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BIBLOC UNIT - AEROTHERM V17

Service Manual

English

www.mundoclima.com

SO30160 to SO30172

Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully
and keep it for future reference.

Summary of Contents for Bibloc Aerotherm V17

Page 1: ...AEROTHERM V17 Service Manual English www mundoclima com SO30160 to SO30172 Thank you very much for purchasing our product Before using your unit please read this manual carefully and keep it for futur...

Page 2: ...x 17 7 Performance data 18 7 1 Heating capacity for 220 240 1 50 products 18 7 2 Heating capacity for 380 415 3 50 products 25 8 System diagram 28 8 1 System diagram for outdoor unit 28 8 2 System dia...

Page 3: ...ed curves 78 12 2 DIP switch settings 81 12 3 Initial start up at low outdoor ambient temperatures 81 12 4 Pre operation checks 82 12 5 Powering up the unit 83 12 6 Setting the pump speed 83 12 7 Fail...

Page 4: ...ower supply Width 400 Height 865 Depth 427 51 57 220 240 50Hz 1Ph Width 400 Height 865 Depth 427 54 60 220 240 50Hz 1Ph Width 400 Height 865 Depth 427 54 60 380 415 50Hz 3Ph UE BIBLOC AEROTHERM V17 4K...

Page 5: ...4 1 2 External appearance 1 2 1 Outdoor units 4 6kW 8kW 1Ph 10 16kW 3Ph 12 16kW Service Manual Aerotherm V17...

Page 6: ...5 1 2 1 Hydronic box Service Manual Aerotherm V17...

Page 7: ...ion ambient temperature range Wide water outlet temperature range Ambient Temp range Water outlet Temp range DC inverter technology to guarantee optimal operational reliability and efficiency Offers h...

Page 8: ...r pump cycle time and save energy Priority setting function and multi modes choice Special functions such as air purge preheating for floor and floor drying up for special use Independent hydronic box...

Page 9: ...A A Water outlet 55 A A A Power supply V Ph Hz 220 240 1 50 Maximum Overcurrent Protection MOP A 20 0 22 0 Minimum Circuit Amps MCA A 18 0 20 0 Dimension W H D mm 960 860 380 1075 965 395 Packing W H...

Page 10: ...410A 2 5 R410A 2 8 Throttle type Electric expansion valve Ambient temperature range Cooling 5 46 5 46 Heating 20 35 20 35 Sanitary hot water 20 43 20 43 MOP Maximum Overcurrent Protection MCA Minimum...

Page 11: ...35 A A A A Water outlet 55 A A A A Power supply V Ph Hz 220 240 1 50 Maximum Overcurrent Protection MOP A 35 35 35 35 Minimum Circuit Amps MCA A 30 30 32 32 Dimension W H D mm 900 1327 400 Packing W H...

Page 12: ...y kg R410A 3 9 Throttle type Electric expansion valve Ambient temperature range Cooling 5 46 Heating 20 35 Sanitary hot water 20 43 MOP Maximum Overcurrent Protection MCA Minimum Circuit Amps Nominal...

Page 13: ...35 A A A Water outlet 55 A A A Power supply V Ph Hz 380 415 3 50 Maximum Overcurrent Protection MOP A 18 18 18 Minimum Circuit Amps MCA A 15 15 16 Dimension W H D mm 900 1327 400 Packing W H D mm 103...

Page 14: ...4 2 Throttle type Electric expansion valve Ambient temperature range Cooling 5 46 Heating 20 35 Sanitary hot water 20 43 MOP Maximum Overcurrent Protection MCA Minimum Circuit Amps Nominal capacity i...

Page 15: ...del RS15 6 RKC RS25 7 5 RKC RS25 7 5 RKC Pump head m 6 7 5 7 5 Refrigerant circuit Liqiud side Dia mm 9 5 9 5 9 5 Gas side Dia mm 15 9 15 9 15 9 Mounted Back up E heater Size kW 3 0 3 4 5 Step 2 2 2 M...

