Kränzle therm 1017 & 1017 T High-Pressure Cleaner User Manual

Introduction

Congratulations on your new high-pressure cleaner! Kränzle high-pressure cleaners are known for their robustness and suitability for daily use. This manual will guide you through the operation of your high-pressure cleaner.

Safety Instructions

General Safety Precautions

Prohibited Actions

Description of the Unit

Components (therm 1017 without hose reel)

  1. Ergonomically shaped carrying handle
  2. Holder for spray gun with safety lock and lance
  3. Digital control panel
  4. Winding for power cable
  5. Detergent injector hose
  6. Pump outlet, high-pressure hose connection
  7. Water inlet, water hose connection
  8. Storage compartment for accessories
  9. All-terrain wheels
  10. Parking brake
  11. Large removable covers
  12. Fuel filler opening
  13. Fuel drain plug

Components (therm 1017 T with hose reel)

  1. Ergonomically shaped carrying handle
  2. Holder for spray gun with safety lock and lance
  3. Digital control panel
  4. Winding for power cable
  5. Detergent injector hose
  6. Pump outlet, high-pressure hose connection
  7. Water inlet, water hose connection
  8. Storage compartment for accessories
  9. All-terrain wheels
  10. Parking brake
  11. Large removable covers
  12. Fuel filler opening
  13. Fuel drain plug
  14. Hose reel with 20 steel-reinforced high-pressure hoses

What You Have Purchased (therm 1017 without hose reel)

  1. Kränzle high-pressure cleaner therm 1017
  2. Spray gun with safety lock and quick-connect coupling
  3. Stainless steel lance with flat-jet nozzle and quick-connect nipple
  4. User manual, parts list

What You Have Purchased (therm 1017 T with hose reel)

  1. Kränzle high-pressure cleaner therm 1017 T
  2. Spray gun with safety lock and quick-connect coupling
  3. Stainless steel lance with flat-jet nozzle and quick-connect nipple
  4. User manual, parts list

Control Panel

  1. On/off switch with motor protection and indicator light
  2. Heating switch for warm water use
  3. Concise operating manual
  4. Thermostat for water temperature control
  5. Large stainless steel pressure gauge
  6. Detergent valve

Internal Components

  1. Pump head made of special brass
  2. Infinitely variable pressure and flow rate control
  3. Oil drain hose
  4. Water reservoir
  5. Exhaust gas opening
  6. Combustion chamber
  7. Fan with fuel pump
  8. Fuel filter
  9. Connecting hose between high-pressure pump and water box
  10. High-voltage ignition transformer
  11. Display for the over-temperature sensor

