Grundfos 97931710, Installation And Operating Instructions Manual

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
Fire Mode

Check Digital output D02 changes over.
To exit fire mode restore system
pressure and press Test/Rest
button.
16

Check the Digital Inputs give the expected outputs

Tank low water level

Flow switch
17

On completion of the Service and Annual test
Switch OFF the Mains power.
Ensure Mains power isolator is
locked in the OFF position.
Silence the controller internal
buzzer by pressing Test/Reset
18

Prepare the area for water spillage.
19

Close the suction side isolating valves
Remove the Test line
Water will be pressurised, release
slowly and allow to drain slowly.
20

Refit the Test line plug
Ensure water tight connection.
Use PTFE tape or cord
21

Open the suction and discharge isolating valve
22

Prime/Vent the CR pump and whole system.
Refer to section 9.4 for prime/vent
guide.
23 Inspect for leaks
Fix any leaks
24

Review all of the above actions, then Apply Mains power
to unit.
25

Pump will start, run for 20 seconds and pressurise the
system. If necessary, Prime/Vent the system again.
Check the pressure gauge value is as expected.
Press Test/Reset button if the
excessive starts fault appears
26

Inspect for leaks
Fix any leaks
27

Set the pump test time
Press and hold the Test/Reset
button on the control panel.
Weekly Test time set at this time.
28

Clean up area and ensure safe for user
29

System is ready to Operate
Update History log at back of this
manual. Inform customer that the
system is Operational. Handover
this manual.