Page 16: ...ture T4 Ambient temperature No heat pump operation backup E heater or boiler only Domestic hot water mode T1 Leaving water temperature T4 Ambient temperature No heat pump operation backup E heater or...

Page 17: ...room sound pressure 1 0m Microphone Outdoor Unit 1 4m UE BIBLOC AEROTHERM V17 4KW UE BIBLOC AEROTHERM V17 6KW UE BIBLOC AEROTHERM V17 8KW UE BIBLOC AEROTHERM V17 10KW UE BIBLOC AEROTHERM V17 12KW UE...

Page 18: ...gnal wire between outdoor unit and hydronic box Energy label 1 For hydronic box 6 2 Accessories for hydronic box Name Shape Quantity Note Indoor unit installation owner s manual 1 For hydronic box ins...

Page 19: ...5 3 32 1 00 3 33 2 43 0 89 2 73 1 59 0 74 2 16 15 12 4 86 0 83 5 87 4 12 0 76 5 42 3 52 0 77 4 56 2 71 0 73 3 71 2 19 0 67 3 26 1 95 0 72 2 72 1 43 0 61 2 35 20 15 4 72 0 79 5 99 4 22 0 78 5 39 3 78 0...

Page 20: ...11 2 05 15 12 7 27 1 30 5 60 6 19 1 20 5 15 5 25 1 20 4 36 4 03 1 15 3 51 3 25 1 05 3 10 2 28 0 88 2 60 1 45 0 67 2 16 20 15 7 08 1 24 5 70 6 32 1 23 5 12 5 65 1 18 4 77 4 80 1 10 4 35 3 96 1 06 3 75...

Page 21: ...1 90 15 12 11 30 1 97 5 75 9 72 1 92 5 07 8 23 1 97 4 19 6 79 1 81 3 74 5 44 1 98 2 75 4 14 1 70 2 44 2 95 1 47 2 00 20 15 12 98 2 00 6 48 10 81 1 89 5 73 8 92 1 80 4 95 7 41 1 71 4 33 6 12 1 72 3 55...

Page 22: ...2 37 15 12 12 12 2 04 5 95 10 75 1 91 5 64 9 87 2 04 4 85 9 26 2 25 4 12 8 75 2 48 3 53 7 98 2 71 2 94 4 62 2 04 2 26 20 15 11 79 1 54 7 68 10 32 1 57 6 58 8 54 1 49 5 73 8 09 1 68 4 81 7 57 1 88 4 0...

Page 23: ...29 15 12 14 32 2 49 5 74 12 70 2 33 5 44 11 66 2 49 4 68 10 95 2 76 3 97 10 34 3 04 3 40 9 43 3 32 2 84 5 46 2 50 2 18 20 15 13 94 1 88 7 41 12 20 1 92 6 35 10 09 1 83 5 52 9 56 2 06 4 64 8 95 2 30 3...

Page 24: ...17 15 12 15 98 2 94 5 43 14 17 2 76 5 14 13 01 2 94 4 42 12 21 3 25 3 76 11 53 3 58 3 22 10 51 3 92 2 68 6 09 2 96 2 06 20 15 15 54 2 22 7 00 13 60 2 27 6 00 11 26 2 16 5 22 10 66 2 43 4 38 9 98 2 72...

Page 25: ...14 15 12 17 63 3 29 5 36 15 63 3 08 5 08 14 36 3 29 4 37 13 47 3 63 3 71 12 72 4 00 3 18 11 60 4 37 2 65 6 72 3 29 2 04 20 15 17 15 2 48 6 92 15 01 2 53 5 93 12 42 2 41 5 16 11 76 2 72 4 33 11 01 3 0...

Page 26: ...59 2 92 6 19 2 63 2 35 15 12 14 28 2 28 6 26 13 43 2 46 5 45 12 62 2 66 4 74 11 80 2 87 4 11 11 14 3 09 3 60 10 39 3 40 3 06 5 67 2 51 2 26 20 15 14 04 1 92 7 33 12 82 1 99 6 44 11 64 2 09 5 57 10 51...

