LTG Air-Water Systems

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1 Product Overview LTG Air-Water Systems Best air conditioning solutions for any room situation. Outstanding in performance and efficiency, comfort and acoustics.

2 LTG Aktiengesellschaft Innovative Solutions for Humans and Products. LTG Comfort Air Technology Air-Water Systems Air Diffusers Air Distribution 2 LTG Aktiengesellschaft

3 LTG air-water systems meet highest standards for quality and efficiency. For almost 90 years, LTG Aktiengesellschaft has been a pioneer in air conditioning technology, always one step ahead of the competition with its ground-breaking innovations. To create best conditions for people and processes, LTG Raumlufttechnik produces customized solutions that inspire: with air-water systems like induction devices, fan convectors and local ventilation devices, with air diffusers and products for air distribution (flow rate/ pressure controller and shut-off valves). LTG offers consultants and architects a customized air conditioning concept for all applications and installation situations with its comprehensive range of central and local air-water systems: optimized performance, low noise levels, low air speeds and highest comfort. The innovative LTG air-water systems make it possible to meet sophisticated requirements for state-of-the-art buildings and to clearly lower the energy consumption of renovation objects. LTG Aktiengesellschaft 3

LTG Air-Water Systems Product Overview and Applications Induction Induction Units Ceiling Sill Floor HFFsuite page 10 SilentSuite HFV / HFVsf page 14 System SmartFlow HFB / HFBsf

Indivent page 19 VFC page 23 VKB page 25 VKH page 20 QVC page 23 SKB page 26 VKE page 20 KFA cool wave page 22 Decentral Decentralized Ventilation Units Ceiling Sill Floor FVS

4 LTG Air-Water Systems Product Overview and Applications Induction Induction Units Ceiling Sill Floor HFFsuite page 10 SilentSuite HFV / HFVsf page 14 System SmartFlow HFB / HFBsf page 17 System SmartFlow LHG System Indivent page 11 HFG page 15 HDF / HDFsf page 12 System SmartFlow QHG page 15 HDC page 12 FanPower Fan Coil Units Ceiling Sill Floor LVC System Indivent page 19 VFC page 23 VKB page 25 VKH page 20 QVC page 23 SKB page 26 VKE page 20 KFA cool wave page 22 Decentral Decentralized Ventilation Units Ceiling Sill Floor FVS Univent page 28 FVM page 29 FVD page 29 FVPpulse page 29 System PulseVentilation Engineering Services LTG Engineering Services Comfort Air Technology page 30 4 LTG Aktiengesellschaft

Best Air Conditioning Solution for any Room Situation LTG Aktiengesellschaft is your reliable partner in the area of room air technology.

latest development PulseVentilation. LTG will provide access to our specialist know-how from the first request to detailed planning.

VDI 3804 all essential ventilation and air condition concepts are compared.

On this basis, we offer high-performance products for any requirement and installation situation.

LTG engineering services provide you with decades of expert know-how in comfort air and process air technology, as well as a state-of-the-art lab.

5 Best Air Conditioning Solution for any Room Situation LTG Aktiengesellschaft is your reliable partner in the area of room air technology. We lay the foundations for perfect room climate with innovative and unique solutions such as our patented SmartFlow induction system or the latest development PulseVentilation. LTG will provide access to our specialist know-how from the first request to detailed planning. Air Distribution Air Diffusers Air-Water Systems Example System C of the VDI 3804: Room temperature and ventilation with induction devices In the VDI 3804 all essential ventilation and air condition concepts are compared. To VDI 3804 s development LTG Aktiengesellschaft essentially contributed. On this basis, we offer high-performance products for any requirement and installation situation. These include air-water systems, air diffusers or air distribution components. LTG engineering services provide you with decades of expert know-how in comfort air and process air technology, as well as a state-of-the-art lab. We will gladly support you in selection of the best system. Contact us! LTG planning tools we support you! Ask for your own DVD with helpful tools, such as dimensioning programs, streaming videos and product information! Also available: our product overviews about air diffusers and air distribution products. Visit us on and get detailed technical information as PDF files at Download. LTG Aktiengesellschaft 5

