user manual of HH13 and HH17 A
Contents
1. HH Series Air Source Heat Pump Floor heating and Air con Unit Installation and Instruction Manual Code J D110421 0003 CONTENT Preta CES sica es BAAS he wr cote att ti fee ow Rh ee 4 2 Safety Pr 6CautiO nm ei ene We a ew ae 2 1 Mark noteS e 2 2 Icon Notes o ee 2 3 Warning 3 4 Attention lt s osos soaa 4 3 Specification A a Gabe Beh ee es A ae ae ae E 5 1 Appearance and Structure ofthe heat pump 5 2 Specification data mt 6 3 UnitDimension sos ss s a o 4 moro 7 4 Installation retro 8 1 Application of heat PUMP eo 8 2 Choose a right heat pump unit ss sos e ee eee o o 9 3 Installation place A eet Say Par E AA A or ator nig at Sarat ie ESOS 9 4 Installation method se 5 8 s sosa ee ee 9 5 Waterloopconnection erre 10 6 Power supply connection 10 7 Location ofthe unit s s s s s s s ooo 10 8 Transit s sos s u w a u n n o 11 9 Trial Running Be fob AD aa Le ea as ee Aa A A 11 5 Usage RA a ea 12 1 The displaying of the wire controller seer ees 12 2 How to use the wire controller mmm 12 6 Maintenance cer e a a a a a 18 1 Maintenance 18 2 Ordinary malfunctions and solution 19 7 Appendix O con WOE amen a a a a ES cae 21 1 Appendix 1 A 21 2 Appendix 2 ett 22 3 Appendix2. 50Hz 230V 50Hz 380V 3N 50Hz Compressor Quantity 2 2 3 Compressor Rotary Rotary Rotary Fan Quantity 2 2 2 Fan Power Input w 120 2 120j2 20012 Fan rotate speed RPM 850 850 750 Noise dB A 56 56 59 Hot water volume L h 40 57 57 Water Pump Input kW 0 2 0 2 0 75 Water head m 10 10 24 Water Connection inch 1 1 1 5 Water Flow Volume m h 1 7 2 8 3 8 Water Pressure Drop kPa 34 34 36 Unit Net Dimensions L W H mm See the drawing of the units Unit Shipping Dimensions L W H mm see package label Net Weight kg see nameplate Shipping Weight kg see package label Cooling Ambient temperature 35 24 Inter outlet water temperature 12 7 Heating Ambient temperature 7 6 Inter outlet water temperature 30 35 Above information just for your reference Please subject to nameplate on the unit Maintenance 2 Ordinary malfunctions and solution 1 According to failure code of the controller we can judge and solute the failure Malfunction Running lamp Reason Resolution WATER IN 1 Flash The sensor I opon Check or change the sensor WATER OUT 2 Flash o open Check or change the sensor PIPE TEMP 1 3 Flash ea Check or change the sensor PIPE TEMP 2 Atlasi he sensorTs open Check or change the sensor AMBIENT TEMP 5 Flash The Sensoris open Check or change the sensor TEMP DIRRRRENCE ugm puna Graystemobeueton Y FROSTBITE 1 light emp Wide low ie FROSTBITE 2 ligh
3. Fan do not run The compressor runs but heat pump has not heating or cooling capacity Low outlet water temperature Low water flow protection Wrong power supply power supply cable loose circuit breaker open lack of water in the piping much air in the water loop water vavles closed dirt and block on the water filter of refrigerant insulation on water pipe heat exchange rate on air side hanger of water flow oo much refrigerant ow heat exchange rate on air side exchanger ack of gas block on filter or capillary power supply failure compressor contactor broken power cable loose protection on compressor wrong setting on return water temp ack of water flow iquid refrigerant goes into compressor compressor failure ailure on fan relay an motor broken no gas in the heat pump heat exchanger broken compressor failure low water flow rate low setting for the desired water temp lack of water in the system failure on flow switch 20 shut off the power and check power supply check power cable and make right connection check for the cause and replace the fuse or circuit breaker check the water supply and charge water to the piping discharge the air in the water loop open the valves in water loop clean the water filter check for the gas leakage and recharge the refrigerant make good insulation on water pipe clean the air side heat exchanger clean the water
4. g v DEF TIME 8M SYSTEM 4 SAVE YESy Esc Prg y gt WATER IN 17 gt WATEROUT 50 gt PIPE 1 10 gt PIPE 2 15 gt AMBIENT TEMP 15 gt QA Prg y Esc key to back to submenu Prgjkey to enter into menu surface Vikey to select parameter setting and thej e Yo dar is And the same way for mof Esc Me parameter Press this again to TYPE C H E PUMP NORMAL QA Prg y Esc Usage c Main menu When itis running press the A Vv Then press the ya And press the e At last pressing the MAIN MENU OA PARAMETER TIME TEMP CURVE Prg y Esc ey Esc t Prd key to enter into menu surface key to enter into main menu eanterthe next menu MAIN MENU MODE SELECT O A UNIT STATUS Prg y Esc PARAMETER TIME TEMP CURVE key can come back to the front page OA Prg y Esc COOL HEAT HEAT pay MODE SELECT OA UNIT STATUS Prg y 14 AUX HEATING OFF O A rg y Aux heating ON means that the system has the output of aux heating Aux heating OFF means that
