIR TECH

SYSTEMS

Decentralized Ventilation Units
FVS Eco

School

Installation below/in the ceiling

Содержание FVS Eco2School

Страница 1: ...Translation of Original Installation Use Maintenance Instructions LTG Air Water Systems AIR TECH SYSTEMS Decentralized Ventilation Units FVS Eco2School Installation below in the ceiling ...

Страница 2: ...er 11 4 3 Re cooler 13 5 Installation 14 5 1 Installation notes 14 5 2 Suspension of the unit 15 5 3 Connection to the facade 28 5 4 Electrical connections 32 5 5 Inspection after installation 37 6 First use 38 6 1 Function test 38 6 2 Alarm malfunctions 38 7 Operation maintenance repair 40 7 1 Opening the unit 40 7 2 Filter change 41 7 3 Cleaning and removal of the heat recuperator 41 7 4 Cleanin...

Страница 3: ...Tel 49 711 8201 0 Fax 49 711 8201 720 info LTG de www LTG net Former editions are invalid Subject to technical modifications page 3 of 45 Translation of Original Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School 0 EG Declaration of conformity ...

Страница 4: ...g safety instructions to otherusers In addition to the instructions contained in these operating instructions the gen erally applicable safety and accident pre vention regulations must be observed as shown here for example Warning of haz ard point Information symbol This information symbol is placed along side those points in the manual which must be specifically observed in order to ensure that t...

Страница 5: ... operation of the unit in a partly disassembled condition or of individual components is not permitted since earth terminals might be interrupted During continuous operation the motor may reach temper atures of up to 65 _C If nec essary allow the motor to cool off or wear gloves Be careful when performing work on the heat exchangers Blades and housing parts are sharp edged Wear gloves dur ing work...

Страница 6: ...rans port suspension loosely enclosed 4 Compact silencers on disposable pallet Dimensions approx 190 x 102 x 190 cm Mass approx 364 kg devices shrink wrapped forFVS S forvisible installation additionally onepal let per device with dimensions 230 x 70 cm mass ap prox 70 kg Assembly accessories 1 pallet per unit Per device unit 2 x 4 m mounting rails on Euro orsingletrip pallets secured with strapsa...

Страница 7: ...e 3 DI 5 Forced ventilation If in the Eco or Com modes forced ventilation has been activated the CO2 level insidethe room will be ignored Pleasenote Ventilation will continueun til forced ventilation is deactivated or the mode of operation changed The operating modes Eco and Com areonlyreleased bytheunit when theexhaust air temperature room air temperature is higher than the set parameter Threshol...

Страница 8: ...etting 17 C Secondary air is added in order to prevent drop ping to below the target value see frost protection The room heating must take care of re heating to the target value of the room temperaturebythecorresponding sizing Anti freeze FVS without re heater avoids freezing of the heat recu perator by additionally monitoring the exit air tempera ture If the exit air temperature drops below a def...

Страница 9: ...onsultation with the manufacturer CO2 controlled ventilation Com and Eco Once the central ventilation mode has been activated the ventilation is started whenever a preset program mable CO2 level factory set to 1000 ppm is achieved and again switched off when a lower preset limit fac tory set to 800 ppm is reached The ventilation mode uses a continuous outsideairflow depending on activa tion based ...

Страница 10: ...erature will increase as well Without mechanical re cooling cold water circuit required the room tempera tures may slide above the outdoor temperatures due to the heat load from persons and the sunlight Room temperatures in summer can be limited by the following measures Use external sun protection in time and consistently Usethenight ventilation via theunit orby window ven tilation in summer Vent...

Страница 11: ...C This ensures that no room air is added to maintain the temperature The re heater must be in stalled between the silencer and the connection duct The re heater weighs 35 kg The re heater is designed so that 100 outside air op eration is warranted even at an outdoor temperature of 25 C a water flow rate of 100 kg h and a lead temperature of at least 40 C When using a re heater the supply air tempe...

Страница 12: ...he following values Relative humidity of the exhaust air 25 Relative humidity of the outside air 90 Exhaust air temperature 22 C Nominal flow rate 600 m h The relative humidity strongly influences the heating output Therefore this chart can only be viewed as an example Other conditions must be designed project specifically Required heating capacity depending on outside air temperature with 17 C su...

Страница 13: ...nal 4 3 1 Re cooler with water for type FVS DI optional Necessary after cooling capacity sens cooling capacity 3000 W total cooling capacity 4800 W with 32 C outside air temperature Vnom 600 m h Tsupply air 17 C Nominal water flow rate 250 kg h Pressure loss with nominal water flow rate 16 kPA Nominal water inlet temperature 6 C condensing operation Required cooling capacity depending on outside a...

