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10 / EN

Heat Pump Monobloc Inverter / User Manual

202202

Heat Pump Space Heater 8

2.3 Refrigerant Flow Diagram

Heating and domestic hot water operation (8,16KW for example)
Figure 2-3.1: Refrigerant flow during heating or domestic hot water operation

Cooling and defrosting operation (8,16KW for example)
Figure 2-3.2: Refrigerant flow during cooling and defrosting operations

Содержание GHP-MM08

Страница 1: ...8508043600 2422 01 01M 8508053600 2422 01 01M 8508063600 2422 01 01M 8503073600 2422 01 01M 8503083600 2422 01 GHP MM08 GHP MM10 GHP MM12 GHP MM14 GHP MM16 EN Service Manual Heat Pump Monobloc Invert...

Страница 2: ...r manual may also apply to other models Differences between models are explicitly described in the manual Meanings of the Symbols Following symbols are used in various sections of this user manual C I...

Страница 3: ...Diagram 10 Part 3 Control 11 3 1 Stop Operation 11 3 2 Standby Control 11 3 3 Startup Control 11 3 4 Normal Operation Control 13 3 5 Protection Control 13 3 6 Special Control 14 3 7 Role of Temperatu...

Страница 4: ...1 The full model names can be obtained by substituting the asterisk in the model name format given in the left hand column of the table above with the shortened model names given in the table For exa...

Страница 5: ...t Pump Monobloc Inverter User Manual 3 Heat Pump Space Heater 202202 Part 2 Component Layout and Refrigerant Circuit 2 1 Layout of Functional Components GHP MM08 Figure 2 1 1 top view Figure 2 1 2 fro...

Страница 6: ...6 EN Heat Pump Monobloc Inverter User Manual GHP MM10 Figure 2 1 3 top view Figure 2 1 4 front view GHP MM12 Figure 2 1 5 top view...

Страница 7: ...7 EN Heat Pump Monobloc Inverter User Manual Figure 2 1 6 front view GHP MM14 GHP MM16 Figure 2 1 7 top view...

Страница 8: ...8 EN Heat Pump Monobloc Inverter User Manual Figure 2 1 8 front view 2 2 Piping Diagram Figure 2 2 1 Piping diagram...

Страница 9: ...the upper limit the high or middle pressure switches will open and then turn off heat pump 5 Low pressure sensor Regulate refrigerant system pressure When refrigerant system pressure falls below the l...

Страница 10: ...Diagram Heating and domestic hot water operation 8 16KW for example Figure 2 3 1 Refrigerant flow during heating or domestic hot water operation Cooling and defrosting operation 8 16KW for example Fig...

Страница 11: ...er is off when the outdoor ambient temperature is below 5 C and the unit has just been powered on either manually or when the power supply has been restored from a breakdown the crankcase heater turns...

Страница 12: ...Position steps from 0 fully closed to 480 fully open controlled according to outdoor ambient temperature and in water temperature 4 way valve ON 3 3 4 Startup Control for Cooling Operation Table 3 3...

Страница 13: ...y open controlled according to in water temperature out water temperature and discharge temperature Four way valve OFF 3 4 2 Compressor Output Control The compressor rotation speed is controlled accor...

Страница 14: ...At power on EEV first closes fully and then moves to the standby position After a few seconds EEV moves to an initial running position which is determined according to operating mode inlet water tempe...

Страница 15: ...rs re start control 3 5 2 High Pressure Protection Control This control protects the compress from the over high refrigerant system pressure Figure 3 5 2 High pressure protection control When the disc...

Страница 16: ...temperature inlet water temperature and outlet water temperature When all the conditions below are met the unit will turn on the water side heat exchanger electric heater the current operation mode o...

Страница 17: ...ture 4 way valve OFF 3 6 2 Defrosting Operation In order to recover heating capacity the defrosting operation is conducted when the air side heat exchanger of the unit is performing as a condenser The...

Страница 18: ...8 EN Heat Pump Monobloc Inverter User Manual 202202 Heat Pump Space Heater 16 3 7 Role of Temperature Sensors in Control Functions Figure 3 7 1 Location of the temperature sensors of all models 8 16kw...

Страница 19: ...ronic expansion valve control DC fan control Crankcase heater control Heating Compressor startup control Compressor output control Electronic expansion valve control DC fan control Defrosting operatio...

Страница 20: ...est mode LCF_H 68 Hz 20 120 1 7 Compressor frequency in hot water test mode LCF_W 68 Hz 20 120 1 8 Cooling test mode EEV opening EEV_C 250 5 P 0 480 5 1 9 Heating test mode EEV 1 opening EEV_H 150 5 P...