5. the system has the output of aux heating Installation 8 between the cable and the unit to prevent damage to the heat pump cabinet See picture 1 meters cable is needed and there must be soft material Transit When the unit need to be hung up during installation a 8 Picture 1 A iwang DO NOT touch the heat exchanger of the heat pump with fingers or other objects 9 Trial Running Inspection before trial running Check the indoor unit and make sure that the pipe connection is right and the relevant valves are open Check the water loop to ensure that the water inside of the expansion tank is enough the water supply is good the water loop is full of water and without any air Also make sure there is good insulation for the water pipe Check the electrical wiring Make sure that the power voltage is normal the screws are fastened the wiring is made in line with the diagram and the earthing is connected Check the heat pump unit including all of the screws and parts of the heat pump to see if they are in good order When power on review the indicator on the controller to see if there is any failure indication The gas gauge can be connected to the check valve to see the high pressure or low pressure of the system during trial running Trial running Start the heat pump by press A or W key onthe controller Check whether the water pump is running if it runs normally there wi
6. Bose 23 4 Appendix 4 ttt ttt ee 23 5 Appendix DB 24 6 Appendix6 ste e 25 Appendix Appendix 6 Connections code of the main PCB o v 7 lt o Q gt gt gt lt Cc gt gt gt O O O e o O PO 3 2 k E 2 os oe ae 2 n z gt 2 000 29 43 9 3A 92 0 Dw QD a e2z2mz2n83232m 724G42 828 GAG H 6 lt Z Z2 OD Od OGOS INWT OUTWT PIPE1 PIPE2 ROOMT Connections explanation C weaning Ne MITE meaning Remote controller DON Switch High OFF Low ON Mode High Cooling Low Heating Ta orum Using side water pumpe2z0vace 15 waren ano Flow switch protection Normal close Detrost signal e compe compressor of system2e220vace 17 fsysann12v _ system Protection Normal close Compressor of system 1 220VAC Ambient Temp ls aci Fire wire Hot water Temp lo acn Neutral Wire Water source Temp witch on off high OFF low ONE ode high cooling low heating Using side inlet water Temp Using side outlet water Temp 25 Appendix Appendix5 The unit s parameter Please set according the below table Digit meaning default ae 00 COOL TEMP 12 yes 01 HEAT TEMP 40 gt yes 02 DEF CYC 45M No use 03 DEF IN 7 gt No use 04 DEF OUT 13 gt No use 05 DEF TIME 8M No use 06 SYSTEM 1 2 yes 07 SAVE YES NO yes 08 TYPE C H yes 09 PUMP NORMAL ye
7. Water recharge and full inspection on the heat pump is needed before it is restarted O Please drain out the water in the super heater of the heat pump unit in winter when the super heater is not used The water loop of the heat pump MUST be protected from freezing in winter time Please pay attention to below suggestions Nonobservance on below suggestion will invalid the warranty forthe heat pump 1 Please do not shut off the power supply to the heat pump in winter When the air temperature is below 0 if the inlet water temperature is above 2 and below 4j the water pump will start for freezing protect if the inlet water is lower than 2 the heat pump will run for heating 2 Use anti freezing liquid glycol water 1 look for below table for the volume of the glycol water 2 the glycol water can be added into the system from the expansion tank of the water loop Glycol percentage 10 20 30 40 50 ambient temp 3 8 14 22 33 cooling heating capacity fluctuation 0 991 0 982 0 972 0 961 0 946 power input fluctuation 0 996 0 992 0 986 0 976 0 966 water flow fluctuation 1 013 1 040 1 074 1 121 1 178 water drop fluctuation 1 070 1 129 1 181 1 263 1 308 Note if the glycol water is too much the water flow and water pump will be influenced and the heat exchange rate will be decreased This table is for reference please use anti freezing water according to the real conditio
8. and efficient compressor fan and water pump is used to ensure the low noise level with insulation 5 Good heat exchange rate The heat pump unit use special designed heat exchanger to enhance whole efficiency 6 Large working range This series of heat pump is designed to work under different working conditions as low as 15 degrees for heating Safety Precaution To prevent the users and others from the harm of this unit and avoid damage on the unit or other property and use the heat pump properly please read this manual carefully and understand the following information correctly Meaning A wrong operation may lead to death or heavy injury on people A wrong operation may lead to harm on people or loss of material Meaning Prohibition What is prohibited will be nearby this icon Compulsory implement The listed action need to be taken ATTENTION include WARNING Please pay attention to what is indicated Appendix Appendix 3 The installation explanation of the leakage pressure valve 1 The action pressure of leakage pressure valve is more than 3bar valve is open but the pressure can not be adjusted 2 The valve will open automatically to make sure that the water loop of air con system is safe when the water pressure in the backwater side is higher than the set pressure outlet gt A inlet Appendix 4 The way of assistant heat source connection Unit provides the connection of
