Bianco RainsaverMK3E Manuale utente

INSTRS110110 rev 5 01/01/14 Page 1

Bianco RainsaverMK3E Installation and Operating Instructions

Bianco RainsaverMK3 is WaterMark Level 1 approved to ATS5200.477:2006 Certificate No.

23022 and incorporates internal dual check valve back flow prevention for the mains water.

INSTRS110110 rev 5 01/01/14 Page 2

Bianco Rainsaver MK3E Installation and Operating Instructions

1. Introduction:

The Rainsaver MK3E is an Automatic Rainwater / Mains Water Changeover Device designed to

provide automatic mains back up for Pressure Pump supply systems.

The Bianco Rainsaver MK3E is designed to be installed in conjunction with a DAB or Bianco

surface mounted or submersible Pressure Pump supply system that is fitted with a FLOAT SWITCH

(except for the DAB DIVERTRON) as well as an independent PRESSURE AND FLOW

CONTROLLER with LOSS OF PRIME PROTECTION and AUTOMATIC RE-START.

WARNING! The Rainsaver MK3E is NOT A PUMP CONTROLLER!

2. General Specifications:

Controls pumps to a maximum 1.5 hp, 1.1 kW 240V.

Maximum water temperature (mains + pump): 400 C.

Maximum recommended continuous pump flow: 100 litres per minute.

Maximum recommended pump pressure: 800 kPa.

Maximum recommended mains inlet pressure: 800 kPa.

3. Operation:

The RainsaverMK3E supplies clean rainwater from a rainwater tank via an automatic pressure

system pump to toilets, laundry and garden taps in a household.

Mains water is also connected to the RainsaverMK3 as an automatic back up should rain water level be

too low, or if there is a power or pump* failure).

*Should there be a pump failure, mains back up is achieved by turning the RainsaverMK3E off at the

power point.

The low voltage float switch supplied prevents the pump from running dry and allows automatic switch

over to mains supply should the rain water level in the tank be too low.

4. Installation:

4.1 Pump Float Switch installation.

The 10m, 12V DC low voltage float switch supplied, prevents the pump from running dry and allows

automatic switch over to mains supply. It is supplied complete with a counterweight and water tank

mounting plate, and is designed to enter the rainwater tank from the roof of the rainwater tank.

Choose a location on the roof of the rainwater tank to cut the 85mm hole required. The centre of the

hole should be at least 200 mm away from the side of the tank as well as being 200mm away

horizontally from tank rainwater entry and rain water tank outlet. Any shavings should be removed

with a vacuum cleaner.

Uncoil and lay out the float switch cable. Move the counterweight so that it is 200 mm from the float

switch. Tighten the cable gland on the counterweight to lock it in position.

Position the float switch cable in the water tank mounting plate so that the distance between the

mounting plate and the end of the float switch is 100 mm less than the depth of the tank when

measured from the float switch access hole, and tighten the cable gland and conclamp.

Submersible pumps supplied with the RainsaverMK3E may have a pump mounted float switch which

needs to be cable tied so that it is always in the vertical position.

INSTRS110110 rev 5 01/01/14 Page 3

4.2 RainsaverMK3E installation.

The RainsaverMK3E must be mounted in the horizontal position, and the RainsaverMK3E

power socket to accept the pump power lead must hang in the down position.

The RainsaverMK3E can be Wall mounted or Pump Mounted i.e. mounted directly onto a pressure

pump outlet. The steel wall mounting bracket, which is connected to your RainsaverMK3E, can be

rotated to allow the unit to be wall mounted in either direction, or may be removed for pump

mounting.

4.21 Wall Mounting:

The RainsaverMK3E can be mounted outdoors on a flat vertical surface.

The RainsaverMK3E can be mounted with the mains inlet pointing in either direction.

Pressure tank pre-charge pressure should be 65% of pump maximum pressure.

Wall Mounting Instructions:

- To reverse the mounting direction, so that “Mains” inlet will be on the left side and

“House” outlet on the right, follow the first steps of Pump Mounting Instructions below to

remove and reverse the mounting bracket. Then continue:-

- Remove the RainsaverMK3E lid by unscrewing the 4 Phillips head screws

- Hold the RainsaverMK3E in the desired position and mark the screw centres through the

keyhole slots in the mounting bracket. Return the RainsaverMK3E to the box.

- Drill and insert mounting hardware into the mounting surface (wall). Insert screws leaving

a few millimetres under the head to allow insertion of the mounting bracket

- Mount the RainsaverMK3E onto the screws through the keyhole slots in the mounting

bracket. Tighten screws to secure the bracket to the wall

- Replace the RainsaverMK3E lid and re-tighten the four (4) lid screws.

