Davey RainBank KRB1 Installation Instructions Manual Download | Manualshive

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12

6

6

1

2

5

1

2

3

In-tank Option

Model No. KRBS1&2

3

5

6

9

4

7

Above Ground Option

Model No. KRB1,2,3&4

9

4

Mains water supply
900kPa Maximum

1

3/4” BSP Male thread

2

3/4” BSP Male thread

3

Pump Power lead

4

RainBank Power lead

5

Stop valve

Warning:

Do not reconnect with
mains water supply

Important:

All pipework and outlet
fittings from RainBank must
be labelled to AS/NZS 3500.1

6

Float switch

7

Manual start button

8

Rainwater supply via pump

9

8

8

PUMP OUTSIDE TANK
OPTION - OVERALL

MODEL NO. KRB1, 2, 3 & 4

6

6

1

2

5

1

2

3

In-tank Option

Model No. KRBS1&2

3

5

6

9

4

7

Above Ground Option

Model No. KRB1,2,3&4

9

4

Mains water supply
900kPa Maximum

1

3/4” BSP Male thread

2

3/4” BSP Male thread

3

Pump Power lead

4

RainBank Power lead

5

Stop valve

Warning:

Do not reconnect with
mains water supply

Important:

All pipework and outlet
fittings from RainBank must
be labelled to AS/NZS 3500.1

6

Float switch

7

Manual start button

8

Rainwater supply via pump

9

8

8

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Summary of Contents for RainBank KRB1

Page 1: ... contact your Davey Dealer For help in locating your closest Dealer contact your appropriate Davey Support Centre listed on the back of this booklet INSTALLATION OPERATION TROUBLE SHOOTING INSTALLATION INSTRUCTIONS WMTS 477 2016 Lic WM 022042 ...

Page 2: ...cing specific and emerging market opportunities Many of these products have received multiple awards for innovation and excellence which have led to our induction into the Manufacturing Hall of Fame in Victoria Davey maintains leadership in quality with an environmental focus by holding ISO 9000 2001 accreditation and ISO 14000 environmental standard Davey is today a wholly owned subsidiary of GUD...

Page 3: ...to install RainBank 7 Before you start 9 Installation instruction 11 Pump outside tank option 12 Pump inside tank option 14 Float switch installation 18 Installation of Submersible Pumps 25 Priming Pumps 26 Maintaining RainBank 28 Trouble shooting RainBank 29 Warnings 32 Plumbers Tips 33 Davey Guarantee 35 Contact Details 36 ...

Page 4: ...of water a year Your actual savings depend on your roof catchment area rainfall and the size of your tank RainBank may allow you to claim tank rebates when installed on existing homes Check with your local water authority In some areas of Australia having a RainBank and using rainwater for your toilet and washing machine allows you to claim tank rebates paid by state governments and some councils ...

Page 5: ...3 Pump Power lead 4 RainBank Power lead 5 Stop valve Warning Do not reconnect with mains water supply Important All pipework and outlet fittings from RainBank must be labelled to AS NZS 3500 1 6 Float switch 7 Manual start button 8 Rainwater supply via pump 9 8 8 ABOVE GROUND OPTION MODEL NO KRB1 2 3 4 IN TANK OPTION MODEL NO KRBS1 2 TWO TYPES OF INSTALLATION see page 12 see page 14 ...

Page 6: ...RainBank senses a water demand and detects insufficient waterin the rainwater tank it will automatically allow the mains water to flow 5 If there is a power failure during a demand for water RainBank will automatically supply the mains water as backup What are the advantages of RainBank over conventional air gap systems RainBank is totally hands off and needs no maintenance or adjustment RainBank ...

Page 7: ...pipe Different types of RainBank Installations There are different ways a RainBank can be installed depending on your rainwater tank and pump configuration INSTALLATION TYPE 1 PAGE 16 Tank above ground Pump outside tank Float switch must be installed inside of tank Pump Kit KRB1 2 3 4 INSTALLATION TYPE 2 PAGE 21 Tank above ground Pump submersible inside tank Float switch incorporated with pump Pum...

Page 8: ...t KRB1 2 3 4 Different ways of installing the RainBank unit itself Exposed installation against wall under eaves Encased installation with unit and pump inside cover Integrated installation incorporated as part of tank system FV Mains In To House To House Mains In To House Mains In To House Mains In ...

Page 9: ...unit are protected from access by children and pets Other things we recommend to maximise the performance and serviceability of your RainBank Fit a first flush system to the guttering if possible to divert the initial run of water from the roof that may contain dirt and pollutants Fit a strainer to the top of your tank inlet to stop leaves entering the system Fit a 1 inch Y strainer with 200 micro...

Page 10: ...nwater and having to turn off the mains supply if the unit ever has to beremoved While RainBank does have an in built DUAL CHECK back flow prevention valve some water authorities require an additional external back flow valve to be plumbed into the mains water delivery line to prevent any possible contamination of mains water by rainwater particularly if the tank is partially or fully submerged Ch...

