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Summary of Contents for Grunbeck GENO-WT-K 42
- Page 1 We understand water. Accessories | Compact heat exchanger GENO-WT-K Operation manual...
- Page 2 General Contact Germany International Sales Phone +49 9074 41-145 Service Phone 09074 41-333 service@gruenbeck.de Availability Monday to Thursday 7:00 am - 6:00 pm Friday 7:00 am - 4:00 pm We reserve the right to technical modifications. © by Grünbeck Wasseraufbereitung GmbH Original operation manual Edition: June 2023 Order no.: 100228390000_en_025...
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Page 3: Table Of Contents
Table of contents Table of contents Introduction ........5 Start-up/commissioning ....31 Validity of the manual ...... 5 Venting the system/checking for Other applicable documents .... 5 leaks ..........32 Product identification ....... 5 Setting the circulation pump ..33 Symbols used ........ - Page 4 Table of contents 11.1 Dismantling ........53 11.2 Disposal ......... 54 Technical specifications ....56 12.1 Capacity curves of GENO-WT-K ... 58 Operation log ......... 59 13.1 Start-up/commissioning log .... 59 EU Declaration of Conformity ....65 4 | 68...
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Page 5: Introduction
Illustrations in this manual are for basic understanding and can differ from the actual design. 1.1 Validity of the manual ● Compact heat exchanger GENO-WT-K 42 ● Compact heat exchanger GENO-WT-K 76 ● Special designs that essentially correspond to the standard products given above. - Page 6 Introduction You can identify your product based on the product designation and the order no. indicated on the type plate. ► Check whether the products indicated in chapter 1.1 corre- spond to your product. The type plate is located on the housing. Designation Designation CE mark...
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Page 7: Symbols Used
Introduction Designation Nominal connection diameter on heat exchanger 1.4 Symbols used Symbol Meaning Danger and risk Important information or requirement Useful information or tip Written documentation required Reference to further documents Work that must be carried out by qualified specialists only Work that must be carried out by qualified electricians only Work that must be carried out by technical service personnel only 7 | 68... -
Page 8: Depiction Of Warnings
Introduction 1.5 Depiction of warnings This manual contains information and instructions that you must obey for your personal safety. The information and instructions are highlighted by a warning symbol and are structured as shown below: 1.1.1.2 SIGNAL WORD 1.1.1.3 Type and source of hazard ●... -
Page 9: Demands On Personnel
Introduction 1.6 Demands on personnel During the individual life cycle phases of the product, different peo- ple carry out work on the product. This work requires different quali- fications. 1.6.1 Qualification of personnel Personnel Requirements • No special expertise required User •... - Page 10 Introduction 1.6.2 Authorisations of personnel The table below describes which tasks may be carried out by whom. User Owner/op- Qualified Technical erator/ specialist service operating company Transport and storage Installation and mounting Start-up/commissioning Operation and handling Cleaning Inspection Maintenance semi-annually annually Troubleshooting Repair...
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Page 11: Safety
Safety Safety 2.1 Safety measures ● Only operate your product if all components are installed properly. ● Obey the local regulations on drinking water protection, acci- dent prevention and occupational safety. ● Do not make any changes, alterations, extensions or program changes on your product. - Page 12 Safety 2.1.2 Pressure-related hazards ● Components can be under pressure. There is a risk of injuries and damage to property due to escaping water and unex- pected movement of components. Check the system’s pres- sure lines at regular intervals. ● Before starting any repair and maintenance work, make sure that all affected components are depressurised.
