Davey HS20-65Y2 Bedienungsanleitung

NOTE: Prior to installation remove the red transport plugs & associated seals from the suction and/or

discharge ports.

WARNING: Failure to follow these instructions and comply with all applicable codes may cause serious bodily

injury and/or property damage.

Please pass these instructions on to the operator of this equipment.

Installation and

Operating Instructions

for Davey HS20-65Y2

Multistage Pump

Prior to using this pump you must ensure that:

• The pump is installed in a safe and dry environment

• The pump enclosure has adequate drainage in the event of leakage

• Any transport plugs are removed

• The pipe-work is correctly sealed and supported

• The pump is primed correctly

• The power supply is correctly connected

• All steps have been taken for safe operation

Appropriate details for all of these items are contained in the following Installation and Operating

Instructions. Read these in their entirety before switching on this pump. If you are uncertain as to any of

these Installation and Operating Instructions please contact your Davey dealer or the appropriate Davey

ofce as listed on the back of this document.

Congratulations on your purchase of a high quality, Davey pump. All components have been designed and

manufactured to give trouble free, reliable operation.

Model HS20-65Y2

1. Priming Plug

2. Removable Check Valve

3. Suction Inlet (11/4”NPSF)

4. Pump Body

5. Motor

6. Discharge Outlet (1” BSPF)*

* 1” BSPF will accept 1” NPT male ttings.

Choosing a Site

Choose a site with a rm base and as close to the water source as possible

with correct power supply. Make sure your pump is always connected to an

adequate, reliable source of clean water.

Housing your Davey Pump

To protect your pump from the weather, make sure the pump house is

water proof, frost free and has adequate ventilation. The pump should be

horizontally mounted on a rm base allowing for drainage, to avoid damage

to ooring etc. that over time may occur from leaking pipe joints or pump

seals. Do not mount the pump vertically.

Do not use this pump to pump ammable uids, such as gasoline or

diesel fuels.

Abrasive Materials

The pumping of abrasive materials will cause damage to the pump which will

then not be covered by the guarantee.

Before installing your new pump, please read all instructions carefully as failures caused by incorrect

installation or operation are not covered by the guarantee. Your Davey pump is designed to handle clean

water. The pump should not be used for any other purpose without specic referral to Davey. The use of the

pump to pump ammable, corrosive and other materials of a hazardous nature is specically excluded.

NOTE: Your Davey Multistage Pump is designed to operate as a manual pump or as a pump for

an irrigation system started by a pump start relay.

~ 2 ~

WARNING: Some insects, such as small ants, nd electrical devices attractive for various

reasons. If your pump enclosure is susceptible to insect infestation you should implement a

suitable pest control plan.

~ 3 ~

Electrical Connection

HS20-65Y2 models are 230 volt 60Hz only.

They should be connected as per the wiring

diagram (Right). The colour codes are: Green

= Ground/Earth, Black = Hot, Active or L1,

White = Neutral or L2.

To t the power lead to the HS20-65Y2, follow the

instructions below :-

1. Remove terminal cover from end of motor.

2. Feed power lead through hole in end shield

(see A on illustration). Fit grommet (B) to

lead.

3. Fit wires to the terminal block (C) as shown

in wiring diagram above.

4. Attach earth lead (green/yellow) at the earth

screw (D).

5. Put grommets from power lead in slots in

end shield as illustrated.

6. Put power lead into tortuous path on end

shield (E).

7. Tidy up power and capacitor leads, and

other wiring, to avoid pinching when the

terminal cover is replaced.

8. Replace terminal cover.

Connect power cord to power supply designated on pump label. Do not

use long extension cords as they cause substantial voltage drop, poor

pump performance and may cause motor overload.

Power connections and wiring must be carried out by an

authorized electrician.

Never run pump dry.

This pump is not to be used by children or inrm persons and

must not be used as a toy by children.

All wiring must conform to National (NEC), CSA, state, provincial, and local codes. Power supply

voltage, phase and controls must match motor.

Always disconnect and lockout all electrical power when installing or working on pumps,

motors or switches. Ensure the power supply breaker is off or the disconnect (where used)

is off.

NOTE: Suction leaks are the largest cause of poor pump performance and are

difcult to detect. Ensure all connections are completely sealed using thread tape

only. An air leak on the suction may not drip water!

~ 4 ~

For best performance use pipes at least the same diameter as the pump’s inlet and delivery outlet openings.

