User's manual
Contents
1. gt 50cm Minimum distan from the front ns gt gt 50cm Minimum distance from the back 4 The unit should be free from corrosive and mosture surrounding Otherwise the lifetime of the unit might be shortened 5 Install the indoor unit close to the outdoor unit as much as possible so to reduce the energy loss 6 Unit should be away from explosive and flammable gas and liquid 7 Ensure that the electrical supply corresponds to the specification indicted on the unit s name plate The unit must be earthed to avoid any risks caused by insulation defects 8 when installing the unit introduce a tilt of 1cm m for rain water evacuation 9 when installing the unit in harsh climatic conditions sub zero temperatures snow humidity itis recommended to raise the unit off the ground by about 20cm 10 Rubber vibration absorbing mountings are recommended 11 When sitting the unit take care to leave sufficient free space all around it for Rubber carrying out maintenance vibration sit on bracket 2 3 Insta lation INSTALLATION AND INSTRUCTION Cable connection of outdoor unit Installation of cable between indoor amp outdoor unit at outdoor side pues ajqea 1 Take off the maintenance 2 Insert the cable between indoor amp panel on the right sid2. 1 Condensing coil temperature below 3 C and lasts for 3 minutes 2 Compressor has been running for not less than 5 minutes 3 Total running time of compressor is longer than interval between two defrosting operations b When one of below condition is met the system quits from defrosting operation 1 Defrosting operation lasts more then 8 minutes _A__o 1 1 8 Main functions INSTALLATION AND INSTRUCTION 2 Defrosting operation lasts for more than 10 seconds and condensing coil temperature is higher than 17 C Evaporator overheating protection When evaporator temperature 52 C system enter into evaporator overheating protection and compressor lowers down its running speed towards F1 until this temperature drops lower than 49 C Then compressor takes the speed 1 level lower than its previous speed before overheating protection as its maximum running speed When this Temp drops down to 47 C and lasts for 5 minutes the limit on compressor running speed will be released If evaporator temperature rises above 55 C and lasts for 5 seconds then compressor stops And it will resume its normal operation until this temperature drops down below 47 C Protection against Compressor s improper operation During compressor s start up orrunning if the controller detects no feedback from compressor or abnormal loads inside compressor or improper start up compressor will stops for 3 minutes and then re start Compressor
3. 7 Install the copper nuts back Leakage detecting Put some suds on all connectors of indoor and outdoor unit for leakage detecting after installation 2 3 Installation INSTALLATIONAND INSTRUCTION Water pipe connection The designing installation commissioning and maintenance of water system should be performed by professional installer having good knowledge of standards and local regulations as well as experience of this type of equipment Filter installation A mesh filter must be installed in front of the water inlet of the unit and water tank for keeping the water quality and collecting impurity contained in the water Take care to keep the water filter mesh towards the bottom Check valve is recommended to be installed at both sides of the filter so as to clean or change the filter in a easier way water inlet Connectto water tank Filter Indoor unit Note All the hot water pipe and water connections should be insulated to reduce the energy loss Please ensure the flow rate of the water system should be no lower than the minimum allowable flow rate required by the unit Add one pump to the water system if flow rate is too small 2 4 Al r p u rg IN g fi g ure INSTALLATION AND INSTRUCTION Air purging figure Water outlet l l Indoor F4 A a a unit EEn Water inlet i F3 fm fm ui ii OO F2 amp A Z Filter F 1 l open open Pa O C
4. Parameter 2 This parameter has no function in this unit Parameter 1 Parameter 1 indicates the local time The time is always presented in the 24 hour system Parameter 3 Parameter 3 indicates the duration time for back light It can be setto 00 10 20 and 30 While 00 means the back light is always ON and 10 20 and 30 means the duration time for back lightis 10 seconds 20 seconds and 30 seconds 3 2 Operation instruction INSTALLATIONAND INSTRUCTION Timer function To set the ON timer press button Y turns on and blinks Press a to set the timer in hours and Vv to set the time in minutes After it is done press to confirm the ON timer setting and enter the OFF timer setting with E blinks Set the OFF timer by pressing Ajand v After this done press to confirm the OFF timer setting with shown on the operation panel indicating that the timer setting is finished If the ON timer or OFF timer setting is not confirmed by pressing the setting value is not saved The timer setting can be cancelled by keeping on pressing with fading from the operation panel ATimer ON ATimer OFF Timer ON setting doesn t function Timer OFF settings only functions when the unit is working It will be after the unit starts Itcan be activated when the unit is turned activated when the unit is OFF turned ON Key lock When the unit is ON press for 5 seconds to lock all the buttons with
