background image

 
 

 

 

Manual for Installation, Operation 

and Maintenance of Internal heat 

pump units. 

 
 

Models 

WSL141, WSL142 

 

 

The manual must be handed over to the end user after installation. 

 

 

 

 

 

Summary of Contents for WSL141

Page 1: ...Manual for Installation Operation and Maintenance of Internal heat pump units Models WSL141 WSL142 The manual must be handed over to the end user after installation ...

Page 2: ...e 14 4 2 1 Minimal clearance from the device 14 4 2 2 Wall mounting 16 4 2 3 Attachment of the indoor unit 17 4 2 4 Removal of front cover 18 4 3 Connection with the external device 19 4 3 1 Refrigeration connection Gas and liquid connection 19 4 4 Hydraulic connection 23 4 4 1 DHW system 23 4 4 2 Heating system 27 4 4 3 The scheme of the heating system 28 4 4 4 Charging of the heating system 31 4...

Page 3: ...set of the thermal protection of the electrical heater 52 7 Technical data 54 7 1 Dimensions of the device 54 7 1 1 WSL141 54 7 1 2 WSL142 55 7 1 3 Technical data WSL141 56 7 1 4 Technical data WSL 142 57 7 2 Noise 59 Manual for installation use and maintenance Hydro module WSL141 WSL142 This document is copyrighted Any use outside the provisions of the copyright law without the permission of Wate...

Page 4: ... Risk of situations which can lead to damage or malfunction of the device This symbol marks information for the user NOTE A notice holding important information regarding requirements of the manufacturer and the device Definitions An informed person is a person who reads this manual A qualified person has a certificate of expert qualifications An authorised commission contractor is trained by the ...

Page 5: ... accordance with the manual otherwise the manufacturer does not acknowledge the warranty NOTE High pressure in heating system can cause that safety valve leak water Make sure the drainage pipe is open to atmospheric pressure CAUTION A yearly inspection of the safety valve is necessary to ensure its proper operation when performing it remove lime deposits and make sure the safety valve is not block...

Page 6: ...nufacturer It has to be performed by a professionally trained person WARNING It has to be made sure that the device does not endanger anybody Access to the device has to be denied to children and persons who are not informed about the operation of the device WARNING The device must never be cleaned with cleaning agents containing sand soda acid or chlorides because these might damage the surface o...

Page 7: ...electrical distributor has to provide electricity of adequate quality SIST EN 50160 In normal conditions this is within 10 of the rated voltage The data about the state of the electrical grid may be acquired from the electrical distributor CAUTION Connecting the device to the electric grid has to be performed in accordance with the standards The device has to be connected to the electric grid via ...

Page 8: ...larly maintain the device for keeping the device functioning properly throughout its entire lifespan Gives the user all the documentation accompanying the device 1 7 Obligations of the user For ensuring unobstructed and effective operation of the device the user has to follow the following instructions For ensuring unobstructed and effective operation of the device the user has to follow the follo...

Page 9: ...essary NOTE The device must be connected via closing valves 2 1 Transport CAUTION The device must be transported with transport devices Secure the device during transport to prevent damage 2 2 Installation of the device CAUTION Appropriate transport equipment must be used for installing the device Safety regulations and good practise have to be applied 2 3 Storage and warehousing of the device The...

Page 10: ...0 Temperature sensor of 2 mixing heating circuit Pt 1000 Temperature sensor of external temperature Installation instructions Instructions for use 3 1 1 Hydro module SPLIT Hydro module Hydro module with integrated 200 litres domestic hot water cylinder WSL141 WSL142 DATA LABEL ...

Page 11: ...ends it has to be disposed of in accordance with the legislation on waste electrical and electronic devices and devices which contains fluorinated greenhouse gas Refrigerant The device has to be connected to the external unit holding the HFC refrigerant which is a fluorinated greenhouse gas You have to prevent leakage of the gas into the atmosphere During a maintenance procedure or removal of the ...

Page 12: ...f the device 4 1 General The device is installed according to capacity WSL141 1 Refrigerant line for gas 2 Refrigerant line for liquids 3 Cold sanitary water 4 Hot sanitary water 5 Return line system 6 Supply pipe system ...

Page 13: ...13 WSL142 1 Refrigerant line for liquids 2 Refrigerant line for gas 3 Cold sanitary water 4 Circulation of sanitary water 5 Hot sanitary water 6 Supply pipe system 7 Return line system ...

