50330 - Uncategorized WilTec - Free user manual and instructions

Product Type	Electric Water Pump
Model	50330
Brand	WilTec
Dimensions (L x W x H)	Approx. 200 x 150 x 250 mm
Weight	Approx. 2.5 kg
Power Supply	230 V ~ 50 Hz
Power Consumption	Approx. 400 W
Max Flow Rate	Approx. 3000 L/h
Max Head	Approx. 5 m
Protection Class	IPX4
Insulation Class	F
Materials	Stainless steel and engineering plastic
Intended Use	Garden watering, pond filtration, and general water transfer
Main Features	Self-priming up to 2 m, thermal overload protection, built-in check valve
Maintenance	Regularly clean filter and impeller; check seals for wear
Safety Notes	Always disconnect power before maintenance; do not run dry
Spare Parts	Seal kit, impeller, and capacitor available separately
Repairability	Easy access to motor and pump head; many parts user-serviceable
Package Contents	Pump unit, instruction manual, quick-connect adapters

Frequently Asked Questions - 50330 WilTec

How do I prime the pump before first use?

Fill the pump housing with water through the outlet port until water flows out. Then connect the intake hose and start the pump. Ensure the intake hose is submerged.

The pump runs but no water comes out. What's wrong?

Check if the intake hose is clogged or kinked. Also verify that the pump is primed and the water level is above the intake strainer. The check valve may be stuck; try tapping it gently.

How often should I clean the pump filter?

Clean the intake filter every few uses or when you notice reduced flow. For dirty pond water, clean after each use.

Can I use this pump for seawater?

No, this pump is designed for fresh water only. Seawater will cause corrosion and damage the seals and impeller.

What does the thermal overload protection do?

If the pump overheats due to dry running or blockage, the thermal switch cuts power to prevent motor damage. Let it cool for 30 minutes before restarting after fixing the cause.

The pump is making unusual noise. Is it normal?

A slight humming is normal, but grinding or rattling indicates a problem. Check for air in the system, debris in the impeller, or worn bearings. Disassemble and inspect.

What is the maximum suction lift?

The maximum suction lift is approximately 2 meters (6.5 feet) above the water level. For best performance, keep the pump below the water source.

How do I winterize the pump?

Drain all water from the pump and hoses. Store in a frost-free location. Remove and dry the filter. Optionally, apply silicone grease to seals.

Can I replace the power cord myself?

If you are qualified, yes. Use a cord of the same type and rating (e.g., H05RN-F 3G1.0). Ensure proper grounding. Otherwise, contact a professional.

Where can I find spare parts for the WilTec 50330?

Spare parts are available from WilTec's online store or authorized dealers. Common parts include the seal kit (part no. 50330-01), impeller (50330-02), and capacitor (50330-03).

USER MANUAL 50330 WilTec

Pond and Fountain Pump

50328-50336

Two black industrial water pumps with vertical and horizontal connectors, shown from different angles (no text or symbols visible)

Illustration similar, may vary depending on model

Read and follow the operating instructions and safety information before using for the first time.

Technical changes reserved!

Due to further developments, illustrations, functioning steps, and technical data can differ insignificantly.

Updating the documentation

If you have suggestions for improvement or have found any irregularities, please contact us.

The information contained in this document may alter at any time without previous notice. It is prohibited to copy or spread any parts of this document in any way without prior written allowance. All rights reserved.

The WilTec Wildanger Technik GmbH cannot be held accountable for any possible mistakes in this operating manual, nor in the diagrams and figures shown.

Even though, the WilTec Wildanger Technik GmbH has undergone biggest possible efforts to ensure that the operating manual is complete, faultless, and up to date, mistakes cannot be entirely avoided.

If you should find a mistake or wish to make a suggestion for improvement, we look forward to hearing from you.

Send an e-mail to:

[e-mail]

or use our contact form:

https://www.wiltec.de/contacts/

The most recent version of this manual in various languages can be found in our online shop via:

https://www.wiltec.de/docsearch

Our postal address is:

To return orders for exchange, repair, or other purposes, please use the following address. Attention! To allow for a smooth execution of your complaint or return, it is important to contact our customer service team before returning the goods.

