Wilo FLA Series User manual

Wilo-FLA

Pioneering for You

2 534 409-Ed.02 / 2015-05-Wilo

de Einbau- und Betriebsanleitung

en Installation and operating instructions

fr Notice de montage et de mise en service

nl Inbouw- en bedieningsvoorschriften

Fig. 1a:

Fig. 1b:

Fig. 2a:

Fig. 2b:

Fig. 3:

Fig. 4:

Fig. 5:

Fig. 6a:

Fig. 6b:

Fig. 7a:

Fig. 7b:

Fig. 8a:

Fig. 8b:

Fig. 9:

English

24 WILO SE 05/2015

Captions

Fig. 1a Example of FLA-1HELIX V…..

Fig. 1b Example of FLA-2HELIX V…..

1Pump

2 Control device

3 Base frame

4 Inlet connection/inlet collecting pipe

5 Pressure connection/pressure collecting pipe

6Checkvalve

7 Non-return valve

8 Diaphragm pressure vessel

9 Pressure gauge

10 Standkonsole

11 Needle-type throttle

12 Pressure switch

12A Pressure switch 1

12B Pressure switch 2

12C Pressure switch 3

13 Draining/venting

14 Throughflow fitting/check valve

15 Bypass connection (on the pressure side)

Fig. 2a FLA-1 pressure switch and diaphragm

pressure vessel kit

5 Pressure connection/pressure collecting pipe

8 Diaphragm pressure vessel

9 Pressure gauge

12 Pressure switch

13 Draining/venting

14 Throughflow fitting/check valve

16 Stop valve

Fig. 2b FLA-2 pressure switch and diaphragm

pressure vessel kit

5 Pressure connection/pressure collecting pipe

8 Diaphragm pressure vessel

9 Pressure gauge

12A Pressure switch

12B Pressure switch 2

12C Pressure switch 3

13 Draining/venting

14 Throughflow fitting/check valve

16 Stop valve

Fig. 3 Pressure switch, type FF (change over

contact)

19 Adjusting screw for deactivation pressure

(upper switching point)

20 Adjusting screw for differential pressure

(lower switching point)

21 Earth connection (PE)

22 Terminal block/contacts

24 Scale for switch-off pressure

25 Scale for differential pressure

Fig. 4 Operation of throughflow fitting/pressure

test

Diaphragm pressure vessel

A Opening/closing

BDrain

C Checking the supply pressure

Fig. 5 Reference table for nitrogen pressure

Diaphragm pressure vessel (example)

a Nitrogen pressure according to the table

b Switch-on pressure, base-load pump, in bar

c Nitrogen pressure in bar PN2

d Nitrogen measurement without water

e Important! Introduce nitrogen only

This manual suits for next models

Table of contents

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