User Manual
Contents
1. Solar T Outdoor unit y Ege TTT Ten Sanitary water of high temperature 3 lade 2 g gt ER El zeen z T A TA aor id i y Radiator N ITNT Ss zeeen menen i Water Pump 3 2 i 5 oe ARE E k 12H 1001 City Water Drainage Multi functional Water Tank sa AE Room temp sensor 1 MD Room temp sensor2 gt Installation 3 Module installation 3 1 3 2 Location for indoorunit and attentions A The indoor unit can be located in an room corridor balcony garage or warehouse B Indoor unit should be placed on flat and solid ground C Enough space should be left around the indoor unit for futher maintenance D The outdoor and indoor unit should be placed close to save the copper tube as well as the energy E The indoor unit shall be placed in dry and well ventilated environment F Indoor unit mustn t be installed in an environment where volatile corrosive or flammable liquid or gas exists Power cable connection A This job should be done by qualified personnel B Ensure the power supply is off before anything is done to the electric circuit C Never use wires with insulation layer broken or cracked D Do not combine several power cables together It s recommended to use a dedicated power cable to provide power supply for safety2. ES Air source heat pump water heating module 18KW Vber Manual Before use Safety precautions Nete BES DELER 1 Features and advantages Main components Outlines and dimensions Working principles Technical data Exploded view AAR WN Installation 1 System figure 2 Installation methods 3 Module installation seum 15 3 1 Location for indoor unit and attentions 15 3 2 Placement of indoor unit 3 3 Power cable connection enn 3 4 Location for outdoor unit and attention 17 3 5 Installation of outdoor units 3 6 Refrigerant pipe connection 3 7 Water pipe connection eee 4 Air Purging 5 Pre start up 5 1 Check before pre start up nnen 5 2 Pre Start up alogue Catalo Use 1 Introduction of operation panel 24 2 Function of operation panel 25 21 S tandby en 2 2 ON OFF 2 3 Mode selection 2 4 Temperature setting nnn 2 5 Parameter setting 2 6 Temperature control mode 26 Service and maintenance j Palace Gode spe OR Ot Qt eee ere eet 29 4 Maintenance eeina 30 4 1 Cleaning of water filter 30 4 2 Cleaning of heat exchanger 30 4 3 Gas charging tenten 30 5 Troubleshooting 32 gt Before use Attention Thank you for choosing our product we shallbe more than glad to service you Foryou to better operate this product and to preventaccidents due tomisoperation please read carefully this user
3. Air purging of hot water piping system After finish the air purging of water system open ball valve 2 until water come out from water outlet 1 and 2 gt Installation 5 Pre start up 5 1 Check before pre start up Before start up please check the follow items A Check if the water pipes are connected well andif there is any leakage B Make sure the water supply valves are open and the water flows smoothly C Check if the power cable is connected well and properly grounded and ifthe cable is Broken ornot D Make sure the indoor and outdoor units have been installed ina flat and solid location E Check if the power supply corresponds with the specs on the label F In coldarea please ensure the supply water flow is smooth without freezing G Check if the refrigerant pipe and water pipe are well insulated A If everything above is OK the unit can start up If any of them fails please improve it 5 2 Pre Startup A When the installation of unitis completed water system pipes are well connected and air purging is done no leakage or other problems the unit can be powered to start up B Turn onthe unit press the on off button on the wire controller to start the unit Please check carefully if there is some abnormal noise or vibration or the display of wired controller is normal or not C After the unit is working properly for 10 minutes without any problem then the pre start up is successfully completed If
4. with high water pressure If the outdoor unit is located in an oily place and is hard to clean please ask for professional service to clean it C After cleaning please leave the unit at a shady and well ventilated environment to dry the surface of the unit U Avoid splashing water to the electric part when cleaning 2 Avoid touching the sharp angles of the fins when cleaning or may scarify your skin it s recommended to wear rubber gloves before cleaning The fins of heat exchanger are soft please don t wipe strongly with hard object or it may damage the fins If the unit is working in a salty environment please clean the heat exchanger more often If the fins have corrosion in surface please change a better environment to install the unit 4 3 Gas charging The refrigerant plays an important role in delivering energy in cooling or heating Insufficient refrigerant affects directly efficiency of cooling and heating Please pay attention to the following before adding refrigerant OD The work should be done by professionals Please make sure the copper pipe has no leakage before gas charging If the copper pipes has leakage please repair or change the pipes firstly Don t add too much refrigerant than required or may cause to a lot of failures such as D high pressure and low cooling efficiency gt Service and maintenance This system uses R410A refrigerant whose pressure is about 1
