2. Installation, Piping, and Wiring
78
TI 11B08A01-01E
.
L N
ELECTRIC
CIRCUIT
L
3
N
HEATER
ANNUNCIATOR
L N
ELECTRIC
CIRCUIT
L N
HEATER
L N
* *
HEATER
2 1
COMNO NC
6 5 4
COMNO NC
SYSTEM ALARM
3 2 1
COMNO NC
6 5 4
COMNO NC
L N
HEATER
!!
Top view of the protection system
without the cover
Power supply for electric circuit and heater
Contact output for system alarm 1
Contact output for annunciator
Power supply for heater
Front view
Contact for annunciator
Contact for system alarm 1
Ferrite core
(provided for
ATEX, IECEx,
or NEPSI)
Position when the cable
O.D. exceeds 13 mm
Power supply for electric circuit and heater
Power supply for heater
*: Grounding is possible from any
one of the three terminals.
Protection-film cover
for wiring
Figure 2.21
CAUTION
Use heat-resistant cables with maximum allowable temperature of 80°C or above.
Sep. 07, 2017-00
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