Operating manual
Flow monitor for use in railway vehicles
UB1, UBX, CRH
Save for later reference.
www.ghm-group.de
Company / brands of GHM
English
Страница 1: ...Operating manual Flow monitor for use in railway vehicles UB1 UBX CRH Save for later reference www ghm group de Company brands of GHM English ...
Страница 2: ... Configuration of the devices UB1 UBX and CRH 3 3 1 Intended use 3 4 Assembly and installation 4 4 1 Mechanical assembly 4 4 2 Electrical installation 5 4 3 Electrical connection PG cable screw fitting 5 4 4 Contact protection measures for devices with switches 5 5 Controls and functions 6 5 1 Function adjustment 6 6 Commissioning operation and maintenance 7 6 1 Commissioning 7 6 2 Operation 7 6 3...
Страница 3: ...plication A flow volume can be monitored with the flow monitors UB1 UBX and CRH A change to the flow volume causes a status change of the microswitch electrical component A minimum supply safeguard can be achieved as the flow rate decreases It is also possible to monitor increasing flow values 2 1 The listed standards and directives apply for products with an electrical connection 2 If nothing dif...
Страница 4: ...e paddle is already mounted it is protected with a protective tube 3 1 Intended use 3 A different circuit diagram can accompany special devices 3 Configuration of the devices UB1 UBX and CRH The flow monitor detects the volume flow in fluid media and actuates the microswitch according to the flow rate The device must be used exclusively for the media specified in the product information The device...
Страница 5: ...ng welding of process connections in order to prevent damage the device can be installed horizontally or vertically see product information The installation position has an influence on the switching point due to the mass of the paddle elements With use of the UB1 in a pipe with diameter DN 25 the paddle Fig 3 must be shortened at the identified dividing line Pos 1 The paddle is fastened with the ...
Страница 6: ...rk electric arc is generated when an electrical contact is opened There are two ordinary protective circuits for reduction of the self induction voltage With AC voltage the Reed switch is protected with an R C link With an inductive load and DC voltage the Reed switch can be protected with a recovery diode e g 1N4007 Contact protection with capacitive load Capacitive loads are predominantly genera...
Страница 7: ...itch The desired switching value can be adjusted with an adjusting screw after removal of the housing cover for the devices UB1 UBX and CRH Fig 11 and 12 For the device UB1 Fig 13 unscrew the Allen screw Pos 1 Slide the switching unit Pos 2 until the desired switching point is reached Re tighten the Allen screw Pos 1 Replace the cover 7 Observe the notices of the accompanying product information f...
Страница 8: ...ivation point hysteresis11 activation point Check whether the device switches on The pump output must be sufficient to actuate the contact The pressure upstream from the flow monitor must be above the value of the pressure loss caused by free outflow Ensure that the assembly and electrical connection are carried out correctly Ensure that protective devices are re installed recommissioned 6 2 Opera...
Страница 9: ...dium are affixed on the outside of the packaging Separation by material and recycling of device components and packaging must take place at the time of disposal The valid legal regulations and directives applicable at the time must be observed The device may not be disposed of with household waste If the device should be disposed of return it to us with the return shipment form filled in under sec...
