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Summary of Contents for BLAUBERG Centro-Jet Dual 12N EC
- Page 1 Impulse centrIfugal fan centro-Jet Dual USER'S MANUAL...
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Page 2: Table Of Contents
centro-Jet Dual www.blaubergventilatoren.de CONTENTS Safety requirements ..................................3 Purpose ........................................ 4 Delivery set ......................................4 Designation key ....................................4 Technical data ....................................5 Design and operating principle ............................6 Mounting and set-up .................................. 7 Connection to power mains ..............................8 Commissioning .................................... -
Page 3: Safety Requirements
centro-Jet Dual www.blaubergventilatoren.de SAFETY REQUIREMENTS All operations described in this manual must be performed by qualified personnel only, properly trained and qualified to install, make electrical connections and maintain ventilation units. Do not attempt to install the product, connect it to the mains, or perform maintenance yourself. This is unsafe and impossible without special knowledge. -
Page 4: Purpose
centro-Jet Dual www.blaubergventilatoren.de PURPOSE Impulse centrifugal fan Centro-Jet Dual is designed to be used in closed rooms with a low ceiling, as well as in ventilation systems of underground parking lots or tunnels. The product creates a high-pressure jet of air, which directs stale air out of the room to ventilation shafts. Transported air must not contain any flammable or explosive mixtures, evaporation of chemicals, sticky substances, fibrous materials, coarse dust, soot and oil particles or environments forming hazardous substances, for example, toxic substances, dust, pathogenic germs. -
Page 5: Technical Data
centro-Jet Dual www.blaubergventilatoren.de TECHNICAL DATA The unit is rated as a class I electric appliance. The fan motor’s ingress protection rating against access to hazardous parts and water ingress is IP55. The fan design is constantly being improved, thus some models may be slightly different from those described in this manual. 9,1 x 4... -
Page 6: Design And Operating Principle
centro-Jet Dual www.blaubergventilatoren.de DESIGN AND OPERATING PRINCIPLE The unit’s casing is made of polymer-coated steel. Protective grilles are installed on the fans’ suction side to prevent the ingress of foreign objects. A deflector is installed on the air supply side for proper distribution of air and increased draft. Depending on the unit’s configuration, asynchronous or electronically commutated motors are used. -
Page 7: Mounting And Set-Up
centro-Jet Dual www.blaubergventilatoren.de MOUNTING AND SET-UP 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. DO NOT ATTEMPT TO INSTALL THE PRODUCT YOURSELF. IT IS UNSAFE AND IMPOSSIBLE WITHOUT SPECIAL KNOWLEDGE WHILE INSTALLING THE UNIT ENSURE CONVENIENT ACCESS FOR SUBSEQUENT MAINTENANCE AND REPAIR. -
Page 8: Connection To Power Mains
centro-Jet Dual www.blaubergventilatoren.de CONNECTION TO POWER MAINS DISCONNECT THE 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 9: Commissioning
Dual www.blaubergventilatoren.de Wiring diagrams Centro-Jet Dual 12N EC Centro-Jet Dual 12N AC +10V +10V 0-10V TACHO 1 TACHO / fan 1 TACHO 2 TACHO / fan 2 COMMISSIONING • After starting the product make sure that the electric motors rotate properly without undue vibration and abnormal noise. -
Page 10: Technical Maintenance
centro-Jet Dual www.blaubergventilatoren.de TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATIONS! MAKE SURE THE UNIT IS DISCONNECTED FROM POWER MAINS BEFORE REMOVING THE PROTECTION. PRIOR TO COMMENCING ANY TECHNICAL MAINTENANCE PUT UP A PROHIBITORY SIGN ON THE FAN STARTING PANEL: “DO NOT SWITCH ON! MEN AT WORK!”... -
Page 11: Troubleshooting
centro-Jet Dual www.blaubergventilatoren.de Possible faults and troubleshooting Trouble Possible reasons Troubleshooting The fan will not start. No power supply. Check the automatic circuit breaker. Check the electric connections. Jammed motor. Make sure that the cause is a jammed fan impeller and solve it. -
Page 12: Storage And Transportation Regulations
centro-Jet Dual www.blaubergventilatoren.de Trouble Possible reasons Troubleshooting The fan supplies less air than Wrong choice of the fan. Re-calculate the network parameters and select a expected. matching fan. Wrong direction of the impeller rotation. Change the impeller rotation direction by changing the phase sequence on the electric motor terminals (see the “Commissioning”... - Page 13 centro-Jet Dual www.blaubergventilatoren.de The warranty repair does not include: • routine technical maintenance • unit installation/dismantling • unit setup To benefit from warranty repair, the user must provide the unit, the user's manual with the purchase date stamp, and the payment paperwork certifying the purchase.
- Page 14 centro-Jet Dual www.blaubergventilatoren.de...
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Page 15: Certificate Of Acceptance
centro-Jet Dual www.blaubergventilatoren.de CERTIFICATE OF ACCEPTANCE Unit Type Impulse centrifugal fan Model Serial Number Manufacture Date Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are acknowledged and accepted. - Page 16 www.blaubergventilatoren.de B296EN-01...
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