Sterlco Upright High Temperature Heat Transfer - Manual (Page 11)

Upright Portable Hot Oil TCUs Chapter 2: Functional Description 11
Electrical Features
• Non-fused lockable rotary disconnect
• Branch circuit fusing
• NEMA 12 electrical enclosure
• UL listed subpanel
Controller Features
• M2B+ microprocessor controller with fuzzy logic; includes diagnostic features with
indicator and warning status lights
• System status graphic display
• Low level alarm for reservoir
• Audible alarm
• 5 year warranty on controller
2-4 Options
Options marked with “*” indicate options that can be factory installed or retrofitted in the
field.
• Drain valve
• Hour meter; measures total pump run time hours
• General fault visual alarm
• Autovent sequence; deducts available
• Low level alarm; deducts available
• High level indicator light
• Manual bypass; deducts available
• M2B+ microprocessor controller options include:
• 4-20 mA remote set point and retransmission
• SPI protocol, RS-485
• General protocols, types RS-232, -485
• Remote sensor; 10 Ft. (3m)
• Heat exchanger options of 3.9 sq. ft. (0.3627 sq. m) and 6.7 sq. ft. (0.6231 sq. m)
• Remote controller
• Lexan cover
• Optional operating voltages of 208/3/60, 230/3/60, 575/3/60, 380/3/50, and 415/3/50