CWF, BWF, RWF
3-phase without neutral (star – e.g. 380 to 415V)
e
l
e
m
e
n
t
(s)
e
l
e
m
e
n
t
(s)
F1
L2
L3
F2
L1
PE
Filter (if fitted)
e
l
e
m
e
n
t
(s)
47k
contactor
transformer
coil
temperature
controller
thermocouple
overtemp.
controller
thermocouple
SSR
heat
on
Supply light &
Instrument Switch
F2
F3
if over-
temperature
fitted
safety switch
47k
heat
on
F3
F3
heat
on
47k
SSR
In this configuration the fuses F2 on the supply side of the transformer may be GEC
Safeclip, not 32 x 6mm glass as stated in section 8.1.
8.0
14
MF02
