EDCU Unit For Studying Energy Distribution And Control Refrigeration Trainer Technical Training Equipment
This module aims and it concerns the study of two types of heating circuits with radiators: a central heating system with outdoor reset control of water delivery temperature and a distributed heating system with room thermostats, zone valves and heat counters.
TRAINING PROGRAM
• Procedures for water filling and air bleeding from the system
• Outdoor reset control: variation of hot water delivery temperature versus outdoor air temperature
• Determining the controller proportional band
• ON/OFF control: room thermostat
• Analyzing the operation of the 3-way mixing valve and of zone valves
• Determination of the characteristic of the 3-way valve
• Plotting the emission curve of a radiator
• Modality for counting and calculating the used thermal energy
• Determining the authority of the mixing valve (optional item differential pressure gauge required)
TECHNICAL SPECIFICATIONS
• Steel structure mounted on wheels, painted and treated in the oven
• Colour silk-screen-printed schematic diagram of system hydraulic circuit with warning LEDs
• Central heating system including:
- cast iron radiator and aluminium radiator, each provided with on-off valve, bleed valve and lockshield valve
- three-speed recirculation pump
- check valve
- three-way motor-driven control valve
- outdoor reset controller provided with outdoor air temperature and water delivery temperature sensors
- flowmeters
- pressure gauge
• Zone heating system including:
- 4 steel radiators, each equipped with on-off valve, bleed valve and lockshield valve
- three-speed recirculation pump
- 2 solenoid valves
- 2 room thermostats
- 2 heat counters
- pressure gauge
• Switchboard with controls and 2 digital thermometers
• Set of quick-connection flexible pipes for connection with Hot water production unit mod. HWPU
Dimensions: 200 x 70 x 190 cm
Net weight: 206 kg
Supply with
THEORETICAL – EXPERIMENTAL HANDBOOK
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