IEC 63159-2-1:2021
[Current]
Household electric instantaneous water heaters - Methods for measuring the performance - Part 2-1: Multifunctional electric instantaneous water heaters
...4 Determination of the flow rate as a function of the pressure difference
The flow rates shall be determined at pressure differences given in Table 104 and in Table 105...
...ssure and flow rate for multi point appliances
Pressure difference
MPa
Flow rate
l/min
0,1
0,2
0,3
Table 105 Flow pressure and flow rate for single point appliances
Pressure difference
MPa
Flow rate
l/min
0,025
0,05
0,1
...
...3 Pressure difference on activation of the heating capacity
6...