5. Please connect the power cable as follows 1 Take off the screws in the left and right side of the front panel and then remove the panel Pass the 5m four core power cable in accessories through the cable gland on the right side of the indoor unit gt Installation 2 Connect the power cable to the 3 Fix the power cable by the wire clip terminals on the indoor unit Please and then install the front panel back match the wire colors to the marks on the terminals of both indoor and outdoor units Notice When fixing the power cable with the wire clip please be careful to clamp on the insulation of the outer layer don t clamp on the wires inside or it may cause damage on insulation layer of one core wire gt Installation 3 4 Location for outdoor unit and attentions A The outdoor unit can be located in an room corridor balcony and roof or hanged on the wall B Please don t install outdoor unit close to bedroom or living room because there is some noise when it s running C The outdoor unit shall be placed in dry and well ventilated environment D Outdoor unit mustn t be installed in an environment where volatile corrosive or flammable liquid or gas exists E Please cover a protecting roof over the outdoor unit lest ice or snow blocks the air inlet Shield the unit from direct sunshine rain or snow but never cover the unit which will cause the bad ventilation F Please ensure there is
6. below don t insulate the refrigerant pipes together refer to figure 2 below figure 1 figure 2 gt Installation Please connect the refrigerant pipe as follows Since there are two systems in the unit please prepare two refrigerant pipes for each system Please insulate the refrigerant pipe before connection system 1 system 2 1 Connect one side of refrigerant pipe to 2 Connect the other side of the the indoor unit for both system 1 and 2 refrigerant pipe to the outdoor unit 3 Prepare a vacuum pump and a 4 Connect the other tube of the pressure pressure gauge connect one tube of the gauge to the outdoor unit pressure gauge to the vacuum pump Attention The liquid valve can t be opened until the vacuumizing has been totally finished 5 Open pressure gauge and start the vacuum pump to vacuum the unit for around 10 minutes When the pressure gauge shows negative pressure close the pressure gauge and stop vacuuming Attention since there are two systems please vacuum them separately 20 gt Installation In counter clockwise direction Hexagon Spanner M5 6 Take off the copper nut of the gas and liquid valves open the valves with hexagon spanner as much as possible 7 Check with leakage detector or soap water if there is any leakage if not then put back the copper nuts onto the valves 3 7 Water pipe connection Af
7. drainage system around the location to drain the condensated water under defrosting mode G Please don t install the indoor and outdoor unit in damp locations otherwise it may cause short circuit or corrosion of some components The unit should be free from corrosive and moisture surrounding Otherwise the lifetime of the unit might be shortened H Outdoor unit should be placed on flat and solid ground When installing the outdoor unit please ensure enough space around the outdoor unit for better ventilation and maintenance Please refer to the illustration below Minimum space for installation X gt 50cm Back space gt 40cm gt 65cm gt 50cm Front space gt Installation 3 5 Installation of outdoor unit Please addrubber absorber under the outdoor unit to reduce the vibration eo ky Rubber absorber my Bottom case 7 A 1 Use a screwdriver to remove the screws on the right service panel and front service panel ofthe outdoor unit and then remove both the panels 2 Pass the power cable from the indoor unit through the cable gland on the backside of the outdoor unit and connect it to the terminals of the outdoor unit Attention When connecting the power cable between the outdoor unit and indoor un
