BWT Avanti RF Series Bedienungsanleitung

1-510213 / 10946 / 2016-09 / © BWT Wassertechnik GmbH / Printed in Germany

BWT Avanti RF

Manual backwashing ﬁlter

DN 25 and DN 50

90 micron sediment ﬁlter

complete with dual check valve

backﬂow prevention device

Installation and operating manual AUS

Suitability:

Suitable for domestic and commer-

cial installations to remove sedi-

ment and improve the service life

of plumbing fixtures and fittings.

Product Approval:

The product is certiﬁed to

ATS 5200.103

LIC WM-020272

AUS

1 Scope of supply

BWT Avanti RF Australia consisting of:

1 Top section in DR brass

2 Union connection ﬁtting with seals

2a Union connection with dual check valve

3 Transparent bowl with ﬁlter element

4 Hose connection for ﬂushing water supply

5 Turning knob for the backwashing element

The product is approved to ATS 5200.103; Techni-

cal Speciﬁcation for plumbing and drainage products

Part 103: Water treatment systems (other than tho-

se speciﬁed in AS/NZS 3497).

2 Intended Use

The ﬁlters are primarily used for ﬁltering sediments

from water.

They protect plumbing ﬁxtures and ﬁttings from mal-

functioning, and against damage caused by foreign

particles such as rust, swarf and sand.

The ﬁlters are not intended for use with chemically

treated circulating water.

2.1 Suitable Applications

• Domestic water supply

• Commercial use and high rise buildings

• Industrial

• Food preparation areas and beverage equip-

ment as a pre-ﬁlter

In applications with water containing coarse impuri-

ties, a coarse dirt separator must be used.

The ﬁlter is not suitable for oils, greases, solvents,

soaps and other lubricating media nor for the sepa-

ration of water-soluble substances.

3 Function

Untreated water ﬂows through the ﬁlter where impu-

rities > 90 µm are trapped by the ﬁlter screen and

removed.The ﬁlter screen can be cleaned by back-

washing as required.

AUS

For the backwashing process, the waste water con-

nection is opened by turning the turning knob (5)

and the backwashing element is also turned. The

particles on the ﬁlter cloth are removed by suction

from the suction-ring backwashing system and then

washed out.

4 Installation conditions

The unit must be installed by a licenced tradesper-

son to AS/NZS 3500.

A connection must be available for draining the ﬂus-

hing water.

The ﬁlter installation must be protected against

freezing conditions, solvent vapours, fuel oil, che-

micals of all kinds, UV radiation and heat sources

above 40 °C.

If the unit has been dropped or damaged, plastic

parts must be replaced even if there is no visible

damage. A cover is recommended where the ﬁlter

is installed in direct sunlight.

The unit should be installed to allow clear access

for removal.

Observe the local installation regulations, gener-

al guidelines, general hygiene regulations and the

technical speciﬁcations.

A connection to the sewage system (discharge) of

min. DN 40 should be available.

Attention: The installation site must be protect-

ed against frost and must ensure the protection of

the ﬁlter against e.g. solvent vapours, fuel oil, lees,

chemicals of any kind, UV radiation and heat sourc-

es above 40 °C.

Attention: Keep the plastic parts free from grease,

solvents and acidic as well as basic detergents.The

plastic parts must be replaced even if there is no vis-

ible damage after severe concussions and shocks

e.g. due to the use of unsuitable tools or if dropped

on stone ﬂoors etc (danger of bursting). Avoid ex-

treme pressure impact.

Σm3

0 0 0

> 20 mm

AUS

Σm3

0 0 0

> 20 mm

5 Installation

Install ﬁlter according to its nominal size in cold wa-

ter pipes of the same dimensions and before the

equipment to be protected. Install stop valves be-

fore and after the ﬁlter.

Assemble the connection ﬁttings (2) in the pipe and

install ﬁlter in ﬂow direction (see ﬂow direction ar-

row) in the horizontal cold water pipe (see instal-

lation sketch).

