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BONNET GRANDE CUISINE
Registered Office:
Rue des Frères Lumière - Z.I Mitry Compans
F-77292 MITRY MORY Cedex
1.3.2 DESCALER CHEMICAL PUMP (PRECISIO)
The pumps internal pipes must be changed at least once per year.
Procedure
Remove the right hand side panel
Check the boiler level (state 1) (see Maintenance Screens chapter)
Ensure that the temperature of the water in the boiler is less than 60°C. If it isn’t drain the
boiler and refill it. (see Maintenance Screens chapter)
Cut the electrical supply to the oven
Using cable ties squeeze the descale / detergent supply hoses at the end weight
for the descaler and
at the pump entry and the Tee for the detergent
Undo the two cover fixing screws from each pump
Remove the covers
Extract the internal pipes from each pump without disconnecting them from the hydraulic circuit
Wait 10 minutes checking the flow to drain (approx 2 litres)
Reconnect the power
Activate the boiler drain (see Maintenance Screens chapter),
Wait about 5 mins
Cut the power to the oven
Disconnect the internal pump pipes from the hydraulic circuit and replace them
Relocated the internal pipes and refit the lids
Release both the supply hoses and refit the side panel
Reconnect the power
Bring to the clients attention that the next time a descale is due the « Prime descale pump » function
should be used".
Prime descaler
Squeeze
points
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