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4. Maintenance

4.7

Service of monoblock outdoor unit

4.7.1

Maintenance of controller

take off the top cover of the unit.

Take off the electric box cover.
Do necessary maintenance work to the controller of monoblock outdoor unit .

1)   Cut off the power supply,
2)
3)

Top cover

Electric box cover

Содержание AWH11-V5+

Страница 1: ...Heat Pump DC Inverter Air to Water Before operating this product please read the instructions carefully and keep this manual for future use User s manual User s manual AWH9 11 V5 MBG series ...

Страница 2: ...2 ...

Страница 3: ...4 5 4 6 4 7 4 8 Trouble shooting 5 5 1 Outlines and dimensions 5 2 Exploded view 5 3 Wiring diagram 2 1 General application system introduction Installation of safety valve kit 3 3 Basic operation 4 2 Cleaning of water filter 4 3 Cleaning of plate heat exchanger 4 4 Gas charging Condenser coil Service of indoor control unit Service of monoblock unit Water pipe connection Test run 3 4 Advanced sett...

Страница 4: ...manual before use For sanitary hot water please always add a mixture valve before water tap and set it to proper temperature Ground wire Use a dedicated socket for this unit otherwise malfunction may occur The power supply to the unit must be grounded Do not touch the air outlet grill when fan motor is running Do not touch the power plug with wet hands Never pull out the plug by pulling the power ...

Страница 5: ... for fuse or breaker Otherwise damages maybe caused Be aware fingers might be hurt by the fin of the coil 5 This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources To return y...

Страница 6: ...ple 1 Before use Water inlet Water Outlet Filter Water pump Heat exchanger Power supply Four way vavle Compressor Three way valve Refrigerant Filter T connector Fan motor Pressure check valve Evaporator Heating Cooling 6 ...

Страница 7: ...Operation panel Cable gland Water outlet Water inlet 1 3 Main components 1 Before use 1 3 1 Indoor control unit 7 Pressure Relief Valves Electric box Door Electric box cover Water pump ...

Страница 8: ...1 3 2 Monoblock unit 1 Before use 8 AW9 V5 AW11 V5 ...

Страница 9: ... W KW W W W KW W W KW W W W KW W W KW W W W 11 5 10 10 3 82 4 03 4 67 11 5 4 33 10 10 915 3029 975 2153 3 82 5 05 4 02 4 65 10 7 9 53 2 95 3 17 4 14 10 7 4 19 9 53 1218 3624 1230 2990 2 95 3 56 3 12 3 55 9 2 6 84 2 68 2 09 4 33 9 2 4 10 6 84 993 3465 1230 3280 2 685 4 11 2 09 3 32 6 74 5 05 2 15 1 58 2 17 6 74 2 34 5 05 924 3132 1080 3200 2 15 3 0 1 58 2 40 R410A 1 9 R410A 2 45 Circuit Max Pressur...

Страница 10: ...imension L D H Net Weight Packing Weight Outdoor Unit Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit Indoor Unit 1215 415 760 1064 353 754 500 495 210 1310 830 520 1130 460 904 94 20 81 98 86 Water Side Heat Exchanger Allowable Water Flow Type Water Pressure Drop Piping Connection Min Water Flow Rated Water Flow Max Water Flow 23 G1 0 52 0 43 0 31 0 26 0 62 0 51 Materia...

Страница 11: ...ting system Name Drawing Ball valve One way valve Filter Drain outlet 30L buffer tank Floor heating distribution system Name Drawing Ball valve One way valve Filter Safe valve Air discharge valve Water pressure gauge Motor three way valve Refrigerant pipe Hot water outlet pipe Hot water inlet Heating water outlet pipe Heating water inlet pipe Cooling heating water outlet pipe Cooling heating water...

Страница 12: ...L buffer tank Water discharge outlet De25 Name Drawing Ball valve One way valve Filter Safe valve Air discharge valve Water pressure gauge Motor three way valve Refrigerant pipe Hot water outlet pipe Hot water inlet Heating water outlet pipe Heating water inlet pipe Cooling heating water outlet pipe Cooling heating water inlet pipe City water inlet pipe Sanitary hot water outlet pipe Name Drawing ...