General Instructions

Operation in Accordance with Regulations

Accident Prevention

Oil Change

Descaling

Fuel System

Electrical Connection

Water and Cleaning System

Safety Spray Tube with Spray Gun with Safety Lock

Pressure Regulating Valve / Safety Valve

Motor Safety Switch

Totalstop System with Delayed Motor Shutdown

Starting Up

Safety Lock

High-Pressure Hose and Spray Device

Starting the Unit

  1. Mount the power cable holders with the screws.
  2. Mount the water inlet filter (optional) to the water inlet.
  3. Fill the fuel tank with heating oil before commissioning. Heating oil (EL DIN 51 603) or diesel (DIN EN 590). Filling capacity 25 liters.
  4. To move the high-pressure cleaner to the place of use, release the brake.
  5. The therm 1017/therm 1017 T is a portable high-pressure cleaner with robust running gear for outdoor use. To steer the high-pressure cleaner, press the tilting bracket with your foot and pull the high-pressure cleaner towards you.
  6. For high-pressure cleaners with a hose reel, unlock the reel and fully unwind the high-pressure hose. For high-pressure cleaners without a hose reel, firmly screw the included high-pressure hose to the pump outlet. Roll out the high-pressure hose straight and without kinks. The high-pressure hose may leave marks on some floors. Alternatively, non-marking high-pressure hoses are available.
  7. Connect the grey rotating screw connection of the high-pressure hose to the safety spray gun. Then screw them together tightly and pressure-proof.
  8. First, pull back the protective sleeve of the spray gun with safety lock, then insert the lance into the quick-connect coupling of the spray gun with safety lock.
  9. After inserting the lance, release the protective sleeve and observe the safe position of the lance. Regularly lubricate the quick-connect nipple with acid-free grease.
  10. During operation, the quick-connect coupling must not be operated/touched! High risk of injury!
  11. Check the quick-connect coupling and nipple for cleanliness (sand, dirt, ...) before inserting, if necessary clean with clean water. Contamination can damage the seal in the quick-connect coupling.
  12. Pay attention to the maximum length of 20 m when extending the high-pressure hose!
  13. Accessories may only be connected to a Kränzle-approved safety spray gun.
  14. Before each use, check the water inlet sieve for cleanliness. Unscrew the filter cup manually, remove the water inlet sieve, and rinse and clean it with clean water along with the other parts. If the sieve is dirty, no water can pass through, and pressure cannot build up. Check the water inlet sieve for damage. Do not operate the high-pressure cleaner without or with a damaged filter.
  15. Connect the water hose to the water inlet (minimum requirements: 5 m hose length, 3/4" diameter, 10 bar). The unit can optionally be connected to a pressurized water supply (1-10 bar water pressure) with cold or warm water up to 60 °C. The therm 1017/therm 1017 T can draw water from a reservoir (see direct suction).
  16. Caution with warm supply water! When operating with 60 °C warm inlet water, increased temperatures occur. Do not touch metal parts on the high-pressure cleaner without safety gloves!

Operation as a Cold-Water High-Pressure Cleaner

  1. Set the temperature on the thermostat to "0".
  2. The detergent valve must be closed.
  3. Switch on the high-pressure cleaner with the spray gun with safety lock open. Vent the high-pressure cleaner: Open and close the spray gun with safety lock several times. Start cleaning.
  4. Do not aim the high-pressure jet at the object being washed for at least 30 seconds at the beginning of the washing cycle. The water content of the combustion chamber may be discolored due to the standstill period.

Operation as a Warm-Water High-Pressure Cleaner

  1. The detergent valve must be closed.
  2. Set the desired temperature on the thermostat (minimum temperature 40 °C). The high-pressure cleaner operates at the most economical temperature in the eco-phase.
  3. Switch on the high-pressure cleaner with the spray gun with safety lock open. Vent the high-pressure cleaner: Open and close the spray gun with safety lock several times.
  4. Switch on the heating. The water is heated and kept at the set temperature.

Direct Water Suction

Note

Using Additives

Suction of Additives

Putting Out of Operation

Shutting Down

  1. Switch off the high-pressure cleaner.
  2. Turn off the water supply.
  3. Open the spray gun with safety lock until the pressure is released.
  4. Lock the spray gun with safety lock.
  5. Disconnect the high-pressure hose and the spray gun with safety lock.
  6. Empty the high-pressure pump: Hold the high-pressure hose and switch on the motor until no water jet emerges from the outlet.
  7. Unplug the power cord from the socket.
  8. Clean the high-pressure hose and roll it up neatly. Secure the hose reel.
  9. Clean the power cable and wind it up.
  10. Clean the water inlet sieve.
  11. Apply the parking brake.
  12. Store the high-pressure cleaner in a frost-free room during winter.

Frost Protection

Special Regulations, Ordinances, and Tests

Tests Performed by Kränzle

Guidelines for Fluid Jet Devices

The machine complies with the "Guidelines for Fluid Jet Devices." These guidelines were issued by the German Association of Industrial Employers' Liability Insurance Funds and are available from Carl Heymann Verlag KG, Luxemburger Straße 449, D-50939 Köln. According to these guidelines, this unit must be inspected by an expert for operational safety at least once a year, or as needed. Fill in these inspections in the inspection log at the end of this manual.