Page 11: ...ainer between the pump and the RainBank controller is recommended to stop foreign matter entering the unit and damaging it All pipe work and fittings should be labelled in accordance with local standards such as Australian Standard AS NZS 3500 1 This standard requires that all pipework containing rainwater is marked with green rainwater tape or stickers at 1 meter intervals and every outlet that m...

Page 12: ...e Ground Option Model No KRB1 2 3 4 9 4 Mains water supply 900kPa Maximum 1 3 4 BSP Male thread 2 3 4 BSP Male thread 3 Pump Power lead 4 RainBank Power lead 5 Stop valve Warning Do not reconnect with mains water supply Important All pipework and outlet fittings from RainBank must be labelled to AS NZS 3500 1 6 Float switch 7 Manual start button 8 Rainwater supply via pump 9 8 8 ...

Page 13: ...ut not supplied WHERE MAINS PRESSURE EXCEEDS 600kPa A PLV MUST BE FITTED TO INLET RainBank MUST BE INSTALLED HORIZONTALLY AS ILLUSTRATED Stop valve 20mm hole NOTE Australian Building Standards stipulate incoming mains pressure should not exceed 500kPa PUMP OUTSIDE TANK OPTION CLOSE UP WARNING DO NOT FIT CHECK VALVES BETWEEN RAINBANK PUMP AND TANK UNLESS PUMP IS ABOVE MAXIMUM WATER LEVEL OF TANK IM...

Page 14: ... 8 Rainwater supply 9 8 PUMP INSIDE TANK OPTION OVERALL MODEL NO KRBS1 2 6 6 1 2 5 1 2 3 In tank Option Model No KRBS1 2 3 5 6 9 4 7 Above Ground Option Model No KRB1 2 3 4 9 4 Mains water supply 900kPa Maximum 1 3 4 BSP Male thread 2 3 4 BSP Male thread 3 Pump Power lead 4 RainBank Power lead 5 Stop valve Warning Do not reconnect with mains water supply Important All pipework and outlet fittings ...

Page 15: ...k via 3 pin plug 3 4 BSP M 1 BSP M Stop valve 200 Micron Y Strainer Pressure Limiting Valve NOTE Australian Building Standards stipulate incoming mains pressure should not exceed 500kPa WHERE MAINS PRESSURE EXCEEDS 600kPa A PLV MUST BE FITTED TO INLET RainBank MUST BE INSTALLED HORIZONTALLY AS ILLUSTRATED WARNING DO NOT INSTALL CHECK VALVES BETWEEN PUMP AND RAINBANK IMPORTANT ALL PIPEWORK AND OUTL...

Page 16: ... 600mm x 600mm is ideal STEP 2 RAINBANK POSITION Work out where the RainBank will be positioned Check that there is a power point within reach of the 3 metre power lead IMPORTANT Do not use long mains power extension leads as they cause substantial voltage drop poor performance and can lead to motor overload Check that the float switch lead 9m long will reach the RainBank Mains In To House FS Inst...

Page 17: ... off retainer clip C from top of weight D 5 Position retainer clip 100mm from float ball E 6 Slide weight E over retaining clip and firmly snap into position 7 Lower weight into tank and feed top of cable through hole drilled in Step 3 8 Fasten with cable grommet to previously measured length A to B STEP 3b ALTERNATE SIDE ENTRY FLOAT SWITCH 32398 IMPORTANT The level switch is suitable for installa...

Page 18: ...he tank so that the incoming flow does not interfere with the operation of the switch Before cutting the hole check again that the 5m lead from the float switch will reach the RainBank and plug comfortably into it 1 Drill a 22mm hole in the side of the tank in the correct position A spade drill is the best tool for this job Ensure all swarf is removed from the hole If installing the switch in a co...

Page 19: ...mp and RainBank should be assembled so that the mains water supply to the unit and rainwater outlet to toilets and laundry connect easily to the plumbing on the same level STEP 5 CONNECT PUMP TO RAINBANK Connect your pump to the RainBank 1 Screw rotary coupling into outlet of pump teflon tape not required STEP 6 CONNECT PIPES Connect the RainBank to the mains water and delivery pipe plumbing IMPOR...

Page 20: ...hat require bracing If your access to the bottom of the RainBank unit is difficult you may have to connect the 5 volt connection from the float switch before the plumbing is connected Connect all leads STEP 7 1 Connect the pump power lead to the three pin socket underneath RainBank IMPORTANT This must connect to the RainBank controller not the power point If the pump is connected to the power poin...

Page 21: ...structions on how to do this for all types of Davey pump in the Priming section on page 26 4 Turn on a tap or flush a toilet in the rainwater system The pump should run and deliver rainwater Allow to run for several minutes to clear air from pipes The status light will now glow green 5 Remove the float switch connection from the RainBank this should stop the pump and confirms that the float switch...

