9.2
WA-33-31
Connections below show 3-phase +N with indirect safety switches and over-
temperature control.
Key
F1, F2, F3
Fuses
FIL
Filter (if fitted)
C
Controller
TC
Control Thermocouple
OT
Over-Temperature Controller
OTC
Over-Temperature Thermocouple
R
Relay
R1/1, R1/2, R1/3 Relay contactor
SW
Instrument Switch(es)
SSW
Safety Switch
EL
Element
SSR
Solid State Relay
N
Neutral
L
Live
PE
Earth
Cables
BU
Blue
R
Red
BL
Black
GR/Y Green + Yellow
G
Grey
P
Pink
27
9.0 Wiring Diagrams