6 LTG Air-Water Systems LTG Innovations LTG drives development in comfort air technology with basic innovation. We are your reliable partner in the system solutions area. Mixed/displacement ventilation in an extended comfort zone The System SmartFlow Induction technology redefined demand-oriented air conditioning Tangential Air Flow Discomfort Conventional Uncontrolled Induction Technology Comfort Supply Air/m Sill Mixed/Displ. Air Flow Cooling Load External Solar Load Demand-controlled Cooling with SmartFlow-Technology Displacement Air Flow 0 Cooling capacity/m Sill 0 Primary Air Volume Building-specific Basic Ventilation Person-dependent Variable Fresh Air Volume Cooling Loads and Ventilation Demand for Displacement Air Flow Tangential Air Flow Mixed/Displ. Air Flow Empty Office Standard Office Densely Populated Office Meeting Room Areas of use of different flow types Comparison of conventional induction technology and SmartFlow technology The mixed/displacement air flow developed by LTG and assumed into the VDI 3804 permits high cooling output at high thermal comfort. It can be implemented in any LTG device type with optimized air distributors. The above chart shows the areas of application of different flow forms that are essentially defined by thermal comfort. The ideal flow shape for the project-specific parameter cooling output and supply air flow rate can be implemented with different LTG air-water systems then. We perform optimization for special requirements within the scope of our engineering services. Products with mixed/displacement ventilation: HFV, HFG, VFC, VKB, HFB and FVD. The LTG System SmartFlow offers best comfort and energy consumption even under changing load stations. The ideal flow form is selected depending on required cooling output and fresh air volume. For this, the air nozzles are opened and the cold water valves are controlled. This ensures best comfort, acoustics and energy efficiency for any load case with a single device. Manual (different room use) or automatic (occupancy or CO 2 -controlled) regulation is possible. In contrast to conventional induction technology, this permits adjustment of cooling output and fresh air supply to the specific requirements. Products with the SmartFlow system: HDFsf, HFBsf and HFVsf. 6 LTG Aktiengesellschaft

7 The System Indivent Hybrid displacement ventilation The LTG System Design Flexible technology for floor supply systems with a consistent appearance Primary Air Return Air Cold Water Heating Convector SKB Floor Linear Diffuser LDU Façade Ventilation Unit FVD/FVP Fan Coil Unit VKB Induction Unit HFB Flow chart for Indivent system Highest comfort by combination of mixed and displacement flow! With LTG induction devices or fan coil units in combination with our highly inductive LDB linear diffusers permits sophisticated implementation of this comfortable room flow. Products with the Indivent system: LHG and LVC. LTG System Design: Consistent appearance with different floor devices Appearance and room effect are essentially determined by the architecture. LTG System Design permits different technical solutions for room air conditioning in different building areas under a visually consistent grid. Products with the LTG System Design: HFB, VKB, SKB, FVD and FVPpulse. LTG cool wave Gentle cooling: pulsating air jets for highest thermal comfort A fan oscillating between two heat exchangers generates pulsating air jets. The eddies resulting from this dissipate rapidly and ensure draft-free, silent cooling. This principle developed by LTG is unique in the world. Function principle LTG Aktiengesellschaft 7

8 LTG Air-Water Systems 8 LTG Aktiengesellschaft

Induction Units Induction Induction Units Induction Technology - Comfortable and Efficient LTG induction units have been developed further continually since the first patent was registered by founder

It induces the surrounding air layer along at its edges and thus enlarges the flowing air volume. This induction takes place within the induction device.

Together with the fresh air (primary air) the supply air then returns to the room for a comfortable climate.

9 Induction Units Induction Induction Units Induction Technology - Comfortable and Efficient LTG induction units have been developed further continually since the first patent was registered by founder Dr. Albert Klein for an induction plant in The Induction Principle Air flowing through a nozzle forms a free jet. It induces the surrounding air layer along at its edges and thus enlarges the flowing air volume. This induction takes place within the induction device. A special construction entrains room air (secondary air) through a heat exchanger, where it is cooled or heated. Together with the fresh air (primary air) the supply air then returns to the room for a comfortable climate. LTG induction units of the latest generation are energy-efficient and can be operated and demandcontrolled with LTG SmartFlow technology. Advantages Silent No additional fan needed in the unit Sustainable: long service life and low maintenance Low energy costs / variable ventilation High cooling and heating output Cooling / heating and fresh air supply in one unit The Evolution of Induction Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Induction device chart Induction principle LTG Aktiengesellschaft 9

Ceiling HFFsuite Induction Unit for Ceiling Installation HFFsuite Five stars for efficient and silent

HFFsuite ensures an optimum climate and comfortable sleep in hotel rooms.

restricted space, even with condensate-free operation Highest thermal comfort: Induction control operated

10 Ceiling HFFsuite Induction Unit for Ceiling Installation HFFsuite Five stars for efficient and silent ventilation, heating and cooling without a fan. HFFsuite ensures an optimum climate and comfortable sleep in hotel rooms. Benefits As quiet as a whisper even at maximum power: less than 24 db(a) Maximum cooling capacity in a restricted space, even with condensate-free operation Highest thermal comfort: Induction control operated individually by user, adjustable air baffle elements Very low operation costs: energy-saving, maintenance-free and hard-wearing induction technology Easy integration, economical for refurbishment work too 10 LTG Aktiengesellschaft

LHG System Indivent Induction Unit for Ceiling Installation LHG System Indivent Create ideal room conditions with the patented LTG System Indivent that

Benefits High comfort through low air speed, even temperatures and low sound power levels High flexibility in room design: work places, ceiling, lighting,

surface design of the air diffusers Flexible: large selection of edge profiles permits perfect integration of the air diffusers into any ceiling.

