I Operati Ng; I Additi Onal User Functi Ons - Zodiac Z900 TD20 Instructions For Installation And Use Manual

2.3 I Operati ng

• Check that there are no tools or other foreign objects in the machine.
• The panel that provides access to the electrical enclosure must be properly secured in place.
• Set the valves as follows: valve B wide open, valves A, C, D and E closed
• An incorrect by-pass setti ng may cause the heat pump to malfuncti on.
• Ensure that the hydraulic connecti ons are enough ti ghtened and correctly so that there are no leaks.
• Ensure that the device is fully stable.
• Set the water circulati on running.
• Close valve B gradually so that the fi lter pressure is increased by 150 mbars (0.150 bars).
• Open valves A, C and D fully then valve E by half (the air which has built up in the heat pump condenser and the
fi ltrati on circuit will bleed out). If valves D and E are not present, open valve A wide and close valve C by half.
• Connect the power supply to the heat pump.
• Press and hold
Aft er the start-up steps for your heat pump:
• Shut down the water circulati on temporarily (by stopping the fi ltrati on or closing valve B or C) to check that you
device stops aft er a few seconds (via the acti vati on of the fl ow switch).

2.4 I Additi onal user functi ons

2.4.1 Adjusti ng the temperature setpoint (in heati ng mode)
The setpoint temperature is set by default to 28°C.
• Press + for 5 seconds:
• Go to
• Go to the
• Go to
• Set the value you want with
• Press to exit.
The heat pump stops automati cally when the pool reaches the required temperature.
2.4.2 Sensor temperature reading
• Press :
• Press :
• Press :
• Press :
• Press to exit.
8
for 5 seconds to start the appliance in heati ng mode.
then press
then press to confi rm,
parameter, press ,
(= heati ng mode setpoint), press
or , then press
(water inlet sensor) then wait 3 seconds for the value to display.
(water outlet sensor) then wait 3 seconds for the value to display.
(air sensor) then wait 3 seconds for the value to display.
(low pressure sensor) then wait 3 seconds for the value to display.
: water inlet valve
: by-pass valve
: water outlet valve
: water inlet adjustment valve (opti onal)
: water outlet adjustment valve (opti onal)
to confi rm,
,
to confi rm.