Page 27: ...15 12 16 44 2 72 6 04 15 45 2 94 5 26 14 52 3 17 4 58 13 58 3 43 3 96 12 82 3 69 3 47 11 96 4 05 2 95 6 53 3 00 2 18 20 15 16 16 2 29 7 07 14 75 2 38 6 21 13 40 2 50 5 37 12 10 2 62 4 62 11 36 2 83 4...

Page 28: ...15 12 17 57 2 97 5 91 16 52 3 21 5 15 15 52 3 46 4 48 14 52 3 74 3 88 13 70 4 03 3 40 12 78 4 42 2 89 6 98 3 28 2 13 20 15 17 27 2 50 6 92 15 77 2 59 6 08 14 32 2 72 5 26 12 93 2 86 4 52 12 14 3 08 3...

Page 29: ...28 8 System diagram 8 1 System diagram for outdoor unit Service Manual Aerotherm V17...

Page 30: ...29 8 2 System diagram for hydronic box Service Manual Aerotherm V17...

Page 31: ...mal display OFF display 0 ON display frequency Capacity Requirements 1 Mode 0 Off 2 Cool 3 Heat 4 Force Cool 3 4 Capacity Requirements Correct E9 H8 HP Fan Speed 6 0 2 7 Tp 1 3 4 T3 5 T4 Sequence Cont...

Page 32: ...temperature sensor malfunction EA T5 temperature sensor malfunction H8 Pressure sensor malfunction HP HH C7 IPM high temperture protection L0 L1 L2 L5 L9 L8 L4 L7 Zero speed protection MCE malfunction...

Page 33: ...r a tr ix lo w vo lta g e p r o te ctio n DC g e n e r a tr ix h ig h vo lta g e p r o te ctio n Ph a se se q u e n ce p r o te ctio n Tw ice H 6 in 1 0 m in u te s CO DE PART NAME Co m p re sso r HE...

Page 34: ...33 Service Manual Aerotherm V17...

Page 35: ...ult between controller and hydro box E3 T1 temp sensor fault E4 water tank temp sensor T5 fault E8 water flow fault H3 T2B temp sensor fault H9 T1B temp Sensor fault Temp Sensor code T2 T2B B 4100K R...

Page 36: ...n or Protection Tw_in temp senso fault water flow fault after 3 times E8 C ommunication fault betw een hydro box and outdoor unit T2 temp sensor fault Hydro box PCB EEPROM fault Tw_out temp sensor fau...

Page 37: ...f the outdoor unit 4 8kW 10 16kW Push the grill to the left until it stops Then pull its right edge the grill can now be removed You can also reverse the procedure Exercise caution to avoid a possible...

Page 38: ...the manometer and user interface The indoor unit cover can be removed by removing the 6 side screws and unhitching the cover To gain access to the control box components the control box service panel...

Page 39: ...s 5 L 4 Refrigerant liquid connection 5 Refrigerant gas connection 6 Temperature sensors Four temperature sensors determine the water and refrigerant temperature at various points in the water circuit...

Page 40: ...1 15 2 Functional diagram of hydraulic compartment 1 Air vent valve 2 Backup heater vessel with backup heater 3 Expansion vessel 4 Refrigerant liquid connection 5 Refrigerant gas connection 8 Manomete...

Page 41: ...pply N 5 Power supply L 6 Transformer output port 7 BLACK T3 temperature sensor port WHITE T4 temperature sensor port 8 TP temperature sensor port 9 YELLOW High pressure switch RED Low pressure switch...

Page 42: ...U V W U V W 3 Input port N for IPM module N 4 Input port P for IPM module P 5 Input port for PFC inductance P1 6 Input port for bridge Rectifiers P5 7 Input port for Bridge Rectifiers P6 8 Output port...

Page 43: ...42 1Ph 10 16kW products PCB A description 10 11 13 9 8 7 6 1 2 3 4 5 PCB A 12 Service Manual Aerotherm V17...

