TM075337
Cleaning the condensation plugs
11.1.2 Cleaning of the integrated non-return valve
1. Turn off the power supply and disconnect the
power plug.
2. Shut off the water source.
3. Open the tap to release the pressure in the pipe
system.
4. Close the isolating valves and/or drain the pipes.
5. Gradually open and remove the priming plug.
The plug and non-return valve are one unit.
6. Clean the integrated non-return valve with warm
water and a soft brush.
7. Assemble the components in reverse order.
Example:
TM075336
Integrated non-return valve
11.2 Customer service information
For further information on service parts, see Grundfos
Product Center on www.product-
selection.grundfos.com.
11.3 Service kits
For further information on service kits, see Grundfos
Product Center at www.product-
selection.grundfos.com.
12. Starting up after standstill
WARNING
Electric shock
Death or serious personal injury
‐ Switch off the power supply before you
start any work on the product. Make
sure that the power supply cannot be
switched on accidentally.
WARNING
Electric shock
Death or serious personal injury
‐ Check that the product is intact and not
cracked. Especially if the product was
not drained before standstill or was
exposed to frost.
CAUTION
Impurities in the water
Minor or moderate personal injury
‐ Before the pump is used for supplying
drinking water, flush the pump
thoroughly with clean water.
24
English (GB)
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