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Haier HPM08-Nd2 Installation And Service Instructions Manual
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Haier HPM08-Nd2 Installation And Service Instructions Manual

Haier HPM08-Nd2 Installation And Service Instructions Manual

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Installation and service instructions
Applicable models: HPM08-Nd2
HPM10-Nd2
HPM12-Nd2
HPM14-Nd2
HPM16-Nd2

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Summary of Contents for Haier HPM08-Nd2

  • Page 1 Installation and service instructions Applicable models: HPM08-Nd2 HPM10-Nd2 HPM12-Nd2 HPM14-Nd2 HPM16-Nd2...
  • Page 2 Content 1. Unit information ........................ 1 1.1 Unit detail ........................1 1.2 Model naming method ..................... 1 1.3 Product feature ........................ 2 1.4 Product application recommendation ................2 1.5 Operating principle ......................3 1.6 Introduction to engineering application ................3 1.7 Technical parameter table ....................
  • Page 3 2.8 Model selection of water pump ..................32 2.9 Calculation of system pipe ..................... 32 3. Safety requirements ......................33 3.1 Safety instructions ......................33 3.2 Target group ........................34 3.3 Regulations to be followed .................... 34 3.4 Safety instructions of working on the system ..............34 3.5 Working in the safety zone ....................
  • Page 4 5.2 Module parallel connection unit installation schematic diagram ........54 6. Electrical connection ....................... 56 6.1 General inspection ......................56 6.2 Wiring ........................... 56 6.3 Unit wiring diagram ...................... 57 6.4 Electrical connection operation ..................59 6.5 Connection wiring diagram .................... 60 6.5.1 External control signal wiring diagram ................
  • Page 5 8.12 Turn off the heat pump ....................84 9. Failure information ......................84 9.1 Failure code table ......................85 9.2 Status display, internal circulating pump ................ 86 9.3 Troubleshooting mechanisms..................87 9.4 Troubleshooting logic ....................94 9.5 Checking the temperature sensor................. 121 9.6 Checking the pressure sensor ..................
  • Page 6 1. Unit information 1.1 Unit detail Table 1 Model Power Supply Refrigerant Unit Appearance HPM08-Nd2 HPM10-Nd2 HPM12-Nd2 220-240V 50Hz R290 HPM14-Nd2 HPM16-Nd2 1.2 Model naming method H P M 1 4 - T N c 9 Z A - U 1 WIFI Serial number:A1;A2...
  • Page 7 1.4 Product application recommendation Haier heat pump unit internally installs standard auxiliary electric heating, the user can choose to enable or disable the function (enabled by default), when the function is enabled, and the ambient temperature is low as well as the unit capacity is insufficient, the unit will automatically determine whether to turn on the auxiliary electric heating, in order to make up for user needs.
  • Page 8 1.6 Introduction to engineering application Haier heat pump can be matched with different terminal applications such as floor heating pipe, fan coil unit, radiator, domestic hot water tank, etc. The following figure is a recommendation of the application integration diagram, which does not mean that users...
  • Page 9 Radiator Valve Domestic Hot W ater ⑨ ⑩ Coil Valve ① Temp Balance Valve ⑾ ④ Solar Panel Floor Heating Radiator Fan Coil Unit ⑧ Haier Additonnal Heating Tank Mono Buffer ⑤ Source TempSensor Water Tank Booster Heater Heat Exchanger Coil ⑧...
  • Page 10 configure the water and solenoid valve should be turned off according to the terminal type (as shown in Figure 1), then connect the floor solenoid valve, radiator solenoid valve, fan coil solenoid valve to the corresponding control port of the unit respectively, and set the cooling terminal application (default fan coil unit, namely following table Cooling 1), heating terminal application (default floor heating, namely following table Heating 2), and heating water terminal application (default no heating water function, namely Heating water 2) on the control display...
  • Page 11 1.7 Technical parameter table Table 4 Model HPM08-Nd2 HPM10-Nd2 HPM12-Nd2 HPM14-Nd2 HPM16-Nd2 Unit application type Low and middle temperature application Power source V / Ph / Hz 220～240/1/50 Heating capacity 8.00 10.00 12.00 14.00 16.00 Heating Input power 1.62 2.08 2.45...
  • Page 12 1.8 Introduction to the components of the unit Table 5 Components name Appearance Model Specification H420D7KZAAJ6 (HPM08/10-Nd2) Compressor H550D7VZABJ6 (HPM12-Nd2) H650D7KZAAJ6 (HPM14/16-Nd2) Heat exchanger b3 - 40 – 64(HPM08/10/12-Nd2) Water pump APF25-12-130E FPWM1 AC 230V 50Hz SHF-9H-35U-P(HPM08/10-Nd2) 4-way valve AC 230V 50Hz DSF-34-2291(HPM12/14/16-Nd2) Electronic expansion valve AC 230V 50Hz...
  • Page 13 1.9 Exploded view and list of parts 1.9.1 HPM08-Nd2 HPM08-Nd2 list of parts Table 6 Spare parts Spare parts description in English code 0040817665 Chassis 0040111114 Platen 0040817664 Compressor Chassis 0040403339 Deicing electric heating belt 0040110945 M type clamp 0040403337...
  • Page 14 0040205900 0040403198 Motor 0040110837 Motor Bracket 0040817663 Protective net 0040203295A Handle 0040703737 Evaporator 0040110993 Bracket 0040111530 Platen 0040817637 Cover 0040817660 Rear panel 0040817662 Right panel 0040206920 Terminal box cover 0040815767 Expansion tank 0040402999 Water outlet temperature sensor 0040110790 Exhaust valve 0040111529 Heat Exchanger Bracke 0040816382...
  • Page 15 0040403395 Water outlet 2 temperature sensor 0040402999 Water inlet temperature sensor 0040402641 Auxiliary circuit inlet temperature sensor 0040403397 Condensation temperature sensor 0040402642 Auxiliary circuit outlet temperature sensor 0040402518 Defrost temperature sensor 0040401467A Ambient Temperature Sensor 0040402668C Discharge Temperature Sensor 0040402671D Suction temperature sensor 1.9.2 HPM10-Nd2 HPM10-Nd2 list of parts...