8. manual before carring out any installation or operation also please pay special attention to the warning prohibitionand attention instructions We arecontinuously supplementing and upgrading this user manual to better service for you List of accessories The below accessories delivered together with the product are for users convenience Please check in time If there is any shortage or damage please contact local distributor AW48 4 IFC list ofaccessories Name Quantity Remark User Manual 1 piece Instruction of installation and operation Communication 2 pcs Om piece connection wire pes 9m piece indoor unit Connection between wire controller and Symbol description The following symbols are very important please be sure to understand their meaning which concerns your personal safety and the product 1 Safety precautions Before use s appliance isnot intended foruse by persons including Be sure toread this manual before use children with reducedphysical sensory ormental capabilities or lack of experienceand knowledge unlessthey have beengiven supervision or instructionconcerning use ofthe appliance bya person responsible fortheir safety Children should besuper vised to ensure thatthey do notplay withthe appliance The installation dismantlementand maintenance ofthe unit mustbe The power supply to the unitmust be groun
9. 6 times than that of R22 so never use R22 or other refrigerant to replace R410A There must be no air in the refrigerant circulation because the air will cause abnormal high pressure which will damage the gas piping Ifthe refrigerant leaks in indoor environment once it meets electric spark from electric fan boiler or electric furnace it will produce poisonous gas Please ventilate the room when there is gas leakage Copper pipe must be used as gas pipe never use iron pipe aluminium pipe or alloy pipe to replace Please refer the specification of the copper pipe in the table Outer dimension mm Thickness mm 9 52 12 7 0 70 De Service and maintenance 5 Troubleshooting Failure Unit can t startup Fan failsto run Cause 1 No power supply Solution 1 Check thepower supply 2 Fuse isbroken or circuit breaker is disconnected 2 Check ifit s open circuitor if the motor coil is earthed Then change a fuseand reset the breaker check if thecircuit is stable or the connectionis well 3 Some kind of protection works 4 Wiring is loose 5 compressor fails 1 Fan motor wire loose 2 fan motor failure 3 Check which protection is working and clear the protection then restartthe unit 4 Check the wire connection and tighten the screws on the terminal 5 Change a compressor 1 Check the wire connections 2 Change fan motor 1 The coil fins are very dirty 1 Clean the e
10. L CN204 A TO WIRED S CN212 O CONTROLLER TO OUTDOOR HEAT WI TWO WKEY SWITCH TEVAP __CN205 VALVE T Ta CN208 I CN218 CN202 CN203 CN211 CN221 CN201 CN215 YOSNAS AdId 1109 YOSNGS ITINI TALVA UOSNAIS LHTLNO UALVA POWER SUPPLY PCB N2 ACN CN209O E ACL CN204 TO WIRED s cN212 O CONTROLLER TO OUTDOOR HEAT W TWO WKEY SWITCH TEVAP CM5 VALVE CN202 CN203 CN211 CN221 0N201 CN215 T aur CN208 i CN218 10 U YOSNAS AdId 7109 YOSNAS LIINI TULVA YOSNAS LTTLNO YALVA 0 3 TAKE CARE This diagram is subject to change with improvement of the unit Always refer to the diagram supplied with the product gt Wiring diagram WIRING DIAGRAM R120800441 COMPRESSO CONDENSER 4 WwAy HEATER FAN MOTOR HEATER VALVE HE pn 5 COMP CJ EN CN414 i P6 2 CN429 REE En CN428 pi dl an tg CN427 In Nr amel p17 fl Pn TO INDOOR UNIT BLACK BLUE RED ome pis oo D mn ms oo nooo ELS ens QUTDOOR PCB ac
11. Repair or change wire controller El Malfunction of wire controller four core signal Check if thecable connection of wire controller cable isn t connected well gets loose Fastenit gt Service and maintenance 3 Service Electronic box Please repair the indoor unit as follows this operation must be done by qualified personnel 1 Cut off the power supply 2 Remove the front panel 3 Take off the electronic box cover 4 Check the electric part Please repair the outdoor unit as follows this operation must be done by qualified personnel 1 Cut off the power supply 2 Remove the service panel 3 Check the electric part gt Service and maintenance 4 Maintenance 4 1 Cleaning of water filter The water filter should be cleaned according to the manual of water filter to ensure the water flow of the water system It s recommended to be cleaned once in the first month after one month once half a year 4 2 Cleaning of heat exchanger Heat exchanger should be cleaned once half a year because after long term running gap between the fins of heat exchanger may be clogged up by dust leaves plastic films or papers which will affect the efficiency of heat exchange please clean the heat exchanger as follows A Use a vacuum cleaner to clean the surface of the fins to get rid of the dust or other rubbish B Use a soft nylon brush to clean the fins rinse by water at the same time please don t rinse