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Page 13: Product-Specific Safety Instructions
Safety 2.1.4 Groups of persons requiring protection ● This product is not designed to be used by persons (including children) with reduced capabilities, lack of experience or lack of knowledge. ● Children must be supervised to make sure that they do not play with the product. -
Page 14: Conduct In Emergencies
Safety Labels on the product Risk of electric shock Hot surface The affixed information and pictograms must be clearly legible. They must not be removed, soiled or painted over. ► Obey all warnings and safety instructions. ► Immediately replace illegible or damaged symbols and picto- grams. -
Page 15: Product Description
Product description Product description 3.1 Intended use ● The compact heat exchanger GENO-WT-K is used for heat- ing up the pool water (freshwater) in private or public swim- ming pools and whirlpools. 3.1.1 Application limits The compact heat exchanger GENO-WT-K is designed for counter- flow operation in a dual-circuit system. -
Page 16: Product Components
Product description 3.1.2 Foreseeable misuse ● Use in salt, sea or brine water is not permitted. 3.2 Product components Designation Function Hose connection For pool water Bolt clamps To fix the hose connections Insert with union nut For connection to the heat exchanger Return ball valve Return of heating circuit, connection 1"... -
Page 17: Accessories
Product description Designation Function Clamp holder For wall or floor mounting Heat exchanger incl. For heat transfer and to house the temperature thermowell sensor Fastening material 4x hexagon head screw, washer, dowel 3.3 Accessories You can retrofit your product with accessories. Please contact your local Grünbeck representative or Grünbeck’s headquarters in Hoechstaedt/Germany for details. -
Page 18: Transport And Storage
Transport and storage Transport and storage 4.1 Shipping/Delivery/Packaging The product is packed in a cardboard box at the factory. ► Upon receipt, immediately check for completeness and transport damage. 4.2 Transport ► Transport the product in its original packaging only. 4.3 Storage ►... -
Page 19: Installation
Installation Installation The installation of the system must be carried out by a qualified specialist only. NOTE Leaks or system damage due to corrosion. ● Leaks, water loss, water damage, system failure. ► Position the dosing system for chemicals or the dosing points//injection points in the pipe downstream of the heat exchanger. - Page 20 Installation Installation example in partial flow Designation Designation Shut-off valve provided by client Bypass line of pool water circuit on site in the main pipe of the Heating circuit pool water circuit 20 | 68...
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Page 21: Requirements For The Installation Site
Installation 5.1 Requirements for the installation site ● The adequately dimensioned installation surface of the sys- tem must be level and provide sufficient strength and load- bearing capacity to support the operating weight of the sys- tem. ● The installation site must be frost-proof and ensure the sys- tem's protection from direct sunlight, chemicals, dyes, sol- vents and their vapours, etc. -
Page 22: Checking The Scope Of Supply
Installation 5.2 Checking the scope of supply Designation Designation Heating circulation pump with Fastening material connection cable 2 m in length Fastening clamps and pump plug Hose connection with PVC-U Operation manual nipple Heat exchanger Ball valves (heating side) ► Check the scope of supply for completeness and damage. 22 | 68... -
Page 23: Installing The Heat Exchanger
Installation 5.3 Installing the heat exchanger An incorrect installation position can damage the circulation pump and cause system failure. ► Install the heat exchanger in a horizontal position only. Installation below pool level ► Install the heat exchanger below pool level downstream of the filter system in the partial or full flow. - Page 24 2. Determine distance A between the fastening clamps – as far apart as possible. a Recommended distance A: GENO-WT-K 42 ~ 140 mm GENO-WT-K 76 ~ 300 mm 3. Determine distance B. 4. Securely fasten the product according to the conditions on site.
- Page 25 Installation 5. Insert the heat exchanger. 6. Firmly secure the heat exchanger – tighten the clamps. a Make sure that the heating outlets point plumb up- wards. 7. Check that all connections are secure. 5.3.2 Connecting the lines Obey the flow directions on the heating and pool water side. 25 | 68...
- Page 26 Installation Designation Designation Pool water inlet Supply from the heating system Outlet to the pool Return to the heating system 1. Push the hose connections onto the connections on the right and left of the heat exchanger. 2. Tighten all bolt clamps hand-tight. 5.3.3 Connecting the heating Designation Designation...