  • Page 16 0040703632 Reservoir 0040701054 Auxiliary circuit electronic expansion valve 0040701371 Main circuit electronic expansion valve 0040703952 Economizer 0040111535 Partition 0040207366 Grille 0040817659 Front cover 0040205900 0040403198 Motor 0040110837 Motor Bracket 0040817663 Protective net 0040203295A Handle 0040703737 Evaporator 0040110993 Bracket 0040111530 Platen 0040817637 Cover 0040817660...
  • Page 17 0040817668 Electric control box sheet Metal 0040402741 Reactor 0040402616 Terminal Block 0150402224 Terminal Block 001A5745116 Clamp 0040206646 Clamp 0040403410 Reactor 0040403395 Water outlet 2 temperature sensor 0040402999 Water inlet temperature sensor 0040402641 Auxiliary circuit inlet temperature sensor 0040403397 Condensation temperature sensor 0040402642 Auxiliary circuit outlet temperature sensor 0040402518...
  • Page 18 Table 8 Spare parts Spare parts description in English code 0040817665 Chassis 0040111114 Platen 0040817664 Compressor Chassis 0040403339 Deicing electric heating belt 0040110945 M type clamp 0040403337 Compressor heating strip 0040703630 Compressor 0040703632 Reservoir 0040701054 Auxiliary circuit electronic expansion valve 0040701371 Main circuit electronic expansion valve 0040703952...
  • Page 19 0040401812 Low pressure switch 0040703949 High pressure sensor 0040403411 High pressure switch 0040703948 Low pressure sensor 0010705987B 2-Way Valve 0040205894 Drainage elbow 0040816153 Electric control box assembly 0040817667 Electric control box cover 0041801478A Drive board 0041801506A Main control board 0040817668 Electric control box sheet Metal 0040402741 Reactor...
  • Page 20 1.9.4 HPM14-Nd2 Table 9 Spare parts code Spare parts description in English 0040207365 Grille 0040817726 Front cover 0040817727 Front panel 0040817665 Chassis 0040403339 Deicing electric heating belt 0040205894 Drainage elbow 0040205893 0040110945 M type clamp 0040402899 Compressor heating strip 0040703950 Compressor 0040111114 Platen...
  • Page 21 0040402999 Water inlet temperature sensor 0040817728 Right panel 0040800455A Drain-pipe 0040403141 Pump 0040402641 Auxiliary circuit inlet temperature sensor 0040703952 Economizer 0040402999 Water outlet temperature sensor 0040402642 Auxiliary circuit outlet temperature sensor 0040703851 Copper tube 0040815767 Expansion tank 0040110790 Exhaust valve 0040816382 Safty Valve 0040206920...
  • Page 22 0040817637 Cover 0040111231 Motor Bracket 0040703966 Evaporator 0040817733 Protective net 0040203295A Handle 0040110993 Bracket 0040402518 Defrost temperature sensor 1.9.5 HPM16-Nd2 Table 10 Spare parts code Spare parts description in English 0040207365 Grille 0040817726 Front cover 0040817727 Front panel 0040817665 Chassis 0040403339 Deicing electric heating belt 0040205894...
  • Page 23 0040110945 M type clamp 0040402899 Compressor heating strip 0040703950 Compressor 0040111114 Platen 0040817666 Compressor Chassis 0040703931 Reservoir 0040206919 Pump foam 0040703854 Outlet pipe 0040403395 Water outlet 2 temperature sensor 0040403326 Electric heating of pipes 0040403352 Water flow switch 0040703951 Heat Exchanger 0040111580 Heat Exchanger Bracke 0040402999...
  • Page 24 0040111581 Partition 0040111530 Platen 0040816495 Electric control box assembly 0040206646 Clamp 0150402224 Terminal Block 0040402616 Terminal Block 0040403410 Reactor 001A5745116 Clamp 0040817732 Electric control box cover 0040402741 Reactor 0041801506D Main control board 0040111232 Electric control box sheet Metal 0041801478 Drive board 0040817637 Cover 0040111231...
  • Page 25 1.10 Unit capacity data table 1.10.1 Unit heating capacity correction (Practical heating capacity = Nominal heating capacity× Heating capacity correction coefficient) Table 11 HPM08-Nd2 Water outlet temperature ℃ Ambie temper Heating Heating Heating Heating Heating Heating Heating Heating Heating Heating...
  • Page 26 Heating Heating Heating Heating Heating Heating Heating Heating Heating Heating Heating ature/ capacit capacit capacit capacit capacit capacit capacit capacit capacit capacit capacit ℃ 6.29 2.38 6.25 2.19 6.21 2.00 6.18 1.79 6.14 1.58 7.29 2.60 7.25 2.42 7.21 2.24 7.18 2.03 7.14...
  • Page 27 12.48 4.01 12.44 3.76 12.40 3.51 12.35 3.17 12.31 2.84 12.27 2.58 12.23 2.32 11.96 2.15 11.70 1.98 11.17 1.76 10.64 1.54 12.82 4.23 12.78 3.95 12.73 3.68 12.69 3.32 12.65 2.97 12.60 2.69 12.56 2.42 12.25 2.23 11.93 2.04 11.38 1.81 10.83...
  • Page 28 17.98 6.91 17.93 6.35 17.87 5.80 17.81 5.05 17.76 4.30 17.70 3.86 17.64 3.41 16.70 3.03 15.76 2.66 14.98 2.33 14.20 2.00 18.79 8.93 18.72 8.15 18.65 7.37 18.58 6.26 18.52 5.14 18.45 4.53 18.38 3.92 17.29 3.47 16.20 3.02 15.36 2.60 14.52...
  • Page 29 1.10.2 Unit cooling capacity correction Practical cooling capacity = Nominal cooling capacity× Cooling capacity correction coefficient Table 12 HPM08-Nd2 Water outlet temperature ℃ Ambient temperat Cooling Cooling Cooling Cooling Cooling Cooling Cooling ℃ capacity capacity capacity capacity capacity capacity capacity 6.86...
