Carbolite CFM MODELS Руководство по установке, эксплуатации и техническому обслуживанию - Страница 13

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C
D
IRCUIT
IAGRAMS
Safety switches: where the furnace rating is over 16A, there is a single switch in the contactor coil
circuit, and the double switch shown is not present.
7.1
Single Phase
Filter (if fitted)
F1
F1
N
N
L
L
PE
PE
Supply light
Supply light
Instrument Switch
Instrument Switch
7.2
1400°C Model with Auxiliary Heater
Filter (if fitted)
F1
N
L
PE
Supply light
Instrument Switch
7.3
Higher Voltages
For 254V (or above) an isolating transformer is fitted in the
control circuit after the F2 fuses.
8.0 F
& P
USES
OWER
MF10
F2
F2
overtemp.
overtemp.
controller
controller
temperature
temperature
controller
controller
F2
overtemp.
controller
temperature
controller
auxiliary
controller
S
ETTINGS
contactor
contactor
safety
switch
coil
coil
if o/temp fitted
if o/temp fitted
thermocouple
thermocouple
thermocouple
thermocouple
contactor
safety
switch
coil
if o/temp fitted
thermocouple
SSR
thermocouple
SSR
thermocouple
F3
F3
e
e
l
l
heat
heat
e
e
on
on
m
m
e
e
n
n
t
t
(s)
(s)
F3
F3
SSR
SSR
F3
e
l
heat
e
on
m
e
n
t
(s)
F3
contactor
(o/temp)
a
u
x
F2
transformer
F2
Instrument Switch
CFM
Supply light &
13