Installation Checklist - Grundfos PHT-N130 Installation And Operating Instructions Manual

8.4 Installation checklist.

During the installation phase:
DO NOT apply mains power
to the unit. DO NOT apply
water to the unit.
Step Done Activity
 Fully read and study this manual.
1
 Unpack, inspect for completeness and any damage.
2
Ensure that the installation location meets all of the

3 requirements in this manual.
 Transport the unit to the chosen location.
4
 Test location of unit for fit and access, remove unit.
5
 Make wall/floor fixings.
6
Remove the screws retaining front cover.

7
Remove front cover. Place to one side.
 Locate unit and fasten down unit as required.
8
 Make the mains water supply connection to the float valve.
9
Make the PHT to system connections.

10
Make the overflow connection to drain.

11
Remove the screws retaining the top cover of the controller

12
and open.
Wire mains supply from isolator to connector block

through side wall M20 cable gland.
13
Wire digital outputs through side wall grommet, through

14
side wall gromit and to connector blocks on PCB
(as required). Do not apply any voltages.
 Re-fit the controller front panel
15
Review all of the above actions, if the commissioning

16 phase does not follow immediately after, replace the
covers and screws. Leave the unit in a safe condition
 System is ready to commissioning
17
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Observe static sensitive precautions!
Observe static sensitive precautions!
Page 23 of 47
GRUNDFOS INSTRUCTIONS
Report to
supplier/customer
Do not use.
Caution - handling
If required
Do not turn on
water.
Isolation valve
recommended
Do not turn on
.
water.
Isolation valve
recommended.
Wiring diagram found in this
manual
Perform continuity
check.
Label wires. System must be
earthed.
Wiring diagram found
Power to remain OFF and
in this manual.
locked OFF
Perform continuity
check
Label wires
Leave Isolated electrically
and hydraulically
Action/Check/Note
s