GRUNDFOS
INSTRUCTIONS
www.grundfos.co.uk
Page 25 of 35
13.1 Service and annual testing
(as per BS 9251:2014)
Step
Done
Activity
Action/Check/Notes
1
Inspect the control panel for any LED Service/Fault
indications. Clear all Service/Fault conditions first.
Refer to the fault finding checklist
2
General inspection for leaks, corrosion and damage.
Remove the two screws retaining front cover.
Remove front cover. Place to one side.
Do not disconnect earth wire to the
front cover.
Fix any leaks.
Report any corrosion.
For leaks from pump shaft seal
refer to CM pump I&O
3
Inspect all external electrical wiring for wear and tear,
nicks, breaks, exposed conductors and poor
fitting/termination etc.
Repair/replace as necessary.
Ensure mains power isolator is
locked in the OFF position before
carrying out any activities.
4
Switch OFF the mains power.
Ensure mains power isolator is
locked in the OFF position.
5
Inspect all internal electrical wiring for wear and tear,
nicks, breaks, exposed conductors and poor
fitting/termination etc..
Repair/replace as necessary.
Ensure mains power isolator is
locked in the OFF position before
carrying out any activities.
6
Remove the controller front, Inspect:
PCB, fuses, battery holder and wiring.
Replace batteries.
Report any corrosion from battery
holder.
Repair any wiring.
For fuses see spare parts list.
2 x AAA batteries
7
Refit controller front.
8
Close the isolating valves on the suction and discharge
sides of the
FireSAFE.
9
Prepare the area for water spillage.
Use the draincock to release the pressure in the system.
Volume of water will equate to the
volume of water between the non-
return valve inside the 5 way valve
and up to the discharge isolating
valve.
10
Remove the 1” test line plug found on top of the 5 way
valve. See section 5 for position
11
Connect test line to 1” 5 way valve port.
Ensure water tight connection.
Open suction side isolating valves
Consider increasing pipe size
according to flow , see section 6.5
12
Apply mains power to unit.
System will respond to pressure
drop, run for 20 seconds and stop
13
Vent flow test line system and pump as necessary.
14
Perform annual system test.
As per BS 9251 requirements
15
Check unit responds to pressure drop, and enters:
System pressure maintenance mode
Fire mode
Check digital output D02 changes over.
See section 6
To exit fire mode restore system
pressure and press Test/Rest
button.
16
Check the digital Inputs give the expected outputs