Страница 21: ...oint Lo_A 0 20 0 1 30 Maximum temperature compensation A 5 0 10 1 31 Whether the high heating temperature shutdown is effective To enable high temp heating shutdown 0 0 1 0 disable 1 enable 1 32 Heati...

Страница 22: ...est mode AC fan speed TF 2 1 low speed 2 high speed 46 Chassis electric heating start temperature BHon 5 15 0 1 47 Minimum operating frequency Fmin 25 Hz 20 100 1 48 Heating mode switch HeatChange 0 0...

Страница 23: ...pen EEV_H 150 5 P 0 480 5 1 68 DHW test mode EEV 2 open EEV_W 150 5 P 0 480 5 1 69 Commercial mode heating frequency FreqTestH 60 Hz 20 100 1 70 Commercial mode heating EEV 1 open EEVTestH 1 250 5 P 0...

Страница 24: ...alve on delay 4 Way on time 10 S 1 100 1 87 Heat four way valve off delay 4 Way Off time 120 S 0 120 1 88 Target water temperature type In Out_Change 0 0 TA Inlet water 1 TB Outlet water 1 89 Outlet w...

Страница 25: ...EN Heat Pump Monobloc Inverter User Manual 97 T4 switch in TP protection TP Change 15 0 30 1 98 Water pressure check enable WPS 0 0 1 0 disable 1 enable 1 99 Compressor resonance point 5 FR5 0 Hz 0 12...

Страница 26: ...26 EN Heat Pump Monobloc Inverter User Manual 202202 Heat Pump Space Heater 24 3 9 Electric Wiring Diagram 3 9 1 GHP MM08 GHP MM10 GHP MM12...

Страница 27: ...27 EN Heat Pump Monobloc Inverter User Manual...

Страница 28: ...28 EN Heat Pump Monobloc Inverter User Manual 3 9 2 GHP MM14 GHP MM16...

Страница 29: ...29 EN Heat Pump Monobloc Inverter User Manual...

Страница 30: ...ter User Manual 202202 Heat Pump Space Heater 28 Part 4 Troubleshooting 4 1 Unit Electric Control Box Layout Figure 4 1 1 GHP MM08 Hydraulic module PCB Auxiliary terminal Main power supply terminal Dr...

Страница 31: ...Heat Pump Monobloc Inverter User Manual 29 Heat Pump Space Heater 202202 Figure 4 1 2 GHP MM10 GHP MM12 Drive PCB Hydraulic module PCB Main power supply terminal Auxiliary terminal Remote switch term...

Страница 32: ...Monobloc Inverter User Manual 202202 Heat Pump Space Heater 30 Figure 4 1 3 GHP MM14 GHP MM16 Drive PCB Refrigerant system PCB Main power supply terminal Hydraulic module PCB Auxiliary terminal Remote...

Страница 33: ...Model Number 8kw 10kw 12kw 14kw 16kw Refrigerant system module 1 1 1 Inverter module 1 Hydraulic module PCB 1 1 1 Total 2 2 3 The locations of each PCB in the unit electric control boxes are shown in...

Страница 34: ...g heater 6 K20 Relay Reserved 3kW 7 CON1 Terminals Reserved 8 TS7 High temperature protection switch for IBH 9 SW1 2 3 4 Dip switch 10 FLS Program update 11 PS1 Water pressure sensor 12 FS1 Internal p...

Страница 35: ...Refrigerant liquid temperature sensor 6 TH5 Discharge temperature sensor 7 TH7 Suction temperature sensor 8 TS3 HP2 Middle pressure switch 9 TS4 HP1 High pressure switch 10 TS5 LPS low pressure senso...

Страница 36: ...iquid temperature sensor 6 TH5 Discharge temperature sensor 7 TH7 Suction temperature sensor 8 TS3 HP2 Middle pressure switch 9 TS4 HP1 High pressure switch 10 TS5 LPS low pressure sensor 11 AC Power...

Страница 37: ...MM16 Drive PCB Table 4 2 5 GHP MM14 GHP MM16 Drive PCB Items Port label function 1 U V W Compressor output 2 JTAG Drive program update 3 FAN1 DC fan 4 FAN2 Reserved 5 K2 Relay for PFC 6 K1 Relay for...

Страница 38: ...COM_L I Communication with hydraulic module PCB 4 COM_D Communication with inverter module PCB 5 TH1 T3 Coil temperature sensor 6 TH2 T4 Outdoor ambient temperature sensor 7 TH3 T5 liquid temperature...

Страница 39: ...valve shifting failure P21 Built in DC water pump abnormal P24 Reserved P25 Outlet water pressure sensor error E01 Communication error between hydraulic module PCB and the user interface E02 Discharge...

