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Summary of Contents for Kronoterm WPG-07-1 HT
- Page 1 Manual for Installation, Use and Maintenance For heat pumps earth-water and water-water WPG-07-1 HT, WPG-10-1 HT WPG-15-1 HT, WPG-18-1 HT WPG-21-1 HT The manual has to be handed over to the end user after installation. Id.: 17-16-32-3048-01 | 7.2017...
- Page 2 This document is copyrighted. Any use outside the provisions of the copyright law without the permission of Kronoterm d.o.o. is illegal and punishable by law. All previous versions of this document are void. We reserve the right to make changes and mistakes in print.
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Page 3: Table Of Contents
Important information Symbols General Safety warnings and instructions Obligations of the manufacturer Obligations of the installer during installation Obligations of the authorised contractor for commissioning at first commission. Obligations of the user Factory testing Transport and installation of the device Transport Installation of the device Storing and warehousing of the device... - Page 4 Cleaning the water filter Monitoring the pressure in the heating system Cleaning of the heat conductors Cleaning of the heating system (water side) Operation malfunctions Technical data Dimensions of the device Technical data Operating envelope Heating mode Cooling mode Noise Legend of data label...
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Page 5: Important Information
Important information The manual describes the process of installation and maintenance of the device. The installation and maintenance can only be performed by qualified personnel. Read the manual carefully before the installation, this way you will be informed about the intended use, functionality and process of handling the device. -
Page 6: General
General NOTE Read the instructions for use and installation before installation. NOTE Any remaking or replacement of original components of the device eliminates the manufacturer’s guarantee for safe and functional operation. In the case of undesignated and incorrect use of the device the manufacturer is not responsible for the consequences and will not acknowledge claims for damages in these cases. - Page 7 WARNING The device can be operated independently only by informed persons who are familiar with the safe operation of the device and understand possible hazards of its operation. Children older than 8 and people with reduced physical and mental capacities and with lack of experience and knowledge can only operate the device under the supervision of an informed person.
- Page 8 DANGER Connecting the devices power cable can be performed by a qualified electrician. During the procedure the device must not be live. WARNING In case the power cable of the device is damaged it has to be immediately replaced. The replacement can only be performed by the manufacturer and authorised maintenance worker.
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Page 9: Obligations Of The Manufacturer
Obligations of the manufacturer The manufacturer guarantees that the device is in accordance with current European directives and standards. The device is marked with the mark CE and it has all the necessary documentation. We reserve the right to make changes to the manual without prior notice. As manufacturer we do not take responsibility for the consequences arising from: Non-compliance with the manual for the device. -
Page 10: Factory Testing
Factory testing For ensuring the high quality standard every device is tested in production for the following: Tightness of the cooling cycle, Water-tightness Electrical safety and Functionality. -
Page 11: Transport And Installation Of The Device
Transport and installation of the device Transport CAUTION The device must be transported with transport devices. Secure the device during transport to prevent damage. Transport the device in vertical position. It is prohibited to tilt the device above 45° . Otherwise, damage to the cooling system may occur. -
Page 12: Package And Worn-Out Device Management
Package and worn-out device management Sort the package according to cardboard, wood and foil and dispose of it in appropriate containers. After the lifespan of the device ends it has to be disposed of in accordance with the legislation on waste electrical and electronic devices in force. Refrigerant The device holds the fluorinated greenhouse gas. -
Page 13: Installation Of The Device
Installation of the device General Install the device in the utility room. The pipes connecting the device to the heating system are located on the upper side of the device. INSTALLATION of the device in case of using the heat of ground water Supply pipe for heating Supply pipe for heating - heat source (heating) - Page 14 INSTALLATION in case of using ground heat Supply pipe for heating Supply pipe for heating - heat source (heating) Return pipe for heating Return pipe for heating - heat source (heating) Device with regulation Sensor communication cable Magnetic separator of Temperature sensor for external temperature impurities Electrical cabinet...
