6
Watlow Series 935A User’s Manual
Begin Controlling
1. Apply power to the system.
A properly-wired Series 935A will begin controlling the thermal system as soon as you apply power to it.
2. Look at the Series 935A’s display. It is reading actual temperature, set point temperature, or time.
• To change set point, go to p. 7.
• The Series 935A will auto-tune when you tell it to, go to p. 32.
• If you see an error, go to p. 8.
System
Power
RDY
2
1
SET
Figure 3 - Begin Controlling