Page 44: ...43 PCB B description 3Ph 12 16kW products 20 19 18 25 17 16 23 22 21 9 10 15 26 14 13 12 1 2 3 4 5 6 7 8 24 11 Service Manual Aerotherm V17...

Page 45: ..._1 6 Power supply for load CN18 7 Power supply for main control board CN19 8 Power filtering L1 9 Power filtering L2 10 Power filtering L3 11 Ground wire GND_2 PCB B description PCB A 1 2 3 4 5 6 7 11...

Page 46: ...y for hydro box 13 PFC control port CN63 14 Reserved CN64 15 Port for 4 way value CN65 16 Port for electric heating tape 17 PTC control CN67 CN66 18 Reserved CN68 19 Port for down fan CN19 20 Port for...

Page 47: ...N8 6 Communicate port between outdoor unit and hydronic box PCB CN14 7 Communicate port between hydronic box PCB and user interface CN19 8 Port for temperature sensors TW_out TW_in T1 T2 T2B CN6 9 Por...

Page 48: ...hermostat CN3 11 Installation 11 1 Installation for outdoor unit 11 1 1 Installation place for outdoor unit Please keep the unit away from the following places or malfunction of the machine may be cau...

Page 49: ...appliances Noise may be generated depending on the conditions under which the electric wave is generated even if 1 meter is kept The insulation of the metal parts of the building and the heater pump...

Page 50: ...49 4 6kW Note The drain hole is covered by rubber plug the bigger hole can be opened in field if necessary 8kW Service Manual Aerotherm V17...

Page 51: ...50 10 16kW Unit installation dimensions Single unit installation Service Manual Aerotherm V17...

Page 52: ...n is frost free The space around the unit is adequate for serving The space around the unit allows for sufficient air circulation There is a provision for condensate drain and pressure relief valve bl...

Page 53: ...52 11 2 2 Unit dimensions and service space unit mm Front view Back view Upward view Dimensions of the wall bracket Required service space Service Manual Aerotherm V17...

Page 54: ...e control box or piping to lift the unit Two lifting bars are provided to lift the unit 11 2 4 Mounting the indoor unit Fix the wall mounting bracket to the wall using appropriate plugs and screws Mak...

Page 55: ...unit and outdoor unit the length of refrigerant pipe and the number of the bends meet the following requirements Models 4 6kW 8kW 10 16kW Max piping length 20m 30m 50m Max height difference when outd...

Page 56: ...55 Service Manual Aerotherm V17...

Page 57: ...n airtight test Charge pressured nitrogen after connecting indoor outdoor unit pipes to do airtight test Pressured nitrogen 4 3MPa 44kg cm2 for R410A should be used in the airtight test Tighten high p...

Page 58: ...ng diameter Refrigerant Refrigerant to be added per meter piping 9 5 R410A 0 054kg 11 4 Electrical wiring Please select power source for indoor unit and outdoor unit respectively The power supply has...

Page 59: ...le cord must meet 60245IEC H05RN F standards Wrong signal wire connection between outdoor unit and hydronic box may cause malfunction Seal the wiring connection with the insulation material or the con...

Page 60: ...tor cable supplied with the domestic hot water tank is 10m in length In order to optimize efficiency we recommend installing the 3 way valve and the domestic hot water tank as close as possible to the...

Page 61: ...in the water circuit remains possible Checking the water circuit The units are equipped with a water inlet and outlet for connection to a water circuit This circuit must be provided by a licensed tech...

Page 62: ...alculating the pre pressure of the expansion vessel Check if the water volume is lower than maximum allowed water volume use graph below Expansion vessel of the unit too small for the installation Ins...

Page 63: ...cuit proceed as follows 1 Determine the calculated pre pressure Pg for the corresponding maximum water volume using the graph below 2 Check that the total water volume in the entire water circuit is l...

Page 64: ...lume 210 L the expansion vessel suffices for the installation When it is required to change the default pre pressure of the expansion vessel 1 bar keep in mind the following guidelines Use only dry ni...

