Explosion Proof Wall Mounted Cooling Unit

 Specific Systems Explosion Proof  PLC Control Panel     

 (Multiplexors)

Take control of your HVAC with our multiplexors

This allows additional reMany of our customers require N+1 redundancy 

for the HVAC on their buildings. Our multiplexor control panel is an option 

provided for applications that require multiple HVAC  systems.  dundancy, 

often desired for unattended sites, and provides several standard services including:

Auto-sequencing between systems, based on 24-hr timer

Manual selection of any HVAC system in the circuit

Automatic dual-unit operation – High or low temperature condition

High Temperature Alarm – Form C dry contacts

The multiplexor is a microprocessor based PLC control panel for controlling 

multiple Specific Systems® units. If a failure of the main unit occurs 

(determined through use of multiple sensors inside each unit), the multiplexor 

automatically energizes another system to keep the area pressurized and 

can provide an audible or visible alarm to notify personnel of the failure.