  • Page 30 9.17 2.51 9.41 2.65 9.71 2.86 10.14 3.19 10.25 3.38 10.40 3.58 10.57 4.18 8.21 2.32 8.23 4.13 8.36 2.73 8.57 3.11 8.70 2.86 8.84 3.19 9.03 3.99 HPM12-Nd2 Water outlet temperature ℃ Ambient temperat Cooling Cooling Cooling Cooling Cooling Cooling Cooling ℃...
  • Page 31 12.84 2.67 13.17 2.82 13.59 3.04 14.20 3.40 14.50 3.67 14.70 4.01 15.10 4.68 11.49 2.47 11.53 4.40 11.70 2.90 12.00 3.31 12.30 3.11 12.50 3.58 12.90 4.48 HPM16-Nd2 Water outlet temperature ℃ Ambient temperat Cooling Cooling Cooling Cooling Cooling Cooling Cooling ℃...
  • Page 32 2. Model selection calculation 2.1 Design model selection 2.1.1 Calculating conditions of design model selection Table 13 Unit capacity and input power calculation under the condition of floor heating or cooling a.Cooling conditions b.Heating conditions Indoor water temperature 23℃/18℃; Indoor water temperature 30℃/35℃; Outdoor air temperature 35℃...
  • Page 33 Villa Dining Room 110 ~ 140 W/m Mater Room 100 ~ 120 W/m Guest Room 100 ~ 130 W/m Study Room 100 ~ 120 W/m Notes ■ Villas of which the load is generally larger than that of the ho uses should take the value between the middle ■...
  • Page 34 Square-shaped coil tube: = L*W/tube pitch = Area/tube pitch U-shaped coil tube: = L-1+L*W/tube pitch = L-1+ Area/tube pitch Square-shaped coil tube are recommended because they maintain an even temperature distribution. In special cases, it can be satisfied by adjusting the tube pitch. The length of room to manifold main tube should be estimated according to the actual situation of the project, generally not more than 30 meters.
  • Page 35 uneven water distribution. ■ The distance between the unit and the manifold should be within 15 meters. If the distance is more than 20 meters, the hydraulic power needs to be calculated. 2.3.2 Installation requirements of manifold main tube ■ The manifold should be installed on the wall or in the special cabinet. For house construction, it is generally installed in the kitchen.
  • Page 36 Air - water fan coil is available for Haier fan. 2.4.2 Capacity matching of the fan coil unit The load of the fan coil unit is recommended to be between 70% and 120% of the Haier unit. Note: ■ When the load of the fan coil unit is too small, the unit swithes frequently between turn on and turn off, which is not conductive to oil return.
  • Page 37 P1 = Precharge pressure of expansion tank (absolute pressure) P2 = The maximum pressure of system operation (absolute pressure) V = The volume of the expansion tank Table 17 Temperature（℃） Temperature（℃） Temperature（℃） 0.00013 0.0099 0.0258 0.0121 0.029 0.00027 0.0145 0.0324 0.00177 0.0171 0.0359...
  • Page 38 Heating time (min) （Calculating in the initial temperature of 10℃） Recommended quantity of users (people) 1～2 2～3 3～5 4～6 5～8 Note:  The heating time calculated in the above table is the theoretical heating time when the ambient temperature is higher than -15℃ and the auxiliary electric heating is not enabled, which will fluctuate depending on the use environment and the heat exchange capacity of the internal coil tube of the water tank;...
  • Page 39 ⁄ D= 4Q 3.14 × 1000 × V In formula:Q——Water discharge flowing through the pipe-segment, L/s; Ｄ——Pipe inner diameter, mm; Ｖ——Assumed water velocity, m/s; The recommended water velocity in the pipe table is as follows, Unit:m/s; Table 19 Pipe diameter（mm） Recommended flow 0.4～0.5 0.5～0.6...
  • Page 40 Forbidden: It indicates operations that may cause damage to the machine or endanger the personal safety of the user. 3.2 Target group ■ The unit uses Class A3 combustible refrigerants and the refrigerant system can only be operated and serviced by authorized contractors.These contractors must be trained in accordance with EN 378 Part 4 or IEC 60335-2-40 HH Section and have obtained a certificate of competence issued by an industry recognized body.
  • Page 41 brushless machines (cordless screwdrivers), extraction equipment, disposal containers, installation aids,vacuum pumps, conductive hoses, mechanical tools of non-sparking material, etc. Attention please The tool must be suitable for the pressure range used Tools must be in good maintenance condition. ■ Electrical equipment must meet the requirements of Zone 2 explosion hazard zone. ■...
  • Page 42 -All personnel in the vicinity of the system. ■ Check the area around the heat pump for combustible substances and ignition sources; Remove all flammable materials and ignition sources. ■ Before, during and after work, use an explosion-proof refrigerant detector for R290 to check the surrounding area for any escape of refrigerant.
  • Page 43 Installing unauthorized parts and making unapproved modifications or refits may compromise safety and may void warranties. For replacement, please use only the original spare parts provided or approved by Haier. Safety instructions of operating system What if the refrigerant escapes ！...
  • Page 44 What if the outdoor unit freezes Ice in the condensate pan and outdoor unit fan area may damage the device. Pay attention to the following please: ■ Do not use mechanical objects/auxiliary tools to remove ice. ■ Check the refrigerant circuit for leakage with a suitable measuring device before using the heating appliance.
  • Page 45 4. Unit installation 4.1 Transportation Danger ！ Outdoor unit charges refrigerant R290(Propane): Mechanical loading can cause leakage of refrigerant circuit. Where a refrigerant leak occurs, there is a risk of explosion or suffocation. ■ Prevent vibration during transportation. ■ Fix the unit during transportation. ■...
  • Page 46 ■ To prevent the outdoor unit from tipping over, the unit tilt should not exceed 20°. ■ The outdoor unit should be carried by two or more people. Handl Handl Wooden Overall dimensions of the unit 4.4.1 Overall dimensions of the unit HPM08-Nd2, HPM10-Nd2, HPM12-Nd2...
  • Page 47 4.4.2 External dimensions of the unit HPM14-Nd2 and HPM16-Nd2...
  • Page 48 Table 21 Model HPM08-Nd2 1312 HPM10-Nd2 1312 HPM12-Nd2 1312 HPM14-Nd2 1312 1370 HPM16-Nd2 1312 1370...