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Page 15: Minimal Clearance From The Device
Minimal clearance from the device Minimal clearances of the internal device from walls for seamless operation, maintenance and servicing. min.400 mm min.400 mm Levelling of the device The internal device must be levelled in the horizontal position as shown on the diagrams below:... -
Page 16: Removal Of The Lid
Removal of the lid. The main switch of the device must be in the “OFF” position. Unscrew the screws marked with 1 on the left and right side of the device. Open the upper part of the lid (2) towards you. -
Page 17: Set Up And Connection Of The External Sensor
Set up and connection of the external sensor. For controlling the heating according to the external temperature, it is necessary to install the external temperature sensor. CAUTION The sensor must be set up in a shady spot. The sensor must not be set up above a window or door. It must be located away from heat sources. -
Page 18: The Scheme Of The Heating System
The scheme of the heating system Below you can see an example of the basic hydraulic and control scheme of the heating system. For other circuits see The Catalogue of Hydraulic Circuit Diagram. The elements on the scheme are marked in the following manner: Legend of reading: Mark of the element... - Page 19 ELEMENTS CONNECTING MARK CHARACTERISTICS CLIPS COMB A…G Connection to various types of heat pumps The device’s supply pipe for heating The device’s return pipe for heating Current oil DHW Backup source Warm sanitary water Boiler for sanitary water Cold sanitary water OCSV Circulating pump for DHW Main circulation pump...
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Page 20: Preparing The Heating Hydraulic System - Secondary
Preparing the heating hydraulic system - secondary Prepare the system according to one of the recommended hydraulic schemes (Catalogue of Hydraulic Wiring Diagrams) which is specified by the manufacturer of the device. This is the only way to ensure reliable and effective operation of the device. After connecting the device to the heating system, it is necessary to examine all circulating pumps and electric motor valves if they function correctly. - Page 21 CAUTION The heating system has to be filled with water with the hardness between 5 ° dH and 10 ° dH. Malfunctions of the device because of water hardness are not covered by the warranty. CAUTION The same quality requirements apply for underground water. The quality of the water used in the heating system is very important.
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Page 22: Charging Of The Heating System
Charging of the heating system WARNING Thorough venting of the system has to be ensured. Otherwise, malfunctions in operation may occur. CAUTION An expansion vessel of suitable dimensions must be fitted to the heating system. The expansion vessel must be dimensioned in accordance with standard EN 12828. CAUTION For normal operation of the expansion vessel, it is necessary to perform proper adjustments of the tank’s working pressure. - Page 23 Setting the pressure for the expansion vessel p Before filling the system with water, check and set the pressure p .The expansion vessel is factory set to the pressure specified on the standard label. For correct operation of the system, set the pressure p according to the equation below.
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Page 24: Heat Source - Primary
Heat source - primary WARNING The primary hydraulic system of the heat source can only be filled with a medium recommended by the manufacturer. Surface collector / depth probe To prepare an efficient antifreeze liquid, water needs to be added at least 30 % of ethylene glycol. Such a mixture provides protection against freezing up to -15 °C. -
Page 25: Electrical Connection
Electrical connection Connect the internal device to the mains according to the instructions described in this chapter. CAUTION Connecting the device to the electrical network has to be performed in accordance with the standards for connecting devices to the electrical network. The device has to be connected to the electrical network via the power supply cut-off which is installed into the electrical installation under the regulations in force. -
Page 26: Description Of Elements In The Electrical Cabinet
Description of elements in the electrical cabinet Remove the lid of the device to access the electrical cabinet. See chapter 3.1.3. ~230V ~230V ~230V ~230V ~230V ~230V ~230V ~230V ~230V ~230V ~230V ~230V Q11 Q12 MD1 (MBIO12) PWM - PWM + OPCIJSKO TE1 TE2 D1 D2 D3 D4 D5 D6 D7 D8 12V... -
Page 27: Schematic Display Of The Control System - Tt3000
PLC - process module Process module (PLC). WM - connection with the WEB module (factory made). TE2 - connection with the input/output module RQ2 - connection for resetting the alarm (factory (factory made). made). TS - connection of the room corrector KT-1(2) RQ1 - connection of the signal for reporting an alarm (optional). -
Page 28: Connection Of The Internal Control Unit - Tt3000
KT - 1 KT - 2 +12V +12V TERMOTRONIC MD1 (MBIO12) K8 K7 Connection of the internal control unit – TT3000 DANGER Connecting the device to the power source can only be performed by a qualified installer. In the scope of the internal control unit, MD1 has to be connected to: main circulation pump, temperature sensor for DHW, power cable,... - Page 29 mixing valve (optional), cooling valve (optional), additional external source (optional), internet connection with UTP cable (optional), temperature sensor of mixing-heating cycle 2 (optional), remote on/off (optional) thermostat of heating cycle 1 (optional), thermostat of heating cycle 2 (optional), switch for heating/cooling (optional). Connecting clamps for connecting utility room elements on the pictures are marked with a dark colour.
