HILTI DWP 15-22 Water Tank Instruction Manual

DWP 15-22
NURON

Original operating instructions

Information about the documentation

1.1 About this documentation

• Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product.
• Observe the safety instructions and warnings in this documentation and on the product.
• Always keep the operating instructions with the product and make sure that the operating instructions are with the product when it is given to other persons.

1.2 Explanation of symbols
1.2.1 Warnings
Warnings alert persons to hazards that occur when handling or using the product. The following signal words are used:
DANGER
DANGER!
▶ Draws attention to imminent danger that will lead to serious personal injury or fatality.
WARNING
WARNING!
▶ Draws attention to a potential threat of danger that can lead to serious injury or fatality.
CAUTION
CAUTION!
▶ Draws attention to a potentially dangerous situation that could lead to personal injury or damage to the equipment or other property.
1.2.2 Symbols in the operating instructions
The following symbols are used in these operating instructions:

| Comply with the operating instructions
---|---
| Instructions for use and other useful information
****| Dealing with recyclable materials
| Do not dispose of electric equipment and batteries as household waste
| Hilti Li­ion battery
| Hilti charger

1.2.3 Symbols in illustrations
The following symbols are used in illustrations:

2| These numbers refer to the illustrations at the beginning of these operating instructions.
---|---
3| The numbering reflects the sequence of operations shown in the illustrations and may deviate from the steps described in the text.
11| Item reference numbers are used in the overview illustration and refer to the numbers used in the key in the product overview section.
| These characters are intended to specifically draw your attention to certain points when handling the product.

1.3 Product-dependent symbols
1.3.1 Symbols on the product
The following symbols can be used on the product:

is damaged in any other way.

1.4 Product information
products are designed for professional users and only trained, authorized personnel are permitted to operate, service and maintain the products. This personnel must be specifically informed about the possible hazards. The product and its ancillary equipment can present hazards if used incorrectly by untrained personnel or if used not in accordance with the intended use. The type designation and serial number are printed on the rating plate.
▶ Write down the serial number in the table below. You will be required to state the product details when contacting Hilti Service or your local Hilti organization to inquire about the product.
Product information

1.5 Declaration of conformity
The manufacturer declares, on his sole responsibility, that the product described here complies with the applicable legislation and standards. A copy of the declaration of conformity can be found at the end of this documentation.
The technical documentation is filed here: Hilti Entwicklungsgesellschaft mbH | Tool Certification | Hiltistrasse 6 | D-86916 Kaufering, Germany

Safety

2.1 Additional safety instructions
WARNING! Study all safety instructions and other instructions, images and technical data with which this power tool is provided. Failure to observe the instructions below can result in electric shock, fire and/or serious injury.
Keep all safety precautions and instructions for future reference.
The term “power tool” used in the safety precautions refers to your mains- operated (corded) power tool or battery-operated (cordless) power tool.
Safety at the workplace
▶ Keep your work area clean and well-lit. Cluttered or dark work areas invite accidents.
▶ Do not operate the power tool in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks that may ignite the dust or fumes.
▶ Keep bystanders, children and visitors away while operating a power tool. Distractions can cause you to lose control of the tool.
Personal safety
▶ Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating the power tool may result in serious personal injury.
▶ Wear your personal protective equipment and always wear protective glasses. Depending on the purpose for which the power tool is to be used, wearing safety equipment such as a dust mask, non-skid safety shoes, hard hat, or hearing protection will reduce the risk of injury.
▶ Avoid accidental starting. Check that the power tool is switched off before you connect it to the power supply and/or the battery and before picking it up or carrying it. Carrying power tools with your finger on the switch or plugging in power tools that are already switched on invites accidents.
▶ Avoid unaccustomed body positions. Maintain proper footing and balance at all times. This will allow you to control the power tool better, even in unexpected situations.
▶ Wear suitable work clothes. Do not wear jewelry or loose clothing. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be snagged by moving parts.
▶ Do not lull yourself into a false sense of security and do not flout the safety rules for power tools, even if you are familiar with the power tool after using it many times. Caress handling could cause serious injury within fractions of a second.
Using and handling the power tool
▶ Do not overload the tool. Use the correct power tool for your application. The correct power tool will do the job better and more safely within the performance range for which it is designed.
▶ Do not use a power tool if it has a faulty On/Off switch. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
▶ Disconnect the plug from the power outlet and/or remove a removable battery before making any adjustments, changing accessories, or storing the tool. This precaution reduces the risk of the power tool starting accidentally.
▶ Store power tools out of reach of children when not in use. Do not allow persons who are not familiar with the tool and these instructions to operate it. Power tools are dangerous in the hands of inexperienced persons.
▶ Maintain power tools and accessories carefully. Check that moving parts operate satisfactorily and do not jam, and whether any parts are broken or so damaged that the correct operation of the power tool is adversely affected. If parts are damaged, have the parts repaired before using of the tool. Many accidents are caused by poorly maintained power tools.
▶ Use power tools, accessories, insert tools, etc. only as described in this manual. Take the working conditions and the work to be performed into account. Use of the power tool for operations different from those intended could result in a hazardous situation.
▶ Keep grips and gripping surfaces dry, clean and free from oil and grease. Slippery grips and gripping surfaces do not allow the power tool to be safely operated and controlled in unforeseen situations.
Using and handling the cordless power tool
▶ Recharge the batteries only with the chargers specified by the manufacturer. A charger that is suitable for a certain type of battery may present a risk of fire when used with other types of battery.
▶ Use only the specified batteries in power tools. Use of any other batteries may create a risk of injury and fire.
▶ When the battery is not in use, keep it away from paper clips, coins, keys, nails, screws and other small metal objects that could cause bridging between the terminals. A short circuit between the battery terminals may cause burns or a fire.
▶ Liquid may leak from the battery if used incorrectly. Avoid contact with the liquid. If contact accidentally occurs, flush with water. If the liquid contacts the eyes, also seek medical attention. Liquid escaping from the battery can cause skin irritation or burns.
▶ Do not use damaged or modified batteries. Damaged or modified batteries may behave unpredictably and lead to fires, explosions or risk of injury.
▶ Do not expose batteries to fire or excessive temperatures. Fires or temperatures over 130 °C (265 °F) may cause an explosion.
▶ Follow all instructions on battery charging and never charge the battery or the battery-powered tool outside the temperature range stated in the operating instructions. Incorrect charging or charging outside the approved temperature range may destroy the battery and increase the risk of fire.

