Flotec Autojet60 User manual

OWNER’S MANUAL

Should you the installer or owner be unfamiliar with the correct installation or

operation of this type of equipment you should contact the distributor/manufacturer

for the correct advice before proceeding with the installation or operation of this

product.

We recommend, for additional protection, the pump to be supplied from

socket outlet protected by a residual current device – RCD (also known

as an Earth Leakage Circuit Breaker – ELCB) with a maximum rated

residual current of 30mA.

AUTOJET &

MULTIMAX

For the installation, operation and service of

STAINLESS STEEL JET PUMPS

• Autojet60 • Autojet80 • Multimax120

Table of Contents Page

Model Data 3

Application 4

Installation 5

Operation 10

Service and Maintenance 11

Trouble Shooting 12

Warranty 13

Model Data

Model Motor

(W)

AJP60 600

AJP80 1100

MMP1200 1100

Technical Information

Inlet (Suction): 1” BSPF

Outlet (Discharge): 1” BSPF

Water Temperature Range: 1º - 40ºC

IP Rating: IPX4/F

Electrical Supply: 230V, 50Hz

single phase

Maximum Ambient temperature: 40 ºC

Application

Flotec AJ & MM Series pumps are suitable for pumping clean water in a

domestic water system, small irrigation applications, and as pressure booster

pumps. The strength of the stainless steel pump casing coupled with the

impervious nature of the technopolymer impeller and diffuser make it ideally

suited for most potable water pumping applications.

Installation

We strongly recommend this product be installed by a suitably

qualified person.

The electrical installation shall be in accordance with the national

wiring rules (AS/NZS 3000) for class 1, IPX4 rated products.

These instructions are a guide only. Users not familiar with pumping

equipment should seek advice from people experienced in pump

equipment and installation.

Freezing conditions will damage the unit, because when water

freezes it expands. Ensure that the pump is located so that it is not

prone to freezing, or ensure that the product is disconnected and

dried of water during cold conditions.

AJ & MM pumps are electrically connected. Ensure that they are

switched off and unplugged from socket outlet during installation

and any subsequent service work.

The pump is designed to be used with clean water in a residential

application. Do not use it with alternative fluids, abrasive, corrosive

or explosive fluids. Do not install or operate your pump in an

explosive environment or near combustible matter.

Incorrectly installed or tested equipment may fail, causing severe

injury or property damage.

Fire and burn hazard. Modern motors run at high temperatures. To

reduce risk of fire, do not allow leaves, debris, or foreign matter to

collect around the pump motor. To avoid burns when handling the

motor, let it cool for at least 20 minutes before trying to work on

it. Automatic thermal overload cut-out protects the motor for heat

damage during operation and it will restart without notice when the

motor cools down.

The pump is not intended for use by young children or infirm persons

without supervision. Young children should be supervised to ensure

that they do not play with the pump.

Read the following instructions in this owner’s manual when installing and operating

equipment.

1. Preparation for Installation

Inspect your pump for shipping damage. Report any damage to place of purchase.

We strongly recommend this product be installed by a suitably qualified person.

Make sure the suction piping is free of air leaks and is laid so that there can be

no airlocks.

Warranty of these pumps is void unless they are operated in accordance with

this owner’s manual.

2. Pump Protection

The pump should be protected from the weather, floods, chemicals, dust, vermin,

insects etc. It is highly recommended that the pump be housed in a weather

proof, well vented enclosure. If the pump is not adequately housed the warranty

may be deemed void.

3. Pipe Installation

Pumps can be damaged if care is not taken when connecting pipes. Pipes

should be supported so that the pump casing is not strained by the weight or

misalignment.

We recommend the pump and pipe are coupled using flexible type polythene

pipe, rubber hose or a multi-directional barrel union. This union coupling can

also be used to remove the pump for service should it be necessary without

having to cut pipes.

Pipe fittings should be carefully screwed onto the pump making sure not to

cross-thread or overtighten. We recommend the use of a moulded pipe fitting

to connect to the pump as this avoids possible damage to the pump threads and

unnecessary replacement of parts.

For best results use teflon tape to seal the joint. Satisfactory sealing can be

achieved by hand tightening fittings ensuring that no leaks are evident once

under pumping pressure.

