Changing The Cut-In Pressure - Oase ProMax Garden Automatic Switch Instrucciones De Uso

Taking the unit out of operation
WARNING
Risk of severe injuries or death by electric shock.
Disconnect the pump and ProMax Garden Automatic Switch from the power supply before

working on the unit.
CAUTION
The lines are pressurized. Risk of injury caused by the water jet spurting out. Damage to the unit
due to leaking water.
Prior to starting work: Open the water withdrawal point to depressurize the system.

Measures after completing the work:

How to proceed:
1. Pull the power plug of the ProMax Garden Automatic Switch.
2. Pull the power plug of the pump.
3. Depressurise the pressure line by opening a withdrawal point.
4. Also open any non-return valves fitted in the suction line.
– When the pump is switched off, residual water in the hose may flow back and out of the
pump intake.
If the pump is to be completely removed:
Proceed according to the pump operating manual.

Changing the cut-in pressure

WARNING
Risk of severe injuries or death by electric shock.
This work may only be performed by a qualified electrician.

Disconnect the pump and ProMax Garden Automatic Switch from the power supply before

working on the unit.
Measures after completing the work:

How to proceed:
 Observe the characteristic curve when adjusting the cut-in pressure.
1. Unscrew the housing and remove the cover.
2. Change the pressure setting by turning the adjusting screw with a screwdriver Observe the
pressure characteristic curve.
3. Refit the housing cover and start up the unit again.
4. Read off the pressure at the pressure gauge and correct the pressure setting again if neces-
sary.

The switch-off pressure is not adjustable and depends on the pump used in the system.
EN
19