  • Page 49 ■ Use a wall-mounted bracket to install. ■ The weight of the outdoor unit should be taken into account: see the table below Table 22 Model of the unit Unit of weight: kg HPM08-Nd2 HPM10-Nd2 HPM12-Nd2 HPM14-Nd2 HPM16-Nd2 ■ The wall must meet the structural requirements.
  • Page 50 ■ Check that the outdoor unit installation height does not exceed the permitted building height, for example, the height specified in the planning restrictions. ■ In order to facilitate the maintenance and repair of the unit, adequate maintenance areas should be reserved.
  • Page 51 be installed on light wall, roof structure, etc. ■ When installing outdoor units on the roof surface, there is a risk of structure noise transmission and vibration transmission into the building. If the outdoor unit is installed on a freestanding garages, separating structure noise and insufficient vibration isolation may produce excessive noise due to resonance amplification.
  • Page 52 ■ Objects with a temperature above 360 ℃ 4.6 Minimum installation space 4.6.1 Minimum installation space requirements for the single unit Reserve 500mm maintenance space on the top of the unit and on the side of the terminal box of the unit Situation of that there are walls on the side of the unit (The unit below is only for illustration, and the actual machine model purchased shall prevail)
  • Page 53 出风风向 Situation of that there are walls both in front of and behind the unit (The unit below is only for illustration, and the actual machine model purchased shall prevail) 出风风向...
  • Page 54 4.6.2 Multiple unit installation (The unit below is only for illustration, and the actual machine model purchased shall prevail) It needs to reserve 300mm maintenance space on the top of the unit, and also needs to reserve 500mm on the side of the unit's terminal box. Situation of that there are walls on the side of the unit 出风风向...
  • Page 55 4.7 Foundation of installation Outdoor unit of foundation structure design should consider the following factors: ■ The base protects against excessive vibration and noise. The outdoor unit base should be built on solid ground, or the structure should be strong enough to support the weight of the unit. ■...
  • Page 56 Unit Shock Concrete foundation Embedded bolt Installation dimension 4.8 Drainage requirements When the unit is running in heating mode, condensate may form on the air side heat exchanger, and the unit installation foundation should be provided with drainage ditches so that the condensate can be smoothly discharged when the unit is running in heating mode.Drainage should be ensured that condensate is directed away from roads and sidewalks, especially where condensation may freeze in climatic conditions.
  • Page 57 Installation positions of drain elbows...
  • Page 58 5. System installation 5.1 Single unit installation schematic diagram Hot-water pipe Soft connection Manual sluice valve Cool-water pipe Filter Water supply pipe Magnetic filter Domestic hot water pipe Solenoid valve Temperature sensor Distribution manifold Wire Exhaust valve Pump 3-Way valve 220-240 VAC Check valve 50HZ...
  • Page 59 Table 23 Components Type Specification Remark Heat pump unit Additional heat source Shield cable 24 vdc, 2-d Max.length: 100 feedback Max.length: 50m Additional heating L-type AC 230V, 2-d source 3-way valve Filter Accessory 50 meshes Max.length: 50m Hot water 3-way L-type AC 230V, 2-d valve...
  • Page 60 5.2 Module parallel connection unit installation schematic diagram Soft connection Hot-water pipe Manual sluice valve Cool-water pipe Filter Water supply pipe Magnetic filter Domestic hot water pipe Solenoid valve Temperature sensor Distribution manifold Wire Exhaust valve Pump 3-Way valve Check valve 220- 240 V AC 50HZ Electric heat er...
  • Page 61 Table 24 Components Type Specification Remark Heat pump unit’ 24 vdc, 2-wire Max.length: 100 Additional heat source feedback Shield cable Max.length: 50m L-type AC230V, 2-wire Additional heating source 3-way valve 50 meshes Filter Accessory Max.length: 50m Hot water 3-way valve L-type AC230V, 2-wire buffer water tank...
  • Page 62 Minimum cross-sectional area of the Air switch power supply cable (mm²) Maximum cable Model Voltage operating range capacity in length (m) Ground the unit (A) L-wire N-wire wire HPM08-Nd2 (198～264)V 50Hz HPM10-Nd2 HPM12-Nd2 HPM14-Nd2 (198～264)V 50Hz 16.0 16.0 10.0 HPM16-Nd2...
  • Page 63 6.3 Unit wiring diagram Wiring diagram of HPM08-Nd2, HPM10-Nd2 and HPM12-Nd2 Reactor2 Reactor1 M_control board CN607 4-Way valve I2-1 CN65 Ice melting and tropical heating CN66 Pump speed Compressor heating strip CN67 Drive board CN78 CN77 CN73 CN76 CN75 CN64...
  • Page 64 CN45 Ambient temperature sensor(Ta) CN30 Temperature balance valve CN43 Water tank temperature sensor(Tdwh) CN52 Hot water 3-way valve Water outlet temperature 2 CN32 CN53 Floor heating solenoid valve sensor(Two2) CN17 Total water outlet temperature sensor CN54 Fan coil unit solenoid valve Economizer inlet temperature CN36 CN64...
  • Page 65 Table 27 Marking Name Marking Name CN3\ CN61 Telecommunication Low pressure switch CN4 \ CN28 Wire controller communication CN15 High pressure switch Auxiliary circuit electronic CN21 CN19 Remote switch expansion valve Main circuit electronic expansion CN22 CN14 Linked switch valve Water inlet and outlet temperature CN51 Water flow switch...
  • Page 66 ■ VDE specification ■ TAR low pressure VDE-AR-N-4100 ！ Danger Incorrect electrical installation can result in serious electric shock injuries and lead to unit damage. ■ In outdoor areas, power cable should not be lighter than polychloroprene sheathed cable. Use only cables labeled with ID 60245 IEC 57#. ！...
  • Page 67 6.5.1 External control signal wiring diagram I-1 I-2 I-3 I-5 I-6 I-7 I-8 I-9 I-10 I-11 I-12 I-13 I-14 Slave Multi line Domestic Water Mixing Additional Additional Secondary Smart Grid Tank Pump Heating Source Heating Source Pump Electric Heating Feedback 3-way Valve Unit output or input connection cable and load specification table Table 28...