5. 92 C and lasts for 10 minutes its maximum running frequency will increase by 1 level If this discharge temperature exceeds 103 C the compressor stops and outdoor fan motor turns off in 15 seconds And the system turns on until gas discharge temperature drops below 90 C and compressor has been off for 3 minutes Delayed Start up of Compressor After compressor stops it can only restart in 3 minutes this protection is functional in cooling mode or when system changes its operation mode between dehumidification and heating However when the unit is powered the first time compressor starts up in 1 minute instead to ensure proper communication between indoor and outdoor unit 2 1 System figure INSTALLATIONAND INSTRUCTION Hot water pipe City water pipe Valve Outdoor unit City water 2 2 Applications INSTALLATIONAND INSTRUCTION Applications Application 1 This installation is for supplying sanitary hot water only Sanitary hot water OO m City water inlet Drainage o 2 Sanitary hot water Application 2 This installation is for supplying floor heating hot water only Pump 1 Floor Heating City water inlet Drainage Floor Heating o OB 2 2 Applications INSTALLATION AND INSTRUCTION Application 3 It provides both floor heating hot water and pre heated sanitary water Pre heated City Water een Pumpl l i l Floor Heating
6. can re start at most three times when fed with power if this problem still exists the controller will judge it as compressor driving failure and relevant protection will be triggered Then compressor can only be turned on after problem solved and system re fed with power Protection against Improper Current When system running current is bigger than acertain value controller will impose relevant limits on compressor s running frequency then its running speed will stop rising When this current 0 5A smaller than this certain value system s running speed drops by 1Hz second towards 30Hz until running current is smaller than 16A When this current is 1A bigger than this certain value controller will stop the compressor no matter at what speed it runs 12 1 8 Main functions INSTALLATIONAND INSTRUCTION Compressor gas discharge temperature protection When compressor gas discharge temperature exceeds 92 C the controller will keep its running frequency from rising When this temperature exceeds 97 C the controller will record the compressor s running speed and lower it down towards 30Hz If compressor gas discharge temperature drops below 87 C then this process stops and controller adjusts compressor srunning speed according to difference between room temperature and preset temperature However its maximum running frequency will be 1 level lower than recorded value When compressor gas discharge temp is below
7. coil with clean water 6 An old hairbrush works well for brushing surface dirt and lint off the fins Brush in the same direction as the slots between the fins so the bristles go between the fins 7 After cleaning use a soft and dry cloth to clean the unit Gas Charging even under severe operating conditions If your unit needs recharging thenithasa leak and adding refrigerant will not solve the problem The leak must be located and repaired 1 Gas charging must be performed by qualified person 2 One can find out whether the system has enough refrigerant inside by checking the low pressure inside the system Cleaning of the filter The Y filter must be cleaned occasionally to ensure the water flow of the water system ES _ _ __ 4 3 Trouble shootin g INSTALLATION AND INSTRUCTION Trouble shooting 1 Power supply cut off 1 Check the power supply 2 Check whether the unit is well grounded 2 Power fuse burnt out If yes check the fuse and change it if necessary Heat pump unit is out 3 If the protection is caused by the failure of operation 3 Unit protection please refers to the failure code list and fix the failure before restarting the unit 4 Loose connection of 5 Compressor failure 5 Replace the compressor 1 Fan motor wire loose 1 Check the wire connections eo 2 F tor burnt 2 Ch the f t of operation Fan motor burn Change the fan motor 3 Fan motor relay fails 3 Change the fan moto
