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4.0 2132 Over-Temperature
4.0 2132 Over-Temperature Controller Description (if
fitted)
4.1
Description
This over-temperature controller is fitted and supplied ready to use by Carbolite Gero.
It is a digital instrument with a latching alarm, requiring no additional panel controls.
The controller features easy setting of over-temperature setpoint and reading of current
temperature by the over-temperature sensor.
4.2
Operation
4.2.1 Controls
Most Carbolite Gero products are fitted with an instrument switch which cuts off power
to the controller and other parts of the control circuit.
To operate the controller, power must be supplied to the product and the instrument
switch must be on. If a time switch is included in the product circuit, this must be in the
'ON' position.
When an over-temperature condition occurs, the controller cuts the power to a
contactor, which in turn cuts power to the heating elements. Power is not restored until
the controller is 'reset'.
Some components will operate after the over-temperature feature isolates the power
supply e.g. cooling fans will continue to operate, provided that there is a power supply
to the product. In some cases the product may not do so, if other options (such as a
door switch) are fitted.
10
Key
A
Alarm Light
B
Page
C
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D Down
E
Up
F
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