4. COMMISSIONING
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Commissioning
Your local contractor must implement the commissioning: Fill the cylinder to prevent damage to the
compressor and radiators. For filling, open all the taps in the house, open the water valve to the
WWK 300 until water flows out the taps.
Close each tap when water is flowing freely from the taps with no air bubbles.
Starting the WWK 300:
− Set switch 1 to ON.
− Turn temperature selector ( 3 ) clockwise until it stops. This is the maximum temperature.
− Supplementary heater: Press push button 2; the indicator lamp inside the push button lights
up. ( This is only required to be activated if hot water is required straight away )
Inform the user that water may drip from the TPR valve whilst the water is being heated up.
Note - the timer ( 4 ) is only ever used if there will be a higher demand of hot water required. The
timer will activate the supplementary heater.
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