8. shows Press for 5 seconds again to unlock all the buttons 3 3 Setting the PUMP speed nsruuonanomsravcrios Setting the pump speed The pump speed can be selected on the pump The default setting is highest speed II If the water flow in the system is too high e g noise of runing water in the installation the speed can be lowered IL The available external static pressure ESP expressed in mH O in function of the water flow l min is shown in the graph below water pump performance curve 0 01 02 03 04 OS 06 07 08 09 1 l s 4 n 1 F al ure cod es INSTALLATIONAND INSTRUCTION Failure codes Error 1 Wire connection between wired controller and PCB open or short circuited 1 Wire connection between wired controllerand PCB open or short circuited 2 Wired controller failure 2 Change it 1 temp sensor open or 1 Measure with a multimeter at 20K to check whether short circuited itis shirt circuited or open If yes change it 1 Check whether the wire connection gets loose Fasten it EO 1 Check whether the wire connection gets loose Fasten it 2 Measure with a multimeter at 50K to check the ces sensor resistance Take ambient temp into drifting consideration If it isdrifting change it 3 Temperature sensors not well 3 Check whether the sensor connection connected to the wired controller gets loose Fasten it 1 Check whether the sensor connection gets loose Fasten it 1 w
9. the power supply to the heater corresponds to the specifications Otherwise the unit might be damaged 2 The power supply to the heat pump unit must be grounded 3 Cable should be fixed tightly to ensure it won t get lossen 2 3 Installation INSTALLATIONAND INSTRUCTION Installation of cable between indoor amp outdoor unit atindoor side 7 1 Take off the front panel 3 Connect the cable to the terminal block Blue cable must be connected to terminal N while other cables can be connected to port R S and T arbitrarily After connect the power cable to the terminal block correctly please install the power cable clip back to lockup the power cable 2 Make a four core cable ready 4 1 5mm2 and insert this cable into indoor unitthrough the cable gland on top of the unit 4 Fix the cable with cable fixture and install the front panel back 2 3 Insta lation INSTALLATION AND INSTRUCTION Location of outdoor unit 1 The installation dismantlement and maintenance of the heat pump must be performed by qualified personnel 2 Indoor unit can be placed at any free space in the house like the room garage or basement 3 The unit must be installed outdoors in an area with sufficient clearance to provide free air circulation through the coil Please refer to the following figure to choose the right place for the unit Minimum space left
10. 8
11. AS LATINO NALVM YOSNAS LAINE ALVA HOLINS MOT WaLVA 5 Apra Fst Ne RELAY E TO ADDITIONAL ELECTRIC HEATER Outdoor unit y NOTE BROKEN LINE PARTS USE FOR SOME MODELS R120800546 Compressor Fan motor Fan motor eater Condenser 4 Way heater valve Radiator temp sensor CN604 SENSOR MODULE BOARD CAPACITOR BOARD C1 C2 C3 C4 C5 U Q Q anaso HEATI CN428 CN429CN427 HEAT2 CN405 FAN CN422 CN414 CN404 CN426 mm POWER PCB eG Y 220 y f REACTOR CN408 OUT CN402 CN401 CN423 LEV N O CN411 s Electric box TO POWER SUPPLY 3PH 380V AC TAKE CARE ra T ZA T ZA Electric box Josuas dia JUalqUiy gy Josues dwa adid dl y9 iMsS 8 NSSIJA MOI U IH Josuas dwa seb aBeyosip gi TO ID UNIT This diagram is correct at the time of publication Manufacturing changes could lead to modifications Always refer to the diagram supplied with the product 2011 01 2
12. O l Sisss sies g l City water inlet O Drainage oo Floor Heating and Pre heated Sanitary Water Application 4 It provides hot water for central house heating and hot water system Solar collector Sanitary Water Hi Temp City water inlet Drainage Heat Pump and Solar System for Heating amp Sanitary Water 2 3 Installation INSTALLATION AND INSTRUCTION Location of indoor unit 1 Indoor unit can be placed at any free space in the house like the room garage or basement 2 Indoor unit can be hang on the wall or placed on a flat and solid ground 3 Free space should be left on the device for future maintenance 4 Install the indoor unit close to the outdoor unit as much as possible so to reduce the energy loss 5 The unit should be free from corrosive and moisture surrounding Otherwise the lifetime of the unit might be shortened 6 Unit should be away from explosive and flammable gas and liquid 7 Indoor unit should be away from direct sunshine Otherwise the lefetime of LCD display maybe shortened 8 Ensure that the electrical supply corresponds to the specification indicted on the units name plate The unit must be earthed to avoid any risks caused by insulation defects Moving of the unit Moving the unit by lifting two handles Handle Connection of power cable Warning 1 lt is recommended to use a suitable breaker for the heat pump and make sure
