Carbolite VST 17/-- - Manual (Page 13)

1700° Tube
LMF32C – 1.07 13
6.0 C IRCUIT D IAGRAM
6.1 Example - VST 17/--/250
The “safety switch” shown is a “door switch” which cuts power when the furnace case is open.
6.2 LTF Models
As CSC, except that there is no door switch present.
TC temperature
programmer
OTC overtemperature
controller
GR/Y Green/Yellow
R Red
BU Blue
P Pink
G Grey