Twite Instruments designs and manufactures control systems for the industrial refrigeration industry.

The main control system consists of TempScan that can control up to 100 rooms/cabinets 27 compressors and 12 condensers with up to 200 temperature inputs and up to 15 pressure inputs to control up to 5 systems/racks. Using SCADA software to control locally or remotely.

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TempScan (Panel Mount):

TempScan model A-32 is a complete system controller that can control up to 100 rooms/cabinets, 27 compressors, 12 condensers and 5 liquid pumps in up to 5 systems/racks.
Up to 200 temperatures can be monitored and data logged.

CompScan Screw Compressor (Panel Mount):

CompScan model A-32-S can control any type of screw compressor available on the market. Inputs and outputs allow for digital or 4-20ma control and indications.

MultiScan DX Model:

MultiScan models TD-32-E and TD-32-ME are single room controllers that controls the liquid solenoid using a pulse valve in a DX system using the super heat of the evaporator to control the valve. Also model TD-32-ME can control a recip compressor and condenser.

CompScan Reciprocating Compressor (Panel Mount):

CompScan model A-32-R can control any type of reciprocating compressor available on the market. Up to 4 stages may be controlled.

TD-32 MultiScan Series:

The TD-32 Series are DIN rail mount units for:
Complete single room control,
DX control for up to 4 evaporators in one room,
Screw compressors and reciprocating compressors
Condensers, standard & 3C/Dricon. .

SCADA Software :

TempScan SCADA software can provide computer control of all set points and data logging retrieval from the TempScan locally or remotely.

Southern Cross
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