Pressure Vessel and Steam Boiler Ordinance

Kränzle hot water high-pressure cleaners comply with the Pressure Vessel and Steam Boiler Ordinance. No type approval, approval application, or acceptance inspection is required. The water content is less than 10 L.

User Obligations

Before each use of the fluid jet device, the user must ensure that the safety-relevant parts are in perfect condition (e.g., safety valves, hose and electrical lines, spray devices, etc.).

Noise Abatement Act

For stationary installations, the installation must be inspected annually by a qualified and authorized chimney sweep to ensure compliance with emission limits, according to the first ordinance for the implementation of the (German) Noise Abatement Act. The first inspection must be carried out within the first four weeks after commissioning. The measurement must be carried out at the user's request.

Service and Maintenance

Weekly or After Approx. 50 Operating Hours

Annually or After Approx. 500 Operating Hours

Oil Leakage

Small Repairs – DIY

Problem: No water from the nozzle, but the high-pressure pump is running. The stainless steel pressure gauge shows full pressure.

Cause: The nozzle is likely clogged.

The stainless steel pressure gauge shows full pressure. Little or no water comes out of the lance.

Procedure:

  1. Switch off the high-pressure cleaner.
  2. Unplug the power cord from the socket.
  3. Briefly press the spray gun with safety lock to release the pressure.
  4. Remove the spray gun with safety lock and the lance, and remove any residue from the high-pressure hose. Check the water inlet sieve for contamination.
  5. If the problem persists, carefully push a wire (paperclip) through the nozzle opening. If cleaning with a wire does not yield the desired result, the lance must be replaced.
  6. For any repair, unplug the power cord from the socket!

Problem: Irregular spray jet from the nozzle. The stainless steel pressure gauge shows low pressure.

Cause: The valves may be dirty or clogged.

Despite the pressure regulator being turned up, the pressure gauge shows low pressure, the lance emits an irregular jet, and the high-pressure hose vibrates.

Procedure:

  1. Unscrew all 6 valves (arranged vertically and horizontally in a row of 3 brass socket screws).
  2. Remove the valve body (with green or red plastic housing) and O-ring with sharp pliers. Check the sealing ring for damage. If damaged, replace the O-ring.
  3. Clean the valves with a wire (paperclip) and, if possible, under running water.
  4. Do not forget the sealing ring when reinserting!

Problem: After closing the spray gun with safety lock, the high-pressure cleaner constantly switches on and off. The stainless steel pressure gauge still shows full pressure.

Possible Cause No. 1: Leak.

After closing the spray gun with safety lock, the high-pressure cleaner should switch off. The stainless steel pressure gauge should indicate the permitted switch-off pressure (see type plate). If switching off does not occur and the stainless steel pressure gauge still indicates full pressure (unit does not bypass), a leak in the high-pressure pump, pressure switch, high-pressure hose, or spray gun with safety lock could be the cause.

Procedure:

  1. Check the connections of the high-pressure cleaner to the high-pressure hose, the high-pressure hose to the spray gun, and the lance to the spray gun with safety lock for any leaks.
  2. Switch off the high-pressure cleaner. Briefly activate the spray gun with safety lock to reduce pressure. Remove the high-pressure hose, the spray gun with safety lock, and the lance, and check the sealing rings. If the sealing rings are defective, the O-rings must be replaced immediately.
  3. No warranty is provided for consequential damage caused by leaks.

Problem: After closing the spray gun with safety lock, the high-pressure cleaner constantly switches on and off. The stainless steel pressure gauge still shows full pressure.

Possible Cause No. 2: The check valve is defective.

