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2-4 Power Wiring
The unit is supplied to operate at 11-26 VAC / VDC or 90-
264VAC.Check that the installation voltage corresponds with the
power rating indicated on the product label before connecting
power to the unit.
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2
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5
This equipment is designed for installation in an
enclosure which provides adequate protection against electric
shock. The enclosure must be connected to earth ground.
Local requirements regarding electrical installation should be rigidly
observed. Consideration should be given to prevent from
unauthorized person access to the power terminals.
2-5 Sensor Installation Guidelines
Proper sensor installation can eliminate many problems in a control
system. The probe should be placed so that it can detect any
temperature change with minimal thermal lag. In a process that
requires fairly constant heat output, the probe should be placed
closed to the heater. In a process where the heat demand is variable,
the probe should be closed to the work area. Some experiments with
probe location are often required to find this optimum position.
Fuse
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7
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Figure 2-4
10
Power Supply Connections
UM0L911C
90
~
264 VAC or
~
11
26 VAC / VDC
25
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