Страница 13: ...about 80 mm deviation in size may occur knife and two adjustable spanners or pliers and possibly torque wrench 2 3 1 Installation notes 1 2 The indoor unit shall be placed in dry and well ventilated environment 3 Indoor unit mustn t be installed in an environment where volatile corrosive or flammable liquid or gas exists 4 The indoor control unit should be installed indoors and mounted on the wall...

Страница 14: ...he nuts out from the expansion bolts Fix the mounting board on the expansion bolts a little bit but don t be too tight Use a hammer to pound the expansion bolts into the drilled holes Fasten the nuts by turning the wrench to fix the mounting board on the wall control 2 Installation 1 2 3 4 5 6 Note You must choose very firm wall for installation otherwise the bolts may get loose and unit be damage...

Страница 15: ...l the indoor control unit and 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 10 Please ensure enough space around the unit for better ventilation and maintenance Please refer to the illustration below monoblock monoblock Monoblock monobl...

Страница 16: ...damage to the equipment 3 User should double check and make sure the installation of unit is firm enough 4 The bracket can be of stainless steel galvanized steel aluminum and other materials as required by the user 5 Besides the mounting bracket the user can also install the monoblock unit on two concrete blocks or a raised concrete platform Please make sure that the unit is securely fastened afte...

Страница 17: ...1 1 User Manual 2 Installation Indoor control unit bracket 1 Expansion bolts 2 Name Quantity Picture 17 Name Quantity Picture 1 1 TR Room temperature sensor TC water temperature sensor for cooling TH water temperature sensor for heating 1 Communication cable between indoor control unit and monoblock unit Communication cable Signal cable between indoor control unit and monoblock unit 1 1 TW Water t...

Страница 18: ...won t get loose Don t connect several parts of cables together to use Make sure the power supply in the local coincide with the power supply marked in rating label Make sure power supply cable and socket can meet the requirement of the input power of the unit 2 6 Wiring 2 Installation Installation sketch 18 Signal cable between indoor and outdoor unit Main power in user side Heat pump unit power s...

Страница 19: ...ol unit front panel and take off the electronic box cover A Insert one end of this cable through the cable gland on bottom of the indoor control unit and connect it with heat pump power supply terminals G N L B Fasten the cable gland to ensure the cable won t get loosen C Connect the other end to the city power supply 2 Installation 19 A B C G N L ...

Страница 20: ...mplies to the local safety regulations A Insert one end of this cable through the cable gland on back of the outdoor control unit and connect it with heat pump power supply terminals G N L B Fasten the cable gland to ensure the cable won t get loosen C Connect the other end to the city power supply ...

Страница 21: ...gulations A Insert one end of this cable through the cable gland on top of the indoor control unit and connect this power cable to Outdoor unit on indoor control unit terminal block B Fasten the cable gland to ensure the cable won t get loosen Connect cable between indoor control unit and monoblock unit to correspondent terminal block according to the wiring diagram Fasten the cable gland to ensur...

Страница 22: ...power supply to heater Water pipe connected between monoblock unit and house water pipe in between should not longer than 50cm 2 Installation 22 Copper or Steel water pipe 28mm Electric heating cable Aluminum foil reflex heat back to water pipe Insulation that can hold temperature over 120 Power and signal cables Wrapping material ...

Страница 23: ...e to A B on terminal block B Fasten the cable gland to ensure the cable won t get loosen Take off the electric box cover and connect the other end of communication cable to correspondent terminal block through cable gland Fix the cable with cable gland after cable is well connected A B on monoblock unit should be connected with A B on indoor control unit otherwise unit will show communication fail...

Страница 24: ...UI Water inlet temperature sensor Connect these sensors with communication cables by quick connector and then connect communication cable the end without quick connector with terminal block These sensors are packed inside the accessories bag TUP TUI TUO terminal of indoor PCB and outdoor sensor are connected to the terminal board connect via cushion cable Place all sensors in right positions Senso...