Страница 14: ...e weather protection grille has already been inte grated in the facade according to manufacturer s in structions Exit air must be able to flow freely down wards at about 45 degree When in the outside air intake mode do not exceed a free cross section re lated air speed of 2 5 m s to keep rain from being sucked in And take special care not to install any sun protection devices in front of the weath...

Страница 15: ...oned inspected and installed according to the manufacturer s specifications 5 2 1 Installation general The enclosed installation rails must be shortened on site and attached to the ceiling according to the assem bly sketches on page 14 et seqq with approved anchor bolts permitted pulling load 2 kN according to the proviso of the project officer The suspension from the longitudinal rail permits a c...

Страница 16: ...nical modifications page 16 of 45 Translation of Original Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 5 2 1 Installation general 68 Detail A Detail C Cut B B Condensate connection DN 15 min 40 mm siphon height 1 x washer DIN 9021 Øi 8 4 mm 1 x screw M8x40 DIN 933 1 x DÄMMGULAST washer sealing pad perforated DÄMMGULAST washers ...

Страница 17: ...l Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 5 2 1 Installation general Assembly drawing A mounting rail 2 x 5 m 8 x M8 sliding nut 8 x washer DIN 9021 Øi 8 4 mm 8 x nut M8 DIN 934 M8 threaded bar 2 x 1000 mm 8 x absorber element 8 x nut M8 DIN 934 counternut screw locking with Loctite Included in the delivery Fixing of mounting rails on s...

Страница 18: ...supply air temperature and in the exhaust outlet exhaust temperature in the intended clip holders see assembly sketch chap 5 4 The CO2 sensor must be installed next to not in the ex haust passage To apply the sensor cable see electrical circuit diagram see chapter 5 3 Service openings Servicing capability must be ensured by service open ings according to the drawing in the ceiling cassette The fol...

Страница 19: ...ed Ventilation Units FVS Eco2School Continuation 5 2 2 Installation of units type FVS DI Installation of temperature sensor View from below A A supply air sensor exhaust air sensor position 742 834 424 Lateral view left side Detail A Detail B Air diffuser LDB 20 8 2 88 Detail A Detail B supply air sensor with support clip and self tapping screw exhaust air sensor with support clip self tapping scr...

Страница 20: ...ts type FVS DI Exhaust air side tubing supply air via ceiling plenum air diffuser LDB 20 8 2 11 1502 555 inside 61 min 494 min 832 120 min 550 Cut F F 2 Example with tubing on the supply air and exhaust air sides The width of the ceiling panelling depends on the on site situation and the type of tubing Exhaust air socket 1 x DN 280 Supply air socket 1 x DN 280 Example with flow of the supply air i...

Страница 21: ...Connecting duct variants Warm water inlet Warm water return Cold water inlet Cold water return Condensate drain Air vent valves Drain valves 12 203 17 460 Mat Nr 1047689 Exhaust air Supply air Mat Nr 1047263 Exhaust air Supply air Mat Nr 1044836 Supply air Exhaust air Mat Nr 1043380 Supply air Exhaust air Mat Nr 1047690 Supply air Exhaust air Covers FVS unit Sealing pad perforated Sound absorber R...

Страница 22: ...coverthere must be no bars that might hinder the removal of the heat recovery unit As a supply air diffuser the LTG air diffuser LW can for example be used for wall installation types LW 20 8 2 or LW 20 8 3 The outlet rails must be installed over the full width of the ceiling panelling in the vertical wall surface in cutouts to be made by others The adapter duct to the facade site can for example ...

Страница 23: ...ion of the exhaust air box to the flange con nections of the silencer Installation of the supply air boxes length approx 2000 mm to the FVS unit see following pages Installation of the supply air boxes length approx 1000 mm at the silencer Installation of the supply air boxes length approx 600 mm at the exhaust air box The supply air and exhaust air boxes are labelled with numbers see assembly ske...

Страница 24: ...on Units FVS Eco2School Continuation 5 2 4 Installation units type FVS S visible installation Assembly drawing installation FVS unit and sound absorber see chapter 5 2 1 Installation general D D A B B Front view 281 191 151 32 1969 128 886 3143 460 x 854 View from below Supply air boxes Casing Attach exhaust air temperature sensor using the support clip and self tapping screws Exhaust air box bolt...

