Technical data to VDI 6022 Air handling units KG/KGW Top 21-1000 The competence brand for energy-saving systems

2 KG/KGW Top Unit description

DIN / EN 1886 Quality requirements for the casing. Hospital-hygiene requirements for the unit. Usable in OP zones, laboratories, pharmaceutical industry, under certain circumstances also production facilities for electronic components, etc. DIN 1946 P4 VDI 3803 Stipulations for efficient setup and energy-saving operation of the system. Equipment and protective systems in accordance with Directive 94/9/EC (Atex 95) for installation in rooms containing a potentially explosive atmosphere. Atex VDI guideline for hygiene-aware planning, building and maintenance of air handling units. VDI 6022 Units...

5 KG/KGW Top Unit description Unit selection Air volume x 1000 in m³/h National rules are definitive as regards the limit values for installed components. Min / max air volume Aperture sizes, W x H in mm Air volume x 1000 in m³/h Air velocity [m/s] across aperture cross-section

6 KG/KGW Top Unit description Unit description Frame structure KG 21 - 380: 50x50x1.5mm KG 450 - 1000: 76x76x2mm Self-supporting framework consists of double square-section tubular sections with bolted, die-cast corner elements. Unit is inherently stable even without the base frame. Profile-section frame, fully galvanized to EN 10142 and EN 10143. Section casing easily disassembled, by using die-cast corner elements allowing the removal of horizontal and vertical sandwich skin panels. On request - Internal skin material of stainless steel - Powder coating with RAL finish (thickness of coating...

7 KG/KGW Top Unit description Unit description Fan section Fan and motor mounted on sturdy base frame; base frame resiliently mounted on AV-mounts. High-performance, DWDI-radial fan with forward or backward inclined impeller blades. Shaft aligned for zero runout to standard diameter at each end to accommodate veebelt pulleys. With sturdy bearings and acoustically tested precision grooved ball bearings, greased with ageing-resistant lithium-saponified grease, Impeller statically and dynamically balanced in accordance with VDI 2060. Easily removable from the casing for repair and maintenance. Drive...

8 KG/KGW Top Unit description Unit description Frequency inverter (microprocessor-controlled) For speed control (5 to 90Hz) of the fan motor with quadratic torque transient, EN 55011 RFI suppression by RFI suppression filter, connecting cable between motor and frequency inverter shielded. Integral motor protection by temperature-sensor monitoring in combination with switchgear cabinet, wired and pre-set ex-works. Voltage-controlled inverter for stepless speed control of three-phase asynchronous motors specially designed for driving fluid-flow machines - without power reduction at motor rated...

9 KG/KGW Top Unit description Unit description Standard functions: Automatic motor adaptation, automatic run-up and delay-time adaptation, min. and max. speed limitation, fixed-speed preselect, hide speed, quick stop, DC brake, synchronization with motor already in operation, motor temperature-sensor monitoring, vee-belt monitoring, operating-hours counter, fault-message memory, PID controller (scalable in process variables). Control inputs: - 3 analog inputs, scalable and invertible for external setpoints and actual-value feedback - 1 for 0 - 20 mA, 2 for voltage 0 - 10 V, also for connecting...

10 KG/KGW Top Unit description Unit description On request - DX-coil with separate and/or interlaced circuits - Heat-pump circuit - Hot-gas injection header Cooling coil section (direct expansion) With pull-out Cu/Al cooling coil as direct expansion coil. Refrigerant connection with distributor for multipoint injection. Cu tubes with tubes with press-fitted, optimized, profiled high-performance fins, copper header, installed in a galvanized sheet-steel frame. Wall penetration seal with diffusion-proof, closed-cell insulation. PP drop eliminator, pull-out, over removable inspection panel. Corrosion-resistant...

11 KG/KGW Top Unit description Unit description On request - Damper to DIN EN 1751 with counter-acting, linked, plastic-mounted sectional vanes with sealing lip; leaktightness class 2, maximum leakage rate 40 l/m²/s, linkage and actuating levers for manual actuation or motor drive - Flexible connection Combined mixing box and filter section for KG/KGW Top 21 - 380 Pull-out filter frame with V-shaped, regenerable filter-mat insert, class G4 insert made of polyester fibre, filter frame pulls out to side, inspection door on operator side, opening with tool and integrated grab handle. Short filter...

12 KG/KGW Top Unit description Unit description On request - Inspection port, double-windowed Ø min. 150 mm - 24 V lighting Steam-humidifier empty section Humidifier chamber with corrosion-resistant insulated aluminium condensation tray draining on all sides to 1 ¼“ drain adapter (1 ½” in KG /KGW Top 450 and larger) integrated in side of frame for continuous, complete drainage of condensation water. On request - Splashproof lighting (transparent RFG-plastic, 230 V/60 W), accessible from outside, thermometer, pressure gauge, slurry remover, shielding for darkening inspection port, walkway, automatic...

13 KG/KGW Top Unit description Unit description Heat recovery On request - Siphon with check valve and self-primer, loose - Plates coated on both sides - Bypass model: integrated recirculating-air damper - KG Top 170 to 1000 models: Plate-type heat exchanger is of split design for easier on-site installation Cross-flow heat exchanger, type KGXD KGXD cross-flow heat exchanger with integrated bypass, horizontal version (for horizontal/ horizontal air flow) or upright version (for diagonal air flow). Recuperative heat and cold recovery as per VDI 2071 by corrosion-resistant specialaluminium plates....

14 KG/KGW Top Unit description Unit description On request - KR4 or KR7 rotor speed regulator - Rotor monitor - Condensation tray Heat wheel heat exchanger, type RWT Condensation rotor for optimum utilization of the sensible thermal energy in the exhaust air. Upright or horizontal installed position, sturdy frame structure. Low weight and easy accessibility of all components. Rotor made of corrosion-resistant aluminium alloy, wound in wavy and smooth layers for laminar air flow. Frame and rotor mass separate if casing size is greater than 2200 mm, for assembly on site. Purging chamber to prevent...