Страница 25: ...2 Installation Install the electric box cover on indoor control unit and electric box cover on monoblock unit back and close the door of indoor control unit 25 C C ...

Страница 26: ...2 7 Installation of safety valve kit 1 Install the safety valve kit to the connector on top of indoor control unit 2 Connect the drainage pipe to safety valve outlet 2 Installation 26 ...

Страница 27: ... wrap up the check valve for future maintenance 3 Requirements of water quality A Chloridion element in the water should be less than 300ppm temperature is less than 60 B PH value of water should be from 6 to 8 C The water with ammonia can t be used for the unit If the water quality is bad or water flow too little scale formation or clogging may happen after unit running for a long time then the e...

Страница 28: ... up A When the installation of unit is 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 on the unit press the on off button on the operation panel 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 ...

Страница 29: ...king speed of compressor and fan motors in selected time periode Deicing the outdoor unit evaporator when ice is build up Self learning not adjustable Shown when digits is correspondent with temperatures Shows selected temperature values when unit is on or parameter setting values Symbol display when selected flickers when activated shown in Symbol display when selected flickers when activated sho...

Страница 30: ... water mode Indicates that heating cooling mode is set to Timer operation and weather it is in ON periode and if unit actually is working in this mode 2 shows that Timer for heating cooling mode is selscted and that unit is within its ON periode OFF indicates that unit is not working in heating cooling mode at the moment Button switch the entire unit on and off Button a so have some parameter sett...

Страница 31: ...to activate the setting of this parameter The value start flickering Use button to adjust the value or button to adjust setting in hours button to adjust the setting in minutes if this parameter is a time parameter Timer function ON OFF 0 OFF Hot Water Timer ON 1 00 00 Hot Water Timer OFF 1 00 00 Hot Water Timer ON 2 00 00 Hot Water Timer OFF 2 00 00 Heating Cooling Timer ON 1 00 00 Heating Coolin...

Страница 32: ...n water T Cooling restarts based on water T Cooling and heating switch judgment User level Parameter Check in ON OFF Set in OFF User 5 2 2 0 OFF Page in the menu 44 44 DHW Set Temp 16 34 17 35 18 36 Heating Set Temp Cooling Set Temp Room Set Temp Ambient temperature Hot water temperature Heating water temperature Cooling water temperature Room temperature Unit outlet temperature Unit inlet tempera...

Страница 33: ...Press SET to confirm the setting Item Sub menu Unit Statue Operation Level Default factory settings Advanced Setting Group 0 Test working mode indoor controller External ON OFF switch Water flow switch Heating buffer tank Cooling buffer tank Priority switch between hot water and heating operation Refrigerant collecting function Lock Function Installer OFF 0 Normal operation 0 Invalid 60 sec 0 No 0...

Страница 34: ...rature Secondary Anti freezing Starting Water Temperature Secondary Anti freezing Ending Water Temperature Secondary 60 120 min 1 ON 5 2 5 2 15 Manual ON OFF of Heater in Hot Water Mode Backup Heating Source For Hot Water Mode Priority Of Backup Heating Sources For Hot Water Mode Compared With Unit Auxiliary Heater Temperature Increasement Checking Duration in Hot Water Mode Maximum Allowable Set ...

Страница 35: ... Water Temp 4 Ambient Temp 5 Ambienttemp 5 Vs Water Temp 5 12 25 7 28 2 31 7 35 20 42 Heat Recovery Function Hot Water Restart Based On T in Heat Recovery Operation Hot Water Stop Based On T in Heat Recovery Operation Allowable Temp Drift In Heating in Shifting Priority Operation Hot Water Min Working Hours in Shifting Priority Operation Heating Max Working Hours in Shifting Priority Operation Wor...

Страница 36: ...e working mode settings in accordance to your heating hot water cooling system When the unit is ON press M to set the unit working mode For each time M is pressed working mode is changed by the below sequence When a working mode is selected its symbol s will be shown on the screen The current working mode of the unit is shown by a flickering working mode symbol Picture shows that heating and hot w...

