MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel

MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel (2015)

Job


  • Replace the contactor weak condition
  • Fix the jumper jumper cables

Job Detail


  • Check the wiring and does the system work
  • Check the performance of the contactor
  • If found damaged then need to be replaced
  • Test is the system

Result

  • This jumper cable is "com.-24VDC" which standby and indeed like this design is wrong in this system. running signal should be in the NO contact is not NC contact.
  • Contactor 88cx1,88cx2 and 88cx3 is aux.relay for circu pump running how it works if circu pump running aux relay will work and "YC /com.-24VDC" connected with "Y185 -Y192" to send a signal that the pump in running condition
  • Check the performance of the contactor, contactor condition "88CY1,88CY2 & 88CY3" is less strong magnetic pull and aux contact does not work optimally. This contactor needs to be replaced

Documentation

MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Cable Jumper
MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Cable Jumper
MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Check Aux Contact
MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Check Aux Contact
MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Check wiring
MT MTG 4 Aux Contactor Circulation Pump HTB Control Panel Check wiring

MT MTG 4

MT MTG 4
MT MTG 4