Page 14: ...aintenance separately these costs are not subject of the warranty NOTE When you install the device into the building make sure that you build in a water drain which will serve as a water drain in case of spillage 4 2 1 Minimal clearance from the device Minimal clearances of the external device from walls for seamless operation maintenance and servicing WSL141 Clearances CAUTION The device must not...

Page 15: ...15 WSL142 Clearances ...

Page 16: ...nting In the case of WSL141 CAUTION The wall and screw fittings must hold the weight of the device See technical information The device must be levelled 1 Hydro module 3 Wall mount 2 Screws accessories 4 Levelling screw ...

Page 17: ...17 4 2 3 Attachment of the indoor unit CAUTION The indoor unit has to be screwed to the base the screws are not part of the delivery 1 Screws holes ɸ10 for attaching the indoor unit 1 ...

Page 18: ...e WSL141 Unscrew 4 screws of the 1 side Open the cover lid towards yourself and push upward Removal of side WSL142 First unscrew 2 screws of the lid A Open the lid A towards yourself and push upward After this repeat the procedure for each lid 1 1 ...

Page 19: ...pe A B P16 Fill with waterproof polyurethane foam P20 Ribbed protective pipe min ɸ 75 P17 Protective pipe for external sensors and communication cable P21 The ribbed protective pipe for the power cable depends on the dimension of the supply cable P18 Copper pipe Cu P22 Ribbed protective pipe min ɸ 150 P19 Insulation min 13 mm Preparation of the refrigeration pipe Prepare the refrigeration pipe in ...

Page 20: ... nut from the pipe in outdoor unit Insert the screw nut into the pipe which has been cleaned STEP 4 Edging The edging has to be performed with tools for edging as shown 1 Holder 4 Cone 2 Copper pipe 5 Bracket 3 Fitting 6 Handle 7 Holder Mount the copper pipe firmly into the tool for edging Consider the dimensions listed in the table below External diameter A mm inch mm 9 52 3 8 1 5 1 7 15 88 5 8 1...

Page 21: ...nterior device STEP 1 Determine the direction of the pipe connection Connect the connecting pipes to the device from below wall unit of HM In the case of the HM model with integrated boiler make the connection from above In the case of WSL141 and HM142 S1 STEP 2 Pipe connection Remove the side see chapter 4 2 3 Align the end of the connection pipe with the middle of the pipe from indoor unit and t...

Page 22: ...22 1 Torque key 2 Counter key 1 Torque key 2 Counter key 1 2 1 2 ...

Page 23: ...of connections can occur on the inner side of the buffer tank for DHW We recommend placing galvanic isolators made of red brass the length of at least twice the diameter of the pipe on the connections CAUTION The buffer tank for DHW is intended for storing drinking water this is why the water has to be in accordance with the national regulations on drinking water in force otherwise damage to the d...

Page 24: ...pump 8 Cold sanitary water 9 Cold circulation water 10 Warm sanitary water 1 7 3 1 1 9 10 1 3 2 1 4 5 6 8 5 Adjusting the safety valve MPa bar 0 6 6 0 System pressure MPa bar 0 3 3 0 0 35 3 5 0 4 4 0 Volume of the DHW l Expansion vessel l 200 5 8 12 300 15 19 26 The actual size of the expansion vessel has to be defined by the installer design engineer according to the extent of the system the devi...

Page 25: ... MPa bar 0 6 6 0 System pressure MPa bar 0 3 3 0 0 35 3 5 0 4 4 0 Volume of the DHW l Expansion vessel l 200 5 8 12 The actual size of the expansion vessel has to be defined by the installer design engineer according to the extent of the system the device will be installed in DHW tank drain The drain valve at the bottom of the buffer tank is the most suitable in case the buffer tank for DHW has to...

Page 26: ...26 Drain valve ...

Page 27: ... balancing ensuring unobstructed flow and defrosting A larger accumulator ensures a more balanced temperature of heating and more comfort NOTE When installing an additional larger heat accumulator it is necessary to close the ball valve in the indoor unit The location of the ball valve is indicated on the picture below In the case of WSL141 C Ball valve In the case of WSL142 C C Ball valve ...

