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100 to 200 F. Electronic Temperature Controller (Johnson Controls)

Price: $169.88
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100 to 200 F Temperature Controller (Johnson Controls)

The A319 Series is a line voltage, single-stage
electronic temperature control with Single-Pole,
Double-Throw (SPDT) relay output and LED indication.

The A319 features heating or cooling modes of
operation, adjustable cut-in, adjustable differential, and
an interchangeable temperature sensor.
The A319
couples electronic accuracy with remote sensing
capability in a NEMA 1 high-impact plastic enclosure
suitable for surface or DIN rail mounting.

Application Overview

The A319 can be used to control a wide variety of
single-stage refrigeration or HVAC equipment.

Typical applications include:

l frozen/refrigerated food cases

l compressor lockout (disables compressor when
temperature exceeds limits)

l beverage/milk coolers

l condenser fan cycling

l boiler control

l pump control (cooling towers)

l space and return air temperature control

l immersion sensing for actuation of hot water and
steam valves in heating applications (well

Cut-in: The point at which the N.O. (Normally
Open) contact closes. Equal to the dial
setting of the A319.

Cut-out: The point at which the N.O. contact

Cut-in Adjustment

With the jumper block in either the heating or cooling
position, the relay is energized and the N.O. contacts
will close when the sensed temperature reaches the
cut-in temperature.

Replaces Part Numbers:


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