  • Page 68 Secondary pump: Circulating water pump between buffer water tank and I-12 and I-13 Configurable connections radiator (such as floor heating, radiator, ■ Output:230w and fan coil unit) ■ Voltage:230v ~ Mixing pump: Circulating pump is connected between ■ Max. allowable current:1A the main inlet and outlet of the floor Recommended to use flexible cable: heating system，...
  • Page 69 L N L N L N L N L N L N L N II-1 II-2 II-3 II-4 II-5 II-6 II-7 II-8 II-9 II-10 II-11II-12II-13 II-14 Zero Cold Water Temp Hot Water Floor Valve Coil Valve Booster Circulating Radiator Valve Pump Circulating Pump Balance Valve...
  • Page 70 Configurable connections ■Output:230w ■Voltage:230v ~ Booster pump circulation: When the water flow of the ■Max. allowable current: 1A built-in water pump in the unit Ⅱ-13,Ⅱ-14 cannot meet the actual installation Recommended to use flexible requirements, it is used as an connection wire : auxiliary spare water pump ■3 ×...
  • Page 71 Temperature measurement blind tube Different heating zones temperature sensor Pipe Tee joint Water Flow Pipe 6.5.3 Unit power connection 220-240 VAC 50HZ Leakage protector ■Recommended power wire: H07RN-F. PVC cables are not allowed. ■The PE ground wire must be longer than both the L and N wires. ■Protect the power wire from direct sunlight.
  • Page 72 6.5.4 Connection of electric heater of domestic water tank 220-240 VAC 50HZ 220-240 VAC 50HZ I-8 I-9 Contactor Electric heater ■Do not connect the DWH water tank electric heater directly to the terminal block of the unit; ■Please use AC contactor when converting connections; ■If the power or current of other output loads exceeds the requirements (see "Table 14"), please convert through AC contactor.
  • Page 73 Host 1# I-1 I-2 I-3 I-5 I-6 I-7 I-9 I-10 I-11 I-12 I-13 I-14 Multi line A Multi line B Slave 2# I-1 I-2 I-3 I-5 I-6 I-7 I-9 I-10 I-11 I-12 I-13 I-14 Multi line A Multi line B Slave 16# I-1 I-2 I-3 I-5 I-6 I-7...
  • Page 74 7.Unit control function 7.1 Unit control flow diagram Power Swith On Select Function Mode Cooling Heating Water heating Preparation for operational functions Preparation for operational functions Water heating 3-way valve "ON" Preparation for operational functions Fault Detect Fault Detect Water pump "ON" Water pump "ON"...
  • Page 75 If the conditions for turning off the auxiliary electric heating are still met, then turn off the auxiliary electric heating for 2 minutes.  HPM08-Nd2\ HPM10-Nd2\ HPM12-Nd2 equipped with a set of electric heating;  HPM14-Nd2\ HPM16-Nd2 equipped with two sets of electric heating。...
  • Page 76 Water tank electric heating is turned on when the following conditions are simultaneously met: a. The actual temperature of the water tank ≤ set temperature of the water tank -4℃ (parameters are set by the wire controller, default to 4℃) b.
  • Page 77 Heating 7(Fan coil unit+Floor+radiator, setting 6) Heating 8(No application, setting 7) Heating Heating water 1(Heating water function, setting 1) water Heating water 2(No heating water function, setting 0) 7.2.11 Automatic antifreeze control When the unit is in standby, shutdown or fault shutdown state for heating/hot water production, the following conditions should be used for judgment;...
  • Page 78 The state of Turn Off displays clock, actual water temperature, number of connection units; After powering on, it displays the working mode icon, working status, clock, actual water temperature, and set temperature. In the case of effective power, pressing the "ON/OFF" key under the case of power off, it will be immediately powered on, on the contrary, then powered off.
  • Page 79 flashing displaying 01 becomes flashing display 02; Press the "SET" key, 02 keeps on, flashing display, keeps on displaying time (timing 2 ON time preview state), press the "+/-" key, turns off, flashing display, keeps on displaying time (timing 2 OFF time preview state), press the "+/-"...
  • Page 80 Heating Hot Water Cooling ① ② ③ ④ Hot Water+Heating Heating + Hot Water Hot Water + ⑤ +Cooling - 8 Cooling Reserved Reserved Note: 0 represents models with only hot water mode, and only the hot water icon can be lit up; 3 represents models with only heating and cooling modes, and only the heating icon cooling icon can be lit up separately.
  • Page 81 When the energy-saving function starts, this icon lights up (reserved) When the mute mode starts, this icon lights up (reserved) When the high cool mode starts, this icon lights up (reserved) when connecting into the smart grid, this icon lights up When connecting into the photo voltaic mode, this icon lights up When sterilizing in hot water mode, this icon lights up...
  • Page 82 In the state of fault locked, pressing the "ON/OFF" key can clear the locked state. 7.3.8.4 Running Parameter Query Under the state of power on and in the case of the wire controller under the main inreface, press the "QUERY" key for 6 seconds to enter the parameter query function, of the five digits "8" in the upper left corner, the first digit "8"...
  • Page 83 Opening of auxiliary electronic Input voltage expansion valve Temperature of total return water State of frequency limiting and thermometer bulb frequency decreasing Temperature of outlet water 2 Temperature of total outlet water thermometer bulb thermometer bulb Temperature of indoor ambient High pressure sensor temperature sensor Item special number of the main...
  • Page 84 mode 1 (Function ON, water pump turns off in standby) 2 (Intermittent ON, turn on standby for 5 minutes every 5 minutes seeing Pump Parameter Settings) 0 (Function OFF by default) 1 to 50 correspond to the test mode content Test mode dividedly 0 (Default, do not restore factory...
  • Page 85 1 (Only display the set 2 (Display the set temperature and Display mode temperature) the actual temperature,2 by default) 1 （Return difference shutdown by 2 (Shutdown as soon as the Shurdown mode default） temperature reaching) Defrosting exit and 0-20℃, 0℃ by default temperature correction Mute control mode 0 (OFF by default)
  • Page 86 return change The functional item marked with * does not involve this function in the functional book. Note: When the turn-on memory function is enabled, if the unit is in the state of turn off before power off, it will be turned off after power on; if it is in the state of turn on before power off, it will memorize the last running state after power off.
  • Page 87 Debugging the outdoor unit immediately after installation may cause damage to units. The installation of outdoor units and the debugging of heat pumps should be separated by at least 30 minutes. Danger ！ Contact with live parts can result in serious injury from electric current. Some components on the pcb remain live even after the power is turned off.
  • Page 88 2. Open the tap water valve for water system charging; 3. Once air stops exhausting from the water point of domestic hot water system, the exhaust of domestic hot water system is complete. 8.6 Inspection and protection of magnesium anode We recommend replacing the magnesium rods when their diameter is reduced to 10 - 15 mm.
  • Page 89 maintenance work and pressure equipment directives. ■ Replace the high pressure switch at least every 12 years. ■ Replace the leakage protector at least every 12 years. 8.9 Checking whether the fan of the outdoor unit can operate freely Danger ！...
  • Page 90 4. Close the outdoor unit hull. 8.11 Checking whether the electrical connection of the outdoor unit is secure Danger ！ Contact with live parts may cause serious electrical injury. Some components on the PCB remain live even after the power is turned off. ■...
  • Page 91 9.1 Failure code table Table 39 Fault Type Alarm Content Remarks Release Code Communication Control board memory chip failure Wrong address dialing code setting problems Sensors Over-temperature protection of heating outlet Temperature sensor damaged, miswired Sensors Low temperature protection of cooling outlet Temperature sensor damaged, miswired Sensors Water tank temperature sensor failure...
  • Page 92 Drive board Three-phase electric abnormal protection Abnormal input voltage Output short-circuit protection or output Repowering or switching on Drive board Overload operation, abnormal compressor instantaneous overcurrent and off to release Over-temperature protection of IPM module Drive board Abnormal fan motor, blocked vent radiator Output overload, overcurrent, or three-phase Drive board...
  • Page 93 Table 41 Protection Type Description Code When the water pump runs dry for 1 minute, it stops and reports a fault. Run-dry protection After 10 minutes, it restarts, and then restarts 5 times in this cycle and then stops. When the rotor shaft of the electric pump is stuck, the electric pump attempts to restart every 5 seconds.
  • Page 94 Troubleshooting: shutdown, display the fault. Fault recovery: replace the temperature sensor, recover after it is normal. Inlet temperature sensor failure "Eb" Status: open or short circuit for more than 30 seconds Troubleshooting: shutdown, display the fault. Fault recovery: replace the temperature sensor, recover after it is normal. Outlet temperature sensor failure "L3"...
  • Page 95 10. Economizer outlet temperature sensor failure "L5" Status: open or short circuit for more than 30 seconds Troubleshooting: shutdown, display the fault. Fault recovery: replace the temperature sensor, recover after it is normal. 11. Liquid pipe temperature sensor failure "H2" Status: open or short circuit for more than 30 seconds Troubleshooting: shutdown, display the fault.
  • Page 96 Status: The high-voltage switch is in a disconnected state, lasting for more than 3 seconds; Troubleshooting: shutdown; Fault recovery: The high-voltage switch signal is closed, lasting for more than 60 seconds to recover; The first to second automatic recovery occurs within 1 hour, and the third requires manual reset or power off restart.
  • Page 97 Heating/hot water mode (when the compressor is not started and the ambient temperature is ≤ -30 ℃, or the ambient temperature is>43 ℃), lasting for 60 seconds Troubleshooting: No startup, no shutdown; record history faults, no display. Fault recovery: After shutdown, if the cooling temperature is 5℃, or heating temperature is -30℃<...
  • Page 98 Determining conditions: Output current exceeds specified value based on time integration Troubleshooting: shutdown Failure recovery: Automatic recovery after power off 32. DC bus under-voltage protection "P5" Determining conditions: VDC < 200V (single phase) for 5ms Troubleshooting: shutdown Fault recovery: Shutdown for 20 seconds, VDC ≥ 210V (single phase) to recover the fault. 33.
  • Page 99 seconds, or the MCU detects that the output voltage of the temperature sensor detected inside the IPM module is less than 10mV; Troubleshooting: shutdown Fault recovery: After 60 seconds, if it is detected that the temperature transmission is normal or the voltage is greater than 10mV, it will automatically return to standby mode. 37.
  • Page 100 9.4 Troubleshooting logic Fault code E2 Over-temperature protection of water 1. Inaccurate sensor position 2. Sensor malfunction Fault cause 3. Heating relay sticking 4. The sampling circuit of the control board is damaged Automatic recovery after fault elimination Troubleshooting Diagnosis Solution Insert the sensor into the specified position...
  • Page 101 Fault code E3 Water tank temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Check if the sensor is Reconnect the sensor securely accurately and securely plugged into the control...
  • Page 102 Fault code E5 Defrost temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect the sensor securely Check if the sensor is accurately and securely plugged into the control board...
  • Page 103 Fault code E6 Exhaust temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect the sensor securely Check sensor accurately...
  • Page 104 Fault code L5 Economizer outlet temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect the sensor securely Check sensor accurately...
  • Page 105 Fault code H2 Refrigerant liquid pipe temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Automatic recovery after fault elimination Troubleshooting Diagonsis Solutions Check sensor Reconnect the sensor securely accurately...
  • Page 106 Fault code H6 Heating total outlet water temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect the sensor Check sensor...
  • Page 107 Fault code U2 Low pressure sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Check if the sensor is accurately and securely plugged into the control Reconnect the sensor securely board...
  • Page 108 Fault code E7 communication failure Abnormal communication between the display panel(wire controller) and the main control board Fault cause (Heating - abnormal communication between the display panel and the mainboard of the indoor unit board) Troubleshooting Automatic recovery after fault elimination。 Diagonsis Solutions Adjust the dial code or replace the...
  • Page 109 Fault code E8 Over-pressure protection for system high pressure 1. Pressure switch off or failure; 2. control board failure; 3 .Electronic expansion valve poor contact or failure; 4. Water Fault cause curcuit is not through the water or blocked; 5. System clogging; 6. Refrigerant overcharging. Troubleshooting Automatic recovery after fault elimination，locked for three times.