Page 28: ...ng cycle 1 T2 Thermostat of heating cycle 2 OC1 Circulation pump of heating cycle 1 OC2 Circulation pump of heating cycle 2 MV2 Mixing valve of heating cycle 2 OGK 1 Heating cycle 1 OGK 2 Heating cycle 2 MD2 Expansion input output module 2 T3 Thermostat of heating cycle 3 T4 Thermostat of heating cycle 4 OC3 Circulation pump of heating cycle 3 OC4 Circulation pump of heating cycle 4 MV3 Mixing val...

Page 29: ...frigerant freon line liquid SPLIT model 2 Supply pipe COMPACT model 3 Return line cold sanitary water 4 Supply pipe hot sanitary water 5 Return line system applies to the heating regime 6 Supply pipe system applies to the heating regime The elements on the scheme are marked in the following manner Legend of reading OC1 Mark of the element MD1 Q7 Mark of the connecting terminal on the input output ...

Page 30: ...r Legend of reading OC1 Mark of the element MD1 Q7 Mark of the connecting terminal on the input output module MD Mark of the input output module ELEMENTS CONNECTING TERMINALS MARK CHARACTERISTICS HM Hydro module with integrated boiler 6 Return line system applies to the heating regime 7 Supply pipe system applies to the heating regime ...

Page 31: ...djustments of the tank s working pressure The settings have to be checked every 12 months The pressure settings of the expansion vessel and filling the hating system A Filling the system B Expansion vessel C Ball valve with exhaust D Air filling valve H Height of the heating system psv Pressure of the safety valve CAUTION Consider the maximal operational pressure of the vessel NOTE Unsuitable pre ...

Page 32: ...lowed pressure of the heating system H m Height of the heating system Set the amount of pressure in the expansion vessel by releasing or supplementing dry nitrogen Record the new value of the pressure p0 on the serial label Open the ball valveof the expansion vessel carefully open the vents and close the drain Filling the heating system Use the filling valve to fill the system with water of suitab...

Page 33: ...luence of these on the heat exchanger are presented in the table below It is not allowed to use heating water which contains any substance in concentrations which cause corrosion in the heating system influence It is also not allowed to use heating water which contains two or more substances in concentrations which could cause corrosion in the heating system influence 0 TYPE OF PRESENT SUBSTANCE U...

Page 34: ...tibacterial agents for preventing corrosion Before filling the heating system has to be cleaned of all impurities The heating system has to be thoroughly vented You must prevent air including diffusion air entering the device NOTE To prevent damage to the components of the hydraulic system we recommend the additional installation of SpiroVent RV2 air micro bubble venting system The presence of mic...

Page 35: ...ype A CAUTION The device must be connected to the mains with a cable with an appropriate diameter The electrician defines the diameter of the cable according to the installation method distance of the device from the main electrical cabinet and the power of the device CAUTION The cable must be routed through the cord anchorage installed before the connecting terminals in the indoor unit Make sure ...

Page 36: ...munication with the external WPLV device 2 Power supply 230 V 12 V 8 Connecting terminals room temperature corrector KT 1 2 3 RESET button Thermal protection of the electrical heater 9 Place of grounding the plated braided communication cable 4 Connecting terminals of external devices 10 Communication with the external WPL device and internal expansion unit TT3003 5 Connecting terminals of the pow...

Page 37: ... V 12 V 8 Connecting terminals room temperature corrector KT 1 2 3 RESET button Thermal protection of the electrical heater 9 Place of grounding the plated braided communication cable 4 Connecting terminals of external devices 10 Communication with the external WPL device and internal expansion unit TT3003 5 Connecting terminals of the power line 11 Connecting terminals neutral conductor 6 WEB mod...

Page 38: ...building BMS In case of an external WPLV device communication with module Gateway PI485 4 5 3 Schematic display of the control system TT3000 CAUTION Connect the internal control unit TT3000 with the external device with a plated cable the plating braiding of which has to be grounded on the envisioned spot functional earthing In the case of WSL141 and HM142 Proper functioning requires a connection ...

Page 39: ...Communication with PLC TX MODUBUS Not in use Ethernet Internet Ethernet connection PLC Process module WM Communication with Web module TEX MODBUS communication with the control system of the building BMS In case of an external WPLV device communication with module Gateway PI485 TS Communication with the room temperature corrector TE2 Communication with the basic I O module MD1 D Expansion wall uni...