Page 22: ... Installation Type 1 on page 19 Step 7 Connect all leads as per Installation Type 1 on page 20 There is no float switch lead as this is fitted to the submersible pump Step 8 Test the unit page 21 INSTALLATION TYPE 3 Below ground tank with submersible pump D42A B D53A B IMPORTANT Under AS NZS 3500 1 collecting storing rainwater in a partially buried tank is considered a medium level hazard Even tho...

Page 23: ...nwater in a partially buried tank is considered a medium level hazard Even though RainBank has a built in dual check back flow valve you may be required to fit additional backflow protection valves to satisfy this requirement NOTE To allow for the correct operation of your RainBank and for movement of the tank and pump which may occur over time the suction pipe must have a length of flexible sucti...

Page 24: ...ead It is recommended that the float switch extension lead s are in a protective cinduit The float end should be set up so it can fall no lower than 100mm above the level of the lowest point in the inlet pipe so the pump will always be shut off well before it can run dry or draw in air This is secured to the pump suction pipe with cable ties Allow no more than 100mm of cable between the float and ...

Page 25: ... with cable ties 3 Place pump into tank 4 Davey recommends the fitting of floating inlets to submersible pumps to minimise any possibility of sludge intake Part number to suit pump D42A B is FI 42 Cable tie PVC pipe Union Float switch Pump Handle IMPORTANT Do not pull on power lead Fit a rope to handle for lowering and raising pump ...

Page 26: ...at a slight but consistent slope so that any air is expelled at the pump end as the pump is primed 2 Hold down manual override button on the RainBank to operate pump to clear trapped air Make sure an outlet tap is open so that air and water can be dispelled and ensure the mains water is turned off until the pump is fully primed IMPORTANT Leaky joins can also cause a loss of prime NOTE The pump mus...

Page 27: ...elow the lowest water level for reliable operation Priming is as for Type 1 installations If there is a significant amount of water required to do this it can be a good idea to fit the highest area of the pipe with an access plug in a T piece so that the pipe can be filled more quickly with a bucket when repriming ...

Page 28: ...ly re starts the motor when the temperature within the pump has dropped to a safe level Constant tripping of this switch indicates a problem e g Low voltage at pump etc This automatic thermal overload switch can start the pump without warning Always disconnect the controller and or pump motor from the electrical supply before maintenance or repairs Care should also be taken when servicing or disas...

Page 29: ...Check all taps toilets and appliances connected to RainBank system to ensure they are turned off 3 Water is leaking on discharge side of RainBank system Check for leaks and repair 4 Rock or debris caught inside RainBank Call your plumber to fit a Y strainer RainBank will need to be returned to Davey TROUBLE SHOOTING RAINBANK SYMPTOM PUMP WILL NOT SWITCH OFF ...

Page 30: ...a pressurised water supply connected to inlet Press manual override button to simulate mains water flowing 7 Mains supply to RainBank turned off Turn on mains water supply Press manual override button to simulate mains water flowing Pump will start is rain water is available 8 Pump is faulty To confirm if the fault is within the pump plug the pump directly into power point and check to see if it s...

Page 31: ...cates direction of flow Mains water not passing through RainBank Possible cause debris is blocking inlet to RainBank Remove RainBank and clean inlet Check all filters are clean Mains water pressure and flow too low Possible cause there is a check valve or PRV installed between RainBank and tank Remove check valve or PRV from plumbing Check all filters in plumbing are clean Pump hums Possible cause...

Page 32: ...en your rainwater tank is connected to mains water Do not enter a empty rainwater tank they may contain hazardous gases Secure all openings to the rainwater tank to ensure it will not permit access to children Installation Inside Buildings To cater for possible plumbing leaks or damage to the RainBank system components the installation must include an enclosure that will capture any water spraying...

Page 33: ...ump and RainBank 4 Fit a stop valve on mains water line before RainBank makes servicing easier 5 Fit a stop valve between pump and tank outlet makes servicing easier 6 Check with local council plumbing teams for backflow requirements 7 Keep pipe work well braced as vibrations can become noisy 8 Fill rainwater tank above float switch with garden hose to check system 9 Make sure pump is full of wate...

Page 34: ...34 Notes ...

Page 35: ...meplate Your Davey Guarantee does not cover freight or any other costs incurred in making a claim Please retain your receipt as proof of purchase you MUST provide evidence of the date of original purchase when claiming under the Davey Guarantee Davey shall not be liable for any loss of profits or any consequential indirect or special loss damage or injury of any kind whatsoever arising directly or...

Page 36: ...mber of the GUD Group ABN 18 066 327 517 NEW ZEALAND Customer Service Centre 7 Rockridge Avenue Penrose Auckland 1061 Ph 0800 654 333 Fax 0800 654 334 Email sales dwp co nz Davey is a registered trademark of Davey Water Products Pty Ltd Davey Water Products Pty Ltd 2020 daveywater com P N 401336 12 RainBank is a registered trademark of Davey Water Products Pty Ltd ...

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