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Midea MHC-V10W/D2N1, Инструкция по установке и эксплуатации, Страница: 27 / 96

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25

 

 

1    Rectifier bridge input port L

2   Hydraulic compartment input port2

3    Rectifier bridge input port N

4    Power supply 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

10  Th temperature sensor port

11  Pressure sensor port

12  Port for communication between this PCB and main control 
board of hydraulic module

13  P/N/+18V port

14  To IPDU/PFC

15  DC fan port

16  Compression electromechanical heating belt  

 17  4-way valve port

18  Transformer input port

1-phase 5/7/9kW

PCB A

2

4

5

6

7

8

9

10

11

12

13

15

14

16

17

18

3

1

PCB B, Main control board for 1 phase 5/7/9 kW unit.

Содержание MHC-V10W/D2N1

Страница 1: ...asing our product Before use please carefully read this manual and keep it for future reference MHC V5W D2N1 MHC V7W D2N1 MHC V9W D2N1 MHC V10W D2N1 MHC V12W D2N1 MHC V14W D2N1 MHC V16W D2N1 MHC V12W...

Страница 2: ...Figure 1 Figure 2 Wiring diagram 12 16kW 3 phase for examples 5 7 9 kW 10 12 14 16 kW Please remove the hollow plate after installation Hydraulic System 5 7 9 kW 10 12 14 16 kW...

Страница 3: ...connect to the unit Operation range 1 Heat pump capacity 2 Required heating capacity site dependent 3 Additional heating capacity provided by backup heater Capacity Load Outdoor temperature Tbivalent...

Страница 4: ...piping time to return to normal temperature or be sure to wear protective gloves Do not touch any switch with wet fingers Touching a switch with wet fingers can cause electrical shock Before touching...

Страница 5: ...Install the power wire at least 3 feet 1 meter away from televisions or radios to prevent interference or noise Depending on the radio waves a distance of 3 feet 1 meter may not be sufficient to elim...

Страница 6: ...cient precautions are taken in case of refrigerant leakage according to relevant local laws and regulations 2 When installing the unit in a place exposed to strong wind pay special attention to the fo...

Страница 7: ...bration or noise after installation In accordance with the foundation drawing in the figure fix the unit securely by means of the foundation bolts Prepare four sets each of 10 Expansion bolts nuts and...

Страница 8: ...stacles exist in front of the air inlet 1 2 H H B In case of multiple row installation for roof top use etc 1 In case of installing one unit per row 1 2 H H 5 9kW Unit A mm 1000 1500 10 16kW 7 1 Insta...

Страница 9: ...otherwise the buffer tank 8 should be installed and the total volume of balance tank and buffer tank should larger than 30L The drain valve 6 should be installed at the lowest positon of the system Fo...

Страница 10: ...1 7 flow switch 1 8 P_i circulation pump inside the unit 2 y shape filter 3 stop valve field supply 4 user interface 6 drain valve field supply 7 fill valve field supply 8 buffer tank field supply 9...

Страница 11: ...ating loops and fan coil units Cooling is provided through the fan coil units only Domestic hot water is provided through the domestic hot water tank which is connected to the unit 1 outdoor unit 1 1...

Страница 12: ...s For room thermostat Wiring of the 2 way valve 20 is different for a NC normal closed valve and a NO normal open valve Make sure to connect to the correct terminal numbers as detailed on the wiring d...

Страница 13: ...called permission signal for the auxiliary boiler is determined by the outdoor temperature thermistor located at the outdoor unit See 10 7 Field settings OTHER HEATING SOURCE Bivalent operation is pos...

Страница 14: ...ication b Boiler provide heat for space heating and domestic water heating FHL1 FHL2 FHLn 12 AHS 4 11 10 1 3 2 6 7 8 9 16 14 13 1 13 17 17 15 13 2 17 23 19 24 13 3 17 FHL1 FHL2 FHLn AHS 23 11 10 12 1...

Страница 15: ..._c mixing pump 25 3 way valve field supply FHL 1 n floor heating loop AHS additional heating source boiler NOTE If the volume of balance tank 9 is larger than 30L the buffer tank 8 is unnecessary othe...

Страница 16: ...two set points a mixing station is used to adapt the water temperature according to requirements of the floor heating loops The fan coil units are directly connected to the unit water circuit and the...

Страница 17: ...floor heating loop FCU 1 n fan coil units M1 n motorized valve field supply T1 n room thermostat field supply NOTE If the volume of balance tank 9 is larger than 30L the buffer tank 8 is unnecessary...

Страница 18: ...alve field supply 8 buffer tank field supply 9 balance tank field supply 9 1 air purge valve 9 2 drain valve 10 expansion vessel field supply 11 P_o outside circulate pump field supply 12 collector fi...

Страница 19: ...face refer to 10 7 Field settings OTHER HEATING SOURCE the heating of domestic hot water can be done by either the solar energy kit or heat pump when the solar energy kit turns on signal will sent to...