11 LHG System Indivent Induction Unit for Ceiling Installation LHG System Indivent Create ideal room conditions with the patented LTG System Indivent that combines the benefits of induction technology in system combination with highly inductive LDB linear diffusers. Benefits High comfort through low air speed, even temperatures and low sound power levels High flexibility in room design: work places, ceiling, lighting, etc. can be freely designed Room flow can be optimized easily by adjustable LDB linear diffusers Variable: unlimited possibilities in design, colour and surface design of the air diffusers Flexible: large selection of edge profiles permits perfect integration of the air diffusers into any ceiling. Associated profiles and rolls can be combined individually and are available in all colour systems (e.g. RAL, Pantone ) Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 11

Ceiling HDF / HDFsf and HDC Induction Units for Ceiling Installation / Active Chilled Beams HDF / HDFsf and HDC HDF HDC Comfortable even in complex

Benefits Energy-efficient by low primary pressures and high cooling output Silent: very high-performance at low noise level Low installation height

12 Ceiling HDF / HDFsf and HDC Induction Units for Ceiling Installation / Active Chilled Beams HDF / HDFsf and HDC HDF HDC Comfortable even in complex installation situations: HDF and HDC warrant draftfree air conditioning even for critical projects. Benefits Energy-efficient by low primary pressures and high cooling output Silent: very high-performance at low noise level Low installation height possible Flexible: any desired room structure possible. Diffusing from two or four sides. Two-in-one: Supply air and exhaust air in one unit High thermal comfort Maintenance-friendly construction 12 LTG Aktiengesellschaft

13 Induction Units for Ceiling Installation Product Data HFFsuite LHG System Indivent HDF/HDFsf HDC Features / Application Use in ceiling compartment, especially for hotels Supply air system with LDB air diffuser Diffusing from 2 or 4 sides, ceiling grid 300/600 mm Diffusing from one side, ceiling grid 300 mm Functions Cooling / heating Technical Data for L pa = 35 db(a) 4) Fresh air supply Demand-controlled ventilation Special functions (optional) Max. cooling output Dimensions [Length x Width x Height in mm] Design / Options Air Diffusion / 5) - Induction control - Dessicant operation - Exhaust air connection up to 1800 W 2) up to 1600 W 1) up to 3000 W 1) up to 900 W 1) Max. heating output 3) 4000 W 4100 W 5000 W 1850 W Primary air volume flow up to 180 m 3 /h up to 160 m 3 /h up to 390 m 3 /h up to 90 m 3 /h 942/1242 x 616 x Electrical heating register x 560 x Belt assembly - Blind outlet Standard 1) At 16 C cold water inlet temperature / 27 C intake temperature / 16 C primary air temperature 2) At 6 C cold water inlet temperature / 27 C intake temperature / 16 C primary air temperature 3) At 70 C hot water inlet temperature / 20 C intake temperature / 16 C primary air temperature 4) At 6 db room dampening 5) HDFsf x 300/600 x 163/229 - Belt assembly - Blind outlet 1200 x 300 x 240 Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 13

Sill HFV / HFVsf Induction Unit for Sill Installation HFV / HFVsf Unnecessary venting is a

The HFVsf adjusts the fresh air volume and cooling output to the currently requirements.

Benefits Highest energy efficiency by low primary pressures Demand-controlled ventilation for

Economically and efficient even for renovation projects High user comfort: Fresh air and

for existing or new projects Mixed/displacement ventilation, closed cover: suction from

14 Sill HFV / HFVsf Induction Unit for Sill Installation HFV / HFVsf Unnecessary venting is a thing of the past with the SmartFlow technology! The HFVsf adjusts the fresh air volume and cooling output to the currently requirements. This means minimum energy costs at highest comfort. It s an investment that pays off! Benefits Highest energy efficiency by low primary pressures Demand-controlled ventilation for all uses; easy change of use possible Good client response through individual user influence Economically and efficient even for renovation projects High user comfort: Fresh air and cooling output can be controlled, extremely low-noise operation Variable installation in sill for existing or new projects Mixed/displacement ventilation, closed cover: suction from below/front, exhaust to the top Mixed/displacement ventilation, cover with punched sheet: suction from top, exhaust to the top and front 14 LTG Aktiengesellschaft

HFG and QHG Induction Units for Sill Installation HFG and QHG The induction units for any application!