  • Page 110 Fault code F9 Under-pressure protection for system low pressure Fault cause Low pressure switch action or low pressure sensor detection of low system pressure Automatic recovery after fault elimination, locked for three times. Troubleshooting 1. Confirm if the pressure switch wiring is 1.
  • Page 111 Fault code EA Memory chip failure Fault cause EEPROM failure Troubleshooting Automatic recovery after fault elimination。 Diagonsis Solutions EE chips or circuit components After powering off and rewriting are missing or damaged, replace the EE program, power on and the control board. start the machine.
  • Page 112 Fault code EC Communication failure Commercial - abnormal communication between the mainboard of the multi-connection; Inverter - abnormal Fault cause communication between the main control board and the inverter board; Heating - abnormal communication between the outdoor unit board and the indoor unit board Troubleshooting Automatic recovery after fault elimination。...
  • Page 113 Fault code Ed Suction temperature sensor failure 1. The sensor has a short circuit or open circuit Fault cause 2. The sampling circuit of the control board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect the sensor securely Check sensor accurately...
  • Page 114 Fault code LE Excessive difference in inlet and outlet water temperature Detected that the difference between (outlet temperature minus inlet Fault cause temperature) is greater than 7 ℃ (adjusted according to the project) Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Check if the probe position of Reconnect the probe or...
  • Page 115 Fault code LA Abnormal water flow switch Fault cause Water flow switch feedback off state Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Reconnect correctly and in place Check if the checkerboard terminal is correctly inserted and in place. Adjust the installation direction of the water flow switch Check if there is water or if the water circuit ball valve is fully...
  • Page 116 Fault code F3 Exhaust high temperature protection Detected exhaust temperature ≥ 115 ℃ for 3 consecutive minutes Fault cause (adjusted according to project) Troubleshooting Automatic recovery after fault elimination，locked for three times. Diagonsis Solutions Check installation environment is abnormal, such as Improve installation short circuit of air outlet, poor environment...
  • Page 117 Fault code F7 Fluorine deficiency protection failure Fault cause Commercial: T outdoor ambient temperature - T frosting ≤ 1 ℃ Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Replace the sensor Check relevant sensors are normal. Replace the control board Check if the control board is normal.
  • Page 118 Fault code P1 Instantaneous overcurrent of hardware on the inverter side Fault cause Instantaneous overcurrent of hardware on the inverter side Automatic recovery, locked 3 times, no failure reported in the first 2 Troubleshooting times, failure retained Diagonsis Solutions Adjust the input voltage or phase line input voltage...
  • Page 119 Fault code P3 Abnormal radiator temperature Fault cause Abnormal radiator temperature Troubleshooting Auto-recovery, no failures reported, failure history retained Diagonsis Solutions Whether ambient Improve ventilation environment temperature of the air inlet is too high (above 45℃) after the machine is running. Reinsert and unplug the sensor Is the coil or defrost sensor plugged in properly?
  • Page 120 Fault code P5 Under voltage Fault cause Undervoltage detection Troubleshooting Auto-recovery, no failures reported, failure history retained Diagonsis Solutions input voltage normal? Adjust input voltage Is the PFC circuit AC contactor working properly? Replace the AC contactor Replace the drive board. Fault code P6 Over voltage Fault cause...
  • Page 121 P7 No communication between main control board and drive Fault code board Abnormal communication between main control board and Fault cause drive board Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Replace the correct control Check if the private number board.
  • Page 122 Fault code P9 Instantaneous power failure detection 1. Power on the capacitor before fully discharging after power outage Fault cause 2. The voltage and current detection circuit of the drive board is damaged Troubleshooting Lock at once Diagonsis Solutions Replace the drive board. Failure reported during...
  • Page 123 Fault code PA Abnormal control board power supply or compressor phase loss 1. Input voltage is lower than the protection value Fault cause 2. Compressor line phase loss Auto-recovery, no failures reported, failure history retained Troubleshooting (Commodity inspection mode will report a failure) Diagonsis Solutions The machine is normal and...
  • Page 124 Fault code PB Loss of synchronism detection (ID number mismatch) 1. The pressure models of the main control board and the drive Fault cause board do not match Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions Follow the instructions to set Check if the main control the dial code to the correct board...
  • Page 125 Fault code PC Abnormal module temperature 1. Open circuit of temperature sensor on the drive board Fault cause 2. The internal temperature sensor of the drive board is damaged Troubleshooting Automatic recovery after fault elimination Diagonsis Solutions The temperature sensing components inside the drive Check if there is an external board are damaged, replace the...
  • Page 126 Fault code PF Rectifier side software and hardware instantaneous overcurrent 1. Instantaneous drop in power supply leads to an instantaneous increase in input current Fault cause 2. Sudden increase in load leads to an instantaneous increase in input current Auto-recovery, lock for the three times, first 2 failures not reported, failures Troubleshooting retained Diagonsis...
  • Page 127 9.5 Checking the temperature sensor Table 27 Name Quantity Resistance and B value R25 k = 49.12Ω Water inlet temperature sensor B (0/100) = 3970 k±2%±2% R25 k = 49.12Ω Water outlet temperature sensor B (0/100) = 3970 k±2%±2% Auxiliary circuit intake air R25 = 10 kΩ...
  • Page 128 -30℃ 134.907 43℃ 4.947 -29℃ 127.675 44℃ 4.767 -28℃ 121.081 45℃ 4.593 -27℃ 114.849 46℃ 4.427 -26℃ 108.958 47℃ 4.268 -25℃ 103.388 48℃ 4.115 -24℃ 98.123 49℃ 3.968 -23℃ 93.144 50℃ 3.829 -22℃ 88.435 51℃ 3.692 -21℃ 83.982 52℃ 3.562 -20℃...
  • Page 129 6℃ 22.678 79℃ 1.445 7℃ 21.676 80℃ 8℃ 20.723 81℃ 1.357 9℃ 19.817 82℃ 1.316 10°C 18.955 83℃ 1.276 11℃ 18.135 84℃ 1.238 12℃ 17.354 85℃ 13℃ 16.611 86℃ 1.165 14℃ 15.903 87℃ 1.131 15℃ 15.229 88℃ 1.097 16℃ 14.587 89℃...
