background image

13

RAIN

W

AT

ER

SUPP

LY

from discharge of rainwater pu

m

p

Power to pump vi

a

3 pin socket - plug th

e

rainwater pump in here

.

1" BSP 

M

200m

m

200

m

m

TO

TO

ILETS

AND/O

R

LAUNDR

Y

(do not mix/cross-connect with mains water supply

)

* Pressure Limiting Valve

MAINS

WA

TER SUPPL

Y

3/4" BSP 

M

Incoming powe

r

to RainBan

k

via 3 pin plu

g

3/4" BSP 

M

Stop valv

e

200 Micron ‘Y’ Straine

r

recommended but no

t

supplied.

WHERE MAINS PRESSURE EXCEEDS 600kPa. A PLV*

 

MUST

 BE FITTED TO INLET!

RainBank

 

MUST

 BE INSTALLE

D

HORIZONTALLY AS ILLUSTRATED

.

Stop valve

20mm hol

e

NOTE: Australian Building Standards stipulat

e

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.

IMPORTANT: ALL PIPEWORK AND OUTLET FITTINGS FROM RAINBANK MUST BE LABELLED 
TO AS/NZS 3500.1. TANK MUST HAVE ISOLATION VALVE FITTED. DO NOT CONNECT WITH 
CRIMPED FITTINGS.

Summary of Contents for RainBank KRBS1

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...

Page 2: ...ing 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...

Page 3: ...o 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 Pum...

Page 4: ...f 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 l...

Page 5: ...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...

Page 6: ...ainBank 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 w...

Page 7: ...ipe 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...

Page 8: ...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 incorporate...

Page 9: ...nit 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 di...

Page 10: ...water 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...

Page 11: ...iner 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 standar...

Page 12: ...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...

Page 13: ...t 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 stipulat...

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 900kP...

Page 15: ...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 PRE...

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...

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 ca...

Page 18: ...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 comforta...

Page 19: ...p 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 RAINBA...

Page 20: ...at 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...

Page 21: ...tructions 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 r...

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 INSTA...

Page 23: ...water 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...

Page 24: ...ad 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 inl...

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 Cabl...

Page 26: ...t 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 o...

Page 27: ...low 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...

Page 28: ...y 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...

Page 29: ...heck 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 caug...

Page 30: ...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...

Page 31: ...ates 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...

Page 32: ...n 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...

Page 33: ...mp 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...

Page 34: ...34 Notes...

Page 35: ...eplate 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 purch...

Page 36: ...ber 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 tradem...

Reviews: