GRUNDFOS
INSTRUCTIONS
www.grundfos.co.uk
Page 20 of 35
9.4 Installation checklist
During the installation phase:
DO NOT apply mains power to the unit.
DO NOT apply water to the unit.
Step
Done
Activity
Action/Check/Notes
1
Fully read and study this manual.
2
Unpack, inspect for completeness and any damage.
Report to supplier/customer
Do not use.
3
Ensure that the installation location meets all of the
requirements in this manual and the latest BS 9251
Standard.
4
Transport the unit to
the chosen location.
Caution - handling
5
Test location of unit for fit and access, remove unit.
6
Make wall/floor fixings.
If required
7
Remove the two screws retaining front cover. Remove
front cover. Place to one side.
Do not disconnect earth wire
8
Locate unit and fasten down unit as required.
9
Make the suction port connections to the water supply.
Do not turn on water.
Union type connection
recommended
10
Make the discharge port connections to the sprinkler
riser
Do not turn on water.
Union type connection
recommended
11
Remove the four fixing screws retaining the front cover of
the controller and open the controller.
Wiring diagram found inside lid
12
Wire digital inputs from water tank and flow switch
through side wall grommet, through controller cable
glands and to connector blocks on PCB (as required)
Wiring diagram found inside lid
Perform continuity check
Label wires
13
Wire digital outputs through side wall grommet, through
controller cable gland and to connector blocks on PCB (as
required)
Wiring diagram found inside lid
Perform continuity check
Label wires
14
Fit suitably fire rated power cable through the gromit, the
M20 cable gland to the power in terminals on the PCB.
Power cable must be of a suitable
size for the unit load.
Power to remain OFF.
Wiring diagram found inside lid
15
Re-fit the controller front panel
16
Connect the other end of the electrical power cable to
the mains power supply.
This should be to a lockable isolator.
Lock off the isolator to ensure mains power cannot be
applied to the unit.
Do not connect mains power to the
unit.
Ensure mains power cannot be
applied and is locked OFF.
System must be earthed.
18
Review all of the above actions, if the commissioning
phase does not follow immediately after, replace the
front cover and screws. Leave the unit in a safe condition
Isolated Electrically and
hydraulically
19
System is ready to commissioning