Commissioning; Overview Of A Firefighting Application - Grundfos Fire NKF Series Installation And Operating Instructions Manual

8. Commissioning

The diagram in figure 27 is used as reference.

8.1 Overview of a firefighting application

8
5a
Fig. 27 Overview of a firefighting application
Pos. Description
1 Fire pump, electric powered
1a Fire pump, diesel powered
2 Jockey pump
3 Compressor
4 Control cabinet
5 Intermediate water tank
Warning
Commissioning must be carried out by
authorised staff.
Warning
The control cabinet of the controller must remain
closed during commissioning.
Do not start the pump until it has been filled with
Caution
water and vented.
The pump must not run against closed valve as
Caution
this may cause an unacceptable temperature
increase or the formation of vapour.
See also installation and operating instructions
Note
for the controller.
You must not change the engine speed setpoint
Caution
(rpm).
Pump set with Clarke diesel engine:
We recommend that you register the diesel
engine before startup. Otherwise Clarke cannot
Note
provide any warranty if the engine is faulty. Go to
www.clarkefire.com: SERVICE, PARTS &
WARRANTY.
20
4
11
10
7
5
1
Pos. Description
5a Overflow
6 Pressure tank
7 Fire pump priming tank
8 Water supply
9 Alarm valve
10 Test-running string/bleed line
A
9
A
7
1a
2
Pos.
11
12
13
14
12
13
x x x
14
x x x
3
6
Description
Overpressure backflow string
Fire hydrant
Wet sprinkler system
Dry sprinkler system