Nidec Control Techniques HVAC Drive H300 HMI Bypass, Installation And Commissioning Manual

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HMI Bypass Controller Installation and Commissioning Guide 47
Section 6 - Additional Information
6.1 Specifications - HVAC Drive H300 HMI Bypass
The HMI bypass package features a user-friendly application-specific full-color
live-graphics LCD touch screen HMI (Human Machine Interface) to simplify
operation and provide status indication.
6.1.1 Approvals
• VFD Section – UL508C
»
UL Plenum rated
• Bypass Section – UL508A
6.1.2 Design
• 2 contactor bypass with optional VFD service switch
• NEMA 1, NEMA 12, NEMA 3R, and NEMA 4X enclosure options
• LCD Color touch screen HMI
• 32-bit microprocessor
• MODBUS RTU, BACnet, and Metasys N2 communications
• EtherNet/IP and Modbus TCP/IP
• HAND/OFF/AUTO selection icons
• VFD/BYPASS selection icons
• Auto transfer to bypass on VFD fault (selectable)
• Damper Mode (programmable)
• Damper actuator control (5 A @ 125 Vac relay contact)
• Fire Alarm – programmable to:
»
Fireman’s Override
»
Fireman’s Override VFD Control
• PID controller
• Class 20 motor overload relay
• One (1) analog output:
»
0-10 Vdc, scalable
• Two (2) analog inputs – programmable for:
»
4-20 mA, scalable (default auto speed input)
»
0-10 Vdc, scalable (default onboard PID controller input)
• Speed search function
• 3 skip frequencies
• Digital manual speed control
• Bypass setup wizard
6.1.3 Operating Conditions
• Altitude: to 3,300 ft, higher with derating