Soft Starter Wiring and Control Circuit
Please see the below image regarding the Soft Starter Control Circuit and take note of the following:
- EMHEATER Soft Starters are NPN Mode (PNP and NPN sensors are both supplied with positive and negative power leads and produce a signal to indicate an “on” state. PNP sensors produce a positive output to industrial controls input, while NPN sensors produce a negative signal during an “on” state).
- Terminals 7 to 10: Use Dry Contacts (Internal Control Voltage = 12VDC)
- For installation without any external controls, connect Terminals 7, 8 and 10 (otherwise the Soft Starter cannot start up and will show Err01)
Please see the below image regarding the Soft Starter Wiring options (with or without Bypass Contactor):
* Note that when using a bypass contactor together with the GW Series Soft Starter: When in running mode (bypass mode), the Soft Starter do not offer protection to the motor (Overcurrent and Phase Loss) – when using a GS Series (bypass contactor always required), the GS Series Soft Starter still offers protection when in running mode (while in bypass mode).