12. T button to confirm the OFF timer setting with o Joa 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 SET the setting value is not saved The timer setting can be cancelled by keeping on pressing O with dn disappearing from the operation panel Timer ON Timer ON setting doesn t function when the unit is working When the unit is ous e mme turned OFF it will be activated andthe unit will turn on as the timer setting Timer OFF all Timer OFF settings only functions after the unit starts It can be activated when ous mo the unitis turned on 2 8 Keyboard lock When the unit is ON press SET for 5 seconds to lock all the buttons with shows Press SET for 5 seconds again to unlock all the buttons Attention When the outdoor ambient temperature is above 26 C the unit isnot able to work in heating mode otherwise it may be damaged or turn off to protect itself So the users mustn t set heating mode onthe ambient temp above 26 C gt Service and maintenance 1 Attention A A The user mustn t change the structure or wiring inside the unit B The service and maintenance should be performed by qualified and well trained technician when the unit fails to run please cut off power supply immediately C The smart control system can automatically analyze various protection problems during daily use and di
13. astenit or changeit F2 Indoor temperature sensor failure Check if the temperature sensor drops off oris broken i Restart the unit if this doesn t work please F3 Current sensor or voltage sensor failure change PCB F4 Compressor drive fails malfunction of IPM IPM Restart the unit if this doesn t work please module protection overloading drive protection change a module board F5 Indoor EEPRM failure Check if EEPRM is connected well Overloading protection because oftoo high pg temperature of indoor pipe in heating ortoohigh Check ifthe water flows smoothly and if outdoor temperature of outdoor pipe in cooling or too high air inlet is blocked operation current Check if thepower supply is higher or lowerthan F7 High or low voltage protection the power limit F8 Pressure switch failure Change pressure switch F9 Outdoor EEPRM fails Check if EEPRM is connected well Fb Check ifthe signal cable is loose or damaged if so Malfunction of outdoor sensor fasten it orchange it Fe Pressure switch protection Cut off the power then Restart the power and unit i i Normal protecting function the can beresumed Fd Outdoor ambient temperature protection when the outdoorambient temperature is back to normal F Ind if i Normal protecting function can be resumed when REENER protection he temperature is back to normal Repai h t fl itch Er Indoor water pump or flow switch failure pE O rege een ne lede EO eee of wire controller the wire controller
14. ded performed by qualified personnel It is forbidden to doany changes to the structure ofthe unit Otherwiseinjury of personor unit damage might happen Make sure the power supply tothe heat pump unit is offbefore any Keep the unitaway from the combustible or corrosive environment operations are doneon the unit When the powercord gets looseor is damaged al s get aqualified person to fixit gt Before use Use a dedicated socket for this unit otherwise malfunction may occur Do not touchthe air outlet grill when fan motor is running Water or any kind of liquid is strictly forbidden to be poured When running the unit never cover clothes plastic cloth o into the product or may cause creepage or breakdown of the y other material that block ventilation on the product product which will leadto low efficien r even non operation of thi unit When the powercord gets looseor is damaged always get aqualified It is mandatory to use asuitable circuit breaker for the heatpump and person to fixit make sure the power supply tothe heater correspondsto the specifications Otherwise theunit might be damaged gt Before use 2 Features and advantages With DC inverter technology the unit can automatically adjusts its working frequence to supply the amount of water according to the needs making it suitable for extremely cold areas with ambie
15. e Refrigerant connector for system 1 a Refrigerant connector for system 2 grl gt Before use 4 Outlines and dimensions Indoor unit 600 N Co So Cn io Cn ery Outdoor uni A T N co ery st 500 460 413 710 5 Liquid pipe O D amp 9 52 Gas pipeO D amp 12 7 gt Before use 5 Working principles DC inverter air source heat pump water heating module adopts DC inverter technology which coverts 5 0HZ AC power into DC power then send it to power module main circuit controlled by micro computer The module delivers DC power at variable voltage and the compressor uses DC motor We use electronic expansion valve instead of capillary to control the refrigerant flow optimizing the ability of evaporator Besides the unit won t stop working while defrosting under heating mode by using electronic expansion valve DC inverter technology will automatically lower the AC power frequency and the speed of compressor when starting up the product or when water temperature reaches its setting value the speed of compressor will decrease as well as its input and output which is energy saving In the heating process based onreverse Carnot cycle theory the product only needs a small quantity of electricity as power refrigerant as carrier continuously absorbing low grade heat energy 25 C 35 C from air transferring it to high grade heat ene
