Fairford Electronics QFE Series, Manual

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21 02/09/2003 Commissioning 2
If the softstart trips on overload during the start, check starter is large enough for the load.
No : Date : Subject :
24 02/09/2003 "Too Hot"
Check ventilation into the cabinet. If the unit has worked for a long time check fans and airflow
through unit.
No : Date : Subject :
Wiring
Category
2 24/06/2002 When replacing star delta starters
If you are planning to re use the existing overload and contactor, ensure they are sized for the full
motor line current and not just for delta phase current.
No : Date : Subject :
8 09/09/2002 Running inside the DELTA 1
The unit must be set to firing mode 1. The current displayed is now the phase current (58% of the
line current).
No : Date : Subject :
11 11/09/2002 Running inside the DELTA 2
When running with firing mode 1 the maximum cable length between the starter and the motor is
reduced to 50M.
No : Date : Subject :
14 02/09/2003 Running inside the DELTA 3
When running in the delta an inline contactor must be used.
No : Date : Subject :
03 September 2003 Page 3 of 3