Returns Department

Thank you for purchasing this quality product. To minimise the risk of injury we urge that our clients take some basic safety precautions when using this device. Please read the operation instructions carefully and make sure you have understood its content.

Keep these operation instructions safe.

Safety guidelines

BEWARE!

The use of this device is allowed on standing water bodies, garden ponds water or swimming ponds and their surrounding areas only with fault current protection-switch with a triggering nominal current up to 30 mA (according to VDE 0100 Article 702 and 738).

The device is not suitable for use in swimming pools, paddling pools and other water bodies in which during operation there can be persons. The operation of the device during the stay of people in the danger zone is not allowed. Ask your electrician.

The device is not intended for use by persons (including children) with impaired or limited physical, sensory, and mental abilities or lack of experience and/or real knowledge, unless they are supervised by a person responsible for their safety or have received instruction on the correct use of the device.

Children should be supervised to make sure that they do not play with the device.

ATTENTION!

- Visually inspect the device before every use. Do not use the device if the safety appliances are damaged or worn out. Never override safety regulations.

• Use the device exclusively according to the intended purpose stated in the instructions for use.

- You are responsible for the safety of the working environment.

- If the cable or the plug is damaged due to external influences the cable must not be repaired! It must be replaced with a new one. This work can be carried out only by an electrician.

- The voltage indicated on the type plate of the device of 230 V AC must correspond to the existent mains voltage.

- Never lift, carry, or suspend the device by using the power cable.

- Make sure that the electrical plug connection is placed in a flood-proof area and is protected from moisture.

• Before working on the pond pump disconnect the appliance by pulling the plug out of the socket.

- Avoid exposing the appliance to a direct water jet or rain.

- The user is responsible for the compliance with location specific safety and installing regulations. Ask an electrician.

- Consequential damage arising from flooded rooms caused by dysfunctions of the appliance must be avoided by means of the appropriate measures. (installing an alarm system, reserve pump).

• In case of malfunction the repair work can be carried out only by a qualified electrician.

• The appliance must not run dry or with a completely closed intake port.

• The appliance must not be used for swimming pools.

• The device cannot be employed for potable water circuits.

WARNING:

Read carefully all the safety guidelines and the instructions. Non-compliance with the safety rules and regulations can lead to an electric shock, fire, and/or serious injury.

Keep the instructions and the safety guidelines in a safe place in case you need them in the future.

Stability

• The temperature of the liquid transported should not exceed +35 °C in permanent operation.
- The transport of aggressive fluids (acids, bases, etc.) as well as of abrasive substances (e.g., sand) must be avoided.

Electrical connection

• The electrical connection takes place via an electric safety socket 230 V \~ 50 Hz. Fuse protection at least 10 A.
• The engine is protected from overloading or blocking by means of a built-in motor protection. In case of overheating the pump is turned off automatically due to the overheat protection and after cooling down, the pump is automatically started.

Power connection

The pond pump is equipped with a safety plug. The device is designed for connection to an isolated ground receptacle with 230 V \~ 50 Hz. Make sure that the socket outlet is sufficiently fused (at least 6 A) and safe. Insert the plug in the socket outlet and the pond pump is ready for use.

Installation

REMARK:

1. Check if the mains voltage corresponds to the indications stated on the nameplate of the device.
2. Do not place the pump on the pond floor directly. Place it on a stone lest it do not suck in the pond mud.
3. Comply with the maximum permitted immersion depth (this information is to be found as well on the model plate).
4. The pump must be installed as follows: in a fixed position with fixed or flexible hose.
5. Place the cable in a safe manner lest it not be damaged.
6. You can modify the shape of the fountain jet by modifying the adapting screw of the fountain head. The flow rate can be regulated via the three-way valve.
7. Connect the pump to the electrical circuit. The pump will start working.
8. The pump shall work until disconnected from the electrical circuit.

Operation

After carefully reading the installation instructions, you can start the new pump if you note the following aspects:

• Connect the suction cups with the motor body and filter basket.
• The pump must not be used without a filter basket. The filter basket prevents constipation and resultant overheating and needs to be cleaned regularly.
• Check if the pressure pipes have been installed properly.
  • Make sure that the electrical connection is 230 V \~ 50 Hz.
• Check if the socket is in proper working order.
  • Make sure that moisture or water never reaches the mains connection.
  • Install the pump beneath the water surface.
• Avoid that the pump runs dry.

Hints for maintenance

The pond motor pump is a maintenance-free and a practice-proven quality product that was subjected to rigorous final inspections. For a long working life and continuous operation, we recommend regular checking and proper care on a weekly basis.

Overload protection

The pump has an integrated overheat protection. After the pump is stopped it must cool down for a while due to the overheat control device, before it runs again. In case it does not run again by itself, the following checks shall be conducted:

Could the pump cool down sufficiently due after having been stopped by the overheat protection?

Is the water supply sufficient? > Improve the water supply!
Is the filter blocked? > If necessary, rinse the filter!
Is there dirt in the pump housing? > Perform cleaning!
Is the hose or the pipe blocked? > Clear the hose/pipe!
Is the hose broken, too long? > Check, replace, shorten!

Cleaning and maintenance

Close-up of hands assembling a black mechanical component with a red arrow indicating assembly (no text or symbols visible)

Close-up of hands holding a black industrial heat exchanger unit with cooling fins and a handle (no visible text or symbols)

Close-up of hands holding a black industrial filter device with visible cooling fins and a red button (no text or symbols)

Close-up of hands holding a black industrial pump or filter unit with blue internal components (no visible text or symbols)

Close-up of hands holding a black plastic device with a blue internal component, no visible text or symbols

3D cutaway view of a mechanical component with blue internal structure and red highlighted section (no text or symbols)

Close-up of hands holding a black electronic device with a red arrow indicating rotation (no visible text or symbols)

Close-up of hands using a small electric motor to add a white cable (no text or symbols visible)

Exterior view of a black industrial machine with a red circular head and white star-shaped component (no text or symbols visible)

Clean the pump and the filter basket weekly, and also when the flow is lower than usually.

1. Disconnect the pump from the electrical circuit.
2. Unscrew the press nut (Pic. 1), press the buckle to take the basket out (Pic. 2) and also pull out the sponge (Pic. 3).

3. Press the buckle to take off the big filter basket and the bottom (Pic. 4 and 5).

4. Clean the baskets, the pump and the sponge with a soft brush under floating water.

5. Turn the pump body according to Pic. 7, then take it out
6. Clean the impeller and make sure that the O-Ring is in a right position (Pic. 8 and 9).

Storage during winter

1. Take the pump out of the water and disconnect it
2. Clean the pump as described above.
3. Make sure that there is no damaged part, like a cracked housing.
4. Store the Pump under frost-free conditions in a bucket or container of water (if possible).

CAUTION: Never immerse the connection plug!

Technical data

Modell(Item num-ber)	Energy	Power (W)	Max. flow rate(1⁄2h)	Max. liftingheight (m)	Connec-tions (mm)	Weight (kg)
CHJ-603(50328)	230 V / 50 Hz	8	600	1.3	13 / 16	0.55
CHJ-903(50329)		16	900	1.5	10 / 13 / 19	0.7
CHJ-1503(50330)		25	1500	1.8	10 / 13 / 19	1.7
CHJ-2003(50331)		35	2000	2.0	13 / 16 / 19	1.85
CHJ-2503(50332)		45	2500	2.7	13 / 16 / 2× 21/ 25.4	1.85
CHJ-3003(50333)		55	3000	3.0	10 / 13 / 19	2.5
CHJ-4503(50334)		65	4500	3.5	19 / 25 / 33	3.0
CHJ-5003(50335)		80	5000	3.8	19 / 25 / 33	3.0
CHJ-6003(50336)		100	6000	4.0	19 / 25 / 33	3.0

Exploded views and parts lists (see next pages)

Please note that there are different models of the fountain pump; consequently, the parts delivered (fountain extensions) may vary depending on the model chosen. Refer to the description of the individual product for detailed information.

CHJ-603

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Fountain top piece 3
4	Fountain top piece 4
5	Fountain top piece 5
6	Telescopic tube
7	Union nut
8	Press nut
9	Connector
10	Suction basket cap
11	Filter sponge
12	Suction basket
13	Regulator
14	Pump housing
15	Bearing
16	Pump shaft
17	Motor housing
18	Pump base

CHJ-903

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Fountain top piece 3
4	Fountain top piece 4
5	Telescopic tube
6	O-Ring
7	Union nut
8	Connector 1
9	T-Regulator
10	Connector 2
11	Hose nozzle
12	Union nut of hose nozzle
13	Suction basket cap
14	Filter sponge
15	Suction basket
16	Regulator
17	Pump housing
18	Bearing
19	Axle
20	Pump shaft
21	O-Ring
22	Motor housing
23	Pump base
24	Suction cups

CHJ-1503

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Fountain top piece 3
4	Fountain top piece 4
5	Telescopic tube
6	Gasket
7	Union nut
8	Connector
9	T-Regulator
10	Hose nozzle
11	Union nut of hose nozzle
12	Suction basket cap
13	Filter sponge
14	Suction basket
15	Regulator
16	Pump housing
17	Bearing
18	Axle
19	Pump shaft
20	Motor housing
21	Pump base
22	Suction cups

CHJ-2003-2503

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Telescopic tube
4	Connector
5	Union nut of hose nozzle
6	Hose nozzle
7	Gasket
8	T-Regulator
9	Gasket
10	Press nut
11	Motor housing
12	O-Ring
13	Axle
14	Pump shaft
15	Bearing
16	Pump housing
17	Regulator
18	Suction basket
19	Filter sponge
20	Suction basket cap
21	Pump base
22	Suction cups

CHJ-3003

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Telescopic tube
4	Connector
5	Union nut of hose nozzle
6	Hose nozzle
7	Gasket
8	T-Regulator
9	Gasket
10	Motor housing
11	O-Ring
12	Axle
13	Pump shaft
14	Bearing
15	Pump housing
16	Regulator
17	Suction basket
18	Filter sponge
19	Suction basket cap
20	Pump base
21	Suction cups

CHJ-4003-5003-6003-6803

No	Name
1	Fountain top piece 1
2	Fountain top piece 2
3	Telescopic tube
4	Connector
5	Union nut of hose nozzle
6	Hose nozzle
7	Gasket
8	T-Regulator
9	Gasket
10	Motor housing
11	O-Ring
12	Axle
13	Pump shaft
14	Bearing
15	Pump housing
16	Regulator
17	Suction basket
18	Filter sponge
19	Suction basket cap
20	Pump base
21	Suction cups

Disposal regulations

EU guidelines regarding the disposal of scrap electric appliances (WEEE, 2012/19/EU) were implemented in the law related to electrical and electronic equipment and appliances.

All WilTec electric devices that fall under the WEEE regulations are labelled with the crossed-out wheeled waste bin logo. This logo indicates that this electric equipment must not be disposed with the domestic waste.

The company WilTec Technik GmbH has been registered in the German registry EAR under the WEEE-registration number DE45283704.

Disposal of used electrical and electronic appliances (intended for use in the countries of the European Union and other European countries with a separate collection system for these appliances).

The logo on the article or on its packaging points out that this article must not be treated as normal household waste but must be disposed to a recycling collection point for electronic and electrical waste equipment. By contributing to the correct disposal of this article you protect the environment and the health of your fellow men. Environment and health are threatened by inappropriate disposal.

Material recycling helps reduce the consumption of raw materials.

Additional information on recycling this article can be provided by your local community, municipal waste disposal facilities, or the store where you purchased the article.

Address:

The reprint or reproduction, even of excerpts, and any commercial use, even in part, of this instruction manual require the written permission of WilTec Wildanger Technik GmbH.