Страница 37: ...temperature by 1 Note 1 If heating curve function is activated set temperature for heating will be calculated according to the set curve automatically Its set temperature can t be adjusted by this operation 2 If room temperature control mode is activated temperature set here for heating and cooling is based on room temperature Room Temperature Control Temperature setting Combined working mode When...

Страница 38: ...00 23 59 00 00 23 59 Timer function ON OFF Hot Water Timer ON 1 Hot Water Timer OFF 1 Hot Water Timer ON 2 Hot Water Timer OFF 2 Heating Cooling Timer ON 1 Heating Cooling Timer OFF 1 Heating Cooling Timer ON 2 Heating Cooling Timer OFF 2 Normal Shower Time for unit with heat recovery function only Anti legionella function Anti legionella function starting time Pump anti block running time Quiet o...

Страница 39: ...ault Value 0 0 off 1 on Timer function ON OFF Meaning of each parameter Hot Water Timer 1 1 2 2 3 3 4 4 Parameter No Parameter No Meaning Meaning Range Default Value Value 00 00 04 00 00 00 09 00 00 00 14 00 00 00 21 00 00 00 23 59 00 00 23 59 00 00 23 59 00 00 23 59 Hot Water Timer ON 1 Hot Water Timer ON 1 Hot Water Timer OFF 1 Hot Water Timer OFF 1 Hot Water Timer ON 2 Hot Water Timer ON 2 Hot ...

Страница 40: ...oling heating Timer ON period Unit will work for both hot water and cooling heating mode not in same time when needed This symbol means the unit is neither in hot water nor cooling heating Timer ON period Unit will work not work for both hot water and cooling heating mode even needed Normal Shower Time Parameter No Meaning Range Default Value 9 00 00 00 00 23 59 Normal Shower Time for unit with he...

Страница 41: ...water is still not enough for shower unit will activate standard hot water operation instead of using recovered heat to heat up the shower water Parameter 10 is used to activated or deactivate Anti legionella function Parameter 11 is used to set the starting time of Anti legionella function During the hot water operation unit will record the highest hot water temperature it produced If in 7 24 hou...

Страница 42: ...ing water temperature Room temperature Unit outlet temperature Unit inlet temperature System 2 temperature indoor coil System 2 voltage V System 2 current A System 2 Hz compressor speed System 2 comp discharge temp System 2 temperature outdoor coil System 2 suction temperature System 2 evaporating pressure System 2 condensing pressure System 2 EEV position System 1 indoor coil temperature System 1...

Страница 43: ... for each paramter in sequence Value of the parameter Sequence of the parameter Press SET to activate setting of current parameter with its value blinks Value of the parameter blinks Press or to adjust the value and confirm the setting by pressing SET again If no operation for 5 seconds it exit to Off mode In OFF mode default paramter settings of factory can be recovered by pressing M ...

Страница 44: ... value set in parameter 4 unit activate heating operation When Ambient temperature is higher than value set in parameter 5 unit activate cooling operation If setting via External Signal an external room thermostat or central control system in the building can control the cooling or heating requirements by connecting it to the respective signal ports The signals are simple 1 0 on off signals List o...

Страница 45: ...ion has Water Temperature Control as default However when a room temperature sensor is connected to the unit and a more precise control of room temperature where the sensor is placed is preferred Room Temperature Control mode can be selected And the ideal room temperature can be set via this parameter Note When Room Temperature Control mode is selected system will not operate under the heating cur...

Страница 46: ...parameter D3 D5 D7 D9 and DB should be in negative direction or say in other way D3 D5 D7 D9 DB otherwise the setting of the value may not saved Parameter No Meaning Range Default Value D3 D4 D5 D6 D7 D8 D9 DA DB DC Ambient Temp 1 Ambienttemp 1 Vs Water Temp 1 Ambient Temp 2 Ambienttemp 2 Vs Water Temp 2 Ambient Temp 3 Ambienttemp 3 Vs Water Temp 3 Ambient Temp 4 Ambienttemp 4 Vs Water Temp 4 Ambi...

Страница 47: ... Usage 47 As shown here actual set water temperature TSha is calculated according to actual ambient temperature Ta according to this created curve A C B D E DC DA D8 D6 D4 DB D9 D7 D5 D3 Tsha TSh T Ta Ta ...