Procedure:

  1. Switch off the high-pressure cleaner, unplug the power cord from the socket. Turn off the water supply.
  2. Briefly press the spray gun with safety lock to release the pressure. Unscrew the pump outlet.
  3. Remove the check valve pin and check the O-ring for contamination or damage. Also check the stainless steel sealing seat in the pump housing for contamination or damage.
  4. If the sealing rings are defective, the O-rings must be replaced immediately.
  5. No warranty is provided for damage to the high-pressure pump due to defective sealing rings resulting from air suction or lack of water (cavitation).

Summary of Additional Fault Causes

ProblemPossible Cause
Water Supply
Water tank overflowsFloat valve dirty/defective
Water tank does not fillFloat valve defective, water inlet sieve dirty, water supply too low
High-pressure pump does not suckValves stuck/dirty, suction hose leaks, detergent valve open/leaking, check hose connections, high-pressure nozzle clogged.
Test: Check suction system for water and chemicals for leaksConnect water supply directly to the high-pressure pump (2 - 8 bar pre-pressure). Clamp suction lines under the high-pressure pump.
High-pressure pump
High-pressure pump makes noise; operating pressure is not reachedHigh-pressure pump sucks air; check suction connections and high-pressure nozzle; check valves and O-rings; check seals.
Water drips from the high-pressure pumpUnloader: Check stainless steel seat and ball; check seals on the control shaft. Replace seals in the high-pressure pump, replace O-rings.
Pressure too lowHD nozzle worn, stainless steel seat, stainless steel ball, O-ring in unloader dirty/defective.
ProblemPossible Cause
Oil drips from the pump housingCheck/replace oil seals, check long pistons and piston liners.
High-pressure cleaner starts/stops
High-pressure cleaner does not switch offCheck check valve and O-ring in unloader in the valve housing.
Test: Bridge pressure switchCheck pressure switch, check microswitch, check cable connections.
High-pressure cleaner does not start or stops during operationCheck power connection, main switch, cable connections. Overvoltage relay has tripped. Check microswitch.
High-pressure cleaner does not startCheck power connection, main switch, cable connections. Overvoltage relay has tripped. Check microswitch.
Leakage
Spray gun with safety lock dripsSpray gun defective. Have it repaired.
HD hose dripsReplace seals. Replace O-rings under the screw connection.
Pressure gauge shows pressure but no water comes outClean HD nozzle.
Suction of additives
Additive is not sucked inHigh-pressure pump sucks air. Check hose clamps. Test: Connect water line to the high-pressure pump. No water should come out of the detergent hose.

If a fault occurs repeatedly or you cannot fix it yourself, please contact our customer service.

! For any repair, unplug the power cord from the socket!

Control Board

Light Diode D3:

  1. Constant light: Overvoltage protection has been activated.
  2. Flashing: The fuel float indicates a low fuel level or is defective.

Light Diode D4:

  1. Light: The burner is released, but the flame is not burning. If the flame ignites within two seconds, the light goes out. If the light does not go out, check the combustion. If the light does not go out, check the flame sensor.

The high-pressure cleaner can, however, still be used with cold water.

Heating (Burner)

ProblemPossible Cause
Fuel pump / Fan runs, but the burner does not heat.Set water temperature reached. Increase temperature on thermostat. Open spray gun with safety lock until temperature drops. Fuel filter/fuel nozzle clogged.
Fuel pump / Fan does not run. Fuel pump makes noise.Coupling between burner motor and fuel pump defective. Fan/fuel pump motor defective. Check electronics. Check fuse in terminal box.
Smoke during operation or after shutdown.Water in the fuel tank. Dirt/rust in the fuel pump. Clean the fuel tank. Replace the fuel pump.
Solenoid valve on the fuel pump does not open.Fuel contaminated. Nozzle or nozzle line leaking. Water in the fuel tank. Clean fuel pump.
Ignition does not work.Check ignition cable, check plug contacts for moisture, check for cable breakage, check connections of the ignition transformer. Transformer defective, ignition electrodes incorrectly set or burnt.
Fan does not run.Fan/fuel pump motor defective, check electronics, check fuse in terminal box, check coupling between burner motor and fuel pump.