13. ater inlet Temp sensor failure 2 Wire connection between wired controller and indoor PCB open or short circuited 3 water inlet Temp sensor resistance drifting 2 temp sensor resistance 1 Check whether the sensor connection gets loose Fasten it 2 water outlet Temp sensor 2 Wire connection between wired controller and PCB open or short circuited 3 water outlet Temp sensor resistance drifting failure 1 Check whether the sensor connection gets loose Fasten it 2 Wire connection between wired controller and indoor PCB open or short circuited 3 Temp sensor resistance drifting temp sensor resistance drifting 3 Coil Temp sensor failure 1 Check whether port gets loose Fasten it Communication failure 2 Change the PCB 3 Change the outdoor PCB 1 Check whether PFC transducer gets loose Fasten it 2 Change PFC transducer Compressor drive failure IPM failure IPM protection overload drive protection F3 Current or Voltage detector failure 1 Change PCB Check whether EEPROM gets loose EEPROM failure ae it 2 Change EEPROM 4 n 1 F al ure cod es INSTALLATIONAND INSTRUCTION 1 Check the water flow of the unit Too highr coil Temp in heating 2 Too high ambient and water Temp Reduce the set water Temp 1 Check the water flow of the unit Too high pipe Temp in cooling 2 Too low ambient and water Temp Increase the set water F6 Temp 1 Check the water flow of the unit Over current prote
14. ction 2 Too high low ambient and too high low set water Temp Decrease or increase the set water Temp 1 Check the voltage of the power supply Too high or too low voltage 2 Change the outdoor PCB l 1 Check the pressure of the system F8 Pressure switch failure 2 Change the pressure switch 1 Check whether EEPROM gets loose F9 EEPROM failure Fasten it 2 Change outdoor EEPROM Ambient temp sensor failure 1 Check whether the sensor connection gets loose Fasten it Fb Pipe temp sensor failure 2 Wire connection between wired controller and PCB open or short circuited Compressor discharge temp 3 Temp sensor resistance drifting sensor failure 1 Measure the high low pressure switch with a Fc System protection caused by too multimeterto check whether it is shirt circuited or open high low pressure If yes change it 2 Check the water flow of the unit 1 Check the ambient Temp sensor System protection caused by the 2 Check whether the ambient Temp is too high low for ambient Temp working Ambient lower than 1 Cor higher than 65 C in cooling lower than 25 C or higher than 33 C in heating Maintenance 1 It is forbidden to change the inner structure and wiring of the unit Otherwise injury of person or unit damage might happen 2 If the unit fails to work properly please cut the power supply immediately The maintenance work must be performed by qualified people 3 Failure check list in this manual i
15. e of the unit outdoor unit into the outdoor unit through the cable gland Connect this cable to the 4 position terminal block Note Please ensure the connection of this cable in the indoor unit corresponding to the connection in the outdoor unit 3 Fix the cable with cable fixture 4 Make a 5 core power cable ready 5 1 5mm and insert this cable into outdoor unit by through the cable gland on the outdoor unit E _ ___ ___ __ 2 3 Installation INSTALLATION AND INSTRUCTION 5 Connect this power cable to the 5 6 Fxi the power cable with cable fixture way terminal block in the outdoor and install back the maintenance panel unit Please note blue wire must be connected to port N and yellow green cable must be connected to port Q 2 3 Insta lation INSTALLATION AND INSTRUCTION Connection of refrigerant pipe Refrigerant pipe transfers not only the refrigerant but also the energy between indoor and outdoor unit If the refrigerant system is not fully vacummed or gas amount is not correct the unit performance may be influenced Note the followings when choosing a refrigerant pipe 1 Ensure good quality copper pipe is used This copper pipe must be thick enough to bear the pressure of R410A refrigerant 2 Refrigerant pipe must be well insulated 3 Connector of refrigerant pipe must be checked to ensure no leakage happens 4 When pipe bending is needed bend the pipe in a gentle way 5 Dry
