Carbolite GPC Series - Manual (Page 12)

GPC
12
MF04 3.29
7.0 C IRCUIT D IAGRAMS
In all GPC models the safety switch in the diagram is a positive-break door switch.
EMC Filters (if fitted): dependent on the model there may be one filter, or more than one fitted in
parallel. The circuit diagram examples do not show multiple filter arrangements.
ISOLATOR: the industrial models have an internal isolator which is not shown in these diagrams.
7.1 Single Phase
7.2 3-phase with neutral
e
l
e
m
e
n
t
(s)
e
l
e
m
e
n
t
(s)
F1
N
L2
L3
F2
L1
PE
e
l
e
m
e
n
t
(s)
Instrument Switch
coil
temperature
controller
thermocouple
overtemp.
controller
thermocouple
Safety switch
SSR
heat
on
F3
SSR
SSR
heat
on
F3
heat
on
F3
Filter(s) (if fitted)
if fitted
e
l
e
m
e
n
t
(s)
e
l
e
m
e
n
t
(s)
F3
F1
N
F2
L
PE
e
l
e
m
e
n
t
(s)
Instrument Switch
coil
temperature
controller
thermocouple
overtemp.
controller
thermocouple
Safety switch
SSR
heat
on
F3
SSR
SSR
heat
on
F3
heat
on
F3
Filter
(if fitted)
if fitted
contactor
contactor
note on 3-phase: depending on filter(s) fitted, there may be 3 separate
neutral wires from the elements to the neutral supply.
for GPC -/36 see 7.6 and section 2.6
for GPC -/36 see 7.6 and section 2.6