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Page 27: Electrical Installation
Installation 5.3.4 Installing components/water pipes provided by the client on site Temperature increase on the pool water side of the NOTE heat exchanger to more than 40 °C. ● Damage and failure of the system or of the PVC-U piping. ►... - Page 28 Installation Pulsed mains voltage can cause damage to the NOTE electronics. ► Never connect the heating circulation pump with phase angle control. ► Only operate the heating circulation pump with sinusoidal AC voltage. For the power supply to be provided by the client on site, a power outlet that has its own AC/DC sensitive ground fault circuit inter- rupter (30 mA) is required.
- Page 29 Installation 2. Connect the pump plug to the plug connector of the control module. » The pump plug clicks into place. Connection terminals on filter control units Control unit Terminal Terminal Terminal (brown or black 1) (blue or black 2) (yellow/green) BW-tronic free PE...
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Page 30: Thermal Insulation Of Components
Installation 5.5 Thermal insulation of components The components on the heating side must be thermally insulated. Insufficient heat dissipation and condensed water NOTE damage the control module and the wet rotor mo- tor. ● System failure ► Do not thermally insulate the wet rotor motor. ►... -
Page 31: Start-Up/Commissioning
Start-up/commissioning Start-up/commissioning The initial start-up/commissioning of the product must be carried out by technical service personnel only. Thermal hazard due to contact with hot surfaces CAUTION (up to 90 °C) ● Burns ► Do not touch the hot surfaces of the heat exchanger and of the components on the heating side. -
Page 32: Venting The System/Checking For Leaks
Start-up/commissioning 6.1 Venting the system/checking for leaks Designation Designation Shut-off valve of heating supply Shut-off valve of heating return 3. Open the shut-off valves. 4. Vent the pipes on the pool and heating side. 5. Visually check the installation for leaks. 32 | 68... -
Page 33: Setting The Circulation Pump
Start-up/commissioning 6.2 Setting the circulation pump ► For operation of circulation pump refer to chapter 7.1. Designation Designation Pump housing Control module Wet rotor motor Control panel If the heating circulation pump does not vent automatically: 33 | 68... - Page 34 Start-up/commissioning ► Press the operating key for at least 3 seconds and then re- lease it. » The venting function starts and takes about 10 minutes. » The upper and lower LED rows flash alternately at intervals of 1 second. »...
- Page 35 Start-up/commissioning Control modes Factory-setting: Constant speed, characteristic curve III Function Variable differential pressure Δp-v (I, II, III) If the volume flow in the pipe network decreases, the pump reduces the delivery head by half. Constant differential pressure Δp-c (I, II, III) The control keeps the set delivery head constant regardless of the volume flow delivered.
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Page 36: Checking The System For Function
Start-up/commissioning The LED selection of the control modes and the associated charac- teristic curves is clockwise. 6.3 Checking the system for function 1. Check the heat input into the swimming pool 2. Check the locking of the heating circulation pump with the pool water circulation pump being switched off. -
Page 37: Operation/Handling
Operation/handling Operation/handling CAUTION Maximum temperature exceeded ● System failure and risk of water damage ► Take measures in the control technology or by mechanical means to make sure that if the pool water circulation pump is at a standstill, the flow on the heating side is stopped or in- terrupted as well. -
Page 38: Operation Of The Circulation Pump
Operation/handling 7.1 Operation of the circulation pump Designation Designation Display of the selected control Operating key mode Operating/fault signal LED Display of the selected charac- lights up green: teristic curve (I, II, III) Normal operation Pressing the operating key Pressing and holding the operating key briefly Selecting the control mode Activating the venting function (press for 3 s) - Page 39 Operation/handling 1. Press and hold the operating key for 8 seconds until the LEDs of the selected setting flash briefly, then release the key. » The LEDs flash permanently at intervals of 1 second. » The key lock is activated. ►...