16. e setting range is 7C 25C if you use water temperature as the index In heating operation Temperature setting range is 16 C 31 C if you use room temperature as the index Temperature setting range is 26 C 52 C if you use water temperature as the index Memory function The unit will recover its latest working settings automatically after power failure Thecompressor restart interval time is 3 minute to protect the compressor Compressor crankcase heater When the unit is powered on the first time and the compressor is not working if outdoor ambient temp is lower than 5 C compressor starts to preheat by itself Aftercompressorworks 3 hours after it stops if outdoor ambient temp is lower than 3 C compressor starts to preheat by itself When compressor is in preheating if outdoor ambient temp is over 0C or unit needs to start the compressor compressor preheating stops Output for external electric heater When system runs in heating mode heat pump ambient temperature is below 10 C and compressor has been running for 25 minutes the controller will check the system temperature in every 15 minutes The auxiliary electrical heater turns on when below conditions are met A Compressor has been running at its highest speed B Set temperature is 3 Chigher than water temperature C Water temperature rises less than 1 C in over 15 minutes 10 1 8 Main functions INSTALLATION AND INSTRUCTION When water t
17. emperature reaches the preset value and keeps stable for 1 minute or compressor stops running this auxiliary electrical heater turns off when system begins to do the checking as above Limit on Water outlet temperature when air temperature works as the set temperature When WOT water outlet temperature 234 C the controller will set a limit on Compressor s running speed with its current running speed as maximum When WOT 236 C compressor s running speed will be lowered down towards its lowest speed until water outlet temperature drops below 34 C Then the controller stops lowering compressor s running speed and begin to raise it back but its maximum speed will be one level lower than its previous speed before this lowering process When WOTS32 C and compressor keeps on running 60 minutes without any frequency drop or system shutdown for protection then the limit on compressor s running speed will be released When WOT238 C or compressor s running speed is lowered to its lowest speed but water outlet temperature is still higher than 34 C after 2 minutes then compressor stops After water outlet temperature drops below 32 C compressor restarts Defrosting function in heating mode When the unit works in heating it will start defrosting automatically according to the coil temperature and defrosting interval time a Defrosting operation starts when below conditions are met when defrosting light flickers
18. inVest Air to water model Direct current Frequencjy Conversion Heater User s manual Before operating this product please LVEI 18 read the instructions carefully and save 380V 50Hz 3PH this manual for future use Content Mi o Aberdeen 1 10 Features and advantages eee 3 1 3 Main components L a 1 4 Outlines and dimensionS rvarenevnn seerde 9 1 5 Working principle rrrrmrrnccnnnnnnnnnnnnnnn nn 6 1 6 Specifications cue 7 lode A 5 1 8 Main functions 10 2 Sten GUL Serven ee ee eee ee 14 29 installation precautions es 15 2 3 Applications nn 17 2 4 Air purging DDO ro 26 2 5 Pre Start up 27 3 Useage 3 1 Introduction of operation panel tertsen de 28 3 2 Operation instruction ETETE LETEN ee eee Se ee ee ce ET EEE EEEE 29 3 3 Setting the pump speed wek Rie A AA Se a a Re ee 32 4 Maintenance 4 1 Failure CODOS serveren IA AAA A 33 4 2 Maintenance eenen eenen eneen enen 35 A3 Trouble shooting Torre Te ea ee eee eT ee Tee ee ene 37 9 Wiring diagram 5 1 Wiring diagram rere ee ee ee ee ee ee da ada a oe ee ee eee 39 1 1 Safety precautions INSTALLATION AND INSTRUCTION Thank you for choosing our quality product Please read this instruction sheet carefully before use and follow the sheet to operate the unit in order to prevent damages on the device or injuries to staff Specifications are subject to change without notice for further improvement Please refer to the name plate on the uni
19. its clock time when power failure happens The customer needs to set the time again ON OFF When the unit is standby press to turn on the unit The unit will work in its last working mode Press again to turn off the unit X The unit will recover its latest working settings automatically after power failure Mode selection Keep on pressing button to choose water temperature or air temperature as the set temperature When water temperature works as the set temperature is ON When air temperature works as the set temperature is OFF Mode selection Press to choose the unit operation mode It comes in the sequence ES Heating Cooling gt fa Hot water 3 a 2 O pe ratio ni nstru ctio n INSTALLATION AND INSTRUCTION Temperature setting When the unitis ON press 4 once the set temperature increases by 1C press wl once the set temperature decreases by 1C Keep on pressing a or v the temperature can be increased or decreased by 5 When changing the set temperature is ON QO Parameter setting When power is fed and unit is off press A or wv to choose target Parameter Press to activate parameter setting process when parameter flickers User can set its value with button A or lv Press again to confirm the setting work otherwise the setting Value will not be saved and the system will exit this parameter Setting program automatically in 10 seconds or by pressing
