Carbolite LHT Handbuch für Installation, Betrieb und Wartung - Seite 11

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7.0 C
D
IRCUIT
IAGRAMS
7.1
Single Phase
Filter (if fitted)
F1
N
L
PE
Supply light
Instrument Switch
7.2
Two-phase with Neutral
As 3-phase with neutral (7.4), but with phase L3 not present, and with two SSRs and element
circuits.
7.3
Three Phase with Neutral
Filter (if fitted)
N
F1
L3
L2
L1
PE
Supply light
Instrument Switch
note on 2- or 3-phase: depending on EMC filter, there may be 2 or 3 neutral wires
from the elements to the filter and terminal blocks
MF16
F2
overtemp.
controller
temperature
controller
F2
instrument and fan
circuit as above
circulation
fan
case cooling
fans
(if fitted)
coil
thermocouple
thermocouple
contactor
High Temperature Ovens
relay or
contactor
m
(s)
if o'temp
fitted
SSR
e
l
e
m
e
n
t
(s)
SSR
SSR
SSR
e
l
e
e
n
t
e
e
l
l
e
e
m
m
e
e
n
n
t
t
(s)
(s)
11