Page 65: ...g a 3 way valve in the water circuit Preferably choose a ball type 3 way valve to guarantee full separation between the domestic hot water and floor heating water circuit When using a 3 way valve or a...

Page 66: ...on of glycol as mentioned in the table below When glycol is added to the system the performance of the unit is affected The correction factor of the unit capacity flow rate and pressure drop of the sy...

Page 67: ...inhibitors is selected to counteract acids formed by the oxidation of glycols That in case of an installation with a domestic hot water tank only the use of propylene glycol is allowed In other insta...

Page 68: ...least 13 mm with 0 039 W mK in order to prevent freezing on the outside water piping If the temperature is higher than 30 C and the humidity is higher than RH 80 then the thickness of the sealing mat...

Page 69: ...th the pipes especially on the high pressure side Secure the electrical wiring with cable ties as shown in figure so that it does not come in contact with the piping particularly on the high pressure...

Page 70: ...ly F P_s Solar pump field supply G P_c Mixing pump field supply H P_o Outside circulation pump field supply I P_d DHW pump field supply J SV2 2 way valve field supply K SV1 3 way valve for domestic ho...

Page 71: ...e for backup heater AC 2 GND 1 Ph 3 GND 3Ph 14A 1Ph 6A 3 Ph 17 Power supply cable for solar pump AC 2 200mA a 18 Power supply cable for mixing pump AC 2 200mA a 19 Power supply cable for outside circu...

Page 72: ...er supply This power circuit must be protected with the required safety devices according to local laws and regulations Select the power cable in accordance with relevant local laws and regulations Fo...

Page 73: ...nt is greater than 0 2A the load must be controlled through AC contactor STV1 STV2 A1 A2 R1 R1 and DTF1 DTF2 wiring terminal ports provide only the switch signal TBH electric heating power is less tha...

Page 74: ...Connect the valve cable to the appropriate terminals as shown in the picture 2 Fix the cable with cable ties to the cable tie mountings to ensure stress relief For 3 way value SV1 Voltage 220 240VAC...

Page 75: ...the cable tie mountings to ensure stress relief For remote shutdown For tank loop pump P_d and mix pump P_c Voltage 220 240VAC Maximum running current 0 2A Wiring size 0 75mm2 Procedure 1 Connect the...

Page 76: ...l to the unit turns on the unit Both room thermostats sent OFF signals to the unit will the unit turn off The operation mode can be set in the user interface When the room thermostat is installed the...

Page 77: ...nly sends a turn on off signal to the booster heater An additional circuit breaker is needed and a dedicated terminal is needed to supply power to the booster heater Procedure 1 Connect the cable to t...

Page 78: ...cture 2 Fix the cable with cable ties to the cable tie mountings to ensure stress relief For user interface Please use shield wire and earth the wire Wire type 5 core shield cable Wire section AWG18 A...

Page 79: ...climate installed options etc and user expertise 12 1 Climate related curves The climate related curves can be selected in the user interface Once the curve is selected the target outlet water tempera...

Page 80: ...re C Ambient temperature C Low temperature curves for heating mode Curve 1 Curve 2 Curve 3 Curve 4 Curve 5 Curve 6 Curve 7 Curve 8 Target outlet water temperature C Ambient temperature C 33 38 43 48 5...

Page 81: ...25 10 0 10 20 30 40 50 Low temperature curves for cooling mode Curve1 Curve 2 Curve3 Curve4 Curve 5 Curve6 Curve7 Curve 8 Ambient temperature C Target outlet water temperature C 12 14 16 18 20 22 24...

Page 82: ...contractor for further details The lowest water flow set temperature can be decreased to a value between 25 C and 35 C by adjust Description ON OFF S1 1 Selection of refrigerant pipe length 60 of Max...

Page 83: ...get to turn on the backup heater circuit breaker in the switch box it depends on the backup heater type Refer to the wiring diagram Booster heater circuit breaker Do not forget to turn on the booster...

