VK2000-build

Firing Control VK-200, Ve-Ka Ovenbouw

Wiring

1. N and single 220volt L via switch; black and blue
2. 2x for the thermocouple - orange cable; white and brown
3. 2x Normally open relays to switch a load contactor
4. Earth wire

On a Harting HAN7Da connector.

Sensor

• Nenniger GmbH, Berlin, Hochtemperatur S-Type Thermocouple

Risks

Inherent

1. Heat runaway (CPU fault, contacts welded)
2. Faulty thermocouple causing heat runaway / instability / cracking
3. Contact with water/leak
4. Material falling onto it / other people working too near / unclear that is hot

Operator driven

1. Flammable material near
2. Hot handles, etc
3. Dust
4. Unclear it is on / hot
5. Opening while hot
6. Bare wire touching
7. Looking into it / infrared radiation