Страница 48: ...e value of the blinking value Press SET to confirm the input password If the password is correct Advanced Setting mode is activated If the password is incorrect it exits to OFF mode Operation in Advanced Setting menu Complete Advanced Setting menu is divided into 6 groups Group 0 Group E When Advanced Setting menu is activated press to switch between each group Group 0 A B C D E press Press or to ...

Страница 49: ... the output signals of the indoor control system When this function is activated indoor control system will activate the relay on the PCB when correspondent port on PCB is short connected 0 Parameter No Meaning Range Default Value 0 0 normal 1 testing Indoor Control System Working Mode Port On PCB Relay Output Funtion ES FS HS CS IRES ES FS ES HS ES CS ES IRES CS HS W W EVC EVW SH AS HW PUMPH PUMP...

Страница 50: ...ch If it is set to any value except 0 unit starts to check the statue of flow switch after unit circulation pump starts for this set time If flow switch is in open statue at this time unit will show failure code 00 P7 which means not enough water flow rate Note If unit circulation pump is OFF flow switch should in open statue as there should has no flow in the system If not unit will take it as th...

Страница 51: ...to adjust the value of the blinking value Parameter No Meaning Range Default Value 4 0 Cooling Buffer Tank 0 no 1 yes This parameter is used to set whether the system has a buffer tank for cooling operation It is more related to the control of circulation pump for cooling system If there has no buffer tank included in the cooling system circulation pump for cooling system will work only when the u...

Страница 52: ...e its speed Max Allowed Duration For Min Compressor Speed When unit output is higher than demand compressor speed will be reduced If compressor has continuously work in minimum compressor speed for over time set via Max Allowed Duration For Min Compressor Speed unit stops NOTE Parameter 9 and Parameter 0a are used by the installer only to limit the function of the unit By setting the parameter to ...

Страница 53: ...5 20 in A5 18 Heating Cirulation Pump Stop Temperature A4 20 20 50 in 18 50 in Heating Circulation Pump Start Temperature Parameter No Meaning Range Default Value Parameter No Meaning Range Default Value A4 20 20 50 in Heating Circulation Pump Start Temperature Heating Cirulation Pump Stop Temperature A5 18 18 50 in Cooling Circulation Pump Start Temperature 18 5 20 in A6 Cooling Cirulation Pump S...

Страница 54: ...rature for anti legionella function set in Advanced Menu even once then unit will activate anti legionella operation at Anti legionella function starting time Heat Pump will heat the water up to 58 together with Auxiliary Heater or Hot Water Back up Heater to get the set Anti Legionella Set Temperature and keep this temperature for Anti Legionella Duration time Anti Legionella operation is finishe...

Страница 55: ...mbient Temperature Secondary Anti freezing Ending Water Temperature Secondary 5 20 in B9 15 Anti freezing Starting Water Temperature Secondary 0 10 in 2 B8 Anti freezing Ending Ambient Temperature Secondary 5 0 10 in B7 Anti freezing Starting Ambient Temperature Secondary 2 0 4 in B6 Anti freezing Starting Ambient Temperature Primary 5 10 in B5 5 Anti freezing Function B4 1 0 invalid 1 valid Param...

Страница 56: ...lowable Set Water Temperature in Heating Mode 0 not exceeds compressor maximum allowable water temperature 40 65 maximum allowable set water temperature in heating mode C5 42 In heating mode compressor can only work till maximum 58 water temperature But in some real cold days this temperature may still not enough for keep heating up the house then a higher allowable temperature can be set here to ...

Страница 57: ...n both be used as extal heating source for heating mode the Priority Of Backup Heating Sources For Heating Mode Compared With Unit Auxiliary Heater can be set to choose Backup Heating Sources For Heating Mode or unit Auxiliary Heater is preferred to be activated first 45 Parameter No Meaning Range Default Value Group E List of parameters Group D Please check the introduction on page 45 E1 E2 E3 E4...