9. fire Safety Precaution ATTENTION Installation Meaning Q The unit CANNOT be installed near the flammable gas Once there is any leakage of the gas fire can be occur Installation Place y 9 g Q Make sure that the basement of the heat pump is strong enough to avoid any decline or fall down of the unit Fix the unit Q Make sure that there is circuit breaker for the unit lack of Need circuit breaker can lead to electrical shock or fire circuit breaker Operation Meaning Please check the installation basement in a period one month to avoid any decline or damage on the basement which may Check the installation basement hurt people or damage the unit Q Please switch off the power for clean or maintenance Switch off the power It is prohibited to use copper or iron as fuse The right fuse O must be fixed by electrician for the heat pump Prohibition O It is prohibited to spray the flammable gas to the heat pump as it may cause fire Prohibition Appendix Appendix 1 Install sketch map Especial installation expandable water tank Legend explanation main unit 17 ball valve fan coil 18 ball valve rubber flexible connection 19 the close and expandable water tank thermometer 20 automatically filled water pressure meter filter similar as Y check valve ball valve flow meter 10 bypass valve 11 drain 12 filter 13 two way valve 14 three way valve 15 automatic ven
10. outlet temp Temp Sensor open Unit stops Check and renew 8 sensor failure or short circuit and alarm Yes the sensor Exhausttemp Temp Sensor open Unit stops Y Check and renew 9 sensor failure or short circuit and alarm E the sensor Power supply Wrong connection Unit stops E wrong connection or lack of connection and alarm Yes Check the connections 19 Maintenance 1 Maintenance Check the water supply and air vent frequently to avoid lack of water or air in the water loop Clean the water filter in a certain period to keep good water quality Lack of water and dirty water can damage the unit The heat pump will start the water pump per 72 hours when it is not running to avoid freezing Keep the unit in a place which is dry and clean and has good ventilation Clean the heat exchanger in 1 or 2 month and keep good heat exchange rate and save energy Check each part of the unit and the pressure of the system Replace the failure part if there is any and recharge the refrigerant if it is needed Check the power supply and the electrical system make sure the electrical components are good the wiring is well If there is any part failed with wrong action or smell please replace in time If the heat pump is not used for a long time please drain out all the water in the unit and seal the unit to keep it good Please drain the water from the lowest point of the heat exchanger to avoid freezing in winter
11. 1 CLOCK TIMER ON Y 08 00 TIMER OFF Y 22 30 16 02 Prg y Esc A N keys to change data pe key choose the modified data y DATE A 24 03 2011 CLOCK TIMER ON Y 08 00 TIMER OFF Y 22 30 16 02 Prg y Esc Installation 2 2 1 2 2 2 3 0000000 4 Choose a right heat pump unit Based on the local climate condition construction features and insulation level calculate the required cooling heating capacity per square meter Conclude the total capacity which will be needed by the construction According to the total capacity needed choose the right model by consulting the heat pump features as below Heat pump features Cooling only unit chilled water outlet temp at 5 15 maximum ambient temp at 43 Heating and Cooling unit for cooling chilled water outlet temp at 5 15 maximum ambient temp at 43 For heating warm water inlet temp at 40 50 minimum ambient temp at 10 Unit application Air source water chiller and heat pump is used for house office hotel and so forth which need heating or cooling separately with each area need to be controlled Installation place The unit can be installed on any place outdoor which can carry heavy machine such as terrace housetop ground and so on The location must have good ventilation The place is free from heat radiation and other fir
12. 12 Usage 2 How to use the remote controller a when power on itshows O A AIR COOLED WATER CHILLER Prg y HEAT PUMP CONTROL Esce XxX y 10 seconds latter the standby interface occurs a STATUS Standby O A Inlet water temp 20j Outlet water temp 30 Prg v Esc 16 02 2011 15 32 b After press O the unit will run The display is as follows UNIT STATUS Defrost Cooling Heating Standby STATUS Standby O A STATUS Heating O A Inlet water temp 20 y i Inlet water temp 20i Outlet water temp 30 Prg y Outlet water temp 30 Prg y 16 02 2011 15 32 Q Esc 16 02 2011 1537 Q Esc J 13
