Hot water supply system for hotel complex
Requirements
- Centralized control of water heating system with two central heating stations and 12 dislocated hotel units
- Optimisation of heating units and hotel stations in order to optimize fuel consumption of central heating units
- Diagnostic and maintenance
Implementation
- Project design
- Cubicle production, FAT
- On site system installation and wiring
- SIMATIC application based on: 2 S7 151-8 processors and 12 S7-1200 CPU1214, GSM alarming system based on MD720-3
- Communication among all PLC’s using Ethernet
- Process visualization with WinCC flex
- Testing and commissioning
Benefits
- Centralized control of all system
- Energy savings through optimum plant operation
- Easy maintenance and diagnostic
- High system reliability