Страница 25: ...ol Continuation 5 2 4 Installation units type FVS S visible installation Assembly drawing installation FVS unit and sound absorber see chapter 5 2 1 Installation general C C Min 100 Min 60 476 536 1239 133 876 1132 G G H H Cut C C Attach supply air temperature sensor using the support clip and self tapping screw 2032 998 102 Angle brackets to fix the diffuser M5x12 DIN 912 Casing is fixed to a hin...

Страница 26: ...cations page 26 of 45 Translation of Original Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 5 2 4 Installation units type FVS S visible installation Installation process Step 1 Before suspension of the unit attach the angle to the unit on both sides Step 2 Suspend unit A Step 3 Attach the angle to the supply air boxes clip supply air boxes ...

Страница 27: ... Subject to technical modifications page 27 of 45 Translation of Original Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 5 2 4 Installation unts type FVS S visible installation Installation process Step 4 Attach the angle to the pan elling clip panelling C B Step 5 Attach the angle to the lower cover attach cover ...

Страница 28: ...ght connection to the weatherpro tection grille Open gaps in thefacade cutout must bein sulated from the inside and grouted to be permanently elastic Larger gaps should be sheet covered for rea sons of sound insulation In case adapter ducts are required on site height differ encebetween unit and facadeopening bypassing a ceil inggirder 90 floorplan deflection etc observethefol lowing rules Ensure ...

Страница 29: ...on Units FVS Eco2School Continuation 5 3 Connection to the facade Connection general weather protection grille Sealing pad non perforated Sealing pad perforated FVS unit exit air Facade Sealing pad non perforated LTG supplied Sealing pad perforated LTG supplied FVS unit outside air Adapter duct 40 mm mineral wool insulated case is included in the scope of supply but is fitted by others Adapter duc...

Страница 30: ...t facade side 391 750 790 42 144 20 5 165 outside air 101 exit air Adapter duct double shell with 1 mm sheet metal 40 mm mineral wool insulated flange width 40 mm Dimensions type FVS S visible installation air connections at facade side flange width 40 mm 143 5 42 205 5 790 750 830 180 1192 100 5 82 165 5 432 Right left version Right version Left version Sound absorber FVS unit c FVS unit Facade s...

Страница 31: ...lation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 5 3 Connection to the facade Type FVS DIH upright assembly View A 100 600 1120 600 156 306 165 1100 534 850 110 170 300 170 300 850 110 156 306 100 534 View A Front view right version Viewing direction from the room to the facade Front view left version Viewing direction from the room to the facade Dime...

Страница 32: ...d out and confirm error messages read and adjust target values for tem peratures and runtimes The switchboard is not included in the delivery and will have to beprovided on site It offers thepossibility to ac tivate unit functions from a central location and will in dicatemalfunctions if any When connecting theremote switchgear the on site electrical bridge between D1 and M must be removed It is p...

Страница 33: ...ns Termination 1 PE N L Revision plug Internal wiring partly shown Conductor plate T Q 14 T X 2 T X 5 X 2 T S S H P E N L T Y 2 T Y 1 LON Q 14 Q 13 Relais AC 24 230V 3 A Q 23 Q 33 Q 24 Q 34 Q 44 Q 43 Q 53 Q 54 Q 64 Q 63 REF A B HMI 24V 0V X 2 M X 3 X 4 M X 5 X 6 M M D 1 D 2 M D 3 D 4 M D 5 Y 1 Y 2 M X 7 X 8 M X 1 24 24 Universal Inputs Outputs Analog Outputs AC 24V Digital Inputs RS 485 PPS2 CLIMA...

Страница 34: ...ve factory provided jumper in case of decentralized control 3 für optionalen Öffner Kontakt oder Präsenzmelder Bücke enfernen Klemmenbelegung AHU Modul This schematic diagram does not comply with actual dimensions 230 V mains Termination 1 PE N L Revision plug LON Q 14 Q 13 Relais AC 24 230V 3 A Q 23 Q 33 Q 24 Q 34 Q 44 Q 43 Q 53 Q 54 Q 64 Q 63 REF A B HMI 24V 0V X 2 M X 3 X 4 M X 5 X 6 M M D 1 D ...

Страница 35: ...5 Y 1 Y 2 M X 7 X 8 M X 1 24 24 Universal Inputs Outputs Analog Outputs AC 24V Digital Inputs RS 485 PPS2 CLIMATIX controller CL B CL A CE CE Ether net USB 2 Heating valve FVS module 2 1 Cooling valve FVS module 3 2 1 3 Heating valve external Room heating circuit Heating circuit 2 1 Cooling valve external Room cooling circuit External room cooling circuit 3 2 1 3 Cable 5x0 5mm Conductor plate T Q ...