4. Locating the Pump

Find a location for your pump as close to your water source as possible. Ensure

that this location is on a seperate footing from your home. To do this you can

mount the pump on a concrete tile or concrete base.

5. Power Source

Arrange for an electrician to install an outdoor 10A GPO electrical outlet near

the pump if there is not one there already.

6. Suction

This is the most important part of the installation as errors will cause significant

problems for the system in performance and longevity.

IMPORTANT: A gate valve must be installed at the tank outlets.

Installations where the tank base is below the pump

Installations where the tank base is level with the pump

To maintain optimum performance from your pump, the suction pipe should be:

- Kept to the shortest distance practical, but not shorter than

the recommended length.

- Re-enforced crush resistant (non-collapsable) hose or pipe.

- All fittings should be air tight.

- Pipes should be equal to or larger than the diameter of the

suction/inlet port.

- Ensure that the suction is completely submerged.

In-line strainers/filters are recommended and regular maintenance is required

to keep them clean and provide maximum pump pressure.

7. Discharge

The length and diameter of the discharge hoses/pipes will affect the pressure

and flow rate at which your pump operates. Pressure ratings of all components

must exceed the maximum pressure of the pump by an appropriate safety factor.

All pipework should be supported independently of the pump.

8. Pump Priming

Ensure that there is at least 200mm of water in your tank, (i.e. that the tank outlet

is covered, and the pump will not draw any air into the system). Open the gate

valve on the tank. Check for any leaks, and repair these if necessary.

If no leaks are present, remove the priming plug (fig.1) to open the priming port

on the top of the pump case.

If the tank is above the level of the pump, water will start to run out of this port.

Replace the priming plug (fig.1) carefully. Your pump is now ready to run.

(Note: If a check valve is installed in the suction line, water may not fill the pump.

If this occurs, follow the instructions below).

If the tank water level is below the level of the pump, you will need to fill the pump

body and suction line. Remove the priming plug (fig.1) and fill the pump body

and suction line using a funnel. It may take several attempts to prime the pump.

Failure to correctly prime the pump may result in damage to the mechanical seal and

cause the pump to leak water. This damage is not covered by warranty so care must

be taken to properly fill the pump with water prior to first operation.

9. Electrical

The pump is supplied with a interconnection appliance coupler and standard

Australian 10 Ampere plug and cord. Connection to the power supply is a matter

of inserting the plug into the suitable socket outlet. Before plugging the power

supply cord into the socket outlet, connect the pump to it using the provided IEC

appliance connectors on the end of the interconnection cords. Ensuring there are

no water traces on the connectors push them firmly into each other to ensure

intended splash (water) proof protection. This connection shall be separated

again only for service purpose and only after the power supply is removed by

unplugging the cord from the socket outlet.

The socket outlet shall be in a dry and flood free location; preferably do not use

extension cords for this very reason and because they can cause voltage drop.

Supply voltage outside limits specified in Model Data

can cause motor to overheat leading to overload

tripping, reduced component life or seriously damage

pump and voids warranty.

We recommend, for additional protection, the pump to

be supplied from socket outlet protected by a residual

current device – RCD (also known as an Earth Leakage

Circuit breaker – ELCB) with a maximum rated residual

current of 30mA.

WARNING

Hazardous voltage.

Can shock, burn, or

cause death.

Fig.1 Priming Plug

Operation

1. Start-up / Operation

Ensure you have primed the pump correctly. (Instructions on priming the pump

can be found in the installation section under Point 8. Priming Pump).

The MM Series pump is not self-priming and must be primed prior to use.

The AJ Series pumps are self priming therefore it is possible to start them

without filing the suction pipe with water. However it is still necessary to fill the

pump body. The priming operation requires a few minutes and it may also be

necessary to fill the pump body with water several times (accordingly to length

and diameter of the suction pipe).

Note: If the pump is not used for a long period of time, repeat the priming

procedure before start up.

Start the pump and check rotation of the motor. It rotates in a clockwise direction

when viewing the fan through the cowl behind the motor.

2. Protection switch

The AJ & MM Series of pumps have a built in thermal protection switch. The

pumps stops if an overload condition occurs. The motor restarts atomatically

after it has cooled down (see point 3 on trouble shooting section for information

on causes and corrective actions).

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