Page 40: ...E1 TE2 MD3 JMP 10V GND BUS B BUS A TE1 TE2 MD1 3 JMP GND A X7 12 V GND B 12 V A X6 C B A 5 TEX TE2 WM PLC TE1 TE2 MD2 3b JMP GND A 12 V X7 B TS TT3003 D PI485 B X5 GND BUS A BUS B 3c A B GND 12V KT 2 KT 1 A B GND 12V A 10V ...

Page 41: ...se of WSL141 WSL 131 1 WSL 131 11 Q12 N 2 x 0 75 mm2 Additional external source Q11 N 3 x 0 75 mm2 Cooling valve X3 Q7 N 3 x 0 75 mm2 Circulation pump of heating cycle 1 optional Q8 N 3 x 0 75 mm2 Circulation pump of heating cycle 2 optional Q10 Q9 N 3 x 0 75 mm2 Mixing valve of heating cycle 2 optional A7 GND 2 x 0 75 mm2 Temperature sensor of mixing heating cycle 2 optional X4 D8 GND 2 x 0 75 mm...

Page 42: ...N Q7 Q8 Q10 Q9 A 7 X3 N L1 N N N N N N X5 GND B A X6 12 V BUS B BUS A GND B A X7 GND 12 V T T3003 5 TW TX Ethernet 10V TW TX Ethernet 5 GND A 7 N Q10 Q9 N Q8 N Q7 X3 X2 GND A 2 A 5 GND N Q12 N Q11 GND GND GND GND D 5 D 6 D 7 D 8 X4 L3 L2 L1 N X1 X5 GND B A X6 12 V BUS B BUS A GND B A X7 GND 12 V TT3003 10V ...

Page 43: ...the cable 3 Pull the cable back for approximately 5 mm to make a positive seal In the case of WSL141 CAUTION Make sure that all the cables are fed through the cable glands at the bottom of the unit In that way you will ensure the tightness of the device In the case of WSL142 CAUTION Make sure that all the cables are fed through the cable glands at the top of the unit In that way you will ensure th...

Page 44: ...onnecting terminal it always has to have an end sleeve at the end 1 End sleeve 2 Multi wire flexible cable 3 Massive single wire cable To connect to connecting terminals of the device use cables with crimped end sleeves or a massive single wire cable The dimensions of the power cables are listed in the chapter under technical information Error Reference source not found The device comes with an el...

Page 45: ... communication cable see technical data Error Reference source not found CAUTION It is important to correctly connect the connecting terminals X5 and X7 In the case of WSL141 and WSL142 The communication cable connects the external device to the terminal terminal X5 on the internal device It is necessary to connect the terminals BUS A BUS B GND and 10 V X5 BUS B BUS A GND 10 V DANGER The communica...

Page 46: ...twork router and activate it To register the device in the Home Cloud see the instructions Instructions for connecting the device to the cloud NOTE Use the RJ 45 gold plated connector and crimp it with a certified tool on the 5e UTP cable The connection between the connector and the router must be made according to T 568 A standard Place of Ethernet terminal In case of WSL141 1 Ethernet terminal 1...

Page 47: ...30V 230V SK Q1 Q2 Q3 230V 230V 230V A3 5V 5V GND A4 A5 5V 5V GND A6 A7 5V 5V GND A8 MD1 MBIO12 PWM JMP X1 GND X4 D8 GND D7 GND D6 GND D5 A X6 B 12V GND KT A2 GND PLC 8 1 8 7 6 5 4 3 2 1 1 8 Ethernet Internet X5 BUS A BUS B GND A3 A4 N L1 A X7 B 12V GND WEB MODULE OPTIONAL 8 7 6 5 4 3 2 1 A2 10 20 30 C 0 1 10 20 30 C 0 1 TW MODBUS TX MODBUS Ethernet KON2 A B GND 10V NOT FOR HM 131 K1 HK 3F HM 132 K...

Page 48: ...8 GND X4 Thermostat of mixing cycle 2 optional D7 GND X4 Thermostat of mixing cycle 1 optional D6 GND X4 Remote on off optional D5 GND X6 Communication room temperature corrector optional A B 12 V GND 5 Web module A Communication with PLC B Not in use C Internet connection 3 MD1 Basic input output module MD1 PS D4 Flow switch M 4 1 Q4 Switching valve for sanitary water M3 Q3 Main circulation pump ...