Страница 58: ...y Operation and temperature for heating has dropped over Allowable Temp Drift In Heating in Shifting Priority Operation based on set heating temperature unit switch to heating After switch to heating operation if it gets the set temperature for hot water or it has been working in heating operation for over Heating Max Working Hours in Shifting Priority Operation unit switch back to hot water This ...

Страница 59: ...n unit is in ON OFF mode and has some failure which part has this failure and the failure code will be shown as follows 00 indoor unit 01 compressor system 1 02 compressor system 2 03 Wired controller Failure code or protection code ...

Страница 60: ...a certain period of time unit stops until repowered with 01 02 F7 failure code also shown on the display Check whether fan motor and water pump is working OK whether condensor is blocked whether water temperature too high and whether water inlet outlet temperature has too big difference should no bigger than 8 Compressor shut down due to high pressure switch or low pressure switch if have open cau...

Страница 61: ...it should be a wrong Eeprom setting on the power PCB Condensing pressure sensor failure High pressure switch failure High low pressure switch failure if system has low pressure switch Possible Reasons And Solutions Compressor speed down due to abnormal low pressure detected by evaporating pressure sensor 01 02 PE Comprssor stops Check whether condensing temperature sensor is open short circuit or ...

Страница 62: ...whether system has not enough refrigerant or leakage inside more likely it is not enough refrigerant that caused this abnormal evaporating pressure whether fan motor and water pump is working OK whether condensor is blocked whether EEV whether EEV works normally whether water temperature too high in heating hot water mode and whether water inlet outlet temperature has too big difference in cooling...

Страница 63: ...nnected well Compressor phase current overload over current Compressor driver failure Check whether compressor drive PCB is broken or cable to compressor is wrong connected or compressor is broken Module VDC over high low voltage failure Input voltage too high or too low Check if outdoor drive PCB is broken replace it AC current failure Check the current to outdoor unit and compare it with the uni...

Страница 64: ...stem 1 indoor coil temp sensor failure Possible Reasons And Solutions Check whether ambient temperature sensor is open short circuit or value drifts too much Replace it if necessary For a dual compressor system ambient temperature sensor for both compressor systems need to be replaced as this failure happens only when both sensors can t give the correct temperature reading For dual compressor syst...

Страница 65: ... much Check whether communication cable is correctly connected check whether communication cable is longer than 30M whether there has a source of the disturbance nearby the unit Replace the operation panel or indoor PCB if necessary Unit recovers when communication recovers If a external control unit is connected and have communication unit keeps on working if no external control unit is connected...

Страница 66: ...n a certain period of time If so it can only be recovered by repowering the unit Unit will restart after 3 minutes System water flow rate is less than minimum allowable flow rate If the same protection happens over 3 times in certain period of time unit will not restart and show too small water flow rate failure Check the water system especially the filter check the working statue of water pump Ch...

Страница 67: ...ambient temperature and water temperature is low water system has the risk of freezing up Thus it is necessary to havethe circulation pump starts to circulate the water in the system for anti freezing purpose Water system anti freezing protection stage 2 Compressor starts automatically When unit is turned OFF if ambient temperature and water temperature is too low unit will start to work automatic...

Страница 68: ... is short connected or not If not please use a jumper to short connect this port If there has no water flow switch installed in outdoor unit please check whether LOW port on outdoor PCB is short connected or not If not please use a jumper to short connect this port Water flow switch failure preserved for monoblock unit that has water flow switch installed in outdoor unit only Compressor stops LED ...

Страница 69: ...vice will not be used 4 2 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 is recommended that it be cleaned once in the first month and then once half a year 4 3 Cleaning of plate heat exchanger Thanks to the normally very high degree of turbulence in the heat exchanger there is a self cleaning effe...

Страница 70: ...and lower heating or cooling efficiency If the refrigerant leaks inside the house please keep windows open for few minutes even R410A refrigerant do no harm to health Refrigerant charge can only be done in cooling operation Please proceed as followings 4 5 6 7 70 Note Always use a weight scale to measure the gas amount charged into the unit Needle valve AWH9 11 V5 Needle valve Pressure gauge R410A...

