Training: District Heating Installer

2 Day Course delving deeper into design principles, commissioning options and network management, with practical hands-on training.

Day 1 - Theory

DHW System types

• Centralised DHW storage
• Centralised thermal storage and plate heat exchangers
• Domestic hot water cylinders
• Coils, plate heat exchanger recovery
• Domestic thermal stores
• Intermediate storage systems
• Heat Interface Units

DHW Systems for District Heating.ppt

Central Heating System types

• Direct connection
  • Variable flow
  • Mixed flow
  • Leak protection
• Indirect connection
• Thermal storage

HIU Functions and Test Standards

• VWART
• Limits
• Keep Warm
• Legionella
• Alarms

The HIU Testing Standards.ppt

Network Efficiency

• Categories of energy loss
• Return temperatures
• Pipe insulation
• Generation Efficiency

Network Efficiency.ppt

Introduction to IoT

• Applications
• The Raspberry Pi
• Node-RED programming language
• Connecting to other hardware
• MQTT messaging

IoT.ppt

Monitoring and Metering

• Cabling
• MBus networks
• Ethernet networks

Monitoring and Metering.ppt

Day 2 - Practical

Components used in HIUs

• Mechanical control valves - {{#l:Danfoss AVTA Datasheet.pdf|AVTB Data Sheet}}
  
• Electronic control systems - {{#l:MUT VDE-ML Datasheet actuator valve.pdf|MUT Valve Datasheet}}
  
• Sealed system components - Sealed System kit
• First fix systems - Pipework and Expansion Vessel kit

Circulatory Systems

• Differential pressure control - Differential pressure control
• Mechanical and thermal bypasses - {{#l:FJV Return Temperature Limiter DOC155186473023.pdf|Danfoss FJV Return temperature limiting valve}}
  Danfoss AB-QM
• TRVs and balancing - Balancing of Central Heating Systems

HIU Commissioning

• Procedures - CP1 Compliance
• Software settings on HIUs - HIU Monitor Software

Fault Finding

• DP measurement and application - DP Measuring Probes NODE-DP
• Using heat meter data
• Using HIU data

System Quality

• Flushing
• System pressurisation and dosing
• Maintaining systems

Water Quality Requirements

Introduction to BS 7593:2019

Control

• Advanced Control Strategies for District Heating - Connected Systems