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06 I digiheat Titanium In line Spa Heaters
ADJUSTING THE PRESSURE SWITCH
This equipment must be installed and serviced by a qualified technician.
WARNING
!
Improper installation may result in property damage, serious injury or death.
Improper installation and/or operation will void the warranty.
For your safety, refer to the below instruction to ensure the pressure switch is adjusted
prior to switching power on to digiheat. The pressure switch nut is factory set at halfway.
use a multimeter to check switch status.
To adjust the pressure switch:
• Switch OFF the power to the digiHeat.
• remove front cover of digiHeat.
• ensure the filter is clean & run the pump with the filtration system as normal (FIlTer
MOde) until all the air has been bled from the system.
• Turn the pump OFF and check the pressure switch turns OFF immediately or after a
short delay (1 to 2 secs). If it is not possible to hear the pressure switch operate, connect
an Ohmmeter across the Pressure Switch terminals.
• For above water level installation, if the pressure switch contact remains open when the
pump is
running the adjustment nut should be adjusted up slowly until the switch closes.
• For below water level installation, if the pressure switch contact remains closed after the
pump stops the adjustment nut should be adjusted down slowly until the switch opens.
• For installations from 1.8m below water level the pressure switch nut should be adjusted
down to maximum pressure.
• If the adjustment required is outside
the range of this switch then a different
switch or a flow switch will be needed to
protect the heater.
• Stop and start the pump several times
to check the correct operation. repeat if
necessary.
• replace front cover on digiHeat.
• Failure to adjust the pressure switch
to suit the installed height may void
warranty
Pressure switch adjustment screw
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