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Page 40: Activating The Factory Settings
Operation/handling 7.3 Activating the factory settings Proceed as follows to reset the circulation pump to factory setting: 1. Press and hold the operating key while switching off the circu- lation pump at the same time. a Press and hold the operating key for at least 4 sec- onds. -
Page 41: Maintenance And Repair
Maintenance and repair Maintenance and repair Maintenance and repair includes cleaning, inspection and mainte- nance of the product. The responsibility for inspection and maintenance is subject to local and national requirements. The owner/operator/operating company is responsible for compliance with the prescribed maintenance and repair work. -
Page 42: Cleaning
Maintenance and repair 8.1 Cleaning Damp cleaning of live components WARNING ● Risk of electric shock ● Sparking possible due to short circuit ● Switch off the voltage supply – as well as any external volt- age – before starting the cleaning work. ►... -
Page 43: Intervals
Maintenance and repair 8.2 Intervals By way of regular inspections and maintenance, malfunctions can be detected in time and system failures might be avoided. ► As owner/operator/operating company determine which com- ponents must be inspected and maintained at which intervals (load-dependent). -
Page 44: Inspection
Maintenance and repair 8.3 Inspection You as owner/operator/operating company can carry out the regular inspections yourself. ► Carry out an inspection at least once a month and proceed as follows when doing so: 1. Check the heat exchanger for function. 2. - Page 45 Maintenance and repair 7. Check the function of the maximum temperature limiter (optional accessory). 8. Record the data and work performed, including repairs, in the operation log (refer to chapter 13). 8.4.2 Annual maintenance Annual maintenance work requires expert knowledge. This kind of maintenance work must only be carried out by Grünbeck's tech- nical service or by qualified specialists trained by Grünbeck.
- Page 46 Maintenance and repair 5. Install the hose connection on the pool water side. a Use a new hose, if necessary. 6. Establish the voltage supply. 7. Check all product components for function and leaks. 8.4.3 Cleaning with scale remover Obey the safety and application instructions of the scale remover used.
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Page 47: Spare Parts
Maintenance and repair 8.5 Spare parts For an overview of the spare parts, refer to our spare parts cata- logue at www.gruenbeck.com. You can order the spare parts from your local Grünbeck representative. 8.6 Wearing parts Wearing parts must be replaced by qualified specialists only. The wearing parts are listed below: ●... -
Page 48: Troubleshooting
Troubleshooting Troubleshooting Dangerous voltage on components WARNING ● Severe burns, cardiovascular failure, fatal electric shock ► Always disconnect the electrical power supply before in- stalling or dismantling, or performing any intervention on the control unit, or carrying out any work on electrical compo- nents. - Page 49 Troubleshooting The fault signal LED indicates a malfunction. » The heating circulation pump switches off (depending on the fault) and attempts cyclical restarts. 1. Eliminate the fault (refer to fault table). 2. Acknowledge the fault. 3. Monitor the displays on the circulation pump Faults Explanation Remedy...
- Page 50 Troubleshooting 9.1.2 Manual restart The heating circulation pump automatically attempts a restart when blocking is detected. If the heating circulation pump does not start again automatically, trigger a manual restart. ► Press and hold the operating key for 5 seconds and then release it.
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Page 51: Other Observations
Troubleshooting 9.2 Other observations Observation Explanation Remedy ► Check fuses Pump does not run with Electrical fuse defective power on ► Eliminate voltage in- Pump has no voltage terruption ► Increase system Pump makes noises Cavitation due to insuffi- cient supply pressure pressure within the admissible range ►... -
Page 52: Decommissioning
Decommissioning 10 Decommissioning The work below must be carried out by technical service personnel only. 10.1 Temporary standstill If a longer standstill of the system is planned, the system must be decommissioned. The tasks below must be carried out: 1. Flush the system with clear water to remove chlorine and salt residues. -
Page 53: Dismantling And Disposal
Dismantling and disposal 11 Dismantling and disposal 11.1 Dismantling The work described herein represents an intervention into your pool water and heating water installation. ► Have this work carried out by qualified specialists only. 4. Flush the system with clean pool water on the pool water side. -
Page 54: Disposal
Dismantling and disposal 11.2 Disposal ► Obey the applicable national regulations. Packaging ► Dispose of the packaging in an environmentally sound manner. Danger to the environment due to incorrect dis- NOTE posal ● Packaging materials are valuable raw materials that can be reused in many cases. - Page 55 Dismantling and disposal For information on collection points for your product contact your municipality, the public waste management authority, an authorised body for the disposal of electrical and electronic products or your waste disposal service. 55 | 68...
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Page 56: Technical Specifications
Technical specifications 12 Technical specifications Dimensions and weights WT-K 42 WT-K 76 Diameter Total length Housing length Distance to heating Distance to floor Distance to wall Height ~ 362 ~ 367 Weight ~ 7.8 ~ 10.4 56 | 68... - Page 57 Technical specifications Connection data WT-K 42 WT-K 76 Nominal connection diameter PW DN 40 DN 40 (thread on heat exchanger) (1½" fem. thread) (1½" fem. thread) 1ʺ female thread Heating connection Swimming pool pressure < 2.5 Heating pressure < 6 ≤...
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Page 58: Capacity Curves Of Geno-Wt-K
Technical specifications 12.1 Capacity curves of GENO-WT-K The capacity of the heat exchanger in kW refers to the maximum possible transfer capacity at the minimum flow rates specified. 58 | 68... -
Page 59: Operation Log
Operation log 13 Operation log ► Document the initial start-up/commissioning and all mainte- nance activities. ► Copy the maintenance report. Compact heat exchanger GENO-WT-K ______ Serial no.: ______________________________ 13.1 Start-up/commissioning log Customer Name Address Pool version Design Indoor pool Outdoor pool Pool size Volume in m³... - Page 60 Operation log Installation/Accessories Digital temperature Others controller Setting Control mode (refer to chapter 6.2.1). Pool water Water temperature ° C Total water hardness °dH – pH value Conductivity µS Value of disinfectant in the pool mg/l (free chlorine, bromine, ...) Remarks Start-up/commissioning Company...
- Page 61 Operation log Maintenance no.: ___ Enter the measured values and operating data. Confirm the checks with OK or record any repairs carried out. Operating values Pool water Before maintenance After maintenance Water temperature °C °C Total water hardness °dH °dH pH value Conductivity µS...
- Page 62 Operation log Maintenance no.: ___ Enter the measured values and operating data. Confirm the checks with OK or record any repairs carried out. Operating values Pool water Before maintenance After maintenance Water temperature °C °C Total water hardness °dH °dH pH value Conductivity µS...
- Page 63 Operation log Maintenance no.: ___ Enter the measured values and operating data. Confirm the checks with OK or record any repairs carried out. Operating values Pool water Before maintenance After maintenance Water temperature °C °C Total water hardness °dH °dH pH value Conductivity µS...
- Page 64 Operation log Maintenance no.: ___ Enter the measured values and operating data. Confirm the checks with OK or record any repairs carried out. Operating values Pool water Before maintenance After maintenance Water temperature °C °C Total water hardness °dH °dH pH value Conductivity µS...
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Page 65: Eu Declaration Of Conformity
EU Declaration of Conformity In accordance with the EU Low-Voltage Directive 2014/35/EU, Appendix IV This is to certify that the system designated below meets the safety and health protection re- quirements of the applicable EU guidelines in terms of its design, construction and execution. This certificate becomes void if the system is modified in any way not approved by us. - Page 68 Grünbeck Wasseraufbereitung GmbH Josef-Grünbeck-Str. 1 89420 Hoechstaedt/Germany +49 9074 41-0 +49 9074 41-100 For more information info@gruenbeck.com go to www.gruenbeck.com www.gruenbeck.com...
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