12
• Control of purge compressor, vacuum pump, heater, and fan.
2.5.2.10. PIC 5+ Touch screen HMI
This panel is the user interface for controlling the chiller and has the following functions:
• Chiller operation
• Chiller diagnostic
• Chiller status display
• Chiller parameter configuration
• Provide open protocol interface to outside BMS system
2.5.3 Product identification
1 : High Efficiency Semi-Hermetic Centrifugal Chiller
2 : D : low pressure V : Variable Speed Drive
3 : Evaporator frame size (Length, Pass arrangement, tube count)
4 : Condenser frame size (Length, Pass arrangement, tube count)
5 : Compressor frame size / 4 : 1758 – 2813 kW
6 : Compressor shroud code (3-4-5-6)
7 : Compressor Impeller Diameter Code (2 – 4)
8 : VFD code * (A : high tier LF2 Rockwell / 5 : low tier VFD / 0 : Freestanding)
9 : Motor code * (B/D/F/H)
10 : Motor voltage code 3: 380/3/60 4 : 416/3/60 5 : 460/3/60 9 : 400/3/50
1 : Chiller designation
2 : Evaporator designation
3 : Condenser designation
4 : Compressor designation
5 : Unit manufacturing incrementing number
6 : E : Unit manufactured at MTL factory
Figure 1 – Chiller model identification