Page 84: ...99 is displayed on the user interface during initialization During this process the user interface cannot be operated 12 6 Setting the pump speed The pump speed can be selected by adjusting the red k...

Page 85: ...nstant speed Q m3 h Q m h 4300 1 min 3400 1 min 2390 1 min 800 1 min m ax Q l s Q lgpm 40 20 0 0 3 0 0 5 1 0 1 5 2 0 2 5 Wilo Yonos PARA R5 15 6 25 6 30 6 1 230V Rp1 2 RP1 Rp1 4 1 W Models 4 to 8kW Se...

Page 86: ...isplay lights up continuously green it means the pump is running normally 1 phase 10 16kW 3 phase 12 16kW p kPa Constant speed 80 60 40 20 0 0 0 0 80 40 0 0 1 2 3 4 P 1 W 0 2 0 4 0 6 0 8 1 0 1 2 Q l s...

Page 87: ...a permanent failure and the pump should be changed If the LED does not light up it means no power supply to the pump possibly the pump is not connected to power supply Check the cable connection If th...

Page 88: ...lable These settings are accessible and programmable through FOR SERVICEMAN in user interface To change one or more field settings proceed as follows 12 8 1 About FOR SERVICEMAN FOR SERVICEMAN is desi...

Page 89: ...e DHW mode TANK HEATER Set whether the booster heater is available or not DISINFECT Set the parameters for disinfection DHW PRIORITY Set the priority between domestic hot water heating and space opera...

Page 90: ...actual temperature of domestic hot water When T5 drops to a certain temperature T5 T5S dT5_ON the heat pump will be available dT1S5 is the correct value for the target outlet water temperature T1S T5...

Page 91: ...TANK HEATER and select Yes when OK pressed the following page will appear Use and to scroll and adjust parameters Use BACK to exit dT5_TBH_OFF is the temperature difference between T5 and T5S that tu...

Page 92: ...is unavailable the dT5_ON cannot be adjusted and is fixed at 2 To enable disinfect function Go to MENU FOR SERVICEMAN DHW MODE SETTING 1 3 DISINFECT and select YES when OK pressed the following page w...

Page 93: ...he function of the DHW PRIORITY is used to set the operation priority between domestic water heating and space heating cooling operation You can use and to scroll and adjust parameters Use BACK to exi...

Page 94: ...the DHW pump P_d is available Go to FOR SERVICEMAN DHW MODE SETTING 1 5DHW PUMP and select YES when OK pressed the following page will appear You can use and to scroll and adjust parameters Use BACK t...

Page 95: ...cool mode When the cursor is on T1S RANGE use to select the range of outlet water temperature When LOW is selected the minimum target temperature is 5 C If the climate related curve function is selec...

Page 96: ...Only when the Ta is high enough will the unit turn on and the unit will turn off if the Ta drops to a certain value Only when the ROOM TEMP is enabled will this function be available See picture belo...

Page 97: ...target temperature is 60 C If the climate related curve function is select the curve selected is the high temperature curve When the cursor is on T4HMAX T4HMIN dT1SH dTSH or t_INTERVAL_H Use and to s...

Page 98: ...will turn off if the Ta high enough See diagram below Only when ROOM TEMP is enabled will this function be available t_INTERVAL_H is the compressor start time interval in heat mode When the compresso...

Page 99: ...erature for heating in auto mode The unit will turn off if the ambient temperature is higher when in space heating operation The relationship between heat pump operation and ambient temperature is des...

Page 100: ...d by room thermostat the timer function is unavailable In DUAL ROOM THERMOSTAT if YES is selected the ROOM THERMOSTAT MODE SETTING will turn to NON automatically and the WATER FLOW TEMP and ROOM TEMP...

Page 101: ...he backup heater If the ambient temperature rises above T4_IBH_ON the backup heater will be unavailable The relationship between operation of the backup heater and the ambient is shown in the picture...

Page 102: ...backup heater turns on If an additional heating source is available please select YES at the corresponding position Press OK and the following page is displayed When the cursor is on HEAT MODE or DHW...