Larger diameter pipe may be used to minimise resistance to ow when pumping longer distances. When pump

is installed with incoming pressure (eg. boosting municipal supply) smaller inlet and outlet pipes may be

adequate.

Use unions at pipe connections to enable easy

removal and servicing. Use sufcient tape to

ensure airtight seal and hand tighten only. To

prevent strain on pump threads always support

heavy inlet and outlet pipes.

If there is a likelihood the water supply may contain solid particles

such as pieces of plant or vegetable matter, a lter should be installed

before the pump to avoid blocking of water ways. Ensure lter is

cleaned regularly. Lay suction pipe at a constant gradient to avoid air

pockets which may reduce pump efciency.

Do not use pipe thread sealing compound on any part of this

pump. Only use teon sealing tape.

Ensure wall socket is correctly grounded. Grounding of the

motor is essential for your protection and the protection of the

motor.

Failure to ground motor can cause severe or fatal electrical

shock hazard.

Do not ground to a gas supply line.

Supply voltage must be within +10% of nameplate voltage.

Incorrect voltage can cause re or seriously damage motor and

voids warranty. If in doubt consult a licensed electrician.

If possible, connect pump to a separate branch circuit with no

other appliances on it.

DRIVEN SIZE MESH APPROX. MAX. CAPACITY OF DRIVEN POINT

11/4” 60 200 - 350 gal/hr

11/2” 60 350 - 600 gal/hr

2” 60 600 - 1150 gal/hr

Abrasive Materials

The pumping of abrasive materials will cause

damage to the pressure system which will

then not be covered by the guarantee.

BELOW GROUND WATER SOURCES

Whenever the installation position of the pump is higher than 3ft above the lowest water level, a foot valve

must be used on the end of the suction pipe as

illustrated in (A). Ensure that the foot valve is at

least 11/2feet below minimum water level.

(DRIVEN) POINT INSTALLATIONS

When a HS Multistage Pump is installed on a

(driven or well) point, a check valve must be tted

immediately on top of the driven point itself, as

shown in (B). DO NOT INSTALL THE CHECK

VALVE AT THE PUMP OR AT THE TOP OF THE

WELL. DO NOT RUN THE PUMP WITHOUT

WATER. NOTE: Be certain to select the driven

point to suit the well conditions and regulate

the ow rate from the pump accordingly.

Driven point ow capacities vary considerably. Check with the supplier

to ensure the pump and spear point are correctly matched.

~ 5 ~

Where to use Check Valves and Foot Valves

Installations with a suction lift over 3ft require a good quality foot valve to

avoid loss of prime. In this case, the check valve inside the pump should

be removed or overridden (refer pg 6).

Connection to your Water Source

FLOODED SUCTION - FROM CISTERN OR STORAGE TANK

Installations with ooded suction require a gate valve so water

supply can be turned off for pump removal and servicing.

~ 6 ~

Inlet Check Valve Removal / Override

If your installation requires the removal of the in-built check valve or the in-

built check valve requires removal for servicing, this can be achieved without

difculty. The in-built check valve is a cassette design, which is screwed in

through the suction inlet.

Removal of the check valve cassette is achieved by inserting any suitable tool

(eg. a pair of pliers or the handle from an adjusting spanner) into the inlet.

The check valve cassette has various ribs and recesses to allow a variety of

nonspecic tools to be used in the removal or insertion process.

Priming and Operation

1. Ensure outlet nearest to pump is open.

2. Remove priming plug, located above suction inlet, and ll casing and suction

line (on ooded suction, simply open gate valve to pump). When full,

replace priming plug.

3. Ensure all valves in suction line are open.

4. Switch on power and the pump will run. A full ow of water should

be discharged from the open tap within a few seconds.

5. If the pump fails to obtain ow (prime) or ow is unsatisfactory go to steps 5a or 5b as applicable.

a) If a partial ow only was established, re-prime and re-start the pump until ow is evident from

the open discharge. This should only take approximately 15 seconds.

b) If no ow at all was established before the pump was stopped, repeat the process from step 1.

Never operate your Davey pump for more than a few seconds

without discharge ow.

Where freezing may be a problem, all pipework should be buried and/or insulated (lagged) to prevent this

happening. Your Davey pump should be housed in an enclosure which does not experience temperatures

below freezing (32oF).

Trouble Shooting Check List

MOTOR RUNS WHEN SWITCHED ON BUT DOES NOT PUMP

1. Suction line and pump body not lled with water.

2. Air leaks in suction lines or suction pipe not under water.

3. Air trapped in suction lines (also possible with ooded suction due to uneven rise in piping: eliminate

humps and hollows).