Service
▶ Have your power tool repaired only by qualified, skilled personnel, using only genuine Hilti spare parts. The safety of the tool can thus be maintained.
▶ Never repair damaged batteries. All battery repairs should only be carried out by the manufacturer or authorized customer service centers.
2.2 Additional safety instructions
▶ Use the product and accessories only when they are in perfect working order.
▶ Never tamper with or modify the product or accessories in any way.
▶ Risk of injury by falling tools and/or accessories. Before starting work, check that the battery and installed accessories are secure.
▶ Make sure that the product cannot roll away or fall down.
▶ Do not transport the product by crane or with other hoists.
▶ Operate the product only with the battery-compartment cover closed.
▶ At temperatures below the freezing point, make sure that no water remains in the product. Freezing water can cause damage when it expands inside components of the product.
▶ Use the product in combination with water only. Do not pour chemicals or other liquids into the tank.
▶ Fill the product with clean water only. Foreign matter can cause damage to the pump. Keep the tank free of sand, drilling slurry and other foreign matter.
2.3 Battery use and care
▶ Comply with the following safety instructions for the safe handling and use of Li-ion batteries. Failure to comply can lead to skin irritation, severe corrosive injury, chemical burns, fire and/or explosion.
▶ Use only batteries that are in perfect working order.
▶ Treat batteries with care in order to avoid damage and prevent leakage of fluids that are extremely harmful to health!
▶ Do not under any circumstances modify or tamper with batteries!
▶ Do not disassemble, crush or incinerate batteries and do not subject them to temperatures over 80 °C (176 °F).
▶ Never use or charge a battery that has suffered an impact or been damaged in any other way. Check your batteries regularly for signs of damage.
▶ Never use recycled or repaired batteries.
▶ Never use the battery or a battery-operated power tool as a striking tool.
▶ Never expose batteries to the direct rays of the sun, elevated temperature, sparking, or open flame. This can lead to explosions.
▶ Do not touch the battery poles with your fingers, tools, jewelry, or other electrically conductive objects. This can damage the battery and also cause material damage and personal injury.
▶ Keep batteries away from rain, moisture and liquids. Penetrating moisture can cause short circuits, electric shock, burns, fire and explosions.
▶ Use only chargers and power tools approved for the specific battery type. Read and follow the relevant operating instructions.
▶ Do not use or store the battery in explosive environments.
▶ If the battery is too hot to touch, it may be defective. Put the battery in a place where it is clearly visible and where there is no risk of fire, at an adequate distance from flammable materials. Allow the battery to cool down. If it is still too hot to touch after an hour, the battery is faulty. Consult Hilti Service or read the
document entitled “Instructions on safety and use for Hilti Li-ion batteries”.
Observe the special guidelines applicable to the transport, storage and use of lithium-ion batteries. → page 10
Read the instructions on safety and use of Hilti Li-ion batteries that you can access by scanning the QR code at the end of these operating instructions.