Both are equally suitable for new construction and renovation objects.

cooling output Low-maintenance, proven and robust Air volume and pressure can be selected individually Benefits QHG HFG Comfortable room climate by low flow speed

15 HFG and QHG Induction Units for Sill Installation HFG and QHG The induction units for any application! HFG and QHG enable you to develop comfortable air conditioning even for complex installation and room situations! Both are equally suitable for new construction and renovation objects. Benefits HFG High comfort by LTG mixed/displacement ventilation Many versions are suitable even for special requirements like narrow or low sills High heating / cooling output Low-maintenance, proven and robust Air volume and pressure can be selected individually Benefits QHG HFG Comfortable room climate by low flow speed and turbulence degrees High ventilation efficiency: The thermal effects remove hazardous substances in a targeted manner QHG Flexible room design: displacement ventilation prevents risk of draughts Source outlets adjustable to suit installation situation Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 15

Sill Induction Units for Sill Installation Product Data HFV / HFVsf HFG QHG Features / Application Demand-adjusted ventilation with variable flow rate With

ventilation / 4) Special functions (optional) - Manual settings 4) - Motor control, e.g. CO 2 -controlled 4) - Dessiccant operation possible Technical Data for L pa = 35 db(a) 3) Max.

heating output 2) up to 1900 W up to 5300 W up to 3000 W Primary air flow rate up to 160 m 3 /h up to 150 m 3 /h up to 140 m 3 /h Dimensions [Length x Width

suction behind the façade - For very narrow sills - For particularly high cooling outputs - With suction from the front Air Diffusion Standard 1) At 16 C

16 Sill Induction Units for Sill Installation Product Data HFV / HFVsf HFG QHG Features / Application Demand-adjusted ventilation with variable flow rate With constant flow rate, diverse designs available Displacement ventilation with constant flow rate Functions Cooling / heating / fresh air supply Demand ventilation / 4) Special functions (optional) - Manual settings 4) - Motor control, e.g. CO 2 -controlled 4) - Dessiccant operation possible Technical Data for L pa = 35 db(a) 3) Max. cooling output 1) up to 1200 W up to 1800 W up to 1400 W Max. heating output 2) up to 1900 W up to 5300 W up to 3000 W Primary air flow rate up to 160 m 3 /h up to 150 m 3 /h up to 140 m 3 /h Dimensions [Length x Width x Height in mm] x 232 x x 187/149 x x 183 x 780 Design / options - With additional displacement ventilation - With suction behind the façade - For very narrow sills - For particularly high cooling outputs - With suction from the front Air Diffusion Standard 1) At 16 C cold water inlet temperature / 27 C intake temperature / 16 C primary air temperature 2) At 70 C hot water inlet temperature / 20 C intake temperature / 20 C primary air temperature 3) At 6 db room dampening 4) HFVsf 16 LTG Aktiengesellschaft

Floor HFB / HFBsf Induction Unit for Floor Installation HFB / HFBsf HFB perfect for air conditioning of outer zones with façade glazing.

heating operation at night with the ventilation off) Simplified maintenance via the floor grille and easy access to heat exchangers With LTG System Design: for a consistent look in all rooms, even

17 Floor HFB / HFBsf Induction Unit for Floor Installation HFB / HFBsf HFB perfect for air conditioning of outer zones with façade glazing. Benefits Unit can be selected for difficult installation situations High natural convection for heating without primary air (e.g. heating operation at night with the ventilation off) Simplified maintenance via the floor grille and easy access to heat exchangers With LTG System Design: for a consistent look in all rooms, even with combination of different ventilation and air conditioning systems in the false floor (e.g. with VKB ) Product data Functions Cooling / heating / fresh air Technical data for L pa = 35 db(a) 3) Demand-controlled ventilation Max. cooling- / heating output Dimensions [Length x Width x Height in mm] / 4) up to 1500 W 1) / up to 2400 W 2) Primary air flow rate up to 160 m 3 /h x 441 x 187 Selection of possible grids and grilles Aluminium linear grid in all eloxated tones and colours Stainless steel linear grid Aluminium rolling grid in all eloxated tones and special look Wood rolling grid in different wood types Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Standard 1) At 16 C cold water inlet temperature / 27 C intake temperature / 16 C primary air temperature 2) At 70 C hot water inlet temperature / 20 C intake temperature / 20 C primary air temperature 3) At 6 db room dampening 4) HFBsf LTG Aktiengesellschaft 17

Fan Coil Units FanPower Fan Coil Units The air conditioning classic energy-efficient and low-noise The principle: A fan conveys room air through a heat exchanger and cools or heats the room.