Page 103: ...the temperature difference between T1S and T1 for turning the additional heating source off when T1 T1S dT1_AHS_OFF the additional heating source will turn off t_AHS_DELAY is the time that the compre...

Page 104: ...liday away mode T1S_H M_DHW is the target outlet water temperature for water heating when in holiday away mode 12 8 9 ECO COMFORT MODE SETTING The ECO COMFORT MODE SETTING is used to set the target ro...

Page 105: ...M TEMP COMFORT COOL FLOW TEMP is the target outlet water temperature when in COMFORT COOL mode COMFORT COOL ROOM TEMP is the target room temperature when in COMFORT COOL mode This value will be useful...

Page 106: ...umber displayed on the user interface is the phone number of your local dealer 12 8 10 RESTORE FACTORY SETTINGS The RESTORE FACTORY SETTING is used to restore all the parameters set in the user interf...

Page 107: ...ng recommendations When the complete installation and all necessary settings have been carried out close all front panels of the unit and refit the unit cover The service panel of the switch box may o...

Page 108: ...en contact your local dealer Pressure relief valve hose Check that the pressure relief valve hose is positioned appropriately to drain the water Backup heater vessel insulation cover Check that the ba...

Page 109: ...in the system at least once a year PH value below 8 0 indicates that a significant portion of the inhibitor has been depleted and that more inhibitor needs to be added When the PH value is below 7 0...

Page 110: ...ral symptoms description Symptom 1 The unit is turned on but the unit is not heating or cooling as expected Possible causes Corrective action The temperature setting is not correct Check the controlle...

Page 111: ...ater pressure must be 1 bar water is cold Check that the manometer is not broken Check that the expansion vessel is not broken Check that the setting of the pre pressure of the expansion vessel is cor...

Page 112: ...sure that the DHW PRIORITY in the user interface is disabled Enable the T4_TBH_ON in the user interface FOR SERVICEMAN to activate the booster heater for domestic water heating 14 2 Parameters check...

Page 113: ...erant at outlet inlet of plate heat exchanger when in heat mode cool mode 10 Temperature of refrigerant at inlet outlet of plate heat exchanger when in heat mode cool mode 11 Temperature of water at o...

Page 114: ...y will show the present compressor frequency 0 will display if the unit is off or error code will display if error occurs Long press the check button and the digital display will show the operating mo...

Page 115: ...at outlet inlet of condenser when in cool heat mode 6 Ambient temperature 7 Discharge temperature 8 Suction temperature when the temperature lower than 0 stands for negative sign 9 The opening of EEV...

Page 116: ...ater temperature sensor T1 error 1 The T1 sensor connector is loosening Reconnect it 2 The T1 sensor connector is wet or there is water in remove the water make the connector dry Add waterproof adhesi...

Page 117: ...ect the wire in the right sequence 3 Whether there is a high magnetic field or high power interfere such as lifts large power transformers etc To add a barrier to protect the unit or to move the unit...

Page 118: ...r in remove the water make the connector dry Add waterproof adhesive 3 The T1B sensor failure change a new sensor HA The plate heat exchanger water outlet Temp sensor Twout error 1 The Twout sensor co...

Page 119: ...alve is working correctly And install the winding in the right location DHW mode Water tank heat exchanger is smaller than the required 1 7m2 10 16kW unit or 1 4m2 5 7kW unit Cooling mode 1 Heat excha...

Page 120: ...in system or pump head is not enough Release the air and reselect the pump 7 Water outlet temp sensor is loosening or broken reconnect it or change a new one 8 Water tank heat exchanger is smaller th...

Page 121: ...1 The water inlet outlet sensor wire connector is loosening Reconnect it 2 The water inlet outlet Twin Twout sensor is broken Change a new sensor 3 Four way valve is blocked Restart the unit again to...

Page 122: ...www mundoclima com ASK FOR MORE INFORMATION Phone 34 93 446 27 81 eMail info mundoclima com TECHNICAL ASSISTANCE Phone 34 93 652 53 57...

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