INSTRS110110 rev 5 01/01/14 Page 4

4.22 Pump Mounting:

RainsaverMK3E can be mounted directly onto the outlet of the pump with the adaptor supplied. If

another size threaded port is found on the pump or controller outlet use quality standard plastic

threaded pipe fittings to adapt.

Pump Mounting Instructions:

- Remove wall mounting bracket by unscrewing the lower (Pump Inlet) union nut using the

plastic spanner provided. Remove the union nut and pipe being careful not to lose any of

the internal components.

- Unscrew the two bracket holding screws and remove the bracket.

- REPLACE THE BRACKET HOLDING SCREWS into the housing. This will stop insects

creating a nest inside the Rainsaver Unit.

- Replace the lower union nut and pipe being sure that internal components are in place

and that the o-ring is properly seated.

- Leave the lower union nut slightly loose to allow fitting and alignment to pump.

- Attach the ¾” BSPT male pipe fitting to the pump outlet, either directly, or using plastic

threaded pipe fittings as required, and tighten using the spanner provided.

- Once the ¾” BSPT pipe fitting is secured to the pump and the RainsaverMK3E aligned

as required, tighten the lower nut with the plastic spanner provided.

Note: Tank outlet should be 100mm from the bottom of the tank. See ARID handbook.

Note: The female socket from the Rainsaver must hang down.

Note: It is recommended that all surface mounted pumps be protected from the elements.

INSTRS110110 rev 5 01/01/14 Page 5

4.4 Filtration and Water Quality

The Bianco Rainsaver MK3E is designed to operate on clean rainwater and clean mains water

supply, and as such, the rainwater tank should be fitted with an inlet strainer, preferably shaded type

to reduce algae, and a suitable first flush device.

White International strongly recommends the use of a strainer or filter upstream with easy access for

period cleaning from both the rainwater and mains inlet connections of the Bianco Rainsaver MK3E.

Additional water filters may be required. Also check the water tank and first flush diverter as per

manufacturers’ instructions regarding periodic servicing that is required.

Filters need to be checked regularly as reduced flow caused by blocked filters can damage pumping

equipment.

4.5 Plumbing

Plumbing connections should be carried out by a licensed plumber.

Use of flexible pipe connections and isolation vales is recommended to assist in alignment and

servicing and to reduce any transmitted noise.

Use a standard ¾” compression x F.I. union or Compression x F.I. elbow fitting to connect between

¾” copper tubing and ¾” BSPT threaded pipe fitting at the “MAINS” inlet, “PUMP INLET”(if unit is

wall mounted), and “HOUSE” outlets.

Use standard ¾” BSP female threaded fittings to connect to ¾” BSPT threaded pipe fitting when

connecting other types of piping.

DO NOT REMOVE THE UNION NUT AND ¾” BSPT PIPE FITTING AND ATTEMPT TO CONNECT

PIPE WORK DIRECTLY TO THE BODY OF THE UNIT!

DO NOT ATTEMPT TO CONNECT COPPER OR PLASTIC PIPE, USING COPPER OR NYLON

OLIVES, AND COMPRESSION NUT DIRECTLY TO THE ¾” BSPT PIPE FITTING!

Always use the spanner provided, or correct open ended spanner, when tightening fittings.

All pipe-work and outlet fittings from the RainsaverMK3E must be labelled to AS3500.

The RainsaverMK3E control incorporates a dual check valve to prevent cross connection between

mains and rainwater. Connection to an underground rain water tank, or local water supply authorities,

may require additional, or higher safety level, back flow prevention, and your licensed plumber can

advise you on this.

The incorporation of an additional “Tee”fitting between the tank water pressure pump supply, and the

RainsaverMK3E lower “PUMP INLET”, will allow the householder to use collected rainwater, but

NOT mains water supply, to irrigate gardens and lawns, or wash cars.

INSTRS110110 rev 5 01/01/14 Page 6

4.6 Pressure Tank Outlet

The RainsaverMK3E is supplied with an additional outlet specifically designed for the installation of a

pressure tank.

The installation of a pressure tank will:

- Reduce wear and tear on your pump by significantly reducing the number of starts

- Reduce your electricity consumption by significantly reducing the number of starts

- Reduce the incidence of “pressure drop” when opening a tap

- Stop your pump kicking in every time you open a tap or because of a small leak, like a

dripping tap, or toilet cistern.

To install a WATERMARK approved pressure tank:

- Turn off both mains water supply pressure and your rainwater tank pump and supply

- Open a tap to remove all pressure from the system

- Using the spanner supplied, remove the ¾” plug from the “AUX. OUTLET”port. Note that

there is an o-ring inside the body of the Rainsaver which can be left in place if using a ¾”

BSP fitting, or removed if using a ¾” BSPT fitting.

