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Summary of Contents for Vents NK Series
- Page 1 USER’S MANUAL VENTS NK duct heater...
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Page 2: Table Of Contents
Duct heater CONTENTS Safety requirements ...........................2 Purpose ................................4 Delivery set ...............................4 Designation key .............................4 Technical data ..............................5 Unit design and operating logic .......................11 Mounting and set-up ..........................12 Connection to power mains ......................14 Technical maintenance ..........................20 Storage and transportation regulations..................20 Manufacturer’s warranty ........................ - Page 3 • Do not operate the unit outside the • Do not use damaged equipment or cables temperature range stated in the user’s manual. • Do not operate the unit in aggressive or when connecting the unit to power mains. explosive environments. •...
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Page 4: Purpose
Duct heater PURPOSE ТТ Сайлент М Д ХХХ - Х Х Duct heaters are designed for heating of intake fresh air transported through the ventilating system. The unit is a component part and is not designed for independent operation. Е - однофазный Д... -
Page 5: Technical Data
TECHNICAL DATA The unit is designed for indoor application at ambient temperature from -30 °C up to +50 °C and relative humidity up to 80 %. The heater is rated as a class I electric appliance. Ingress protection rating against access to hazardous parts and water ingress is IP40. The heater design is constantly improved, so some models may slightly differ from the ones depicted herein. - Page 6 Duct heater Dimensions [mm] Heater model NK 160-2,0-1 NK 160-2,4-1 NK 160-3,4-1 NK 160-3,6-3 NK 160-5,1-3 NK 160-6,0-3 NK 200-1,2-1 NK 200-1,7-1 NK 200-2,0-1 NK 200-2,4-1 NK 200-3,4-1 NK 200-3,6-3 NK 200-5,1-3 NK 200-6,0-3 NK 250-1,2-1 NK 250-2,0-1 NK 250-2,4-1 NK 250-3,0-1 NK 250-3,6-3 NK 250-6,0-3...
- Page 7 MAIN TECHNICAL PARAMETERS OF HEATERS FOR ROUND DUCTS Number of electric Current Minimum air flow Heater model Power [kW] Number of phases Voltage [V] heating elements x Weight [kg] power [kW] NK 100-0,6-1 1x0.6 NK 100-0,8-1 1x0.8 NK 100-1,2-1 2x0.6 NK 100-1,6-1 2x0.8 NK 100-1,8-1...
- Page 8 Duct heater А OVERALL AND CONNECTING DIMENSIONS OF HEATERS FOR RECTANGULAR DUCTS Dimensions [mm] Heater model NK 400x200-4,5-3 NK 400x200-6,0-3 NK 400x200-7,5-3 NK 400x200-9,0-3 NK 400x200-10,5-3 NK 400x200-12,0-3 NK 400x200-15,0-3 NK 500x250-6,0-3 NK 500x250-7,5-3 NK 500x250-9,0-3 NK 500x250-10,5-3 NK 500x250-12,0-3 NK 500x250-15,0-3 NK 500x250-18,0-3 NK 500x250-21,0-3...
- Page 9 Dimensions [mm] Heater model NK 500x300-21,0-3 NK 600x300-9,0-3 NK 600x300-12,0-3 NK 600x300-15,0-3 NK 600x300-18,0-3 NK 600x300-21,0-3 NK 600x300-24,0-3 NK 600x350-9,0-3 NK 600x350-12,0-3 NK 600x350-15,0-3 NK 600x350-18,0-3 NK 600x350-21,0-3 NK 600x350-24,0-3 NK 700x400-18,0-3 NK 700x400-27,0-3 NK 700x400-36,0-3 NK 800x500-27,0-3 NK 800x500-36,0-3 NK 800x500-54,0-3 NK 900x500-45,0-3 1040...
- Page 10 Duct heater MAIN TECHNICAL PARAMETERS OF HEATERS FOR RECTANGULAR DUCTS Number of electric Number of Current Minimum air Weight Heater model Power [kW] Voltage [V] heating elements x phases flow [m [kg] power [kW] NK 400x200-4,5-3 3x1.5 NK 400x200-6,0-3 3x2.0 NK 400x200-7,5-3 3x2.5 10.9...
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Page 11: Unit Design And Operating Logic
UNIT DESIGN AND OPERATING LOGIC The heaters (see the figure below) consist of a casing with a rigidly fixed connecting box that is with the removable cover. The tight seals are located at the external side of the connection box for routing of supply, control and ground cables. The heating elements are located inside the casing. -
Page 12: Mounting And Set-Up
Duct heater MOUNTING AND SET-UP READ THE USER’S MANUAL PRIOR TO MOUNTING THE UNIT. THIS USER’S MANUAL IS INTENDED FOR USE ONLY BY QUALIFIED PROFESSIONALS. ALL OPERATIONS DESCRIBED IN THIS USER’S MANUAL MUST BE PERFORMED BY QUALIFIED PERSONNEL ONLY, PROPERLY TRAINED AND QUALIFIED TO INSTALL AND MAINTAIN VENTILATION EQUIPMENT. - Page 13 In case of triggering of the thermoswitch with manual reset: • interrupt the power supply to the heater; • rectify the fault in the ventilation system; • remove the cover from the connection box and press the RESET button to restore the switch to the original position. CONNECTING ROUND AIR DUCTS TO THE HEATER The heater is designed for internal installation into air ducts in the horizontal or vertical position.
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Page 14: Connection To Power Mains
Duct heater CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER CAREFUL READING OF THE PRESENT USER’S MANUAL. - Page 15 WIRING DIAGRAM OF THE HEATER WITH TWO ELECTRICAL HEATING ELEMENTS AND SINGLE-PHASE POWER SUPPLY T° T° RESET E1, E2 WIRING DIAGRAM OF THE HEATER WITH THREE ELECTRICAL HEATING ELEMENTS AND SINGLE-PHASE POWER SUPPLY T° T° RESET E1, -E2, -E3 www.ventilation-system.com...
- Page 16 Duct heater WIRING DIAGRAM OF THE HEATER WITH THREE ELECTRICAL HEATING ELEMENTS AND THREE-PHASE POWER SUPPLY RESET RESET T° T° RESET www.ventilation-system.com...
- Page 17 WIRING DIAGRAM OF THE HEATER WITH SIX ELECTRICAL HEATING ELEMENTS AND THREE-PHASE POWER SUPPLY, STAR CONNECTION AND THERMAL PROTECTION CONTACTS LEADED OUTSIDE T° T° RESET WIRING DIAGRAM OF THE HEATER WITH SIX ELECTRICAL HEATING ELEMENTS, THREE-PHASE POWER SUPPLY, DELTA CONNECTION AND THERMAL PROTECTION CONTACTS LEADED OUTSIDE Т°...
- Page 18 Duct heater WIRING DIAGRAM OF THE HEATER WITH ONE ELECTRICAL HEATING ELEMENT, SINGLE-PHASE POWER SUPPLY AND TIME-DELAY RELAY Heater T° T° RESET WIRING DIAGRAM OF THE RECTANGULAR HEATER WITH THREE ELECTRICAL HEATING ELEMENTS, THREE-PHASE POWER SUPPLY, STAR CONNECTION AND TIME-DELAY RELAY L1 L2 L3 Heater T°...
- Page 19 WIRING DIAGRAM OF THE RECTANGULAR HEATER WITH THREE ELECTRICAL HEATING ELEMENTS, THREE-PHASE POWER SUPPLY, DELTA CONNECTION AND TIME-DELAY RELAY L1 L2 L3 Heater Т° Т° RESET E1...E3 WIRING DIAGRAM OF THE RECTANGULAR HEATER WITH THREE ELECTRICAL HEATING ELEMENTS, THREE-PHASE POWER SUPPLY, STAR CONNECTION AND TIME-DELAY RELAY L1 L2 L3 Heater T°...
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Page 20: Technical Maintenance
Duct heater TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS WITH THE UNIT. The heaters shall be operated and maintained by duly qualified experts. Check the following conditions during the unit maintenance: • Inspection of screw connections as well as rivet and welded joints; •... -
Page 21: Manufacturer's Warranty
MANUFACTURER’S WARRANTY The manufacturer hereby warrants normal operation of the unit for 24 months after the retail sale date provided the user’s observance of the transportation, storage, mounting and operation regulations. Should any malfunctions occur in the course of the unit operation through the Manufacturer’s fault during the guaranteed period of operation the user is entitled to elimination of faults by the manufacturer by means of warranty repair at the factory free of charge. -
Page 22: Acceptance Certificate
Duct heater ACCEPTANCE CERTIFICATE Unit type Duct heater Model NK _____________________________ Serial Number Manufacture Date Is compliant with the technical specifications and is recognized as serviceable. We hereby declare that the product complies with the essential protection requirements of Electromagnetic Council Directive 2004/108/EC, 89/336/EEC and Low Voltage Directive 2006/95/EC, 73/23/EEC and CE-marking Directive 93/68/EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility. - Page 23 www.ventilation-system.com...
- Page 24 V09EN-08...
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