20. ity water Outdoor unit Air purging The whole water system of this unit should be a closed water system Because of this please purge the air inside as following after all the water pipe connection work finished 1 Open the water tap at the lowest level so the air inside the sanitary water system can be purged out by the pressure of water 2 Open the filling valve to fill the whole water tank and the water system with water this process may take around 20 minutes 3 Close all the valves when there is water coming out from the end of the water system 4 Air purging finished Note f the water supply is cut off the unit will show protection code on its screen The customer should cut the power off till the water coming again It is necessary to purge the air again when restart the unit after the water was cut off 2 5 P re S ta rt u p INSTALLATION AND INSTRUCTION Pre Start up Before starting up the unit a certain number of verifications must be performed on the installation to ensure that the unit will operate under the best possible conditions The check list below is not exhaustive and should only be used as a minimum reference basis 1 Make sure fan rotates freely 2 Inspect all water piping for flow direction 3 Verify all system piping is correct for operation as per installation requirements 4 Check voltage of the unit power supply and make certain voltage is within authorized limitations 5 Make sure the unit is pr
21. nhanced aluminum fins on the coil heat exchanger extends the fin life against corrosion and allows easier rainwater wash down as well as faster defrosts M Copper tubing in all heat exchangers are made by using the latest developments in the technology of inner grooved tubing by extending the area of heat exchange in a more compact coil therefore increasing the operational efficiency 1 as Mal n components INSTALLATION AND INSTRUCTION Indoor unit Refrigerant Connector Water Inlet Water Outlet Front Panel EN Handle Outdoor unit Maintenance panel Air outlet Refrigerant Connector atin me ES 1 4 Outlines and dimensions INSTALLATION AND INSTRUCTION Indoor unit Outdoor unit 1053 Refrigerant connector dimension d9 52 3 8 019 07 3 4 1 z 5 Wo rki n g p rinci p e INSTALLATIONAND INSTRUCTION Working principle Power input Compressor Four way valve Three way valve Water Filter Expansion valve Refrigerant Filter gear Indoor unit Outdoor unit Hot water outlet Water tank Cold water inlet 1 6Specifications INSTALLATION AND INSTRUCTION Type LEER Refrigerant A R410A 3 185 W W ino input power om a nitty Power JBE 2 2 e Inputpower w 1850 5700 Input current 2 8 8 66 600 L x300 D x900 H moo 700 L x380 D x990 H imensi 1000 L x460 D x1200 H outdo
22. operly grounded 6 Check the presence of protective and breaking devices 7 Check all electric connections for tightness 8 Check all piping for leaks and air is well ventilated Unit Start up After ensuring all electric connections conform to the local regulations follow the Operation Instructions to start up the unit After start up the unit if there is a abnormal sound please shut off the power supply immediately to ensure the safety of the unit 3 1 Introduction of operation panel Introduction of operation panel Water Temp Set Temp Outside Temp ON OFF OM A VY ELO Timer Confirm Key Lock Down regulation Display NU O Heating ZS When the unit works in cooling mode amp is ON When the unit works in hot water mode Defrosting When the unit works in defrosting amp is ON B a Key lock When buttons are locked is ON Parameter When parameter setting is activated is ON value or code To display temperature timer parameter error code and so on e The unit will clear its clocktime when power failure happens Water When water temperature mode is activated temperature EEEN is ON 3 a 2 O pe ratio n nstru ctio n INSTALLATION AND INSTRUCTION Set temperature When changing the set temperature ENE is ON When timer function is activated 9 Timer function ae mis ON Standby The unit is standby when it is fed with power X The unit will clear