Страница 20: ...rcuit will be automatically removed via the air purge valve 2 Backup heater The backup heater consists of an electrical heating element that will provide additional heating capacity to the water circu...

Страница 21: ...mperature sensors Four temperature sensors determine the water and refrigerant temperatures at various points in the water circuit 9 Flow switch The flow switch checks the flow in the water circuit an...

Страница 22: ...S1 S2 14 output port for deforst CN34 15 Port for anti freeze eletric heating tape internal CN40 16 Port for anti freeze eletric heating tape internal CN41 17 Output port for external heating source...

Страница 23: ...r Live Wire CN4 13 Reserved CN7 14 Port For 4 way Value CN13 15 Port For Eletric Heating Tape CN14 16 Input Port For Transformer CN26 10 20 19 18 25 17 16 23 22 21 11 13 9 8 7 6 1 9 10 2 3 4 5 10 Inpu...

Страница 24: ...B 5 Backup heater contactor KM1 1 phase 10 16kW 3 phase 12 16kW 3 phase 12 16kW 1 2 3 4 1 2 3 4 5 5 6 1 2 3 4 5 6 7 11 10 9 8 1 Power supply L3 L3 2 Power supply L2 L2 3 Power supply L1 L1 4 Power sup...

Страница 25: ...1 Port for high pressure switch CN6 6 2 Port for low pressure switch CN6 11 Port for power supply CN41 12 Power supply for hydro box control board CN6 13 PFC control port CN63 14 Reserved CN64 15 Port...

Страница 26: ...t port N for IPM module N 4 Input port P for IPM module P 5 Input port for PFC inductance P1 P1 6 Input port for bridge Rectifiers P5 7 Input port for Bridge Rectifiers P6 8 Output port P of PFC P2 9...

Страница 27: ...port 9 YELLOW High pressure switch RED Low pressure switch 10 Th temperature sensor port 11 Pressure sensor port 12 Port for communication between this PCB and main control board of hydraulic module 1...

Страница 28: ...side the unit Check that this air purge valve is not tightened too much so that automatic release of air in the water circuit remains possible A A 9 3 Water pipework All piping lengths and distances h...

Страница 29: ...ycol for 1 phase 10 16 kW and 3 phase 12 16 kW unit A2 System without glycol for the 5 7 9 kW unit Example 1 The unit 16kW is installed 10m below the highest point in the water circuit The total water...

Страница 30: ...To ensure that the glycol is compatible with the materials used in the system 28 There need drying Protecting the water circuit against freezing Frost can cause damage to the hydraulic system As this...

Страница 31: ...e ground fault circuit interrupter 9 6 2 Overview The illustration below gives an overview of the required field wiring between several parts of the installation Refer also to 8 Typical application ex...

Страница 32: ...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...

Страница 33: ...e 6 Low voltage wire hole 7 Low voltage wire hole backup 8 Low voltage wire hole backup 9 Water inlet 10 water outlet 1 2 3 4 5 6 7 8 9 1 phase 5 7 9 kW 1 phase 10 16kW 3 phase 12 16kW 1 Equipment mus...

Страница 34: ...y terminal Loose connections may cause overheating When connecting wires of the same gauge connect them according to the figure below Use the correct screwdriver to tighten the terminal screws Small s...

Страница 35: ...showed in the picture Make sure to connect it to the correct terminal numbers Port provide the control signal to the load Two kind of control signal port Type 1 dry connector without voltage NOTE 3 L...

Страница 36: ...ct voltage is 230VAC for both side L N H N the unit working in cooling mode Method B RT provide the switch signal to unit user interface FOR SERVICEMAN set ROOM THERMOSTAT and MODE SETTING to YES B 1...

Страница 37: ...ort Y and port E corresponds to port E PLEASE USE SHIELDED WIRE AND EARTH THE WIRE Procedure 1 Connect the cable to the appropriate terminals as shown on the picture 2 Fix the cable with cable ties to...

Страница 38: ...O mode the default curve is curve 6 refer to the operation manual 6 2 2 Weather Temperature set if ECO mode is enabled please refer to the operation manual 6 2 3 ECO Mode Once the curve is selected th...

Страница 39: ...lows configuration of additional heating source thermistor installation the second inner backup heater installation etc Switch off the power supply before opening the switch box service panel and maki...

Страница 40: ...oster heater circuit breaker applies only to units with optional domestic hot water tank installed 10 5 Powering up the unit Operating the system with closed valves will damage the circulation pump 12...

Страница 41: ...and space operation 5 DHW PUMP set the parameters for DHW pump operation The functions above apply only to installations with a domestic hot water tank How to set the DHW mode To determine whether the...

Страница 42: ...p The operation of the unit during DHW mode described in the picture below In the picture T5stop is a parameter related to ambient temperature which cannot be changed in the user interface When T5 T5s...

Страница 43: ..._DHWHP_RESTRICT 180MIN 180MIN 1 5 DHW PUMP COOL MODE SETTING HIGH YES NON COOL MODE SETTING When the cursor is on COOL MODE Use to select YES or NON Then press OK to enable or disable the cool mode Wh...