16. es anda sophisticated logic Intelligent auto defrosting function monitors the defrosting needs and automatically adjust defrosting intervals Timer on off function provides in time system control for customers The hydrophilic aluminum coil on the evaporator extends the life span of the fins which is anti corrosion rain water proof andcan shorten the time of defrosting The copper tubes in the heat exchanger are inner grooved copper tubes which utilize the most advanced technology this increases the heat exchange area and working efficiency This product can efficiently work within its working environment temperature range without being limited by seasons or climate Special refrigeration system ensures compressor lube runs smoothly back to compressor decreasing the friction of the components in compressor extending the life span of compressor Fan motor of outdoor unit is designed with high air flow and low fan speed making the whole unit run with lower noise and making users more comfortable Intelligent control technology controls the output of compressor as per actual demands making the unit quite energy saving Flexible combined modules ensure easy and convenient assembling gt Before use 3 Main components Indoor unit Water outlet Re Refrigerant connector for system 1 E Cable gland Bo Water inlet A f Refrigerant connector for system 2 SER D Outdoor e
17. i Den 5 P7B P10 3 P10 2 P10 1 P6B Sas a DC w v U DO Ni 5 n CN3 CN2 c cn7 ACN Nn OVT OHT OAT OPT LEV P3 OUTDOOR MODULE PCB C l s D DC DC ms P6 1 P7 1 CN5B he YLW GRN gt I CN8C M OUTDOOR PFC PCB maan a N NIN Cees DC gt L Lio L ACL ACN D oUo P14 P11 P12 pc P13 zg L Ee FI 5 P amp C amp S 3 g 2 8 3 5 amp 2 S v a 8 g 3 amp 7 2 a PFC REACTANCE 5 NOTE BROKEN LINE USE FOR SOME MODELS TAKE CARE This diagram is subject to change with improvement of the unit Always refer to the diagram supplied with the product March 2012 R120400261 V1 0
18. it cables connected to the terminal block in indoor unit should be coincide with that in outdoor unit For example ifthe teminals and power cables are connected as yellow cable L red cable N gt blue cable S black cable in indoor unit the connections in the outdoor unit should be in the same way gt Installation 3 Fix the cable power by wire clip 4 Install the service panels back on the unit 3 6 Refrigerant pipe connection The refrigerant pipe transfers heat in the whole system Incomplete vacuum or leakage of refrigeration system will lead to low performance so please pay special attention to the following A Choose high quality refrigerant pipe which conforms to the pressure requirements of R410A B Please well insulate the refrigerant pipe before connection C Strictly check the joints of refrigerant pipe to avoid leakage D Try to avoid excessive bending of the refrigerant pipe to ensure smooth circulation of refrigerant E Please dry the refrigerant pipe before connection to avoid moisture in the pipe F If there is a wall between indoor and outdoor unit INDOOR OUTDOOR please drill a hole on the wall place a wall pipe in the hole and then let the refrigerant pipe go through the wall pipe G When insulating the refrigerant pipe please insulate each pipe separately refer to figure 1
19. k to previous operation to set other parameters in the same way If you don t press ser again to confirm the setting it won t be saved The system will exit this parameter setting program automatically in 10 seconds of non operation or by pressing Parameter 1 Parameter 1 indicates the local time The time is 24 hour system Parameter 2 This parameter has no function inthis model Parameter 3 Parameter 3 indicates the duration time for back light It can beset to 00 10 20 and 30 While 00 means the back light is always ON and 10 20 and 30 mean the ous e xao duration time for back light is 10 seconds 20 seconds and 30 seconds gt Use 2 6 Temperature control mode When unit is ON Keep on pressing M to choose water temperature or air temperature as the set temperature to control the system When Water Temp displays the system regards the outlet water temperature as set temp when Water Temp disappears the system regards the ambient temperature where the wired controller locates as set temp 2 7 Timer Setting To set the ON timer press O button and EN turn on and blink Press A to set the timer in hours and press W to set the time in minutes After it is done press button to confirm the ON timer setting and enter the OFF timer setting with blinks Set the OFF timer by pressing A to set the OFF timer in hours and pressing V to set OFF timer in minutes then press SE
