Espar Releases New Controllers


Espar Heater Systems has introduced two new controllers, the Multi-Max F1000 for the Hydronic line of engine coolant heaters and the Digi-Max D1000 (pictured here) to ­manage Airtronic D2/D4 bunk heaters. As the company describes it, the Multi-Max F1000 offers maximum sequence control while the Digi-Max D1000 ­provides maximum user control.

The Multi-Max F1000 gives fleets complete control over their pre-heat coolant heaters, taking the driver out of the mix. With a desktop programmer and a Micro SD card slot, the Multi-Max gives tamper-proof control of every aspect of every heater’s operating parameters based on each vehicle’s individual work schedule.

Programming, said to take less than 5 minutes, delivers as many as four distinct events per day, each with a different start and finish time. Through the Micro SD card slot, those same settings can then be used to program multiple vehicle heaters.

The Digi-Max D1000 controller gives drivers maximum control and a larger display screen to accommodate things like constant heater status display, a ­temperature set point with Celsius or Fahrenheit options, and a run-time countdown clock. Problem shut-offs are isolated from routine shut-offs through a ‘check heater’ indicator and simplified diagnostic service messages. There’s also a programmable low-voltage shut-off to prevent early morning calls from drivers in need of a boost.

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