LTG fan convectors with cross-flow technology are characterized by a particularly even and large-area flow through the heat exchanger.

18 Fan Coil Units FanPower Fan Coil Units The air conditioning classic energy-efficient and low-noise The principle: A fan conveys room air through a heat exchanger and cools or heats the room. LTG fan coil units use both radial and cross-flow fans to implement the best flow and acoustics for different installation situations. Flexible and high-performance. LTG fan convectors with cross-flow technology are characterized by a particularly even and large-area flow through the heat exchanger. Low pressure loss and low noise level with high cooling or heating output. Benefits Best flow form, e.g. with displacement ventilation Demand-controlled air conditioning Low power consumption of the fan by smart ECtechnology Rapid response for cooling and heating output Fresh air supply possible The latest drive technology generation (EC-technology) also permits capacity modulation at the lowest electrical energy consumption. Fan coil chart Air flow in the fan coil unit with cross-flow 18 LTG Aktiengesellschaft

Ceiling LVC System Indivent Fan Coil Unit for Ceiling Installation LV C System Indivent Hybrid displacement ventilation customized air

Benefits Optimum thermal comfort by low air turbulence and low flow speed Efficient ventilation: Room pollutants are effectively removed by

ceiling. Associated profiles can be combined individually and are available in all colour systems (e.g. RAL, Pantone.

19 Ceiling LVC System Indivent Fan Coil Unit for Ceiling Installation LV C System Indivent Hybrid displacement ventilation customized air conditioning for any requirement. LVC combines the benefits of fan convectors in system combination with high-induction LDB linear diffusers. Benefits Optimum thermal comfort by low air turbulence and low flow speed Efficient ventilation: Room pollutants are effectively removed by displacement plumes Architectural design freedom Flexible: a large selection of edge profiles permits integration of the air diffusers into any ceiling. Associated profiles can be combined individually and are available in all colour systems (e.g. RAL, Pantone...) Room flow can be optimized simply by adjustable LDB linear diffusers Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 19

Ceiling VKH and VKE Fan Coil Units for Ceiling Installation VKH and VKE VKH VKE

installation in all kinds of rooms from offices to hotel rooms.

demand Maintenance-friendly construction, low operation costs High cooling output

20 Ceiling VKH and VKE Fan Coil Units for Ceiling Installation VKH and VKE VKH VKE Low noise, high performance: the ideal fan coil solution for the ceiling installation in all kinds of rooms from offices to hotel rooms. Benefits Outstanding flexibility in room design and unit installation, low space demand Maintenance-friendly construction, low operation costs High cooling output with low noise Can be combined with LDB linear diffusers Rapid response cooling possible 20 LTG Aktiengesellschaft

Fan Coil Units for Ceiling Installation Product Data LVC System Indivent VKH VKE Features / Application

cold water inlet temperature / 27 C intake temperature 3) At 70 C hot water inlet temperature / 20 C intake

ceiling compartments, specifically for hotels To connect air diffusers Functions Cooling / heating Fresh air

heating output 3) up to 6000 W up to 7300 W up to 4000 W Electrical output 4) (ECtechnologiy) Dimensions

8 W 20 W Cooling output 4) up to 1500 W 1) up to 3600 W 2) up to 3000 W 2) 746-1470 x 210 x 352 780-1410 x

21 Fan Coil Units for Ceiling Installation Product Data LVC System Indivent VKH VKE Features / Application Standard o optional on request 1) At 16 C cold water inlet temperature / 27 C intake temperature 2) At 6 C cold water inlet temperature / 27 C intake temperature 3) At 70 C hot water inlet temperature / 20 C intake temperature 4) L PA 35 db(a) at 6 db room dampening Supply air via LDB linear diffusers Installation in ceiling compartments, specifically for hotels To connect air diffusers Functions Cooling / heating Fresh air supply o o o Dessicant operation Technical Data Max. cooling output 1900 W 1) up to 4000 W 2) 3800 W 2) Max. heating output 3) up to 6000 W up to 7300 W up to 4000 W Electrical output 4) (ECtechnologiy) Dimensions [Length x Width x Height in mm] Air Diffusion ca. 10 W ca. 8 W 20 W Cooling output 4) up to 1500 W 1) up to 3600 W 2) up to 3000 W 2) x 210 x x 445 x x 752 x 250 Example with LDB linear diffusers Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 21

Ceiling KFA Cooling Unit for Ceiling Installation K FA cool wave Gentle cooling: fast eddying pulsating air jets for highest thermal comfort without a

comfort very low air speeds and noise levels Indivdual design

in combination with ceiling or lighting elements Also ideal for supplementing passive cooling systems Product Data Functions Cooling / fresh air supply /