20. ndby When unit is powered on the wire controller enters standby Once pressing while the unit is running the wire controller enters standby again The unit will clear its clock time when power failure happens The customer needs to set the time again in parameter 1 2 2 ON OFF When the unit is standby press to turn on the unit The unit will work in its last working mode Press jagain to turn off the unit The unit will recover its latest working settings automatically after power failure 2 3 Mode selection After turning on the unit press M to choose the working mode it comes in the sequence MK Heating gt ks cooling gt Zs hot water Attention the hot water mode is not available insome model 2 4 Temperature setting When the unit is ON press A once the set temperature increases by 1 C press W once the set temperature decreases by 1 C Keep on pressing A or VW the temperature can be increased or decreased by 5 C When changing the set temperature Set Temp flickers 2 5 Parameter setting When unit is OFF press A or VW to choose the Parameter you may want to change Meanwhile SE blinks The value on the left indicates parameter sequence the value on the right indicates the parameter value Press serto activate the parameter you choose to change when parameter sequence blinks Then the parameter value blinks Press A or VW to adjust the value then press ser again to save the setting and go bac
21. nger Plate heat exchanger fixture Relay 30A Accumulator Terminal Plate heat exchanger bracket Controller Water pump 10 11 Cable gland Sensor Top panel Operation panel NRA eN ON gt Before use I Fan blade 20 Upper evaporator back side panel Cable gland Quantity Service panel down 21 Compressor Service panel up 22 Electric box Upright column 3 23 Front panel Bottom plate 24 Motor 10 oral Bli Lower fan motor bracket lower clapboard Upper motor bracket Upright column 2 Condensate pan p jr nnn p paa 11 Upright column 1 l Crank heater 12 Valve kit 1 Electronic expansion valve coil 13 Valve installation plate 1 Electronic expansion valve 14 Upright column 1 1 Double heads sensor air and 5 15 Right service panel 1 1 coil temp Sensor 16 Right service panel 2 1 Compressor discharge temp Sensor 2 17 Lower evaporator 1 Bottom plate heater 3 gt Installation 1 System figure The second The first floor 4 A City water Filter Hot water pipe City water pipe 1 Gas piping AN a X Check valve A p fav ga g Outddoor unit A The installation of the product sh
22. not please refer to the Service and Maintenance chapter in this manual to solve the problems gt Use 1 Introduction of operation panel Inlet water temperature Water Temp Set Temp Outside Temp Outlet water temperature CED Name Instruction Heating Mode Blinks when compressorruns continuous lights when compressor stops Cooling Mode Blinks when compressorruns continuous lights when compressor stops en Hot Water Mode Continuous lights in heating mode W Defrosting Blinks when defrosting Keyboard locking Continuous lights when keyboard is locked Parameter Setting Blinks when setting paramters oc Temperature Time Air temp display range 0 75 C LIL Failure Code Water temp display range 0 99 C eo Time After power failure the time will reset to zero When water temperatureis set the symbol always lights Water Temp Temperature Control When air temperatureis set thesymbol won t display Set Temp Temperature Setting When setting temperature this symbol blinks 5 When wired controlleris switched to show outdoor ambienttemperature Outside Temp Outdoor Temperature this symbol lights This functionis not available yet ken Timer The icon displays when the function is activated en renee display mm frequency lt 48Hz masm frequency lt 66Hz m M frequency 66Hz gt Use 2 Function of operation panel 2 1 Sta
23. nt temperature down to 25 C Optimal combination of indoor unit and outdoor unit which only occupies a small area in your house can be applied in families villa hospital plant and premises quickly and conveniently supplying hot water for shower underground floor heating and radiator also satisfy your cooling needs in summer This unit uses environment friendly refrigerant R410A which reaches the highest energy efficiency rating in the industry The compressor output and 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 demands onthe system Controlling system considers and optimizes working status in different conditions enabling this system to operate atits most comfortable and optimal status under different condition The specially designed vibration absorber for compressor significantly lowers the running noise of this system The controlling system can work with input voltage ranging between 160V 260V Auto restart function stores all settings and automatically resume to the running status before power failure Compressor crankcase heater and bottom plate heater are available as options for extreme coldconditions enabling the unit to workin very low ambient temperatures with much lessened defrost frequencies Both these optional heaters are electronically controlled based on the outdoor ambient temperatur