Kränzle Accessories

Rotary Wash Brush

Underbody Lance

Double Lance

Accessories for high-pressure cleaners are safety components! Use of non-Kränzle approved components voids all warranties.

Foam Lances

Splash Guard

Hose with Suction Filter

When ordering, please provide the technical data of the high-pressure cleaner (unit type).

EU Declaration of Conformity

We hereby declare that the construction of the high-pressure cleaner:

Nominal flow rate: therm 1017: 1000 l/h, therm 1017 T: 1000 l/h

Technical documents provided by: Josef Kränzle GmbH & Co. KG, Christopher Königsberger, Rudolf-Diesel-Str. 20, 89257 Illertissen

Complies with the following requirements and directives for high-pressure cleaners:

Typical sound pressure level: 89 dB (A)

Guaranteed sound pressure level: 91 dB (A)

Applied conformity assessment procedure: Annex V, Outdoor Directive 2000/14/EC

Used specifications and standards: EN 60335-1: 2012/A13: 2017, EN 60335-2-79: 2012, EN 62233: 2008, EN 55014-1:2006+A1:2009+A2: 2011, EN 55014-2:2015, EN 61000-3-2:2014, EN 61000-3-3: 2013

Josef Kränzle GmbH & Co. KG

Rudolf-Diesel-Straße 20

89257 Illertissen (Germany)

Illertissen, 2025-05-22

Ludwig Kränzle (Director)

Warranty

The warranty obligation of Josef Kränzle GmbH & Co. KG towards the dealer from whom you purchased this Kränzle high-pressure cleaner (=product) applies exclusively to material defects, such as material and manufacturing faults.

Defects that are due to the long and frequent use of the product and are typical for the age and usage intensity of the high-pressure cleaner are based on wear and tear of the respective product components and are therefore not product defects. Such defects do not lead to warranty claims by the buyer. In particular, pressure gauges, nozzles, valves, sealing cuffs, high-pressure hoses, and spray devices are wear parts.

The product must be used in accordance with this user manual. This user manual is part of the warranty provisions.

Modifications to the safety devices of the product, as well as incorrect operation, for example, exceeding temperature and speed limits, undervoltage, lack of water, and dirty water, as well as improper use of the product, can lead to damage to the product that does not constitute defects.

If the use of non-original Kränzle accessories and non-original Kränzle spare parts is the cause of a defect in our product, this may lead to the complete loss of warranty rights. Only the use of original Kränzle accessories and original Kränzle spare parts, which are matched to the respective Kränzle high-pressure cleaner, guarantees safe and trouble-free operation of the Kränzle high-pressure cleaner.

The statutory warranty periods applicable in the respective country apply.

In case of warranty claims or any other defect, please contact your dealer or customer service in your area with the accessories and proof of purchase. You can also find this on the internet at www.kraenzle.com.

Inspection Reports

Industrial high-pressure cleaners must be inspected by a professional every 12 months!

Inspection report of the annual occupational safety inspection (UVV) according to the guidelines for fluid jet devices. (This inspection report serves as proof of the repeat inspection and must be kept carefully!) Kränzle Test Seals: Art. No.: UVV200106

Owner:

Address:

Inspection Scope

Control Data

Test Result (to be checked)

The next repeat inspection according to the guidelines for fluid jet devices must be carried out by: Month Year

Place, Date Signature

Final Report

High-Pressure Cleaner (Appliance Type):

Leakage Check

Electrical Check

Measured Current Consumption

Water Inlet Temperature in °C

5 6 7 8 9 10 11 12 13 14 15

Water Outlet Temperature in °C

60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90

Fuel Pressure in bar

9 9.5 10 10.5 11 11.5 12 12.5 13 13.5 14 14.5 15 15.5 16

Measured Soot Value

0 1 2 3

Name: Date: Signature:

Result of the Exhaust Gas Analysis

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