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Page 30: Electrical Connection Of The Power Cable
Electrical connection of the power cable DANGER Connecting the device to the power source can only be performed by a qualified installer in a voltage-free state. CAUTION The cable must be routed through the cord anchorage installed before the connecting terminals in the indoor unit. - Page 31 Connect the ethernet communication UTP cable (connector RJ-45) to the marked input above the main switch of the device. See picture below. WEB module ethernet connection. Main switch of the device...
- Page 32 Connecting clamps for choosing the type of device safeguard CAUTION The device is factory set for safeguarding the water-water type of device. In case of safeguarding the device type earth-water, it is necessary to move the bridge 2.4 on element X2.
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Page 33: Basic Input-Output Module Md1 - Wpg
Basic input-output module MD1 - WPG The connecting clamps enable the connection of electrical valves, pumps and other elements of the heating system to digital outputs Q1 to Q13 which are controlled via analogue inputs A1 to A8 (temperature sensors) and digital inputs D1 to D8. List of inputs and outputs on the internal basic input/output module MD1 Analogue inputs Digital inputs... -
Page 34: Connection Of The Elements To The Internal Control Unit Tt3000
Connection of the elements to the internal control unit TT3000 To connect the elements of the heating system to the basic V/I module MD1, use a cable with the diameter of wires 0.75 mm . Connect the cable according to the wiring diagram specific to the case on hand to the designated terminal clip. - Page 35 ELEMENTS CONNECTING MARK CHARACTERISTICS CLIPS Connecting clip Grounding wire Neutral wire Connecting phase of the input cable Connecting phase of the input cable Connecting phase of the input cable Connecting clip Connecting the CP of the heat source Joint connecting clip LP switch Connecting clip LP switch earth - water Connecting clip LP switch water - water Connecting clip 230 V...
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Page 36: Main Circulation Pump Connection
OCTV Heat source circulation pump thermal fuse Electrical contactor Electrical contactor Electrical contactor Phase control, voltage relay M 3~ Three-phase motor Compressor Overvoltage protection Neutral lath Grounding lath Main circulation pump connection Basic connection Connect the main circulation pump to Q3. Digital output connection clamp Q3... -
Page 37: Connecting Heating Cycle 2 (Direct Cycle - Optional)
Main circulation pump speed regulation (optional) The internal basic input/output module MD1 with the appropriate choice of circulation pump type offers linear speed adjustment of water flow. The circulation pump M3 with built-in control input is connected to the digital output Q3. Setting the speed is enabled by connecting the PWM pump input and PWM - / PWM + outputs on the internal basic V/I module MD1. - Page 38 To connect the direct heating cycle 2, connect the circulation pump M6 to the output Q8. The request to turn on the direct heating cycle 2 is the room thermostat signal connected between GND and D6 (picture below) or room corrector KT-1(2) signal (chapter 3.5) or weather curve. Digital output connection clamp Q8 (heating cycle).
- Page 39 Mixing circuit To connect the mixing heating cycle 2, connect the circulation pump M6 to the output Q8. And the mixing valve M7 to Q9 and Q10. To control the temperature, connect the mixing cycle sensor to input A7. The request to turn on the mixing heating cycle 2 is the room thermostat signal connected between GND and D6 (picture below) or room corrector KT-1(2) signal (chapter 3.5) or weather curve.