24. op Kpa 60 Water side Heat Exchanger _ en Poe Piping connection Inch G1 Water head M 6 Rated water flow m h 3 4 Net dimension mm 600 X 330900 Packing dimension mm 620 X 350X950 Net weight Kg 60 Gross weight Kg 63 C RE I gt Before use Technical specification Ambient temperature range in heating 25 43 C Ambient temperature range in cooling 0 55 C Outlet water temperature range in heating 20 52 C Outlet water temperature range in cooling 7 25 Operation current in cooling mode 5 13 5 X2A Operation currentin heating mode 4 7 12 5 X2A Max refrigerant pipe length single return 12m Max height difference between indoorand outdoor unit 5m Refrigerant pipe dimension Liquid pipe OD12 7 1 2 Gas pipe OD9 52 3 8 Connector Flare Nut Installation advice Max water pressure drop 0 7Mpa Max setting temperature 52 C Max outlet water temperature at ambient temperature 15 C 52 C Cooling mode min water outlet temperature 7C Cooling mode max water outlet temperature 25 C Min water tank volume 100L Min water volume for underground floor heating 200L gt Before use 7 Exploded view Indoor unit No Name Quantity i Name Quantity Front panel G1 water outlet connector 1 Electronic box cover Refrigerant connector G3 8 Electronic box Refrigerant connector G1 2 Wire clip Plate heat excha
25. ould be handled by professional installer or under their instructions gt Installation 2 Installation methods Application Application 1 This isa common application providing the domestic hot water for shower and washing This installation is for supplying sanitary hot water only Domestic hot water City Water oo Drainage Water tank Outdoor Unit Application 2 The unit only supplys the hot water for floor heating This installation is for supplying floor heating hot water only WaterPump_ J Floor Heating nooo City Water Water tank Outdoor unit gt Installation Application 3 The unit can provide both domestic hot water and floor heating the application needs special water tank to separate the water supplies It provides both floor heating hot water and pre heated sanitary water Outdoor unit Pre he as fC hH ated city water Water Pump Sanitary x hot water Floor Heating City Water Drainage Application 4 This applicationintegrated with solar panel can provide hot water for domestic use floor heating and radiator this application needs special multi functional water tank It provides hot water for central house heating and hot water system
26. rgy then releasing the heat to water thus meeting customer s hot water demands In the cooling mode the product takes the heat energy from water and transfers the heat through refrigerant to evaporator then releases the heat to the air power supply water outlet water tank gt 5 B 2 8 Q water inlet filter p D expansion hetere Me refrigerant filter Kn Indoor unit Outndoor unit gt Before use 6 Technical data Outdoor unit Model number AW48 4 IOU IFC Power supply 220V 50HZ 1PH Refrigerant volume 2300 X2 R410A 2300g for each system Btu h 17600 54600 Cooling capactiy W 5200 16000 Btu h 23200 61400 Heating capacity W 6800 19600 Input power Cooling W 2200 7000 Input power Heating W 2100 5620 Current Cooling A 5 13 5 X2 Current Heating A 4 7 12 5 x2 E E R Btu h w 7 8 11 0 C O P W W 3 5 4 3 Type Twin Rotary Compressor Quantity Purchase 2 Type Water head Axial Quantity Purchase 2 Fan Airflow M h 2800 X2 Input power W 160X2 Type Tube Fin F i 0 72X2 Air side Heat Exchanger eee i Row Fins in 2 Rows 14 Tube Diameter Inch 3 8 0 D Noise DB A 56 Net dimension mm 920X412X 1440 Packing dimension mm 1005X505X1570 Net weight Kg 100 Gross weight Kg 115 Indoor unit Model number AW48 4 IIU IFC Type Plate heat exchanger Water pressure dr
