Wilo HiMulti 3 H Série Notice De Montage Et De Mise En Service page 38

English
Check the gas supply pressure of the diaphragm vessel (see Table 1: approx. pI - 0.2..0.5 bar or pI - 10%)
Gas supply pressure of the diaphragm vessel matches the
Domestic water system switches off within a short time
Check whether the switch-off pressure displayed on the
pressure gauge matches the calculated value
38
Diagram: Setting the pressure switch
system parameters
Close shut-off device on the pressure
Establish electrical power supply
Switch-off pressure
does not match the
system parameters
Set switch-off pressure
(routine 1)
Switch-off pressure matches the system parameters
Completely open the user point with the smallest extraction amount
Establish electrical power supply
Domestic water system
switches on or off less than
once a minute
Establish electrical power supply and check the
settings using the values displayed on the
Mount the pressure switch cover
Gas supply pressure of the diaphragm vessel does not
match the system parameters
Set gas supply pressure (routine 2)
side
Domestic water system does not switch off
Set switch-off pressure (routine 1)
Establish electrical power supply and check the
settings using the values displayed on the
pressure gauge
Domestic water system
switches on or off more
often than once a minute
Increase difference
between switch-on
pressure and switch-off
pressure (routine 3)
pressure gauge
Switch-off pressure
does not match the
system parameters
WILO SE 07/2018