Страница 36: ...Q 14 Q 13 Relais AC 24 230V 3 A Q 23 Q 33 Q 24 Q 34 Q 44 Q 43 Q 53 Q 54 Q 64 Q 63 REF A B CP CP HMI 24V 0V X 2 M X 3 X 4 M X 5 X 6 M M D 1 D 2 M D 3 D 4 M D 5 Y 1 Y 2 M X 7 X 8 M X 1 24 24 Universal Inputs Outputs Analog Outputs AC 24V Digital Inputs RS 485 PPS2 CLIMATIX Controller CL B CL A CE CE Ether net USB CLIMATIX optional communi cation CLB CLA Ether net LON Conductor plate T Q 14 T X 2 T X...

Страница 37: ...ion After completion of the installation the device must be in spected for mechanical damage Packaging residue or dirt at and in the device must be removed The following must be inspected the unit suspensions incl the mounting rails for firm heavy load anchors screw connections for complete ness the sound and vibration insulation against the build ing ceiling façade via elastic insulation discs an...

Страница 38: ... unit Now the respective green LED above it must light up If no remote control unit external release is con nected bridging is possible with a cable either at the controller from M to D1 Com or to D2 Eco 2 Breathe into the connected CO2 sensor 3 The unit must start up after a brief delay Optional Function test with HMI service tool A detailed function description for the HMI service tool is availa...

Страница 39: ...utside air The unit does not start up In ECO mode or COM mode Exhaust air temp room temp supply air target factory setting 17 C CO2 value 1000 ppm In nocturnal ventilation mode Temp exhaust air ACTUAL 19 C Temp difference supply air exhaust air ACTUAL 2 K Kelvin Temp supply air ACTUAL 5 C Alarm malfunction confirmation Thealarm and historylists cancontain upto 50entries each Each alarm is reported...

Страница 40: ...e grid must bediscon nected the siphon must be emptied The unit must be cleaned and serviced in the due time and professionally according to the applicable hygiene provisions VDI6022 Formaintenanceof theunit clean thecondensatetray thefans the airflaps theair circu lated inner walls and the heat recuperator and ex change the two air filters 7 1 Opening the unit Foropening turn out thescrew ontheri...

Страница 41: ...and replaced if necessary 7 3 Cleaning and removal of the heat recuperator Theheat recuperator cross counter flow plate heat ex changer is protected from contamination bythe finefil ters Dust deposits in theairentrycross sections can be removed with a soft vacuum cleaner brush Only when clear contamination is visible inside will the heat recuperator have to be moved The plate package can becleaned...

Страница 42: ...ion 7 3 Cleaning and removal of the heat recuperator Step 1 Open cover To open the lid turn the closures outwards Step 2 Fold the lid down Fold the lid down Step 3 Unscrew condensate tray Screws for removal of the condensate tray Step 4 Drop off condensate tray Fold down the condensate tray and pull it out of the suspension Step 5 Unscrew filter cover and heat recuperator Screws for opening the fi...

Страница 43: ...iginal Installation Use Maintenance Instructions Decentralized Ventilation Units FVS Eco2School Continuation 7 3 Cleaning and removal of the heat recuperator Step 6 Unhinge heat recuperator After turning out the screws turn out the heat recuperator downwards and disconnect it Caution The weight of the heat recuperator is 20 kg Damage to the lamellas will render the heat recuperator use less Mainte...

Страница 44: ...least 5 minutes before starting work on the fan Work must only be performed by an elec trician Before replacing a fan check that the EC motor of the fan is supplied with mains voltage 230 V AC and control voltage 2 10 V DC A detailed circuit diagram must be requested from the manufacturer For reasons of safety the fan must be disconnected after switching off the mains supply to prevent accidental ...

Страница 45: ...ing to the stop and tighten the clamping screw 8 Spare parts accessories The following spare parts are available and may be or dered from LTG Aktiengesellschaft statingunit typeand description Quant Ident Nr Description 1 1041527 Filter F5 1 1041523 Filter F7 1 1041369 Heat recuperator 1 1060475 Fan motor 1 1042060 CO2 sensor 1 1058387 CO2 sensor QPA 1 1047488 Temperature sensor NI 1000 0 9 m 1 10...

Страница 46: ...0 Fax 1 864 599 6344 info LTG INC net www LTG INC net FVS eng BA 08 17 AG B 217 1 E LTG Aktiengesellschaft Former editions are invalid Subject to technical modifications Comfort Air Technology Air Water Systems Air Diffusers Air Distribution Process Air Technology Fans Filtration Technology Humidification Technology Engineering Services Laboratory Test Experiment Field Measurement Optimisation Sim...

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