22 Ceiling KFA Cooling Unit for Ceiling Installation K FA cool wave Gentle cooling: fast eddying pulsating air jets for highest thermal comfort without a conventional fan. Benefits High comfort very low air speeds and noise levels Indivdual design options, e.g. in combination with ceiling or lighting elements Also ideal for supplementing passive cooling systems Product Data Functions Cooling / fresh air supply / o Technical data Max. cooling output up to 550 W 1) Electrical power intake 20 W Fresh air flow rate up to 120 m 3 /h Sound level L pa 24 db(a) 2) Dimensions [Length x Width x Height in mm] x 300/400 x 281 Design / Options - Installation flush with the ceiling / freely suspended / partially integrated - Fresh air box with attached LTG air diffusers Standard o optional on request 1) At 16 C cold water inlet temperature / 27 C intake temperature 2) At 6 db room dampening 22 LTG Aktiengesellschaft

Sill VFC and QVC Fan Coil Units for Sill Installation VFC and QVC Benefits VFC Energy-efficient: high cooling

possible Maintenance-friendly construction Fresh-air connection possible Suitable for narrow and low sills

Comfortable room climate by displacement ventilation The thermal effect removes pollutants by displacement

23 Sill VFC and QVC Fan Coil Units for Sill Installation VFC and QVC Benefits VFC Energy-efficient: high cooling output with low power consumption Highest comfort by mixed/displacement ventilation Dessicant operation possible Maintenance-friendly construction Fresh-air connection possible Suitable for narrow and low sills Benefits QVC VFC Always the best flow form for every application case: VFC and QVC. Comfortable room climate by displacement ventilation The thermal effect removes pollutants by displacement flow Architectural design freedom QVC Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 23

Sill Fan Coil Units for Sill Installation Product Data VFC QVC Features / Application Available in different sizes and designs Displacement flow for best

cooling output 2700 W 2) 1200 W 1) Max. heating output 3) 6400 W 3400 W Electrical output 4) (EC-technology) ca. 8 W ca.

/ Options - For low installation height - For low inlet temperatures Air Diffusion Standard o optional on request 1) At 16 C cold water inlet temperature

24 Sill Fan Coil Units for Sill Installation Product Data VFC QVC Features / Application Available in different sizes and designs Displacement flow for best room air pollutant removal Functions Cooling / heating Fresh air supply o o Dessicant operation o Technical Data Max. cooling output 2700 W 2) 1200 W 1) Max. heating output 3) 6400 W 3400 W Electrical output 4) (EC-technology) ca. 8 W ca. 10 W Cooling output up to 2300 W 2) 4) 1) 4) up to 950 W Dimensions [Length x Width x Height in mm] x 165 x 430/ x 197 x 600 Designs / Options - For low installation height - For low inlet temperatures Air Diffusion Standard o optional on request 1) At 16 C cold water inlet temperature / 27 C intake temperature 2) At 6 C cold water inlet temperature / 27 C intake temperature 3) At 70 C hot water inlet temperature / 20 C intake temperature 4) L PA 35 db(a) at 6 db room dampening 24 LTG Aktiengesellschaft

Floor VKB Fan Coil Unit for Floor Installation VKB Heating, cooling or ventilation, or humidification and dessiccant operation are easily

Benefits Silent and efficient with energy-saving fan drive Compact size, permitting use even in narrow spaces Maintenance-friendly and

consistent appearance in all rooms, even with combination of different venilation and air conditioning systems in the false floor (e. g.

25 Floor VKB Fan Coil Unit for Floor Installation VKB Heating, cooling or ventilation, or humidification and dessiccant operation are easily possible with this device. Low false floors or narrow spaces: The VKB always provides the best solution for your building. Benefits Silent and efficient with energy-saving fan drive Compact size, permitting use even in narrow spaces Maintenance-friendly and extremely long service life Best thermal shield of the glazing by displacement ventilation close to the façade With LTG System Design: consistent appearance in all rooms, even with combination of different venilation and air conditioning systems in the false floor (e. g. with HFB, SKB ) Great diversity of versions Fresh air supply possible Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units LTG Aktiengesellschaft 25

Floor Fan Coil Units for Floor Installation Product data VKB SKB 300 200 N Features / Application Use in false floors / special designs available Especially for grid with 200 mm Use in low false

