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Table of Contents
Troubleshooting
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Summary of Contents for SystemAir MRH 450
- Page 1 Installation and Operating Instructions for English Originalversion...
- Page 2 Please consider the fact that our products are subject to a natural wear and ageing process. All rights are with Systemair, also for the event of applications for protective rights. Any powers of use, such as copying and forwarding rights, are with us.
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Page 3: Table Of Contents
Contents Commissioning ..........11 General information ........4 List of information ........4 Operation ..........12 1.1.1 Specific safety symbols ......... 4 Operation/use generally ......12 1.1.2 List of instructions for action ......5 Emergency use (use in case of fire) ..... 12 Notes on the documentation ...... -
Page 4: General Information
General information General information List of information DANGER Direct danger Failure to comply with this warning leads directly to death or to serious bodily harm. WARNING Possible danger Failure to comply with this warning potentially leads to death or to serious bodily harm. CAUTION Hazard with a low risk Failure to comply with this warning potentially leads to moderate injuries. -
Page 5: List Of Instructions For Action
Important safety information WARNING Hazard from hot surface! This warning identifies situations with a danger from overheating. Failure to comply with this warning po- tentially leads to property damage. 1.1.2 List of instructions for action Instruction for action Instruction for action with fixed order Carry out this action. -
Page 6: Work On The Electrical Equipment
Warranty 2.2.2 Work on the electrical equipment Work on the electrical equipment of the fan may only be done by a qualified electrician or electro technically edu- cated person. This person must know the relevant safety rules to recognise and avoid potentially risks. 2.2.3 Personnel for operation, use, maintenance and cleaning ... -
Page 7: Transport, Storage
Transport, storage Transport, storage Transport Each device leaves our plant in an electrically and mechanically proper condition. The devices are delivered in wooden crates or on pallets. We recommend transporting the fans to the installation site in original packaging. WARNING Hazard of impact if the device falls down! ... -
Page 8: Description
900 - 1000 1120 1120 1000 * Impeller diameter corresponds to MRH size Dimensions Please see Appendix 1 or www.systemair.com. Installation Safety information WARNING Hazard from falling parts! Check the roof before installation for load capacity/strength. When selecting the hoisting device and fitting material observe the weight, tendency to vibrations and shear forces (weight information on the nameplate). -
Page 9: Electrical Connection
Install connecting ducts and accessories. The suction side of the fan is provided with a connection for flange-type mounting of the air duct according Eurovent 1/2, dimensions see Appendix 1 or www.systemair.com. Provide for contact/suction protection and safety distances according to EN ISO 13857. -
Page 10: Residual Current Circuit Breaker
Commissioning WARNING Hazard from electrical voltage! Electrical connection only by a trained electrician rsp. trained and instructed qualified personnel! Electrical connection in accordance with the valid regulations. Prevent the ingress of water into the connection box. Observe 5 safety rules for the electrical expert! disconnect from the power supply (all-pole), prevent switching on again, test absence of voltage,... -
Page 11: Commissioning
Commissioning Commissioning WARNING Hazard from electrical voltage! Commissioning by trained and instructed qualified personnel only! Check: service switch of the fan is in off position and the actuator`s service switch is in 0 (middle) position. Check also the instructions of the fan – since different fans can be built in, different requirements could ap- ply. -
Page 12: Operation
Operation DANGER Hazard from crushing/shearing by the hatch cover! The hatch cover can be stopped in any position by turning the actuator`s service switch to middle (0) posi- tion. Check the functioning of system – observe instructions of actuator, especially intermittence and time of pres- ence of control voltage (see also Appendix 4). -
Page 13: Dual Use Of Hatch + Fan (Daily Powered Ventilation + Emergency Use)
Operation Dual use of hatch + fan (daily powered ventilation + emergency use) In addition to serially equipped device it is necessary to provide following safety measures: Protective guard to completely prevent access to opened/closed hatch cover – it is to provide by installer up to roof design. -
Page 14: Maintenance/Troubleshooting
Maintenance/troubleshooting Maintenance/troubleshooting DANGER Hazard from touching impeller, if not covered with protective grid! The outlet protective grid is serially provided. At maintenance and service observe: Impeller must stand still; Electrical circuit must be interrupted and secured against restarting; ... -
Page 15: Malfunctions And Troubleshooting (Generally)
Maintenance/troubleshooting 10.1 Malfunctions and troubleshooting (generally) Possible reasons Action The ventilator Connection to the mains fault. Check connection to the mains and thermal protection. If does not run Thermal protection triggers. ok. check electric motor (winding resistance, resistance to Motor fault. ground). -
Page 16: Spare Parts
Maintenance/troubleshooting Maintenance and check points of fans similarly to VDMA 24186-1 (type, scope and maintenance intervals to be speci- fied in dependence of use and operating conditions). VDMA Description Maintenance interval 24186-1 Monthly Every Once 3 months a year Fan and electric motor of the fan 1.1.11 Check the drainage for function ×... -
Page 17: Uninstalling/Dismounting
Uninstalling/dismounting Uninstalling/dismounting DANGER Hazard from crushing/shearing by the hatch cover! The hatch cover can be stopped in any position by turning the actuator`s service switch to middle (0) posi- tion. WARNING Hazard from electrical voltage! Disconnection and uninstalling only by a trained electrician or trained and instructed qualified person- nel! ... -
Page 18: Appendix 1: Dimensions
Appendix 1: Dimensions Lifting eye position MRH 06.04.2017... -
Page 19: Appendix 2: Installation Examples
Appendix 2: Installation examples 1 - Three height positions of sidebars (0, 250, 500 mm from the bottom); 2 - The sidebars adjust to the roof pitch and fasten all bolts (2 or 3 bolts each sidebar, depending on the sidebar position);... - Page 20 Possible vertical positions and adjustment of sidebars to roof pitch 1 2 3 4 5 400 - 630 0 – 12° 0 – 12° 0 – 2° min 21° max. 33° 1 2 3 4 5 710, 800 0 – 12° 0 –...
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Page 21: Appendix 3: Wiring Diagram, Connection
Appendix 3: Wiring diagram, connection Y 400V…STARTING, D 400V…OPERATION (PTC could be an option!) Single speed motor >= 5,5 kW See IMO, Chapter 7 930637 DVAX, DVAX-BPN, DVAX-BPF 1000D4-S MZ0651800777 DVAX, DVAX-BPN, DVAX-BPF 1120D6-M AXC(B), AXC(F) <=7,5 kW M25x1,5 Power supply d max. -
Page 22: Appendix 4: Connection Of Actuator
Appendix 4: Connection of actuator 930712 MZ0551801582 Connection of actuator in the actuator`s service switch * connect to 24VDC (+30/-20%) ** NO/NC are intended to control position of the actuator`s service switch (ON - OFF) Warning: the control voltage 24VDC to open or close hatch cover should apply max. 6 minutes! This is to ensure by control system (use actuator`s internal floating limit switches as indication of cover position to cut off the control voltage). -
Page 23: Appendix 5: Mechanical Hazards, Safety Warnings
Appendix 5: Mechanical hazards, safety warnings DANGER Hazard from touching impeller, if not covered with protective grid! The outlet protective grid is serially provided. DANGER Hazard from crushing/shearing by the hatch cover! The hatch cover can be stopped in any position by turning the actuator`s service switch to middle (0) posi- tion.
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