23. or Packing dimension z 3 9 5 2 O 5 1 14 iqui 8 Working range in cooling C 55 C Temp Working range in heating 25 C 33 C Water outlet temp TONI Weight indoor e B Noise Flow rate Max Nor Min L s 0 4 0 23 0 13 mm 5K 250 ae Indoor coil temp sensor 5K 25 C Outdoor coil temp sensor 5K 25C SOK 25C Rated condition of test Cooling water inlet outlet 12 C 7 C ambient temperature DB WB 35 C 24 C Heating water inlet outlet 40 C 45 C ambient temperature DB WB7 C 6 C Outdoor temp sensor 5K 25C The specifications air subject to change without prior notice For actual specifications of the unit please refer to the specification stickers on the unit 1 A 1 E X p O d e d view INSTALLATION AND INSTRUCTION Indoor unit 1 Name NO Name O 1 z U E X p O d e d view INSTALLATION AND INSTRUCTION Outdoor unit tel 3 Soot EDS ne SEE Pressure gauge High Low pressure e Fam motor io Controller e tiquidreceiver afsun e Compresor 22 Compressor crankheater 1 8 Main functions INSTALLATION AND INSTRUCTION Basic Operation Functions The two basic operation functions are cooling and heating operations either of which can be controlled by either room temperature or water temperature In cooling operation Temperature setting range is 16 C 31 C if you use room temperature as the index Temperatur
24. r relay 1 Coil fins are dirty 1 Clean the evaporator coil 2 Remove any object that blocks the air circulation of the unit 3 Inspect the unit for leakage and fix it if any 3 Lacking of refrigerant Discharge all refrigerant and charge the unit again with right amount Too high noise I 1 Check the water filling device Fill the from the water 1 Lacking of enough water system with enough water Low heating 2 Air inlet outlet blocked capacity pump or no 2 Air inside the water system 2 Purging the air out water flow 3 Check all the valves to ensure they are is running 4 Filter is blocked 4 Clean the filter h refri 1 Discharge all refrigerant and charge the ISO muchtemgerant unit again with right amount ae 2 Discharge all refrigerant and charge the Too high 2 Air inside the refrigerant system anitagaim with nohi amount compressor discharge 3 Check the water flow of the system Use pressure 3 Too small water flow a bigger pump if necessary 4 Check the value of the water temperature sensor to ensure it works properly 1 Drier filter blocked 1 Change the drier filter Too low 2 Expansion valve failure 2 Check and replace the expansion valve suction 3 Inspect the unit for leakage and fix it if any pressure 3 Lacking of enough refrigerant Discharge all refrigerant and charge the unit again with right amount 4 Too high water temperature 4 3 Trouble shootin g INSTALLATION AND INSTRUCTION E 1 Coil temperat
25. s helpful to find out and fix the failure of the unit 4 After long time running the evaporator coil may get dirty which will affect the performance of the unit lt is suggested to clean the surface of the coil occasionally gB A 2 M ain te nance INSTALLATION AND INSTRUCTION Maintenance of the electric components For maintenance of electric components in indoor unit Figure 1 Figure 2 Figure 3 1 Cut off the power supply 2 Take off the front panel 3 Formaintenance of main processor PCB please open the electric box cover For maintenance of electric components in outdoor unit i i 1 Cut off the power supply 2 Take off the maintenance panel 3 Take off the electric cover 4 Do the checking of electric components 4 2 Maintenance INSTALLATIONAND INSTRUCTION Condenser Coil The condenser coils donot require any special maintenance except when they are clogged by paper or any other foreign bodies Cleaning is by washing with detergent and water at low pressure and then rinsing with clean water 1 Before cleaning make sure the unit is off 2 Inner of the unit must be cleaned by qualified person 3 Donot use gasoline benzene detergent etc to clean the unit And donot spray with insecticide The unit may be damaged The cleanser special made for air conditioner cleaning is recommened 4 Spray air conditioner cleanser into the coils Let the cleanser sit for 5 8 minutes 5 Then spray the
26. t for updated specifications Safety precautions Symbols used Suggestion The installation dismantlement and maintenance of the unit must be performed by qualified personnel It is forbidden to do any changes to the structure of the unit Otherwise injury of person or unit damage might happen Grounded The power supply to the heat pump unit must be grounded The water inside the heat exchanger should contains no chloridion inside and PH value among 6 8 1 1 Safety precautions INSTALLATION AND INSTRUCTION Make sure the power supply to the heat pump unit is off before any operations are done on the unit Do not insert any foreign objects into the air outlet grill when the fan motor is running Otherwise injury of person or unit damage might happen Make sure no water or other liquid drips into the electric box of the unit Otherwise the unit might be damaged Do not clog the evaporator by paper or any other foreign objects to keep the unit well ventilated It is mandatory to use a suitable circuit breaker for the heat pump and make sure the power supply to the heater corresponds to the specifications Otherwise the unit might be damaged Make sure to use a dedicated power line for the heat pump only Do not add other appliances to the line 1 2 Advantages INSTALLATION AND INSTRUCTION Advantages M This unitis using the latest DC inverter technology It can adjust its working frequency so