13. assistant heat source which can not be only for gas fired boiler but also for electronic boiler or warm net pipe for city accordingly The way to the connection is as follows 1 water chiller and heat pump assistant gas fired boiler water chiller and heat pump gt outlet control wire gas fired boiler 2 water chiller and heat pump assistant electronic boiler water chiller and heat pump 23 Appendix Appendix 2 The installation explanation of automatic filled water 1 When automatic filled water valve is installed the arrowhead orientation of inlet water must accord with the orientation of valve 2 Automatic filled water has been adjusted in advance to 1 5bar 3 If readjust the pressure of inlet water please operate as follows open the screw cap C If reduce the pressure of water supply pease unscrew the pressure to adjust the screw B If increese the pressure of waer supply please screw down the pressure to adjust the screw B 4 When the system need fill water at first wrest the handle A of filled water Then the handle A can return close when the system is full of water 5 Automatic filled water Valve need clean in a periodic time and then you must close the tap unscrew the plug D remove the inside filter net Please assemble them again after cleaning NOTICE There are two connections for water pressure meter in the central section of automatic filled water where the water pressure meter
14. can be connected directly and display the set pressure The screw cap C must be tweaked after adjusting the filled water pressure B C gt 1 4 1 2 22 Safety Precaution Installation Meaning Q The heat pump must be installed by qualified personals to avoid improper installation which can lead to water Professional installer f leakage electrical shock or fire is required Q Please make sure that the unit and power connection Earthing is required have good earthing otherwise may cause electrical shock Operation Meaning O DO NOT put fingers or others into the fans and evaporator PROHIBITION of the unit otherwise harm may be occurred Q When there is something wrong or strange smell the power supply need to be shut off to stop the unit Continue to run Shut off the Power may cause electrical short or fire When the heat pump need to be moved or installed again please entrust dealer or qualified person to carry it out Improper installation will lead to water leakage electrical shock injury or fire It is prohibited to repair the unit by the user himself otherwise electrical shock or fire may be occur When the heat pump need to be repaired please entrust dealer or qualified person to carry it out Improper movement Prohibit or repair on the unit will lead to water leakage electrical shock injury or
15. e flame A pall is needed in winter to protect the heat pump from snow There must be not obstacles near the air inlet and outlet of the heat pump A place which is free from strong air blowing There must be water channel around the heat pump to drain the condensing water There must be enough space around the unit for maintenance Installation method The heat pump can be installed onto the concrete basement by expansion screws or onto a steel frame with rubber feet which can be placed on the ground or housetop Make sure that the unit is placed horizontally Installation 5 00 e e 7 Water loop connection Please pay attention to below matters when the water pipe is connected Try to reduce the resistance to the water from the piping The piping must be clear and free from dirty and blocks Water leakage test must be carried out to ensure there is no water leaking And then the insulation can be made Attention that the pipe must be tested by pressure separately DO NOT test it together with the heat pump There must be expansion tank on the top point of the water loop and the water level in the tank must be at least 0 5 meter higher than the top point of the water loop The flow switch is installed inside of the heat pump check to ensure that the wiring and action of the switch is normal and controlled by the controller Try to avoid air stayed inside of the water pipe and there must be air vent o
