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2.3 I Operation
2.3.1 Recommendations prior to start
• Check that there are no tools or other foreign objects in the appliance.
• The top panel that provides access to the technical section must be put in place.
• Check that the appliance is stable.
• Check that the electrical wiring is properly connected to the terminals and the earthing.
• Check that the hydraulic corrections are correctly tightened and that there are no leaks.
2.3.2 Operation
• Activate the filtration pump (if heating priority is not activated) to turn on the water flow : check that the water is
circulating correctly in the heat pump and that the flow rate is adequate.
• Set the valves as follows: valve B wide open, valves A, C, D and E closed.
• An incorrect by-pass setting may cause the heat pump to malfunction.
• Close valve B gradually so that the filter pressure is increased by 150g (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
filtration 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 (differential switch and circuit-breaker), see §"1.3 I Electricity supply
connections".
• Press
once to turn on the screen.
• If needed, press
for 3 seconds to unlock the keypad.
• Adjust the clock, see § "2.4.6 Deactivating the operation of the heat pump".
• Select a mode, see § "2.4.4 Choosing an operating mode".
• Set the desired temperature (called the "setpoint"), see § "2.4.5 Adjusting the temperature setpoint".
The heat pump's compressor will start up after few minutes.
To check if the heat pump is correctly operating, after the start-up steps :
• Shut down the water circulation temporarily (by stopping the filtration or closing valve A or C) to check that the
appliance stops after a few seconds (via the activation of the flow switch), or,
• Reduce the setpoint temperature to below the water temperature to check that the heat pump stops operating.
2.3.3 Antifreeze protection (if heating priority is activated)
• For the antifreeze protection to work, the heat pump must be powered and the filtration pump
activated. If the heating priority is activated, the antifreeze protection will work automatically.
When the heat pump is on stand-by, the system monitors the ambient temperature and the water temperature in
order to activate the antifreeze programme if required. The antifreeze protection is automatically activated when the
air temperature or water temperature are less than 2°C and when the heat pump has been shut down for more than
120 minutes. When the antifreeze protection is running, the appliance activates its compressor and the filtration pump
to reheat the water until it exceeds 2°C .The heat pump automatically leaves the antifreeze mode when the ambient
temperature is higher than or equal to 2°C or when the heat pump is activated by the user.
: Water inlet valve
: By-pass valve
: Water outlet valve
: Water inlet adjustment valve (optional)
: Water outlet adjustment valve
(optional)
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