Description

3.1 Product overview 1

3.2 Intended use
The product described is a cordless water tank for supplying cooling water to system products such as diamond core drilling machines, and diamond cut-off saws (including gasoline-powered and cordless cut-off saws). It is intended exclusively for use with water.

• For this product, use only Hilti Nuron lithium-ion batteries of the B 22 series. For optimum performance, Hilti recommends the batteries stated in the table at the end of these operating instructions for this product.
• For these batteries, use only Hilti chargers of the type series stated in the table at the end of these operating instructions.

3.3 Items supplied
Cordless water tank, water supply hose, operating instructions Other system products approved for use with this product can be found at your local Hilti Store or at: www.hilti.group
3.4 LED light signals

LED between the operating buttons shows green.

| Product is ready for operation/in operation

LED at battery symbol shows red.

| Battery state of charge low, battery needs recharging.

3.5 Status indicators of the Li­ion battery
Hilti Nuron Li-ion batteries can indicate state of charge, fault messages and the battery’s state of health.
3.5.1 Indicators for state of charge and fault messages
WARNING
Risk of injury by a falling battery!
▶ If the release button is pressed with a battery inserted in the product, subsequently check that the battery is correctly re-engaged and secure. Short- press the release button of the battery to get whichever of the following status indications is applicable at the time.
State of charge and, if applicable, faults are indicated constantly as long as the connected product is switched on.

Recharge the battery. If the LED again starts quick-flashing after the battery has been charged, consult Hilti Service.
One (1) LED quick-flashes yellow| The Li-ion battery or the product in which it is in- seated is overloaded, too hot or too cold, or experiencing some other fault. Bring the product and the battery to the recommended working temperature and do not overload the product when it is in use. If the message persists, consult Hilti Service.
One (1) LED shows yellow| The Li-ion battery and the product in which it is inserted are not compatible. Consult Hilti Service.
One (1) LED quick-flashes red| The Li-ion battery is locked and cannot be used. Consult Hilti Service.

3.5.2 Indicators showing the battery’s state of health
To check the battery’s state of health, press the release button and hold it down for longer than three seconds. The system does not detect a potential malfunction of the battery due to misuse, for example, battery dropped or pierced, external heat damage, etc.

The battery can remain in use.
All LEDs show in sequence, followed by one (1) LED quick-flashing yellow.| The check to ascertain the battery’s state of health did not completed. Repeat the procedure, or consult Hilti Service.
All LEDs show in sequence, followed by one (1) LED showing constantly red.| If a connected product can still be used, the remaining battery capacity is below 50 %. If a connected product can no longer be used, the battery has reached the end of its useful life and has to be replaced. Consult Hilti Service.

Technical data

4.1 Product properties

| DWP 15-22
---|---
Weight| 6 kg
Dimensions (L × W × H)| 262 mm × 360 mm × 561 mm
Max. capacity| ≈ 15 ℓ
Max. water temperature| 35 ℃
Max. pump power (pressure)| 6 bar
Protection class| IPX4
Protection class| III

4.2 Battery

4.3 Sound emission (in accordance with international standard EN ISO 3744)
The sound pressure and vibration values given in these instructions have been measured in accordance with a standardized test and may be used to compare one power tool with another. They may be used for a preliminary assessment of exposure.
The data given represents the main applications of the power tool. However, if the power tool is used for different applications, with different accessory tools or is poorly maintained, the data may vary. This may significantly increase exposure over the total working period.
An accurate estimation of exposure should also take into account the times when the power tool is switched off, or when it is running but not actually being used for a job. This may significantly reduce exposure over the total working period.
Identify additional safety measures to protect the operator from the effects of noise and/or vibration, for example: Maintaining the power tool and accessory tools, keeping the hands warm, and organization of work patterns.
Noise values

Preparations at the workplace

WARNING
Risk of injury by inadvertent starting!
▶ Before inserting the battery, make sure that the product is switched off.
▶ Remove the battery before making any adjustments to the power tool or before changing accessories. Observe the safety instructions and warnings in this documentation and on the product.

5.1 Inserting the battery
WARNING
Risk of injury by short circuit or falling battery!
▶ Before inserting the battery, make sure that the contacts on the battery and the contacts on the product are free of foreign matter.
▶ Make sure that the battery always engages correctly.

1. Open the battery compartment cover.

2. Insert the battery.
   ▶ The battery engages fully in the mount.

3. Check that the battery is correctly seated and close the battery compartment cover.

5.2 Retracting/extending transport handle

1. Press the two catches and hold them down in position.

2. Pull the transport handle all the way out.

3. Release the catches.
   ▶ Both latches return to their position.

4. Check that the transport handle is securely engaged.

5.3 Topping up water supply
Always use the inlet filter when filling the tank. This prevents dirt from being drawn into the pump or clogging the water supply.

1. Open the sealing cap.

2. Make sure that the inlet filter is seated in the filler neck.

3. Pour water into the tank.
   ▶ Do not overfill.

4. Screw the sealing cap on to the filler neck.

Operation

Before using the cordless water tank, check the battery (→inserted correctly) and the battery compartment cover (→closed).
Also study and follow all instructions relating to safety and operation in the corresponding operating instructions of the system products used (e.g. diamond core drilling machine, diamond cut-off saw, etc.).

1. Check that the tank filter is correctly installed.

2. Fill the tank. → page 8
   ▶ Do not overfill.

3. Transport the cordless water tank to the place of work.

4. Connect the cordless water tank to the system product by means of the water supply hose.

5. Press the ON button.
   ▶ The LED shows green.
   ▶ The pump starts and runs briefly, even if the water supply valve has not been opened to enable the flow of water.

6. Open the water supply valve on the system product.

7. Carry out the work.

8. Close the water supply valve on the system product.
   When you close the water supply valve on the system product, the cordless water tank runs on for approx. 10 seconds and then switches automatically to standby mode (LED shows green). The cordless water tank restarts automatically if, within 7 minutes, you re-open the water supply valve on the system product or disconnect the system product from the cordless water tank.
   If the water supply valve on the system product remains closed for longer than 7 minutes, the cordless water tank shuts down completely (LED goes out).

9. To switch the cordless water tank off manually, press the OFF button.
   ▶ The LED goes out.
   ▶ The cordless water tank is switched off and you can disconnect system products from the cordless water tank.

Care and maintenance

WARNING
Risk of injury with the battery inserted!
▶ Always remove the battery before carrying out care and maintenance tasks!
Care of the product

• Carefully remove stubborn dirt.
• Carefully clean the air vents, if present, with a dry, soft brush.
• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as these can attack the plastic parts.
• Use a dry, clean cloth to clean the contacts of the product.

Care of the Li­ion batteries

• Never use a battery with clogged air vents. Clean the air vents carefully using a dry, soft brush.

• Avoid unnecessary exposure of the battery to dust and dirt. Never expose the battery to high levels of moisture (e.g. by being dipped in water or left in the rain).
  If a battery has been soaked by moisture, treat it as a damaged battery. Isolate it in a non-flammable container and consult Hilti Service.

• Keep the battery free of extraneous oil and grease. Do not permit dust or dirt to accumulate unnecessarily on the battery. Clean the battery with a dry, soft brush or a clean, dry cloth. Do not use cleaning agents containing silicone as these can attack the plastic parts.
  Do not touch the contacts of the battery and do not remove the factory-applied grease from the contacts.

• Use only a slightly damp cloth to clean the housing. Do not use cleaning agents containing silicone as these can attack the plastic parts.

Maintenance

• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all function correctly.
• Do not use the product if signs of damage are found or if parts malfunction. Immediately have the product repaired by Hilti Service.
• After cleaning and maintenance, install all guards and protective devices and check that they are in full working order.

To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare parts, consumables and accessories approved by Hilti for use with your product can be found at your Hilti Store or online at: www.hilti.group

Instructions for storage

Preparations for lengthy out-of-use period
Over a lengthy out-of-use period with the sealing cap closed, the presence of residual standing water can lead to germ load and the formation of organic deposits. Lime deposits can form in the course of a lengthy storage period with the sealing cap open.
To ensure the correct operation of the product, comply with the following points:

• Empty the water tank before putting the unit into storage.
• When work is finished, allow the pump to run on with the hose connected for about 10 seconds to pump residual water out of the system.
  When emptying the tank, position the cordless water tank higher than the end of the hose. This precaution helps ensure that no water remains in the hose.

Storage at low temperatures
If possible, store the cordless water tank in a dry location where temperatures do not drop below freezing.