16. filter discharge the redundant gas clean the air side heat exchanger check the gas leakage and recharge freon replace filter or capillary check off the power supply replace compressor contactor tighten the power cable check the compressor exhaust temp reset the return water temp clean the water filter and discharge the air in water loop bad evaporation check the cause for bad evaporation and get rid of this use new compressor replace the fan relay replace fan motor check system leakage and recharge refrigerant find out the cause and replace the heat exchanger replace compressor clean the water filter and discharge the air in water loop reset the desired water temperature clean the water filter and discharge the air in water loop replace the flow switch Specification 1 Appearance and structure of the unit Circulating fan side discharge Water inlet Water outlet The maximum cable for the wire controller is 200 metres from the heat pump Specification 2 The data of unit Unit Model HH13 HH17 HH251 Cooling Capacity kw 10 0 13 5 19 5 Btu h 34000 46000 67000 Heating capacity kw 13 0 17 0 25 0 Btu h 44000 60000 85000 Cooling Power Input kw 3 5 4 7 7 0 Heating Power Input kw 3 1 4 1 6 0 Running Current Cooling Heating A 15 2 13 5 20 4 17 8 12 1 10 3 Power Supply 230V
17. ll be 0 2 MPa on the water pressure meter When the water pump runs for 1 minutes the compressor will start Hear whether there is strange sound from the compressor If abnormal sound occurs please stop the unit and check the compressor If the compressor runs well please look for the pressure meter of the refrigerant Then check whether the power input and running current is in line with the manual If not please stop and check Adjust the valves on the water loop to make sure that the hot cool water supply to each door is good and meet the requirement of heating or cooling Review whether the outlet water temperature is stable The parameters of the controller are set by the factory it is not allowed to change then by user himself 11 o Usage 1 Wire controller functions instruction r AIR COOLED WATER CHILLER HEAT PUMP CONTROL Switch Key Press this key to switch on off 2 Y Up down Key Press this key to read parameters in any state in standby or power off Press this key to change the parameter in setting state 6 Menu Key You can press this key to enter into menu surface when power on or in standby 5 Exit Press this key to confirm the parameter in setting state When in other states you can press this key to return to the former surface 6 Enter Key Press up down key to enter into parameter roll then press enter key to go into parameter list and change the data
18. n of the local climate 18 S ecification 3 Unit dimension Models HH13 HH17 A o LO Water outlet Super heater access Water inlet EN Drainage o o 1 ii 700 l 1100 R Models HH251 z OOOO 1450 O Water inlet O o Water outlet Water outlet o O Drainage Super heater access 515 485 ai L Usage e Time setting When standby press Then pressj The same way for mod Esc MAIN MENU PARAMETER TIME TEMP CURVE O A Prg y Esc Nis 24 03 2011 DATE LOCK 71S 16 02 TIMER ON Y 08 00 TIMER OFF Y 22 30 O A Prg y Esc J GC Usethe same way to change clock timer on and off ne parameter Press this Prd key to enter into menu surface Vv to select time setting ROW and the rey to begin time setting You can use this key jto chan gapatameter again to back to sub ment DATE OA 24 03 2011 gt lt q Esc CLOCK TIMER ON Y 08 00 TIMER OFF Y 22 30 16 02 Prg y Esc E e OA DATE 24 03 201
19. n the top point of the water loop There must be thermometer and pressure meter at the water inlet and outlet for easy inspection during running Power supply connection Open the front panel and open the power supply access The power supply must go through the wire access and be connected to the power supply terminals in the controlling box Then connect the 3 signal wire plugs of the wire controller and main controller If the outside water pump is needed please insert the power supply wire into the wire access also and connect to the water pump terminals If an additional auxiliary heater is need to be controlled by the heat pump controller the relay or power of the aux heater must be connected to the relevant output of the controller Location of the unit Airinlet gt wall Air outlet A ATTENTION Requirement A gt 500mm C gt 1000mm B gt 1500mm D gt 500mm Usage MODE SELECT OA UNIT STATUS Esc d Parameter When standby press Then press the key to begin setting You can use this key confirm it and use the A Esc MAIN MENU O A PARAMETER Prg y TIME TEMP CURVE Esc XxX Esc t J Dl COOL TEMP 12 O A HEAT TEMP 40i DEF CYC 45M Pr DEF IN 7i DEF OUT 13
20. s Notice Above data setting 00 is relevant to cooling mode only All other data ie 01 08 is relevant to heating The users can change the parameters according to their needs If it is water cooled water chiller heat pump the parameter ie 02 05 is not effective Remark Parameter 06 1 the unit has 1 system 2 the unit has 2 systemsj Parameter 07 NOf the unit can not restart automatically YES the unit can restart automatically Parameter 08 C the mode of the unit is cooling only C H the mode of the unit is heat pump C H E the mode of the unit is auxiliary electrical heating H the mode of the unit is heating only Parameter 09 NORMAL always open SPECIAL 60 seconds start before compressors starting 30 seconds stop after compressors stopping 24 Preface I In order to provide the customers with high quality strong reliability and good versatility product this heat pump is produced by strict design and manufacture standards This manual includes all the necessary information about installation debugging discharging and maintenance Please read this manual carefully before you open or maintain the unit The manufacture of this product will not be held responsible if someone is injured or the unitisdamaged asaresultof improper installation debugging unnecessary maintenance which is not in line with this manual The unit must be installed by qualified personnel I It is