27. sensor failure 2 Repair or change a new one 3 Inspect the unit for leakage and fix itif any Discharge allrefrigerant and charge the unitagain with right amount 1 Check the position and value of the coil temperature sensor Replace itif necessary properly 2 Air inlet outlet isblocked 2 Remove any object that blocks the air circulation of the unit Cleanthe evaporator coiloccasionally gt Service and maintenance The following phenomenon may not be problems ofunit itself Please contact with a professional maintenance staff for help Number Failure Solution The unit is notrunning When the unitrestarts the compressor will start 3 minutes later self protection of compressor please check ifthe circuit breakeris disconnected and ifthere is normal power supply forthe wire controller Noise When the unit is running if sound ofthe running water can be heard from the system ofthe unit itis the soundof running ofthe refrigerant This is not a failure Low capacity Check ifthe air inlet or outlet is blocked in outdoor unit check ifthe setting temperature is toohigh in cooling mode or istoo low inheating mode if there are any heating source Check if there are too many people in the room or ifthe roomis too big gt Wiring diagram Indoor unit KF0801 1203 WIRING DIAGRAM POWER SUPPLY i z Eo e PCB N1 ACN CN209O ai o CN220 S joan AC
28. splay the failure code on the controller The unit may recover by itself Under normal operation the pipings inside the unit don t need any maintenance D The unitis designed so properly that the future maintenance can proceed conveniently all the maintenance can be done easily by checking the service panel E Under normal running the user only needs to clean the surface ofthe evaporator per month or quarter of a year F Ifthe unit runs in a dirty or oily environment please clean the evaporator and heat exchanger by professionals using specified detergent to ensure the performance and efficiency ofthe unit G Please pay attention to the ambient environment to check ifthe unitis installed firmly or if the air inlet and outlet of the outdoor unitis blocked or not H Unless the water pump is damaged no service or maintenance should be taken to the water system inside the unit It s recommended to clean water filter regularly or change it when it s very dirty or blocked I If the unit is not used in winter for a long time please drain all the water inside the system to prevent the water pipes from damage due to frost gt Service and maintenance 2 Failure code list Failure code list the failure code shows for5 seconds every 10 seconds Code Trouble Advice Fi Communication failure between indoor and Check ifthe signal cable is loose or damaged outdoor unit if so f
29. ter installing the unit please connect the water inlet and outlet pipe according to the local instructions Please carefully select and operate the water pipe After connection the water piping should be pressure tested cleaned and disinfected before use Filter A filter 60 80 m should be installed at the water inlet of water tank as well as that of indoor unit to avoid sediments and guarantee water quality Indoor unit F come i H City Water outlet Onswerk P water inlet Filter i Filter Check valve Water inlet Drain pipe Insulation All pipes running hot water should be well insulated The insulation must be tied up tightly without gap But please don t wrap up the check valve for future maintenance L Please ensure enough water pressure to send the water to the required height If the water pressure is not enough please add water pump to increase the pumping head gt Installation 4 Air Purging of water system SYMBOL Symbol name Symbol Ball valve tkt Water pressure gauge A Y filter SEK T ER One way checkvalve a Soft connector o Air purging of water system 1 Open ball valve 3 5 6 7 and 8 close ball valve 2 4 and 9 2 Open ball valve 1 making the tap water come into the water tank until water come out from ball valve 8 and T P valve kit 3 Close ball valve 8 and open ball valve 9 then air purging finishes
30. vaporator coil Low heating performance 2 Air inlet isblocked 3 Insufficient of refrigerant 2 Remove any object that blocks the air circulation of the unit 3 Inspect the unit for leakage and fix it ifany Discharge allrefrigerant and charge the unitagain with correct amount Too high noise 1 Lacking of water in water system 1 Check the water filling device Fill the system with enough water from the water pump orno 2 Air exists inwater system 2 Purging the air out water flow when the water pump 3 Valves in water system are not completely opened 3 Check all the valves to ensure they are fully opened is running 4 Water filter is dirty or blocked 4 Clean the water filter Too high compressor 1 Too much refrigerant 2 Air exists in refrigerantion system 1 Discharge allrefrigerant and charge the unitagain with right amount 2 Discharge all refrigerant andcharge the unit again with right amount discharge pressure 3 Inadequate water flow 3 Check the water flow ofthe system Usea bigger pump to increase the water flow if necessary 4 Too high water temperature 1 Drier filteris blocked 4 Check the value of the water temperature sensor to ensure it works properly 1 Change a new one Too low suction pressure Unit can not defrost 2 Electronic expansion valve is not opened 3 Leakage of refrigerant 1 Coiltemperature
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