Instantaneous gas heater Methods of gas burner adjustment; simulation of twelve faults Features - methods of gas burner adjustment - simulation of twelve faults Learning objectives/experiments - gas burner adjustment by volumetric method - nozzle pressure method for gas burner adjustment - fault finding Specification [1] simulation of an instantaneous gas heater [2] safe operation of heater using air [3] diaphragm pump for pressure generation [4] PLC simulation of safety functions [5] simulation of 12 faults by PLC Technical data Instantaneous heater - nominal thermal output: 19,2kW Diaphragm pump - max. flow rate: 70L/min Gas pressure controller: 16...28mbar Measuring ranges - pressure: -- 0...6bar (water) -- 0...60mbar (gas) - differential pressure: 10-0-10mbar - flow rate: -- 0,75...7Nm3/h (gas) -- 75...1000L/h (water) 230V, 50Hz, 1 phase 120V, 60Hz, 1 phase 230V, 60Hz, 1 phase UL/CSA optional LxWxH: 1650x800x1850mm Weight: approx. 100kg