Page 49: ...en heating and DHW 3 Basic input output module MD1 4 D4 Flow switch 5 Web module OPTIONAL TW Modbus Communication with PLC TX Modbus Not in use Ethernet Internet connection 6 A6 Temperature sensor of the supply pipe 7 Q3 Main circulation pump 8 A1 Temperature sensor of the return line 9 Process module PLC WM Communication with the Web module TEX MODBUS communication with the ODU TS Communication w...

Page 50: ... ELEMENTS CONNECTING TERMINALS MARK CHARACTERISTICS KT 1 2 Room temperature corrector KT 1 2 optional A B Communication 12 V GND Power supply Grounding of the plated cable Functional earthing PLC Process module RQ1 ALARM dry contact RQ2 RESET dry contact WM Communication with web module TEX MODBUS communication with the control system of the building BMS or outdoor unit PI485 Gateway TS Communicat...

Page 51: ...turn into the device is advised to be performed at least once yearly CAUTION A blocked water purifying component and magnetic filter can lead to a malfunction of the device or incorrect functioning of the device In case the display displays a warning of flow malfunction Caution flow 6 2 Monitoring the pressure in the heating system NOTE Periodically once yearly check the water temperature in the h...

Page 52: ...er is an additional safeguard protecting the device in the following cases The electrical contactor which turns on the electrical flow heater can be permanently short circuited At commission air is in the system this causes heating without heat extraction The easiest way to determine whether the thermal protection of the electrical heater is turned off is to turn on the operation of the auxiliary ...

Page 53: ...ety thermostat by pressing the red button until you hear a CLICK NOTE Resetting the device can only be performed by installers authorised contractors for commission or authorised maintenance worker in a voltage free state Thermal protection ...

Page 54: ...he device 7 1 1 WSL141 WSL 141 1 Refrigerant line for gas 2 Refrigerant line for liquids 3 Cold sanitary water 4 Hot sanitary water 5 Return line system 6 Supply pipe system 7 Safety valve 8 Manometer 9 Duct for electrical connection 10 Vent ...

Page 55: ...INTEGRATED BOILER 1 Refrigerant freon line for liquids 2 Refrigerant freon line for gas 3 Cold sanitary water 4 Circulation of sanitary water 5 Hot sanitary water 6 Supply pipe system 7 Mg anode 8 Return line system 9 Cable glands ...

Page 56: ...he external air water unit Secondary side heat sink water Min Max pressure in the system Mpa 0 1 0 3 1 0 3 0 bar Recommended dimensions of pipes of the device7 DN 25 Heating Rated voltage6 m3 h 1 0 1 4 Pressure drop at rated voltage kPa 14 12 Range of operation min max water temperature C 25 58 Cooling Range of operation min max water temperature C 7 25 Pipe connections for the water connection Su...

Page 57: ...e for liquids 3 8 Pipe connection pipe for gas 5 8 Primary side heat source air Heating and cooling Range of operation min max air temperature C Depending on the external air water unit Secondary side heat sink water Min Max pressure in the system MPa 0 1 0 3 1 0 3 0 bar Recommended dimensions of pipes of the device7 DN 25 Heating Rated voltage6 m3 h 1 0 1 4 Pressure drop at rated voltage kPa 14 1...

Page 58: ...ump must be dimensioned in such a way that it ensures rated flow through the heat pump 7 This applies to pipe connections of suitable dimensions and total distance of up to 20 m Pipe dimensions and types of pumps must always be verified or determined by the designing engineer of electrical installations Circulation pumps must be dimensioned to ensure rated voltage see table through the heat pump 8...

Page 59: ...adiation Sound power depends on the environment in which the source is located The reference sound power is 10 12 W Example The sound power of human breathing is 10 11 W or 10 dB The sound power of whispering is 10 10 W or 20 dB The sound pressure level p The sound pressure level is the changing pressure of sound waves which a sound produces Sound pressure is detected or heard as volume It depends...

Page 60: ... pressure level at a distance of 10 m dB A 29 The source of sound of the device Power level of sound dB Noise A pocket watch in the bedroom 20 Very quiet Air conditioning in an office 40 quiet Heating heat pump 57 Loud Normal speech 60 Loud Gas burner 75 Very loud Traffic loud radio 80 Very loud Plane motor 140 Painful r 1 m r 10 m r 5 m Product supplied by Waterford Stanley Ltd Tel 00353 51 30230...

Reviews: