RAIN HARVESTING WFRW23 Self Cleaning 2 Stage Filter System Slim Installation Guide
- June 10, 2024
- Rain Harvesting
Table of Contents
RAIN HARVESTING WFRW23 Self Cleaning 2 Stage Filter System Slim
PRODUCT DETAILS
This whole of house system features two-stage filtration for longer cartridge
life and great long term flow rate and filtration performance.
Stage 1 – The 90 micron sediment filter also includes a self cleaning, back-
flush function for easy maintenance. Stage 2 – 10 micron m
Code | Size | Country |
---|---|---|
WFRW23 | 10″ | Australia |
WFRW123 | 10″ | USA |
WFRW23 | 10″ | New Zealand |
Installation
WHAT’S IN THE BOX?
- Filter Housing
- Pre Filter Self-Cleaning Cartridge Stainless Steel Net Catridge
- Filter Cartridge(s) 0 Multi-Action Filter Cartridge
- Housing Ring Spanner
- Wall bracket & screws
- Cartridge Centering Device
- Discharge Kit
TOOLS/MATERIALS YOU MAY REQUIRE
- Tape measure
- Marker pen
- Pipe cutters
- Deburring tool
- PTFE (Teflon thread tape)
- 2 Threaded adaptors (Isolation valve and refer to installation layout and existing pipework for further information.)
- Adjustable wrench
- Screw driver
- Drill
- Anchors (for mounting bracket)
CAUTION: Do not use with water that is microbiologicallly unsafe or with water of unknown quality without adequate disinfection before or after the system. Systems certified for cyst reduction may be used on disinfected water that may contain filterable cysts. If not properly maintained, the use of this system may increase the bacterial content of the water unless supplementary treatment is provided.
GENERAL REQUIREMENTS
- Installation must be made in accordance with the Plumbing Code of Australia (PCA) by a licensed plumber only .
- Observe the use limits indicated on the filter label.
- If pressure exceeds use limits, protect with a pressure reducer.
- Install an “anti-water hammer” system to protect the filter.
- Keep away from light sources .
- Keep away from excessive heat and cold (min . 4°C, max 45°C).
- Only use original Blue Mountain Co cartridges. The use of non-original cartridges may void the warranty.
FEATURES
The Self Cleaning 2 Stage Filter System – Slim have been designed and constructed with an innovative self-cleaning pre-filter cartridge cleaning system that washes in counter-current to remove more substances deposited on the cartridge surface.
The self-cleaning filter has a nominal filtration of 90 micron with a stainless steel net.
FIGURE 1
When filtering element is clogged, it is simply cleaned by opening the valve
on the bottom of the cup.
FIGURE 2
This operation generates a depression in the filter that pushes the ca
rtridgedown, automatically reversing water flow from the inside (in counter-
current) out of the cartridge.
FIGURE 3
This water flow in counted r-current carries particles and substances
deposited on the cart ridge to the drain. Closing the valve after a couple of
seconds returns pressure distribution to its in it ialcondit ions and the
internal spring returns the ca trudge to its service position.
The above described operating modes and cleaning in counter-current requires a
minimum 50kPa (7.25psi/0 .5bar) supply pressure.
The Self Cleaning 2 Stage Filter System – Slim feature a drain funnel, which
is a device designed to protect potable water in water installations against
pollution, to prevent pollution by backflow.
Cartridge Centering Device
A Cartridge Centering Device is included to help you easily and correctly position the replacement cartridge in the housing.
INSTALLATION
- Before the installation, carefully lubricate the housing o-ring which is located at the bowl top .
- Before the installation, check if the hydraulic system has been set-up according to local authority guidelines .
- Install the products in sheltered areas and protect from freezing and excessive heat.
- Connect the filter inlet and outlet connections (NB: outlet indicated by an arrow on the head) only to pipes with BSP type connections (cyl indrica l) / US – NPT tapered (conica l) connections. Use flexible tubes to connect the filter to the pipes if necessary .
- Please refer to Installation Layout to check the correct location of isolating valves and pressure control devices .
- The installation of any backflow prevention device must be in accordance with the Plumbing Code of Australia (PCA) and AS/NZS 3500.1 and comply with AS 2845.1:2010. Please refer to Installation Layout section: a dual check valve is recommended; a sing le check valve or non-return valve is not acceptable .
- Internal water pressure in buildings should be limited to a maximum of 500 kPa (0.5 bar). The recommended pressure reducer must be Water Marked and/or compliant with AS/NZS 3500.1 and installed in accordance with the Plumbing Code of Australia (PCA).
WARNING: Water pressure above 500 kPa may damage connected products including water filters and will void the product warranty.
IN-OUT directions and vent-valve (VV) location
Only use PTFE thread seal tape to seal filter connections. Using other types of sealing material may void the warranty.
Installation
- Water mains
- Dual check valve
- Pressure reducer
- By-pass (optional or check local authority guidelines)
- Anti-water hammer device (expansion vessel)
- Filtering unit of any model
- Isolating Valve
- Other Utilities
Discharge kit
a. Screw the plastic nipple with o-ring to the threaded port for
discharge on the bottom of the housing.
b. Screw on the ball valve to the nipple, making sure that the gasket of
the valve is in place.
c. Screw the ball valve to the drain funnel, making sure that the gasket
is in place.
WARNING: Ensure appropriate backflow prevention has been installed to comply with local and state government guidelines.
Connecting the filter discharge to drain
FIGURE 4
Using the drain funnel , connect the waste outlet to a suitable discharge
point, ensuring to comply to al l state and local government guidelines.
INSTALLATION START-UP AND FIRST USE
- Turn-off water mains.
- Avoid all kind of tensions by using original wall brackets as a support
- The installation of a by-pass is recommended.
- Connect the inlet to the product’s side with the indication IN and the outlet to the side with the indication OUT.
- Connect to pipes using cylindrical (parallel) fittings or US – conical (tapered) fittings, possibly with flexible hoses.
- Use only sealing tape as a sealant for the connections.
- If the product is supplied without cartridge/s, unscrew the housing bowl from head and insert the cartridge/s, lubricate the a-ring, then screw the bowl to head and tighten with original spanners.
- Turn-on water mains.
- Unscrew the vent-valve and wait for air purge, then screw and tighten the vent-valve. After installation, slowly turn on a water supply (tap) downstream the installed unit and let the water flow for at least 5 minutes to flush the system before use.
WARNING: Make sure that there are no water leaks from the product, ensure
you control the tightening between the housing head and the housing bowl.
Continue checking that the tightening is good and there is no water leakage
for 48 hours following the Installation and start-up. In case of leakage, open
the housing, remove the a-ring from t he bowl, place a new o-ring and apply
lubricant, then re-tighten the bowl to head and repeat the leakage check as
above.
WARNING: For correct operation of this appliance, it is essential to
observe the manufacturer’s instruction.
Product Specifications
Self Cleaning 2 Stage Filter System – Slim
COUNTRY | CODE | A | B | C | D |
---|---|---|---|---|---|
Australia | WFRW23 | 107 | 228 | 390 | 1″ BSP |
USA | WFRW123 | 4.21″ | 8.98″ | 15.35″ | 1″ NPT |
New Zealand | WFRW23 | 107 | 228 | 390 | 1″ BSP |
All dimensions are in mm unless otherwise stated.
TECHNICAL SPECIFICATIONS
Self Cleaning 2 Stage Filter System – Slim
Filter Housing
TEMPERATURE RANGE | WORKING PRESSURE |
---|---|
4 to 45 c | 50kPa (7.25psi/0.5bar) to 830kPa (120psi/8.3bar) |
BOWL BROKEN | REPLACE THE BOWL AND O-RING |
83 litres/min* | 3/4″ Brass BSP (20mm) US – 3/ 4″ Plastic N PT |
*Flow rate will depend on cart ridge selection, supply pipe pressure and size.
Thread Type
Included cartridges
- Prefilter Self-Cleaning Cartridge
TEMPERATURE **RANGE**| MICRON RATING| MATERIAL| REDUCES| AVERAGE LIFE-SPAN
---|---|---|---|---
4 to 45 c| 90 micron
(nominal)| Stainless steel| Sediment| Self-cleaning - Multi-Action Filter Cartridge
TEMPERATURE **RANGE| MICRON RATING| MATERIAL| REDUCES| AVERAGE LIFE-SPAN**
---|---|---|---|---
4 to 45 c| 10 micron
(nominal)| Eco-friendly
Carbon Block| Sediment, taste, colour, odour and chlorine| 3-6
months
Maintenance
Thanks to the self-cleaning pre-filter, the Self Cleaning 2 Stage Filter System – Slim can provide long-last improved performance if maintenance is correctly and regularly performed following the instructions indicated in Routine Maintenance .
- Periodically clean the housing with cold water and a soft sponge.
Routine Maintenance
STAGE 1 – Self-Cleaning pre-filter
Clean the filter cartridge in counter-current by opening the drain valve for 15/20 seconds. Washing the counter-current is performed as indicated in the Technical Specifications. If the cartridge is not perfectly clean after washing, repeat the operation with the same procedure one or more times until the desired cleanliness is reached. If acceptable cleanliness is not achieved for good filter operations, follow the Corrective Maintenance procedure described below.
STAGE 2 – Post-filter (Heavy Sediment; Self Cleaning 3 Stage Filter System – Slim model only) Replace the post-filter cartridge after 3-6 months or when a drop in downstream water pressure is observed.
STAGE 3 – Carbon filters (Multi-Action)
Replace the Multi-Action Filter cartridge at least every 3-6 months or if odors, colors or bad taste are noticed in the water or when a drop in downstream water pressure is observed.
