GRUNDFOS INSTRUCTIONS
8.5 Commissioning checklist.
Before the commissioning phase starts ensure that the Installation checklist has
been completed and check the state of the mains power and water supplied to
the unit.
Fully read and study this manual.
Ensure that the installation location meets all of the
requirements in this manual.
Check mains power and water to the unit are both OFF
Ensure both are OFF and cannot be
accidentally turned ON.
If necessary, remove the screws retaining front and
top covers. Place to one side.
Inspect the Installation, check everything in the
Installation checklist has been completed.
Close the system isolating valve on the discharge side of
unit. Open the mains water isolating valve. Apply water
to the unit and check the filling of the header tank.
Refer to the Float valve
adjustment section
Check the fill level in the header tank does not exceed the
overflow height. Make any adjustments as required.
Refer to the Float valve
adjustment section
Prime the pump and the whole system as necessary.
Inspect for any leaks.
Refer Priming pump section of this
manual.
Refit the controller cover and review all of the above
actions. Apply the mains power. Switch ON the unit.
Allow the unit to boot up.
Ignore any Warnings/Alarms.
The PHT-T model will need one
minute to close all motorized valves
before you can begin to program the
unit.
Access the Engineers menu.
Refer System Controller overview
section
Set the unit up according to the desired customer
parameters.
Record the parameters in the
Commissioning log.
Test the pumps, using the Pump test function in the
engineering menu. Open the system isolating valve.
Press and hold down the OK but for
the duration of the pump run.
Check the system for any faults.
Observe correct system operation.
Replace all covers and re-fit the screws
Observe static sensitive precautions!
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