Страница 40: ...a error between refrigerant system PCB and inverter PCB E29 Too high IPM module temp E30 IPM module temp sensor error E31 Reserved E32 Inverter module debugging data No error E33 Inverter module debug...

Страница 41: ...egulations and other legislation that apply in a given situation If unsure of installation procedures or use always contact your dealer for advice and information 4 4 2 P01 diagnosis and analysis 4 4...

Страница 42: ...is insufficient Yes Check the water circuit Make sure all the valves are open fully the water system is clean and has no any clog and remove air out of the water system completely NO Water flow switc...

Страница 43: ...nitrogen etc High pressure side of the refrigerant system is clogged Poor heat transfer on heat exchanger on high pressure side Refrigerant system PCB is damaged 4 4 3 3 Analysis and action There is a...

Страница 44: ...sure and lower suction pipe pressure 2 In heating and DHW mode check water side heat exchanger water piping circulator pumps and water flow switch for dirt and blockages In cooling mode check air side...

Страница 45: ...and the heat pump will shut down When the suction pressure rises above 0 30MPa Code P03disappears and the heat pump will be ready for next startup When code P03has occurred 3 times within an hour a m...

Страница 46: ...he pressure sensor If the resistance is of the order of mega Ohms or infinite the pressure sensor has failed Low pressure side is blocked 1 P03 Yes Ensure that there aren t crushed and bent copper pip...

Страница 47: ...is not connected properly or has malfunctioned Poor heat transfer on air side heat exchange The motor or blades of the fan is damaged Refrigerant system PCB damaged 4 4 5 3 Analysis and action Note 1...

Страница 48: ...higher than 115 Cfor more than 30 seconds or When outdoor ambient temperature T4 is above minus 15 C and the temperature detected by TP is higher than 110 C for more than 30 seconds the interface will...

Страница 49: ...r water piping circulator pumps and water flow switch for dirt and blockages P05 Temperature sensors TP TA TW are loose short or open circuit or damaged 1 Yes Ensure these temperature sensors are conn...

Страница 50: ...be ready for next startup 4 4 7 2 Possible causes Temperature sensor TB isn t connected properly or has malfunctioned Hydraulic module PCB damaged 4 4 7 3 Analysis and action Note 1 Measure sensor res...

Страница 51: ...ll be ready for next startup 4 4 8 2 Possible causes Temperature sensor T5 isn t connected properly or has malfunctioned Refrigerant system PCB is damaged 4 4 8 3 Analysis and action Note 1 Measure se...

Страница 52: ...e switch HP2 closes When the pressure is above 4 2MPa the contactor of the middle pressure switch MP will open When the pressure is below 3 8MPa the contactor will close 4 4 9 2 Possible causes The po...

Страница 53: ...P10 In ten minutes heat pump will be allowed to start again If Code P10 occurred for three times within one hour heat pump will shut down A manual power off must be done before next restart 4 4 10 2...

Страница 54: ...essure sensor If the resistance is of the order of mega ohms or infinite the pressure sensor has failed Low pressure side is blocked 1 P10 Yes Ensure that there aren t crushed and bent copper pipes an...

Страница 55: ...is and action Note 1 For single phase power supply models check the voltage between DC and DC on the inverter module PCB The normal range is 277V to 354V If the voltage is outside this range the inver...

Страница 56: ...before next restart 4 4 12 2 Possible causes The system is lack of refrigerant The body of 4 way valve is locked The coil of 4 way valve malfunctioned 4 way valve is powered off Refrigerant system PC...

Страница 57: ...mal Pump PWM output interface damaged Pump is stopped due to permanent failure 4 4 12 3 Analysis and action Pump power supply wires are loose P21 Yes Reconnect the wires strong NO Voltage the pump is...

Страница 58: ...s Outlet water pressure sensor is not connected properly Outlet water pressure sensor has malfunctioned 4 4 14 3 Analysis and action Outlet water pressure sensor connection on Hydraulic module PCB is...

Страница 59: ...or electric control box communication terminals block 4 4 15 3 Analysis and action Communication wires AB have a short circuit disconnected are loose or connect wrongly Yes Reconnect the communicatio...

Страница 60: ...r TB appeared an error 4 4 16 2 Possible causes Temperature sensors are not connected properly or have malfunctioned Refrigerant system PCB or hydraulic module PCB is damaged 4 4 16 3 Analysis and act...

Страница 61: ...alysis and action Note 1 For 14 16kW models replace refrigerant system PCB For 8 10 12Kw models replace drive PCB The communication line connection between refrigerant system PCB and inverter PCB is l...

Страница 62: ...nsor LPS 4 4 18 2 Possible causes Low pressure sensor is not connected properly Low pressure sensor has malfunctioned 4 4 18 3 Analysis and action Low pressure sensor connection on refrigerant system...