Corrective Maintenance
Self-Cleaning pre-filter
Over time, routine cartridge cleaning may become difficult due to build-up on the cartridge net. In this case, cleaning is required as follows:
- Isolate water flow upstream from the filter
- Release filter pressure by opening the water tap downstream from the filter
- Open the filter unscrewing the cup from the head using the spanner (supplied)
- Remove the cartridge (wearing protective gloves to prevent scratches due to worn mesh)
- Clean the cartridge under a jet of cold water and use a soft brush to remove most impurities
- Insert the clean cartridge in the cup
- Screw the cup onto the head
- Following the procedure under “FIRST USE” to re-instate the filter
Heavy-duty Sediment and Multi-Action Filter Cartridge Replacement:
In the event of prolonged filter disuse, disconnect the device from the mains
and remove cartridges, storing them in a cool and dry place until next use.
- Flush system for 10 minutes after any period of non-use more than two days.
- For a period of non-use of two weeks or more, it may be necessary to replace the cartridge/s.
Filter Cartridge Replacement
- Before opening the housing turn-off water mains.
- Release the pressure from the product by un-screwing the vent-valve.
- Open the housing unscrewing the bowl from head.
- Remove the used cartridge.
- Wipe clean the filter housing with cold water and a soft sponge.
- Open the new cartridge wrap and discard wrap. Carefully read the leaflet/sticker for directions and keep it for future reference.
- Insert the new cartridge and place it into the housing.
- Lubricate the a-ring with lubricant or change with a new a-ring.
- Tighten the housing bowl to the housing head using original spanners. Do not over-tighten.
- Turn on water mains.
- Wait for air purge from the vent-valve, then screw and tighten the vent-valve.
- Slowly turn on water supply (tap) downstream of the installed unit and let the water flow for at least 5 minutes to flush the system before use. rain harvesting.
TROUBLESHOOTING
PROBLEM | CAUSE | SOLUTION |
---|---|---|
Water does not run from taps | Cartridge clogged | Clean the cartridge |
following the corrective maintenance procedure
Bowl broken| Replace the bowl and 0-ring
Cut-off valves and/or
By-pass closed
| Open the closed cut-off valve or by-pass
Unfiltered water runs from taps| Cartridge broken| Replace the
cartridge
Spring broken| Replace the spring
By-pass valve open|
Cartridge gasket ruined| Plastic Paddle
The cartridge does not clean during self – cleaning
operation| Insufficient pressure in the bowl| Check the drain pipe: if
pinched or bent, remove the problem;
Cartridge not correctly positioned in the bowl| Rotate the cartridge clockwise
– counter-clockwise so that it moves vertically without strain in the bowl
Water leaks between the filter head and bowl| Bowl O-ring ruined|
Bowl O-ring ruined
Water leaks from connections between pipes and from the sides
of the filter| Sealant (PTFE tape) insufficient| Add a few turns of PTFE
tape
Water leaks between the bowl and drain valve| Drain valve gasket
damaged| Replace the gasket
Supported by RAIN HARVESTING
A common misconception about collecting rainwater is that all you need is a
roof, a tank and some rain. This ‘tanking ‘ approach cannot always be relied
on to deliver the volume – or quality – of water that you require. That is
where we can help.
With some thought, your rain harvesting system can provide you with cleaner
water and lots of it. Whether you’re completely reliant on tank water or
wanting to keep the garden green, our simple steps will help you achieve your
goal.
The Rain Harvesting approach to rainwater collection involves using tested
andproven products to make quality rainwater available for use in and around
your property. You don’t need much to get started and you will be surprised
how easy it is to get the most out of your rainwater system.
HOW can we help you?
WARRANTY INFORMATION
Blue Mountain Co guarantees this product for 12 months from date of purchase.
Under this warranty we will replace the product or repair it free of charge.
Claims must be received by Blue Mountain Co
([email protected]) within 12
months of the date of purchase. The benefits conferred by this warra nty are
in addition to all other rights and remedies available in law in respect to
the goods and services to which it relates. Our goods come with guarantees
that can not be excluded under the Australian Consumer Law.
You are entire led to a replacement or refund for a major failure and for
compensation for any other reasonable foreseeable loss or damage. You are also
entitled to have the goods repaired or replaced if the goods fail to be of
acceptable quality and the failure does not amount to a major failure.
DISCLAIMER This product specification is not a complete guide to product
usage. Further information is available from Rain Harvesting Pty Ltd and from
the Installation and Operating Instructions. This specification sheet must be
read in conjunction with the Installation and Operating Instructions and all
applicable statutory requirement. Product specifications may change without
notice. © Rain Harvesting Pty Ltd
For more information or to find out how we can help, just give us a call on +61 7 3248 9600
Or visit our website at
rainharvesting.com
Documents / Resources
| RAIN
HARVESTING WFRW23 Self Cleaning 2 Stage Filter System
Slim
[pdf] Installation Guide
WFRW23 Self Cleaning 2 Stage Filter System Slim, WFRW23, Self Cleaning 2 Stage
Filter System Slim, Filter System Slim
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