Страница 44: ...off as described below When the target outlet water temperature T1S 47 the unit will on or off as described below t_INTERVAL_H is the compressor start time interval in heat mode When the compressor s...

Страница 45: ...is available How to set the ROOM THERMOSTAT To set the ROOM THERMOSTAT go to MENU FOR SERVICEMAN ROOM THERMOSTAT Press OK The following page is displayed In this state the first target outlet water t...

Страница 46: ...n in the picture below dT1_IBH_ON is the temperature difference between T1S and T1 for starting the backup heater Only when at the T1 T1S dT1_IBH_ON can the backup heater turn on When a second backup...

Страница 47: ...o enter the HOLIDAY AWAY SETTING To enter the HOLIDAY AWAY SETTING go to MENU FOR S ERVICEMAN HOLIDAY AWAY SETTING Press OK The following page is displayed When the cursor is on T1S_H A _H or T5S_H M_...

Страница 48: ...played as follows During HEAT MODE test running the default target outlet water temperature is 35 C The first backup heater will turn on after the compressor runs for 10 min 60s later the second backu...

Страница 49: ...ge is displayed During test run all buttons except OK are invalid If you want to turn off the test run please press OK For example when the unit is in air purge mode after you press OK the page will d...

Страница 50: ...get outlet water temperature during floor drying up described in the picture below When the cursor is on OPERATE FLOOR DRYING Use to scroll to YES and press OK The page will be displayed as follows Du...

Страница 51: ...ound contact your local dealer In case the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact your local dealer 4 Pressure relief valve ho...

Страница 52: ...hot water applies only to installations with a domestic hot water tank Symptom 5 The water pressure relief valve leaks POSSIBLE CAUSES CORRECTIVE ACTION Dirt is blocking the water pressure relief valv...

Страница 53: ...emperature of refrigerant at inlet outlet of plate heat exchanger when in heat mode cool mode Error protection code for the last time will display if no error protection occur Error protection code fo...

Страница 54: ...dule The backup heater exchanger outlet water temperature sensor T1 error Error code Malfunction or protection Failure cause and Corrective action 1 The T5 sensor connector is loosen Reconnect it 2 Th...

Страница 55: ...low to the fan 2 fan motor is broken change a new fan motor 1 Whether the power supply input is in the available range 2 Power off and power on for several times rapidly in short time Remain the unit...

Страница 56: ...ation Heating mode DHW mode 1 The water flow is low water temp is high whether there is air in the water system Release the air 2 Water pressure is lower than 0 1Mpa charge the water to let the pressu...

Страница 57: ...g pressure MWP Pressure relief valve water circuit 1 phase 5 7 9 10 12 14 16 3 phase 12 14 16 Standard unit power supply via unit Standard unit power supply via unit power supply nominal running curre...

Страница 58: ...ent 0 90 0 90 0 90 0 90 0 90 0 90 0 90 Pdh declared heating capacity kW 5 3 6 7 7 8 9 0 6 6 7 2 8 6 COPd declared COP 4 10 4 25 4 09 3 99 4 08 3 97 3 97 Cdh degradation coefficient 0 90 0 90 0 90 0 90...

Страница 59: ...nt 0 90 0 90 0 90 0 90 0 90 0 90 0 90 Pdh declared heating capacity kW 2 6 2 6 2 1 2 1 3 0 2 8 2 8 COPd declared COP 5 37 5 37 4 82 4 77 5 68 5 20 5 28 Cdh degradation coefficient 0 90 0 90 0 90 0 90...

Страница 60: ...58 2 7...

Страница 61: ...59 3 8 1 66 0 90 3 0 2 12 0 90 1 7 3 01 0 90 1 2 3 91 0 90 1 1 5 84 0 90 20 4 2 1 37 40 15 3 8 1 66 0 2...

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Страница 63: ...Inverter Inverter Inverter Inverter Inverter Poff Power consumption Off mode kW 0 017 0 017 0 017 0 017 0 027 0 027 0 027 Pto Power consumption Thermostat off mode kW 0 006 0 006 0 006 0 006 0 006 0 0...

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Страница 65: ...Heat pump combination heater Parameters shall be declared for medium temperature application except for low temperature heat pumps For low temperature heat pumps parameters shall be declared for low t...

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Страница 94: ...water temperature MHC V12W D2N1 MHC V14W D2N1 MHC V16W D2N1 18 12 14 15 7 12 12 5 13 0 18 6 64 6 18 5 88 7 5 34 4 86 4 34 Outlet water temperature MHC V12W D2RN1 MHC V14W D2RN1 MHC V16W D2RN1 18 12 13...

Страница 95: ...93...

Страница 96: ...quantities of 50 tonnes of CO2 equivalent or more but of less than 500 tonnes of CO2 equipment at least every six months or where a leakage detection system is installed at least every 12 months 3 For...

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