21. t femp isteo lower S SYSTEM 1 6 Flash relents Protection ee ale allende dora System Protection Board malfunction tabl eQ ME AS SYSTEMPROTECT 9 Flash wrong connaciong or Check connections of power cable TEMP DIFFERENCE 10 Flash Water flow rate not Check the water flow rate or ERROR enough water system is jammed or not COMMUNICATION Flash pas control erand Tne Check the wire connection 2 You can judge and remove the malfunctions according to the malfunction code display on the PROTECT 300 only for 3 phase units Recover Display Name reason Action yes orno revolution E i z Unit stops 4 Cooling water freezing CO0ling water temp alarm Yes Checkwater flow volumd Cooling water Cooling water temp Unit stops Check the water system 2 antifreezing failure after tu e inlet and alarm Yes y Low pressure Unit stops heck Mrougnithe 3 Low pressure switch action andalarm Yes pressure switch Compressor exhaust Compressor exhaust Unit stops Y Check through the 4 ltemp too high temp too high and alarm es refrigerant system Over current Current through Unit stops neck through the powe 5 on compressor compressor too heavy and alarm Yes Pupp y or compressor High pressure Unit stops Check through the 6 High pressure switch action and alarm Yes pressure switch andre a em Temp sensor before Temp Sensor open Unit stops heck and 7 tube failure or short circuit and alarm Yes estes ne Tube
22. tilation 16 water pump OONONARWNY Pressure automatic leakage fill water valve valve OF r Technical request 1 Each connection must be connected tightly and have no leakage 2 the arrowhead orientation of automatic filled water must accord with water supply 3 The pressure of automatic filled water has been set and please do not remove screw Installation request 1 The factory only offers main unit 0 and 1 in the legend and the other modules which are indispensable fittings are provided by users or installation company 2 The unit which of code contains the letter B has water pump inside and need not install water pump outside 16 3 Automatic ventilation 15 is installed on the top point of the water systemj 4 The quantity proportion of two way valve 13 and three way valve 14 is referred to the technical regulation and there is three way valve installed on the farthest place of water system 5 The ball valve 17 is used when it is swashed filled water in the water system and so on 21 Maintenance 3 Look over and clear the failure according to below information Failure Heat pump cannot be started Water pump is running with high noise or without water Heat pump capacity is low compressor do not stop High compressor exhaust Low pressure problem of the system Compressor do notrun High noise of compressor
23. vital that the below instructions are adhered to at all times to keep the warranty The unit can only be opened or repaired by qualified installer or an authorised dealer Maintenance and operation must be carried out according to the recommended time and frequency as stated in this manual Use genuine standard spare parts only Failure to comply with these recommendations will invalidate the warranty F Air source water chiller and heat pump is a kind of high efficiency energy saving and environment friendly equipment which is mainly used for house warming It can work with any kind of indoor unit such fan coil radiator or floor heating pipe by provide warm or hot water One unit of monobloc heat pump can also work with several indoor units The air source water heat pump unit is designed to have heat recovery by using super heater which can provide hot water for sanitary purpose This series of heat pump unit owns following features 1 Advanced controlling The PC microcomputer based controller is available for the users to review or set the running parameters of the heat pump Centralized controlling system can control several units by PC 2 Nice appearance The heat pump is designed with beautiful looking The monobloc one has the water pump included which is very easy for installation 3 Flexible installation The unit has smart structure with compact body just simple outdoor installation is needed 4 Quiet running High quality
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