Страница 63: ...PFC module temp protection Flash ON Flash E25 The current detection circuit failure ON ON OFF E26 Out of step protection ON ON ON E27 PFC module temp sensor error Flash ON OFF E28 Communication data...

Страница 64: ...EN Heat Pump Monobloc Inverter User Manual Figure 4 19 1 Location of 3 led lights on the inverter module PCB for 8 10 12kW Figure 4 19 2 Location of 3 led lights on the inverter module PCB for 14 16k...

Страница 65: ...ime of AC power supply 4 After heat pump is powered on drive PCB charges the capacitors through PTC resistance and bridge rectifier the switching power supply starts to work and then drive PCB chip st...

Страница 66: ...he DC voltage is 370V when the fan motor is running If the voltage is lower than 180V the unit displays E15 and shuts down If the voltage is higher than 430V the unit displays E16 and shuts down 4 4 1...

Страница 67: ...d action Note 1 Refer to Figure4 2 2 2 3 2 4 2 5 for the location of the relays Yes NO Yes NO E15 E16 Power supply is abnormal Re start the unit once the power supply has returned to normal Relay on t...

Страница 68: ...ecreases to cause the input current to increase Inductor on PFC module malfunctioned Inverter module PCB malfunctioned 4 4 19 5 3 Analysis and action Note 1 For 8 10 12 14 16kw refer to Figure4 19 6 b...

Страница 69: ...U V and W is over high Code E29 will occur when the internal circuit of IPM detecting temperature is abnormal Code E30 will occur when IPM module overheats 4 4 19 6 2 Possible cause The compressor ph...

Страница 70: ...Compressor phase sequence is wrong 1 There is too much liquid refrigerant going into the compressor Replace the compressor Recharge the refrigerant with the correct quantity Compressor is faulty 2 En...

Страница 71: ...oned 3 For 8 10 12kw refer to Figure 4 19 8 for the layout of inverter module For 14 16kw refer to Figure 4 19 9 for the layout of inverter module 4 Measure the resistance between each of U V and W an...

Страница 72: ...72 EN Heat Pump Monobloc Inverter User Manual Figure 4 19 9 14 16kw...

Страница 73: ...FC circuit detecting the temperature malfunctioned The radiator on PFC module has poor heat dissipation PFC module circuit malfunctioned Inverter module PCB is damaged 4 4 20 3 Analysis and action Yes...

Страница 74: ...pressure difference between inlet and outlet of the compressor There is a wrong compressor phase sequence 4 4 21 3 Analysis and action Yes NO Yes NO NO Yes E20 E21 Ensure the amount of refrigerant is...

Страница 75: ...22 E25 Diagnosis analysis and action 4 4 22 1 Diagnosis Code E25 will occur when the circuit of detecting total input current of IPM module malfunctions 4 4 22 2 Possible causes Drive PCB is damaged 4...

Страница 76: ...ssor deviated from the set speed which is also called out of step 4 4 23 2 Possible causes There are impurities in the compressor which may cause the frequency to be unstable Drive PCB is damaged 4 4...

Страница 77: ...l PCB are loose or open Drive PCB is damaged 4 4 24 3 Analysis and action Note 1 Apply to 14 16kW models for 8 10 12kW models no separator communication lines 2 Apply to 14 16kW models for 8 10 12kW m...

Страница 78: ...ged 4 4 25 3 Analysis and action Yes NO NO Yes Yes Yes NO NO E34 Wires on drive PCB and electric control box power supply terminals are loose Power supply voltage is not within 10 of rated voltage Rep...

Страница 79: ...ssor frequency is limited because of the input voltage of the inverter module 4 4 27 E01 E02 E03 E04 E05 E06 E07 E08 E09 E10 E14 E28 analysis Before starting heat pump if the communication cables with...

Страница 80: ...15 79 521 25 10 000 65 1 953 105 0 527 14 75 059 26 9 551 66 1 883 13 70 873 27 9 125 67 1 816 12 66 943 28 8 721 68 1 752 11 63 252 29 8 337 69 1 690 10 59 784 30 7 972 70 1 631 9 56 524 31 7 625 71...

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Страница 82: ...44 25 286 83 6 264 122 1 949 6 134 839 45 24 311 84 6 063 123 1 897 7 128 423 46 23 378 85 5 869 124 1 846 8 122 343 47 22 487 86 5 683 125 1 797 126 1 750 130 1 575 134 1 421 138 1 283 127 1 704 131...

Страница 83: ...Beko Grundig Deutschland GmbH Rahmannstra e 3 65760 Eschborn www grundig com...

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