Heat Distribution And Control In Heating Systems Didactic Equipment Vocational Education Equipment Thermal Lab Equipment

HL 353.02 Heat Distribution And Control In Heating Systems Didactic Equipment Vocational Education Equipment Thermal Lab Equipment

Two independent heating circuits with control devices: heating circuit with one subcircuit and with two subcircuits
Features
- setup of a complete domestic heating system together with hot water generator HL 353
- two independent heating circuits:
-- heating circuit with one subcircuit
-- heating circuit with two subcircuits
- control devices for both heating circuits
Learning objectives/experiments
- design of a room heating system with controller and actuator
-- temperature-led heating controller (outside temperature) with three-way mixing valve
-- simulator for varying outside temperature
- function and design of a room heating system divided into sections
- hydronic balancing of heating circuits with multiple radiators
- function and design of commercially available heating technology components
- measurement of differential pressures, temperatures and flow rates
- energy calculation and evaluation of emitted heating capacity based on measured quantity of heat
- reading and comprehension of symbols and process schematics
Specification
[1] together with hot water generator: setup of a complete domestic heating system with 2 independent heating circuits
[2] heating circuit with one subcircuit contains 2 flat radiators, circulating pump, heating controller with 3-way mixing valve and simulator for variation of outside temperature


[3] heating circuit with two subcircuits contains 4 radiators, circulating pump, 2 heating controllers, 2 solenoid valves
[4] flow control valves for hydronic balancing in heating circuit with two subcircuits
[5] measurement of flow rate and pressure
[6] 9 measuring points for differential pressure and temperature (temperature measurement via sensors of HL 353)
[7] hot water connections with quick-release couplings
Technical data
1 Flat radiator, aluminium
- heating capacity: 545W at feed flow 70°C, return flow 55°C and ambient temperature 20°C
1 Flat radiator, steel
- heating capacity: 665W at feed flow 70°C, return flow 55°C and ambient temperature 20°C
4 Radiators, steel
- heating capacity: 492W at feed flow 70°C, return flow 55°C and ambient temperature 20°C
2 Circulating pumps
- max. power consumption: 25/35/45W
- max. flow rate: 3000L/h
- max. head: 3,8m
3 Heat meters: 20...90°C, 1,5m3/h
Measuring ranges
- pressure: 2x 0...1,6bar
- differential pressure: 0...0,25bar
- flow rate: 3x 40...400L/h
230V, 50Hz, 1 phase
LxWxH:2500x760x2000mm
Weight: approx. 240kg