4. No water at source or water level too low.

5. Valve on suction lines closed.

PUMP WORKS FINE AT FIRST, THEN FLOW DROPS SUBSTANTIALLY

1. Blocked lters - check to ensure all lters (if installed) are clean and free from blockage.

2. Flow may be limited from source (eg. too small a supply line and/or inadequate ow). Install a holding

tank before the pump if the source cannot be improved.

MOTOR DOESN’T START WHEN SWITCHED ON

1. Power not connected or no power available from supply outlet.

2. Supply voltage too low - check supply voltage.

3. Incorrect supply voltage (eg. HS20-65Y2 is 230V only).

4. “Over temperature” cut-out tripped - switch off, wait 10 minutes and switch on again.

5. Motor not free to turn - eg. a jammed impeller.

6. Internal motor fault.

During servicing, use only approved, non-petrochemical based oring and gasket

lubrication. If unsure, consult your Davey dealer for advice.

Care should also be taken when servicing or disassembling pump to avoid possible

injury from hot pressurized water. Unplug pump, relieve pressure by opening a tap

on the discharge side of the pump and allow any hot water in the pump to cool before

attempting to dismantle.

WARNING: When servicing or attending pump, always ensure power is switched off and

lead unplugged. Electrical connections should be serviced only by qualied persons.

WARNING: Do not use hydrocarbon based or hydrocarbon propelled sprays around the

electrical components of this pump.

Motor normally operates at high temperature and may be too hot to touch. Before

handling pump or motor, stop motor and allow it to cool.

~ 7 ~

FREEZING CONDITIONS: In situations subject to freezing, drain water

from pump & pipework to avoid damage not covered under guarantee.

P/N 49433-3

AUSTRALIA

Davey Support Centre

6 Lakeview Drive,

Scoresby, Australia 3179

Ph: 1300 367 866

Fax: 1300 369 119

Website: davey.com.au

Davey Water Products Pty Ltd

Member of the GUD Group

ABN 18 066 327 517

NEW ZEALAND

Davey Support Centre

7 Rockridge Avenue,

Penrose, Auckland 1061

Ph: 0800 654 333

Fax: 09 527 7654

Website: daveynz.co.nz

® Davey is a registered trademark of Davey Water Products Pty Ltd.

* Installation and operating instructions are included with the product when purchased new.

They may also be found at davey.com.au

Davey®Repair or Replacement Guarantee

1. The guarantee period commences on the date of original purchase of the equipment.

Evidence of this date of original purchase must be provided when claiming repairs under

guarantee. It is recommended you retain all receipts in a safe place.

2. Davey products are warranted to the original user only to be free of defects in material

and workmanship for a period of 12 months from date of installation, but no more than 24

months from date of manufacture. Davey’s liability under this warranty shall be limited to

repairing or replacing at Davey’s option, without charge, FOB Davey’s distribution center

or authorized service agent. Davey will not be liable for any costs of removal, installation,

transport or any other charges that may arise in connection with the warranty claim.

3. This guarantee is subject to due compliance by the original purchaser with all directions

and conditions set out in the Installation and Operating Instructions. Failure to comply

with these Instructions, damage or breakdown caused by fair wear and tear, negligence,

misuse, incorrect installation, inappropriate chemicals or additives in the water, inadequate

protection against freezing, rain or other adverse weather conditions, corrosive or abrasive

water, lightning or high voltage spikes or through unauthorized persons attempting repairs

are not covered under guarantee. The product must only be connected to the voltage

shown on the nameplate.

4. Davey shall not be liable for any loss of prots or any consequential, indirect or special loss,

damage or injury of any kind whatsoever arising directly or indirectly from the product or

any defect, and the purchaser shall indemnify Davey against any claim by any other person

whatsoever in respect of any such loss, damage or injury.

5. Some states do not allow the exclusion or limitation of incidental or consequential damages

or limitations on how long an implied warranty lasts, so the above limitations or exclusions

may not apply to you. The warranty gives you specic legal rights and you may also have

other rights which vary from state to state.

6. This guarantee applies to all states and territories of United States of America and Canada

only.

®Davey and Torrium are registered trademarks of Davey Water Products Pty Ltd.

USA

Have installment questions or problems?

Need warranty?

Before returning this product to your dealer contact a

Davey Authorized Service Centre in USA by calling 86.328.7867

or visit www.daveyusa.com

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