26 Floor Fan Coil Units for Floor Installation Product data VKB SKB N Features / Application Use in false floors / special designs available Especially for grid with 200 mm Use in low false floors Heating convector for free convection Combination with these ventilation grids possible Aluminium linear grid in all eloxated and colour tones Aluminium rolling grid in all eloxated tones and special look Stainless steel linear grid Functions Cooling / heating / / / / Fresh air supply o o o o Special functions (optional) - Humidification - Electr. heating - Dessication Technical Data Max. cooling output up to 3200 W 2) up to 1600 W 1) up to 1200 W 1) Max. heating output 3) up to 5000 W up to 4000 W up to 3000 W up to 400 W/lfdm Electr. output 4) (EC-technology) 8 W 8 W 8 W Cooling output 4) up to 2400 W up to 1200 W up to 1000 W Dimensions [Length x Width x Height in mm] x 300 x x 200 x x 300 x x x 140 Air Diffusion Standard o optional on request 1) At 16 C cold water inlet temperature / 27 C intake temperature 2) Bei 6 C cold water inlet temperature / 27 C intake temperature 3) Bei 70 C hot water inlet temperature / 20 C intake temperature 4) L PA 35 db( A) at 6 db room dampening 26 LTG Aktiengesellschaft

Decentralized Ventilation Systems Decentral Decentralized Ventilation Systems Flexible and energy-efficient!

planners. All ventilation is provided locally. Both supply air and exhaust are guided across the façade and treated.

Without a central AHU, decentralized systems offer the only, highly efficient solution to renovate existing buildings in an energy-efficient manner.

local air conditioning for all installation situations in the ceiling, the façade and the false floor.

27 Decentralized Ventilation Systems Decentral Decentralized Ventilation Systems Flexible and energy-efficient! Decentralized Ventilation Units with Highly Efficient Heat Recovery Decentralized ventilation units offer unique flexibility in combination with high economic efficiency to architects and planners. All ventilation is provided locally. Both supply air and exhaust are guided across the façade and treated. An integrated highly efficient heat recuperator minimizes the heat/cold loss and thus ensures low energy costs. Without a central AHU, decentralized systems offer the only, highly efficient solution to renovate existing buildings in an energy-efficient manner. Local systems offer an innovative and energy-efficient means for individual, demand-controlled air conditioning for new construction projects as well LTG Aktiengesellschaft offers units for local air conditioning for all installation situations in the ceiling, the façade and the false floor. Benefits No central air conditioning plant or duct system Lower floor height possible for reduced construction costs and efficiently space use High user acceptance by individual control High energy efficiency by demand-controlled ventilation with heat recovery Latest innovation: Decentralized solution with pulsating flow in the new FVPpulse System PulseVentilation Return Air +21 C Supply Air +16 C Exhaust Air +8 C Time to breathe Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Outside Air -3 C Decentralized Ventilation Unit FVM Heat Exchanger 27

Ceiling FVS Univent Decentralized Façade Ventilation Unit for Ceilings F V S Univent The ventilation solution for schools, child day-cares and meeting rooms.

-controlled regulation Fast and simple retrofitting: Supply air and exhaust air with optimized room flow and combined weather protection grid Product Data Functions

power intake 50 W 1) Reheating ratio 83 % Dimensions [Length x Width x Height in mm] 4500 (incl.

28 Ceiling FVS Univent Decentralized Façade Ventilation Unit for Ceilings F V S Univent The ventilation solution for schools, child day-cares and meeting rooms. Benefits Comfortable: room flow can be easily optimized by adjustable LDB linear diffusers Energy-saving by highly efficient heat recovery and automatic CO 2 -controlled regulation Fast and simple retrofitting: Supply air and exhaust air with optimized room flow and combined weather protection grid Product Data Functions Supply air/exhaust air, heat recovery, night cooling Technical Data Fresh air supply up to 720 m 3 /h Noise level L pa 27 db(a) 1) Electr. power intake 50 W 1) Reheating ratio 83 % Dimensions [Length x Width x Height in mm] 4500 (incl. silencer) x x 450 Design / Options Accessories Installation in ceiling compartment or exposed installation with integrated LDB linear diffusers Re-heater/cooler, PCM-cooling, connection to various bus systems Standard 1) At 6 db room dampening and at 400 m 3 /h 28 LTG Aktiengesellschaft

Wall and Floor FVM, FVD and FVPpulse Decentralized Ventilation Units for Wall and Floor FVM, FVD and FVPpulse Benefits FVM Minimum

custom designed Lower floor height possible, leading to reduced construction costs and efficient use of space Product data FVM

valve Only one opening for supply air and exhaust for freedom in façade design Consistent look by LTG System Design Highest thermal

recovery Recirculating / pulsating operation Max.

up to 2300 W 2) Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Fresh air flow rate up to 120 m