27. the pipe before installation to ensure no water remains Indoor Fy Outdoor 6 Itis recommended to have the refrigerant pipt go through the wall by using a wall sleeve Insulation 7 Two refrigerant pipes should be packed with insulation sperately otherwise GREAT heat loss may happen Refrigerant pipe Installation of refrigerant pipe 1 The size of the refrigerant pipe is 3 8 99 52 and 3 4 19 07 Both should be well insulated before installation 22 _ _ 2 3 Installation INSTALLATION AND INSTRUCTION 1 Connect one side of refrigerant 2 Connect the other side of pipe to the indoor unit refrigerant pipe to the connectors on the outdoor unit as shown in the picture 3 Make a vacuum pump and 4 Connect the other soft pipe of pressur gauge set ready Connect pressure gauge set to the unit as one soft pipe of the pressure shown in the picture Open the gauge to the vacuum pump pressure gauge and start the vacuum pump 5 Vacuum the unit by at least 10 minutes Close the pressure gauge and stop the vacuum pump till minus pressure shown on the pressure gauge lt OMpa 2 3 Installation INSTALLATION AND INSTRUCTION Anticlockwise 6 Take off the copper nuts on both Size of Hex Wrench 5mm connectos and open both connectors by using a hex wrench Be ensure that both connectors are fully opened Note Connectors can only be opened after vacuum finished
28. to give out its output according to the loading It can work down to 25C with good COP M The unit is designed with easy installation that no refrigerant charging or copper pipe brazing is required on site It can be widely used in house and villa M This unit is with environment friendly refrigerant R410A which also provides one of the highest energy efficiency ratings in the industry Output of the compressor and therefore the energy input requirements are constantly monitored and adjusted at the most optimum level for the given indoor and outdoor environmental conditions and the user s desired demands from the system M Microprocessor control system contains several enhanced software features to make the operation of the system most advantageous and pleasing under varying environmental conditions M Special vibration absorbers on the compressor allow operation of the system with ultra low noise M Auto restart function keeps all settings in memory and automatically resumes the operation after a power failure M Compressor crankcase heater and bottom plate heater are available as options for extreme cold conditions enabling the unit to work in very low ambient temperatures with much lessened defrost frequencies Both these optional heaters are electronically controlled based on the outdoor ambient temperatures and a sophisticated logic M Programmable timer function provides unattended operation of the system M Acrylic coated e
29. ure sensor failure 1 Check the position and value of the coll Unit can temperature sensor Replace it if necessary not defrost o 2 Remove any object that blocks the air properly 2 Air inlet outlet blocked circulation ofthe unit Clean the evaporator coil occasionally The following phenomenon may not be problems Please contact with a professional maintenance staff NO Malfunction Possible Causes 1 May be caused by compressor restart protection The interval time The unit is of compressor restartis 3 minutes not running 2 Please check whether the circuit breaker the power supply is open The unitis When the unit is running if sound of the running water can be heard from the system of the unit itis the sound of running of the too noisy refrigerant This is not a failure Check whether the air inlet outlet is blocked Check whether the The unit output temperature setting is too high in cooling mode or too low in heating is too small mode Check whether the room is too big Check whether there are too many people inside the house when unit is in cooling operation 9 1 Wiring diagram Indoor unit CN211 TO WIRED CONTROLLER TEVAP TWO T WII W KEY SWITCH CN206 pyyp HEAT CN205 CN201 CN203CN203 CN211CN221 egi edes i CN207 CN208 INSTALLATION AND INSTRUCTION R120800 rac POWER ACN CN20 ACL CN200 S CN21 29 TO OUTDOOR TO ELECTRIC HEATER POWER YOSNAS HdId 1109 YOSN
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