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Page 40: Dhw Connection (Optional)
DHW connection (optional) Connecting the DHW can be performed in two different ways: 1. Along with the main circulation pump M3, connect the digital output Q4 with the separate pump M4 which ensures the flow for the DHW. The circulation pump M4 is controlled via analogue input A2 which is connected with the DHW temperature sensor S2 for DHW. -
Page 41: Connection Of The Device's Remote On/Off (Optional)
Connection of the device’s remote on/off (optional) Device’s remote on/off is performed via the switch between the digital input D5 and GND. Use it if you are using BMS (building management system), cascade regulation of multiple devices and additional source in the heating system, and in case of a demand from the electricity distributor for a remote shut down of the device. -
Page 42: Connecting The Cooling Valve (Optional)
Connecting the cooling valve (optional) The cooling valve M8 connect to the digital output Q11. You can use it in case of active and/or passive cooling. Connecting clamp of the digital output Q11 (switch valve). M D 1 ( M B I O 1 2 ) J M P Connecting the relay of the additional source DOVOG- gas/oil DHW (optional) Additional external heat source (DZVOG) is connected to the relay which is connected to the digital... -
Page 43: Connection Of The Room Temperature Corrector Kt-1 And
Connection of the room temperature corrector KT-1 and KT-2 Spatial corrector KT-1(2) is connected according to the circuit diagram below. Care should be taken to correctly connect the UTP cable with the connector RJ-45. KT - 1 KT - 1 KT - 1 A+ B- GND +12V A+ B- GND +12V... -
Page 44: Commissioning Of The Device
Commissioning of the device After professional installation, the authorised contractor for commissioning has to perform the commissioning of the device. CAUTION Before the commission it is necessary all the required tasks and inspections from the tasks for commission. CAUTION The commission can only be performed by a person authorised by the manufacturer! If the commission is performed by an unauthorised person, the warranty is not recognised. -
Page 45: Cleaning Of The Heat Conductors
Cleaning of the heat conductors Cleaning of the heating system (water side) Residue of grease and sealants in pipes can pollute the condenser of the device up to a point where cleaning is necessary. In this case the authorised person should perform the cleaning with a mild solution (up to 5 %) of phosphorous acid which should be heated to room temperature. -
Page 46: Technical Data
Technical data Dimensions of the device Device WPG H WPG HK Dimensions G [mm]... -
Page 47: Technical Data
Technical data Device WPG-07-1 HT WPG-10-1 HT WPG-15-1 HT Version Heat source primary side Geothermal energy Heat sink secondary side Water Controller TERMOTRONIC 3000 WEB Device placement Internal Placement of the controller un. Installed in the heat pump Compressor 1 x scroll... - Page 48 Device WPG-07-1 HT WPG-10-1 HT WPG-15-1 HT Inlet temp. 30% solution of ethylene glycol in the device 0 ° C (i.e. ground collector, borehole) - operation as “earth- water” Rated flow Pressure drop at rated flow Heating Operating envelope - °C...
- Page 49 Device WPG-18-1 HT WPG-21-1 HT Version Heat source primary side Geothermal energy Heat sink secondary side Water Controller TERMOTRONIC 3000 WEB Device placement Internal Placement of the controller un. Installed in the heat pump Compressor 1 x scroll Electric heater 3 x 2 kW ~ 230V Soft start-up Yes (optional)
- Page 50 Device WPG-18-1 HT WPG-21-1 HT Secondary side (heat sink) - water Min. / Max. pressure in the system 0,05 / 0,3 (0,5 / 3 bar) Pipe connections G 5/4” (int. dev.) G 5/4” (int. dev.) Recommended dimensions of pipes leading to the device Recommended main circulation pump WILO...
- Page 51 With the cable we have taken into account laying B2 from the table A.52.4 – IEC 60364-5-52. The cable in the installation pipe is fixed to the wall. The dimensions of the electrical cables must always be checked or determined by the designing engineer of electrical installations.
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Page 52: Operating Envelope
Operating envelope Devices can operate inside the operation ranges shown below. Heating mode Temperature of heat source [ C] Cooling mode Applies to reversible models Air temperature [ C]... -
Page 53: Noise
Noise Noise is any kind of sound which causes a disturbance, interferes with a person’s work and causes harm to health and well-being. Individuals can have different reactions to the same noise at different occasions. Perception of sound also depends on the current mood of an individual. Every device which operates with fluctuation is a source of sound. - Page 54 r = 1 m r = 5 m r = 10 m The source of sound of the device Level of sound power [dB] Noise A pocket watch in the bedroom Very quiet Air conditioning in an office quiet Heating heat pump Loud Normal speech Loud...
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Page 55: Legend Of Data Label
Legend of data label Characteristics Mark Maximal compressor electrical power. Maximal electrical heater power. Maximal additional load electrical power (circulation pump, etc.). Maximal electrical power of the device (compressor + electric heater + additional load). Cooling circuit. DHW. Heat exchanger in the DHW. Heating system. - Page 56 The headquarters of the company and place of production Kronoterm d.o.o. Trnava 5e 3303 Gomilsko Tel.: (00386) 3 703 16 20 | Fax: (00386) 3 703 16 33 | Web-page: www.kronoterm.com E-mail: info@kronoterm.com| Customer support and service.: (00386) 3 703 16 26 | E-mail.:...
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