29 Wall and Floor FVM, FVD and FVPpulse Decentralized Ventilation Units for Wall and Floor FVM, FVD and FVPpulse Benefits FVM Minimum space requirement by low depth of 160 mm even for integration into single-shell façades The room side of the air conditioner can be custom designed Lower floor height possible, leading to reduced construction costs and efficient use of space Product data FVM Benefits FVD / FVPpulse Highly economic reduced maintenance, servicing and operation costs by a single fan and only one outside air valve Only one opening for supply air and exhaust for freedom in façade design Consistent look by LTG System Design Highest thermal comfort by pulsating air flow (FVPpulse) FVM FVD FVPpulse Functions Supply air / exhaust / / / Technical Data Heating /cooling Heat recovery Recirculating / pulsating operation Max. cooling / heating output / o / / FVD / FVPpulse up to 470 W 1) / up to 900 W 1) / up to 920 W 1) / up to 2200 W 2) up to 3700 W 2) up to 2300 W 2) Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Fresh air flow rate up to 120 m 3 /h up to 120 m 3 /h up to 240 m 3 /h Standard o FVDplus 1) At 17 C water temperature / 32 C outer air suction / 26 C in the room 2) At 75 C hot water inlet temperature / -12 C outer air temperature LTG Aktiengesellschaft 29

LTG Engineering Services Comfort Air Technology LTG Engineering Services more security for your investments!

As early as the design proposal for a new building or a renovation, we determine the facts and data precisely for you to secure your investment. Benefit from decades of experience and expertise!

Implementation risks can be significantly reduced.

30 LTG Engineering Services Comfort Air Technology LTG Engineering Services more security for your investments! LTG Engineering Services offer reliable and detailed reports with recommendations regarding function and costs for comfort air technology installations prior to final design. As early as the design proposal for a new building or a renovation, we determine the facts and data precisely for you to secure your investment. Benefit from decades of experience and expertise! Your advantages Cost optimized from the very start: Investment costs, energy consumption and operation costs can be reliably calculated and specifically optimized at planning stage. Implementation risks can be significantly reduced. Predictable comfort: The greatest possible thermal and olfactory comfort through simulation and testing Reduced on site commissioning because presets are made in the factory Choice of the best climate system to suit each building type Benefit from our modern development centre with various flow laboratories, reverberation chamber, a calorimetric test stand and simulation tools for optimizing your project. Security when renovating comfort air technology systems Air flow visualization Design and model room 30 LTG Aktiengesellschaft

Our services Realistic room flow tests in various scales (model tests or full scale) for simulating and optimizing ventilation and temperature systems Comfort

Evaluation and visualization of air flows, and calculation of pressure losses, heat flows, ventilation efficiency and much more, including Computional Fluid Dynamics

Dynamic building simulation for calculating room climate and energy consumption of freely or mechanically ventilated buildings (daily temperature variation, heating

loss of climate-control products and devices Implementation and validation of your design ideas through construction, measurement and cost optimization Comparative

31 Our services Realistic room flow tests in various scales (model tests or full scale) for simulating and optimizing ventilation and temperature systems Comfort parameter measurements to DIN EN ISO 7730, and room climate evaluation in the lab and on site Evaluation and optimization of existing ventilation systems and devices Evaluation and visualization of air flows, and calculation of pressure losses, heat flows, ventilation efficiency and much more, including Computional Fluid Dynamics (CFD) simulation LTG Engineering Services provide sound, detailed answers to your design questions. Talk to us! Dynamic building simulation for calculating room climate and energy consumption of freely or mechanically ventilated buildings (daily temperature variation, heating and cooling loads) Acoustic and aerodynamic investigations on site, if desired for assessing noise, sound level, attenuation characteristics, flow rate and pressure loss of climate-control products and devices Implementation and validation of your design ideas through construction, measurement and cost optimization Comparative studies of various room climate systems as to costs of investment, operation and life cycle Engineering Services Decentralized Ventilation Units Fan Coil Units Induction Units Echo chamber Laboratory LTG Aktiengesellschaft 31

32 Comfort Air Technology Air-Water Systems Air Diffusers Air Distribution Process Air Technology Fans Filtration Technology Humidification Technology Engineering Services Air Flow Tests Thermodynamics Acoustics / Comfort Customized Solutions LTG Aktiengesellschaft Grenzstraße Stuttgart Deutschland Tel.: +49 (711) Fax: +49 (711) info@ltg.com LTG Incorporated 105 Corporate Drive, Suite E Spartanburg, SC USA Tel.: +1 (864) Fax: +1 (864) info@ltg-inc.net [04/15] Subject to technical canges. LTG Aktiengesellschaft, Stuttgart

LTG Air-Water Systems

Product Overview LTG Air-Water Systems Best air conditioning solutions for any room situation. Outstanding in performance and efficiency, comfort and acoustics. LTG Aktiengesellschaft Innovative Solutions