• Follow the instructions for preparation for a lengthy out-of-use period.
• If you suspect that water has frozen inside the system, take the cordless water tank to a warm place and wait until the ice has melted.

Transport and storage of cordless tools and batteries

Transport
CAUTION
Accidental starting during transport!
▶ Always transport your products with the batteries removed!
▶ Remove the battery/batteries.
▶ Never transport batteries loose and unprotected. During transport, batteries should be protected from excessive shock and vibration and isolated from any conductive materials or other batteries that may come in contact with the terminals and cause a short circuit. Comply with the locally applicable regulations for transporting batteries.
▶ Do not send batteries through the mail. Consult your shipper for instructions on how to ship undamaged batteries.
▶ Prior to each use and before and after prolonged transport, check the product and the batteries for damage.
Storage
WARNING
Accidental damage caused by defective or leaking batteries!
▶ Always store your products with the batteries removed!
▶ Store the product and the batteries in a cool and dry place. Comply with the temperature limits stated in the technical data.
▶ Do not store batteries on the charger. Always remove the battery from the charger when the charging operation has been completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind glass.
▶ Store the product and batteries where they cannot be accessed by children or unauthorized persons.
▶ Prior to each use and before and after prolonged storage, check the product and the batteries for damage.

Troubleshooting

If a problem occurs, always observe the charge status and fault indicator of the battery. See the section headed Status indicators of the Li­ion battery.
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by yourself, contact Hilti Service.

button.
The supply of water in the tank has been used up completely.| ▶| Fill the tank. → page 8
The water supply valve on the sys- tem product is closed| ▶| Open the water supply valve on the system product.
No tank filter installed| ▶| Check installation of the tank filter and, if applicable, install a tank filter.
Inlet filter or tank filter clogged| ▶| Clean or replace inlet filter and/or tank filter.
Battery is discharged (LED on the product does not show)| ▶| Charge the battery or insert a charged battery.
Water in tank or lines has frozen.| ▶| Move the product to a warm place and wait until the ice has melted.
Pump does not start| Battery is discharged (LED on the product does not show)| ▶| Charge the battery or insert a charged battery.
Water in tank or lines has frozen.| ▶| Move the product to a warm place and wait until the ice has melted.
Pump does not start after ON button is pressed (LED showing steady green)| ▶

▶

| Remove the battery and then re-insert the battery. If the problem persists, consult Hilti Service.

Disposal

WARNING
Risk of injury due to incorrect disposal! Health hazards are due to escaping gases or liquids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical tape) to prevent short-circuiting.
▶ Dispose of your battery out of the reach of children.
▶ Dispose of the battery at your Hilti Store, or consult your local governmental garbage disposal or public health and safety resources for disposal instructions.
**** Most of the materials from which Hilti products are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti sales representative for further information.
▶ Do not dispose of power tools, electronic equipment or batteries as household waste!

Manufacturer’s warranty

▶ Please contact your local Hilti representative if you have questions about the warranty conditions.

Further information

For more information on operation, technology, environment and recycling, follow this link: qr.hilti.com/manual/?id=2328837
This link is also to be found at the end of the documentation, in the form of a QR code.

EC Declaration of Conformity I UK Declaration of Conformity
DWP 15-22 (01) Serial Numbers: 1-99999999999 Manufacturer: Hitti Corporation Feldkircherstra6e 100 9494 Schaan I Liechtenstein
UK Importer: Hitti (Gt. Britain) Limited 1 Trafford Wharf Road, Old Trafford Manchester, M17 1 BY 2014/35/
EU  Low Voltage Directive EN 60335-1:2012 EN 60335-2-41:2003 +A1:2004 2014/30/
EU I Electromagnetic Compatibility +A11:2014 +A13:2017 +A2:2010
Regulations 2016 +A1:2019 +A14:2019 EN 55014-2:2015 +A2:2019 2011/65/
EU  The Restriction of the Use of Certain Hazardous Substances in Electrical and EN 55014-1:2017 Electronic Equipment Regulations 2012 +A11:2020
Dr. Tahar Zrilli

Head of Quality and Process Management
Business Area Electric Tools & Accessories

Schaan, 29.10.2021
Johannes Wilfried Huber Senior Vice President Business Unit Diamond

http://qr.hilti.com/manual/?id=2328837

C4-22

C6-22
C8-22

https://hilti.to/ontrackapp
Hilti Corporation
LI-9494 Schaan
Tel.:+423 234 21 11
Fax:+423 234 29 65
www.hilti.group 
Hilti = registered trademark of Hilti Corp., Schaan

References

• HILTI Country selector

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>