Connect ﬂushing water connection with hose to the

waste drain or provide a collection basin (capaci-

ty approx. 15 l).

Please note: The ﬂushing water hose must be in-

stalled at a minimum distance of 20 mm above the

highest possible waste water level (free discharge).

6 Startup

Check the ﬁlter and the ﬂushing water pipe for prop-

er installation.

The stop valves must not be opened yet. Check the

transparent cylinder (3) for proper ﬁt and then close

the turning knob (5) by turning it clockwise.

Slowly open the stop valves before and after the

ﬁlter and deaerate the water pipe at the next out-

let downstram.

If the ﬂushing water pipe is not connected to the

waste water before backwashing, provide a col-

lecting basin.

Open the turning knob counter-clockwise and con-

tinue until fully open. Reverse the procedure to close

and complete the backwash. Check wether the ﬁl-

ter is correctly sealed.

AUS

7 Operation

A backwash must be carried out as required to pre-

vent dirt particles from settling on the ﬁlter cloth (or

more frequently with higher amounts of dirt).

Before starting the backwash procedure, provide

a collecting basin, if the ﬂushing water pipe is not

connected to the waste water drain.

Backwashing

Open the turning knob (5) counter-clockwise until

you can hear water running out and then close it

again. Check whether the ﬁlter is correctly sealed.

The turning knob is epuipped with a safety clutch.

If turning too forcibly a latch jumps, this prevents

damage to the locking system.

The plastic parts may only be cleaned with a soft,

damp cloth. Do not use any solvents or detergents

nor acid cleaners.

AUS

8 Trouble-shooting

Fault Cause Solution

Water pressure in system has

dropped considerably;

Water pressure drops consider-

ably when water is bled

(by more than 35% of the stat-

ic pressure)

Dirty ﬁlter element Carry out backwash

Flushing water outlet cannot

be closed

Backwash element does not

reach final position due to

coarse dirt particles

Fully open and close turning

knob; repeat backwash sev-

eral times

If the fault cannot be rectiﬁed using these notes, please contact your local Reece branch.

Flow-rate Avanti RF Type 1“

Flow-rate Avanti RF Type 2“

6,7

26,7

43,3

55,0

73,3

86,7

91,7

96,7

101,7

110,0

0,0

20,0

40,0

60,0

80,0

100,0

120,0

140,0

160,0

0,020,040,060,080,0100,0 120,0

Pressuredrop p in kPa

Flowrate Q in l/min

Multipur 25

40,0

96,7

146,7

158,3

206,7

250,0

258,3

263,3

270,0

276,7

0,0

20,0

40,0

60,0

80,0

100,0

120,0

140,0

160,0

0,050,0100,0 150,0200,0 250,

00,0

Pressuredrop p in kPa

Flowrate Q in l/min

Multipur 50

AUS

9 Speciﬁcations

BWT Avanti RF Type 1“ 2“

Nominal connection size DN 25 50

Hose connection, diameter E mm 14 20

Flow rate at ∆p = 20 kPa m3/h 3,5 10,0

Flow rate at ∆p = 50 kPa m3/h 6,0 15,5

Filter screen µm 90/110

Nominal pressure (PN) bar 16

Water temperature °C 5 - 30

Ambient temperature, max. °C 5 - 40

Overall length without ﬁtting A mm 100 140

Overall length with ﬁtting B mm 205 327

Total height C mm 278 370

Distance pipe centre to ﬂoor,

min. D mm 400 450

Swivel nut thread G G 1 1/4“ x R1“ G 2 1/4“ x R2“

Distance pipe centre to wall, min. mm 50 60

Operating weight, approx. kg 2,2 5,4

Further information:

Reece. Works

for you. ™

Call 1800 032 566 or visit www.reece.com.au

for your nearest Reece store.

Due to limitations in the printing process the

colours in this brochure are a guide only.

The manufacturer/distributor reserves the right

to vary specifications or delete models from

their range without prior notiﬁcation. The ma-

nufacturer/distributor takes no responsibility for

printing errors.

www.reece.com.au

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