  • Page 130 -36℃ 1254.676 60℃ 12.153 -35℃ 1177.274 61℃ 11.722 -34℃ 1105.053 62℃ 11.308 -33℃ 1037.65 63℃ 10.912 -32℃ 974.729 64℃ 10.53 -31℃ 915.976 65℃ 10.164 -30℃ 861.099 66℃ 9.812 -29℃ 809.827 67℃ 9.474 -28℃ 761.905 68℃ 9.149 -27℃ 717.102 69℃ 8.837 -26℃...
  • Page 131 1℃ 168.934 95℃ 3.792 0℃ 160.524 96℃ 3.679 1℃ 152.579 97℃ 3.569 2℃ 145.071 98℃ 3.464 3℃ 137.974 99℃ 3.362 4℃ 131.262 100℃ 3.264 5℃ 124.913 101℃ 3.168 6℃ 118.906 102℃ 3.077 7℃ 113.221 103℃ 2.988 8℃ 107.837 104℃ 2.903 9℃...
  • Page 132 35℃ 32.028 131℃ 1.421 36℃ 30.728 132℃ 1.386 37℃ 29.489 133℃ 1.353 38℃ 28.306 134℃ 1.32 39℃ 27.176 135℃ 1.289 40℃ 26.098 136℃ 1.257 41℃ 25.068 137℃ 1.227 42℃ 24.085 138℃ 1.198 43℃ 23.145 139℃ 1.168 44℃ 22.247 140℃ 1.14 45℃...
  • Page 133 -30℃ 11021.678 43℃ 221.82 -29℃ 10343.407 44℃ 212.252 -28℃ 9710.234 45℃ 203.142 -27℃ 9118.935 46℃ 194.467 -26℃ 8566.532 47℃ 186.204 -25℃ 8050.276 48℃ 178.333 -24℃ 7567.624 49℃ 170.832 -23℃ 7116.224 50℃ 163.682 -22℃ 6693.901 51℃ 156.866 -21℃ 6298.642 52℃ 150.367 -20℃...
  • Page 134 5℃ 1444.25 78℃ 53.82 6℃ 1366.096 79℃ 51.87 7℃ 1292.773 80℃ 8℃ 1223.935 81℃ 48.206 9℃ 1159.265 82℃ 46.484 10℃ 1098.474 83℃ 44.832 11℃ 1041.293 84℃ 43.246 12℃ 987.477 85℃ 41.723 13℃ 936.799 86℃ 40.26 14℃ 889.052 87℃ 38.856 15℃ 844.042 88℃...
  • Page 135 9.6 Checking the pressure sensor 9.7 Checking the fuse ■FUSE1 located next to the input power on the main control board ■FUSE2 located next to the two fan input ports on the main control board ■FUSE3 & FUSE4 & FUSE5 close to the relay under the main control board ■FUSE6&FUSE7 close to the input power on the drive board FUSE1&FUSE3&FUSE4&FUSE5 model: ■30A/250V AC...
  • Page 136 Danger ！ Incorrect or improperly installed fuses can lead to an increased risk of fire. ■Do not use excessive force when insulting the fuse. Place the fuse correctly. ■Only use fuzes of the same type of structure with the same response characteristics. 9.8 Maintenance work checklist ■Everyone working on the refrigerant circuit must be able to present a certificate of competence issued by industry-recognized organizations.
  • Page 137 ■Do not use ignition sources that may ignite the refrigerant when working on a refrigerant circuit that contains or has previously contained flammable refrigerant. Remove all possible ignition sources, including cigarettes, that may cause escape of refrigerant from the area where installation, maintenance, disassembly or disposal work is being carried out.
  • Page 138 temporary solution should be provided for the operation of the system as needed. Notify the system operator. Perform the following safety checks: ■Discharging capacitor: Make sure there are no sparks when discharging. ■Do not place live electrical components or cables near outdoor units when charging, pumping refrigerant or flushing refrigerant circuit.
  • Page 139 vibration, sharp edges or other adverse environmental effects. ■When checking, the effect of aging and continuous vibration on compressors and fans should also be taken into account. Refrigerant detector ■Never use possible ignition sources for refrigerant detection or leak detection. ■Flame leak detectors or other leak detectors with open fire are strictly prohibited.
  • Page 140 R290(propane). ■The system is no longer in use. ■The refrigerant has been pumped out. ■The outdoor unit contains nitrogen. ■The outdoor unit may contain residual combustible refrigerant. 10. Refrigerant circuit flow circuit diagram 10.1 Refrigerant flow circuit diagram of heating system Heating cycle 10.2 Refrigerant flow circuit diagram of cooling system Cooling cycle...
  • Page 141 Table 32 Number Part name Number Part name Auxiliary circuit inlet temperature Water flow switch sensor Total water outlet temperature Auxiliary circuit electronic expansion sensor valve Water pump Auxiliary circuit plate heat exchanger Pipe electric heating Filter Heat exchanger Compressor electric heating strip Auxiliary circuit outlet temperature Water outlet temperature sensor sensor...
  • Page 142 5. Connect the refrigerant bottle to the extraction equipment. Connect the extraction device to the refrigerant circuit Schrader valve via the manifold. 6. Pump all parts of the refrigerant pipeline with pumping equipment. Attention please ■ Refrigerant extraction must be continuously monitored by an authorized contractor. ■...
  • Page 143 ■Outdoor unit 10.4 High-voltage insulation test ！ Danger Excessive pressure can cause damage to the system and be dangerous due to high pressure and escaping refrigerant. Observe the allowable test pressure. 1. Connect the test device on the 2-way valve. 2.
  • Page 144 ■The amount of refrigerant to be charged 7. Leak test with explosion-proof refrigerant detector for R290 (propane). Final decommissioning and disposal Complete units and compressors can only be disposed of by qualified disposal specialists. Decommissioning: ■The positioning requirements apply only if the outdoor unit is filled with refrigerant Decommissioning should only be carried out by qualified contractors who are familiar with the equipment used for refrigerant handling.

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Hpm10-nd2Hpm12-nd2Hpm14-nd2Hpm16-nd2