Страница 71: ...cide the unit may be damaged The cleanser special made for air conditioner cleaning is recommended 4 Spray air conditioner cleanser into the coils Let the cleaner sit for 5 8 minutes 5 Then spray the 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 Afte...

Страница 72: ...le connected to the indoor control PCB Cut water supply to the unit and drain out water in the monoblock unit away Use a wrench to loosen the connectors of water pump and take the pump out from the unit Connect a new pump back to water system and electric system of the unit Quick connector Connector Wrench Water pump Wrench Take out the pump 1 2 3 4 6 2 Replacement of water pump 72 ...

Страница 73: ... unit 4 7 1 Maintenance of controller take off the top cover of the unit Take off the electric box cover Do necessary maintenance work to the controller of monoblock outdoor unit 1 Cut off the power supply 2 3 Top cover Electric box cover 1 2 3 73 ...

Страница 74: ...ke off screws of the front grill Use a wrench to loosen the nut for fan blade and take out the fan blade Take off the screws of fan motor Plug out power cable for fan motor from PCB 5 Put the repaired or new fan motor back and connect all cables back 1 Cut off the power supply 2 3 4 74 ...

Страница 75: ...Cable connected to fan motor capacitor 4 4 Maintenance 5 75 ...

Страница 76: ...ate heater see picture 1 Disconnect the quick connector for bottom plate heater and take the heater out see picture 2 Put a new bottom plate heater back and connect it to the quick connector see picture 3 1 Cut off the power supply 2 3 4 bottom plate heater 2 3 bottom plate heater quick connector 4 4 Maintenance 76 ...

Страница 77: ...ng the air out 3 Check all the valves to ensure they are fully opened 4 Clean the water filter Cause Solution 1 Check the power supply 1 Too much refrigerant 2 Air exists in refrigerantion system 3 Inadequate water flow 4 Too high water temperature 1 Discharge all refrigerant and charge the unit again with right amount 2 Discharge all refrigerant and charge the unit again with right amount 3 Check...

Страница 78: ... unit restarts the compressor will start 3 minutes later self protection of compressor please check if the circuit breaker is disconnected and if there is normal power supply for the wire controller 1 Low capacity Check if the air inlet or outlet is blocked in outdoor unit check if the setting temperature is too high in cooling mode or too low in heating mode 2 4 Maintenance 78 ...

Страница 79: ...5 1 Outlines and dimensions 5 Attached drawing Unit mm Indoor control unit 79 430 500 20 211 500 525 196 ...

Страница 80: ...5 Attached drawing Monoblock unit AW9 V5 80 157 95 60 317 156 1065 754 693 1053 343 354 50 ...

Страница 81: ...5 Attached drawing Monoblock unit AW11 V5 Unit mm 81 1204 1215 690 761 121 60 134 385 115 417 403 50 ...

Страница 82: ... drawing Indoor control unit 82 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Front panel Wire controller kit Electric box cover Indoor PCB Electric system Water pump kit Pressure relief valve kit Water flow switch Box Bracket NO Name ...

Страница 83: ...essor Suction Temp Sensor Compressor Plate Heat Exchanger Condensing Coil Temp Sensor Water Inlet Temp Sensor Ambient Temp Sensor Coil For E E V Low Pressure Sensor Coil for Four way Reserving Valve Outdoor PCB Board Name Compressor Discharge Temp Sensor Plate Heat Exchanger PFC Conductor DC Motor Electrical Filter 4 way Reserving Valve Module Assembly High Pressure Sensor High Pressure Switch Fan...

Страница 84: ...cifications are subject to change without prior notice For actual specifications of the unit please refer to the specification stickers on the unit 5 Attached drawing 5 3 Wiring diagram Indoor control unit AWH9 11 V5 84 ...

Страница 85: ...5 Attached drawing Monoblock unit AWH9 11 V5 85 ...

Страница 86: ...low the instructions to operate the unit in order to prevent damages on the device or injuries to staff R120400534 V1 1 August 2017 Specifications are subject to change with product improvements without prior notice Please refer to the specification sticker on the unit for upgraded specifications ...

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