Tenders Description & Specification for Hydronic Balancing of Radiators
Hydronic Balancing of Radiators
Familiarisation with a heating circuit
Familiarisation with temperature control
Energy balances
Determining pump efficiency from hydraulic power and electrical power consumption
Heat transfer with convector (water-to-air heat exchanger with fan)
Two-point controller
Recording of step response
Recording of fitting and pump characteristics
Comparison of circulating pumps
PID controller
Conventional pump
Differential pressure controlled pump.
Specification:
Fundamentals of energy efficient heating technology
7 differential pressure sensors, 4 temperature sensors, 1 effective power sensor and 1 flow rate sensor
Closed water circuit with 2 circulating pumps, expansion vessel, heater and convector
2-point and PID software controller for temperature: reference variable, hysteresis and PID parameters adjustable
Boiler safety group according.
Technical Data:
Conventional circulating pump, 3 stages
Max. flow rate: 3,7m³/h
Max. head: 6,2m
Power consumption: 43…80W
Differential pressure-controlled circulating pump
Power consumption: 4…50W
Electric heater: 2.000W
Expansion vessel: 2L
Max. flow rate: 3,5m³/h
Max. head: 6m
Software controller
Adjustable reference variable: 0…80°C
Measuring ranges
Differential pressure: 5x 0…600mbar, 2x 0…100mbar
Effective power: 0…200W
Temperature: 0…100°C
Flow rate: 1…50L/min
Dimensions and Weight
LxWxH: 2.000x750x1.760mm
Weight: approx. 150kg
Required for Operation
230V, 50Hz, 1 phase.
Ltekonline are the manufacturers of Hydronic Balancing of Radiators used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Thermal Training Equipment for Engineering Teaching Lab in Universities