- Use a suitable flexible reinforced hose with ¾” BSP or BSPT MALE THREAD to connect

a WATERMARK approved pressure tank such as a GWS Energy Saver to your

RainsaverMK3E.

- Carefully follow the manufacturer’s instructions regarding pressurization of your

pressure tank.

4.7 Pressure Tank Pre-charge.

To ensure optimum performance and system life, the Pressure Tank pre-charge needs to be set by

filling the pressure tank with air through the air valve so that the air pressure is 65% of the pump

maximum pressure.

Pre-charge the pressure tank before it is installed by using an air pump or using the local service

station facilities.

Cautions:

In conjunction with this manual, read and understand the installation and maintenance manual for the

water pump that is to be connected to the RainsaverMK3E.

The RainsaverMK3E and any pump connected to it are not to be used by children or infirm persons

and must not be used as a toy.

If the supply cord is damaged, it shall be replaced by the manufacturer or its service agent or similarly

qualified person in the order to avoid the hazard.

Mains plug shall be connected in to an appropriated IP rated socket outlet (Note: This requirement is

necessary as to meet the requirements of the equipment mounting outdoors)

A licensed plumber should carry out plumbing connections.

Servicing of the RainsaverMK3E and, or water pump should only by carried out by qualified persons.

Do not clean the RainsaverMK3E with abrasive or petroleum based fluids, and do not use

hydrocarbon propelled sprays on or around the RainsaverMK3E.

INSTRS110110 rev 5 01/01/14 Page 7

5. Sound Emissions.

The RainsaverMK3E is virtually silent but may emit noises associated with the flow of water through

the unit.

In any case, the pump, which is connected to the RainsaverMK3E, may emit sound levels, which

may inconvenience you or your neighbours, or may operate during normal sleeping hours, which may

be prohibited by local government regulations. If this is the case, your RainsaverMK3 can be

switched off during the night or may be operated from a time clock. Your RainsaverMK3E will

automatically supply your house with Mains water supply while the pump is inactive.

6. Maintenance.

Ensure that water flowing through the Rainsaver MK3E is as free from dirt and foreign matter as

conditions allow.

Ease of accessibility will aid any maintenance and reduce any servicing costs if required.

Periodically inspect the rainwater tank inlet strainer and the first flush device. Periodically inspect

filters downstream and strainers if fitted upstream from the Bianco Rainsaver MK3E every 6 months

depending on water quality and usage.

Operate the Rainsaver on mains regularly or at least once a month by turning the power off to the

RainsaverMK3E.

7. Trouble shooting.

Consult the manuals supplied with the water pump and its controller if fitted in addition to the

following guide.

1. Mains flow is not available or low when Pump is switched off or not operating.

a. Isolation valve, if fitted, is not open.

b. Debris has jammed the mains inlet check valve closed.

c. External Inlet strainer / filter, if fitted, are blocked.

2. Pump flow is not available or low when pump is operating through Bianco Rainsaver

MK3E.

a. Pump has lost its prime.

b. Isolation valve, if fitted, is not open.

c. Debris has jammed the pump inlet check valve closed, or has blocked the check

valve.

d. External Inlet strainer / filter, if fitted, is blocked.

3. Pump does not start.

a. Rainwater tank is empty.

b. Power supply is off.

c. Float switch is not installed correctly.

d. Pump controller is not installed correctly or jammed with debris.

e. Pump has a fault.

4. Pump does not stop.

a. Leak in plumbing.

b. Pump controller is not installed correctly or jammed with debris

c. Float switch is not installed correctly.

Note* Should there be a pump failure, mains back up is achieved by turning the RainsaverMK3E off at

the power point.

For after sales service please contact White International Customer Service: 1300 783 601.

INSTRS110110 rev 5 01/01/14 Page 8

8. Pumps

Pumps and pump controllers must be accessible and fitted with barrel unions for service and

maintenance.

It is recommended that all surface mounted pumps be protected from the elements with a suitable

pump cover.

Submersible pump accessories such as pump stands, high inlets, floating suction hose kits assist in

the pumping cleaner water that is found at higher levels in the rainwater tank.

See pump installation accessories on page 13.

9. Water Tanks

Water borne algae and roof litter can accumulate at the bottom of your rainwater tank that can be

sucked up by your pump. To reduce filter blockages we recommend that suction outlets on rainwater

tanks be 100 mm from the bottom of the tank (see page 10), and submersible pumps elevated by 90

mm (see pages 10,11).

INSTRS110110 rev 5 01/01/14 Page 9

Installation Dimensions

INSTRS110110 rev 5 01/01/14 Page 10

Typical Installations.

DAB or BIANCO surface mounted pumps.

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