CLIVET WiSAN-YME 1 S 2.1 Service Manual
  1. Manuals
  2. Brands
  3. CLIVET Manuals
  4. Air Conditioner
  5. WiSAN-YME 1 S 2.1
  6. Service manual

CLIVET WiSAN-YME 1 S 2.1 Service Manual

Hide thumbs Also See for WiSAN-YME 1 S 2.1:
Table of Contents

Advertisement

Quick Links

Service manual
WiSAN-YME 1 S 2.1-14.1
SM23B087GB-00
06-2023

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WiSAN-YME 1 S 2.1 and is the answer not in the manual?

Questions and answers

Related Manuals for CLIVET WiSAN-YME 1 S 2.1

Summary of Contents for CLIVET WiSAN-YME 1 S 2.1

  • Page 1 Service manual WiSAN-YME 1 S 2.1-14.1 SM23B087GB-00 06-2023...

  • Page 3: Table Of Contents

    Summary Power range and furniture ................... 5 Power ........................... 5 Furniture ........................5 Layout of components ..................6 Sizes 2.1 - 3.1 ....................... 6 Sizes 4.1 - 5.1 ....................... 7 Sizes 6.1T - 7.1T - 8.1T ....................8 Sizes 9.1 - 10.1 - 12.1 - 14.1 ..................9 Refrigeration circuit ....................

  • Page 5: Power Range And Furniture

    POWER RANGE AND FURNITURE Power range and furniture Power 1.1.1 Single-phase unit Size Capacity Kw 1.1.2 Three-phase unit Size 10.1 12.1 14.1 Capacity Kw Furniture 2.1 - 3.1 4.1 - 8.1 9.1 - 14.1...

  • Page 6: Layout Of Components

    LAYOUT OF COMPONENTS 2. Layout of components Sizes 2.1 - 3.1 N° Component Pressure sensor Electronic expansion valve High pressure switch Water flow switch Air relief valve Source exchanger: finned coil 4-way valve Main board Water side heat exchanger Water circulator Low pressure switch Compressor inverter Gas-suction separator...

  • Page 7: Sizes 4.1 - 5.1

    LAYOUT OF COMPONENTS Sizes 4.1 - 5.1 N° Component Electronic expansion valve Water flow switch Air relief valve Water pressure relief valve Pressure sensor 4-way valve High pressure switch Source exchanger: Finned coil Fan motor Main board Water circulator Water side heat exchanger Gas-suction separator Low pressure switch Compressor inverter...

  • Page 8: Sizes 6.1T - 7.1T - 8.1T

    LAYOUT OF COMPONENTS Sizes 6.1T - 7.1T - 8.1T N° Component High pressure switch 4-way valve Pressure sensor Electronic expansion valve Gas-suction separator Water flow switch Air relief valve Water pressure relief valve Source exchanger: Finned coil Fan motor Main board Water circulator Water side heat exchanger Low pressure switch...

  • Page 9: Sizes 9.1 - 10.1 - 12.1 - 14.1

    LAYOUT OF COMPONENTS Sizes 9.1 - 10.1 - 12.1 - 14.1 N° Component Main board 4-way valve Pressure sensor Electronic expansion valve High pressure switch Low pressure switch Water circulator Water pressure relief valve Pressure gauge Compressor inverter Gas-suction separator Fan motor Source exchanger: Finned coil Liquid receiver...

  • Page 10: Refrigeration Circuit

    REFRIGERATION CIRCUIT 3. Refrigeration circuit Refrigerant circuit diagram Refrigerant temperature sensor - gas line Electronic expansion valve Refrigerant temperature sensor - liquid line Evaporation (cooling) / condensing (heating) sensor Water outlet temperature sensor Outdoor temperature sensor Water inlet temperature sensor Air side exchanger Automatic vent Capillary...
  • Page 11 REFRIGERATION CIRCUIT 3.1.1 Main components: Separator: separates refrigerant liquid from refrigerant gas to protect compressor from liquid hammering. Electronic expansion valve (EXV): controls refrigerant flow and reduces refrigerant pressure. 4-way valve: controls refrigerant flow direction. Closed in cooling mode and open in heating mode. When closed, the air side exchanger functions as a condenser and water side exchanger functions as an evaporator.

  • Page 12: Heating And Domestic Hot Water Operation

    REFRIGERATION CIRCUIT Heating and Domestic Hot Water operation High temperature, high pressure, gas Green Low temperature, low pressure Viola High temperature, high pressure, liquid Cooling and defrosting operation High temperature, high pressure, gas Green Low temperature, low pressure Viola High temperature, high pressure, liquid...

  • Page 13: Control

    CONTROL 4. Control Stop Shutdown occurs for one of the following reasons: Abnormal shutdown: in order to protect the compressors and other components, if an abnormal state occurs the system stops and an error code is displayed on the PCB digital displays and on the user interface. The system stops when the set temperature has been reached.
  • Page 14 CONTROL 4.3.2.1 Sizes 2.1 - 3.1 - 6.1 - 7.1 - 8.1: ambient temperature higher than 3°C 4.3.2.2 Sizes 4.1 - 5.1: ambient temperature higher than 11°C 4.3.2.3 Sizes 2.1 - 3.1: ambient temperature at or lower than 3°C Sizes 4.1 -5.1: ambient temperature at or lower than 11°C...
  • Page 15 CONTROL 4.3.2.4 Sizes 6.1 - 7.1 - 8.1 / 6.1T - 7.1T - 8.1T: ambient temperature or lower than 3°C 4.3.2.5 Sizes 9.1 - 14.1: ambient temperature higher than 8°C 4.3.2.6 Sizes 9.1 - 14.1: ambient temperature at or lower than 8°C...

  • Page 16: Startup In Heating And Domestic Hot Water Mode

    CONTROL Startup in heating and domestic hot water mode Refer to wiring Component Control functions and states diagram Compressor startup program selected according to DC inverter compressor COMP ambient temperature1 Fan run at maximum speed2 Position (steps) from 0 (fully closed) to 480 (fully open), controlled according to outdoor ambient temperature, Electronic expansion valve discharge temperature, suction overheating, compressor...

  • Page 17: Normal Operation

    CONTROL Normal operation 4.6.1 Component control in heating and domestic hot water mode Refer to wiring Component Control functions and states diagram Controlled according to load requirement from DC inverter compressor COMP hydronic system Controlled according to outdoor heat exchanger temperature Position (steps) from 0 (fully closed) to 480 (fully open), controlled according to outdoor ambient temperature,...
  • Page 18 CONTROL During heating and DHW operations, the four-way valve is on; during cooling and defrosting operations, the four-way valve is off. 4.6.6 Electronic expansion valve control The position of the electronic expansion valve (EXV) is controlled in steps from 0 (fully closed) to 480 (fully open). •...

  • Page 19: Protection Control

    CONTROL Protection control 4.7.1 High pressure protection control This control protects the refrigerant circuit from abnormally high pressure and protects the compressor from transient spikes in pressure. Normal operation (sizes 2.1 to 8.1) ↓ ↑ Pc > 4,3 MPa Pc < 3,6 MPa High pressure protector, error code P1 is displayed Normal operation (sizes 9.1 to 14.1) ↓...
  • Page 20 CONTROL 4.7.3 High discharge temperature protection control This control protects the compressor from abnormally high temperatures and transient spikes in temperature. Normal operation (sizes 2.1 to 8.1) ↓ ↑ Discharge temperature > 115°C Discharge temperature < 95°C High discharge temperature protection, error code P4 is displayed Normal operation (sizes 9.1 to 14.1) ↓...
  • Page 21 CONTROL 4.7.5 Compressor current protection control This control protects the compressor from abnormally high currents. Normal operation ↓ ↑ Current > Max current Current < Max current Current compressor protection, error code P3 is displayed Size 2,1 - 3.1 4.1 - 5.1 6.1-7.1-8.1 6.1T-7.1T-8.1T 10.1...
  • Page 22 CONTROL elapsed. 4.7.7 DC fan motor protection control This control protects the DC fan motor from strong winds and abnormal power supply. DC fan motor protection occurs when any one of the following three sets of conditions are met: The outdoor ambient temperature is at or above 4°C and actual fan speed differs from set fan speed by 200 rpm or more for more than 3 minutes.

  • Page 23: Special Controls

    CONTROL 4.7.9 Module temperature protection control This control protects the module from abnormally high temperatures. Normal operation ↓ ↑ Module temperature ≥ Tf2 Module temperature ≤ Tf0 Low discharge temperature protection, error code C7 is displayed When the module temperature rises to or above Tf2, the system displays C7 protection and the unit shuts down. When the module temperature drops to or below Tf0-1, the compressor enters re-start control.
  • Page 24 CONTROL 4.8.1.2 Component control during oil return operation in heating and DHW modes. Refer to wiring Component Control functions and states diagram DC inverter compressor COMP Runs at oil return operation rotation speed Controlled according to heating mode Electronic expansion valve 304 (steps) 4-way valve STF*/STF1**...
  • Page 25 CONTROL 4.8.3 Fast DHW Operation Fast DHW operation is used to quickly fulfil a requirement for domestic hot water when DHW priority has been set on the user interface. Refer to installation manual of SPHERA EVO 2.0, Part 10 “Control”. Refer to wiring Component Control functions and states...
  • Page 26 CONTROL 4.8.5 Photovoltaic and Smart Grid The unit is Smart Grid Ready certified and is equipped with logic for connection to devices that balance loads connected to the power grid and optimise overall power consumption. Connection is optional and the function can be enabled at the keyboard and is linked to the SG ON/OFF input, which receives a status signal from the mains.
  • Page 27 CONTROL 4.8.6 Balance tank temperature control The balance tank temperature sensor is used to control switch-on/off of the heat pump. When the heat pump stops, the internal pump stops to save energy and the balance tank provides hot water to heat the room.
  • Page 28 CONTROL 4.8.8 M1M2 dry contact control M1M2 can be set in the wired controller for heat pump on/off control, TBH control and AHS control. • For heat pump on/off control. When the dry contact closes for 1s, the heat pump stops. When the dry contact opens for 5 seconds, the heat pump switches on/off according to the setting of the wired controller or ambient thermostat.
  • Page 29 CONTROL • compressor drive4 • compressor output5 • electronic expansion valve2 • defrosting operation7 • low pressure protection7 • Carter heater control9 Outdoor temperature sensor • compressor drive4 • compressor output5 • electronic expansion valve2 • fans3 • carter heater9 •...
  • Page 30 CONTROL • Disinfection • Boiler immersion heater • Backup electric heater Domestic hot water tank temperature • Auxiliary heat source sensor • Solar energy kit • Compressor output 5 • Hot water priority 11 Heating Cooling Domestic hot water...

  • Page 31: Layout Of Electrical Panel

    LAYOUT OF ELECTRICAL PANEL 5. Layout of electrical panel Sizes 2.1 - 3.1 Refrigerant circuit board Water circuit board Connection terminal blocks Compressor inverter Sizes 4.1 - 5.1 Refrigerant circuit board Water circuit board Connection terminal blocks Power supply terminal block Compressor inverter...

  • Page 32: Sizes 6.1 - 7.1 - 8.1

    LAYOUT OF ELECTRICAL PANEL Sizes 6.1 - 7.1 - 8.1 Refrigerant circuit board Water circuit board Connection terminal blocks Compressor inverter Sizes 6.1T - 7.1T - 8.1T Refrigerant circuit board Water circuit board Connection terminal blocks Power supply terminal block Compressor inverter...

  • Page 33: Sizes 9.1 - 10.1 - 12.1 - 14.1

    LAYOUT OF ELECTRICAL PANEL Sizes 9.1 - 10.1 - 12.1 - 14.1 Refrigerant circuit board Water circuit board Compressor inverter Filter board Compressor inverter...

  • Page 34: Layout Of Pcb Boards

    LAYOUT OF PCB BOARDS 6. Layout of PCB boards The units have two main PCBs: one for the refrigerant circuit and one for the water circuit. The main board of the hydronic system is the same on all models. Water circuit board 2.1 - 14.1...
  • Page 35 LAYOUT OF PCB BOARDS Code Description CN21 Port for power supply Rotary Dip switch DIS1 Digital display Port for grounding CN28 Port for variable speed pump power supply input CN25 Port for IC programming S1,S2,S4 Dip switch Port for USB programming Port for flow switch Port for temperature sensors (T2,T2B,TW_out,TW_in, T1,) CN24...

  • Page 36: Refrigerant Circuit Board - 21.- 3.1 - 4.1 - 5.1

    LAYOUT OF PCB BOARDS Refrigerant circuit board - 21.- 3.1 - 4.1 - 5.1...
  • Page 37 LAYOUT OF PCB BOARDS Code Description CN28 Output port L to refrigerant circuit board CN22 Reserved CN27 Output port N to refrigerant circuit board Reserved Port for grounding wire DSP1 Digital display CN17 Port for communication with refrigerant circuit board Port for grounding wire CN26 Reserved...

  • Page 38: Refrigerant Circuit Module 6.1 - 7.1 - 8.1 Single-Phase

    LAYOUT OF PCB BOARDS Refrigerant circuit module 6.1 - 7.1 - 8.1 single-phase...
  • Page 39 LAYOUT OF PCB BOARDS Sign Description CN28 Output port L to MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM CN22 Reserved CN27 Output port N to MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM Reserved Port for earth wire DSP1 Digital display CN17 Port for communication with the MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM Port for earth wire CN26 Port for IC programming...

  • Page 40: Refrigerant Circuit Module 6.1T - 7.1T - 8.1T

    LAYOUT OF PCB BOARDS Refrigerant circuit module 6.1T - 7.1T - 8.1T Sign Description CN38 Port for GND CN27 Connection for 2-way valve 5 CN20 Connection for 2-way valve 6 CN10 Port for electric heating tape1 Port for electric heating tape2 CN11 Port for IC programming CN18...
  • Page 41 LAYOUT OF PCB BOARDS Sign Description DSP1 Digital display (DSP1) S5,S6 DIP switch (S5, S6) CN31 Port for high pressure switch (CN31) CN29 Connection for low pressure switch and quick control (CN29) Rotary immersion switch (S3) CN35 Port for temperature sensors (TW_out, TW_in, T1, T2, T2B ) CN28 Port for XYE communication S5, S6...
  • Page 42 LAYOUT OF PCB BOARDS Refrigerant circuit module 9.1 - 10.1 - 12.1 - 14.1 Sign Description CN41 Power supply port for PCB B CN11 Port for IC programming Port for pressure sensor Port for suction temperature sensor Port for supply temperature sensor Port for outdoor ambient temperature sensor and condenser temperature sensor CN29 Port for low pressure switch and quick control...
  • Page 43 LAYOUT OF PCB BOARDS Sign Description CN10 Port for electric heating tape1 Port for electric heating tape2 CN37 Port for D1D2E communication CN31 Port for high pressure switch and quick control CN30 Port for 15VDC fan power supply CN107/109 Port for fan CN36 Port for communication with PCB A CN38...

  • Page 44: Inverter Module - 2.1. - 3.1

    LAYOUT OF PCB BOARDS Inverter module - 2.1. - 3.1 Sign Description Compressor connection port U Compressor connection port V Compressor connection port W CN20 Output port for +12V/9V CN19 Port for fan CN32 Port for communication with main PCB for filter board CN502 Input port L for rectifier bridge CN501...

  • Page 45: Inverter Module - 4.1. - 5.1

    LAYOUT OF PCB BOARDS Inverter module - 4.1. - 5.1 Sign Description Compressor connection port U Compressor connection port V Compressor connection port W CN20 Output port for +12V/9V CN19 Port for fan CN32 Port for communication with main PCB for filter board CN502 Input port L for rectifier bridge CN501...

  • Page 46: Inverter Module - 6.1. - 7.1 - 8.1 Single-Phase

    LAYOUT OF PCB BOARDS Inverter module - 6.1. - 7.1 - 8.1 single-phase Sign Description Compressor connection port U Compressor connection port V Compressor connection port W CN19 Port for fan CN20 Output port for +12V/9V CN32 Port for communication with main PCB for filter board CN23 Port for high pressure switch RESERVED...

  • Page 47: Inverter Module - 6.1.T - 7.1T - 8.1T

    LAYOUT OF PCB BOARDS Inverter module - 6.1.T - 7.1T - 8.1T Sign Description Output port for +15V Compressor connection port W Compressor connection port V Compressor connection port U Power supply port L1 Power supply port L2 P_out Input port P_out for IPM module Power supply port L3 P_in Input port P_in for IPM module...

  • Page 48: Inverter Module - 9.1. - 10.1 - 12.1 - 14.1

    LAYOUT OF PCB BOARDS Inverter module - 9.1. - 10.1 - 12.1 - 14.1 6.10 Sign Description CN20 Output port for +15V Port for communication with PCB B Compressor connection W Compressor connection U Compressor connection V Input port P_out for IPM module Input port P_in for IPM module CN23 Input port for high pressure switch...

  • Page 49: Filter Module 6.1T - 7.1T - 8.1T

    LAYOUT OF PCB BOARDS Filter module 6.1T - 7.1T - 8.1T 6.11 Sign Description CN201 Power supply L2 CN200 Power supply L3 CN203 Power supply N CN212 310VDC power supply port CN211 Power supply port for load CN213 Port for FAN reactor CN214 Power supply port for Inverter module Earth wire...

  • Page 50: Filter Module - 9.1. - 10.1 - 12.1 - 14.1

    LAYOUT OF PCB BOARDS Filter module - 9.1. - 10.1 - 12.1 - 14.1 6.12 Sign Description Power supply L3 Power supply L2 Power supply L1 Power supply N Earth wire CN212 Power supply port for DC fan CN30 Power supply port for main control board L1’...

  • Page 51: Display

    LAYOUT OF PCB BOARDS Display 6.13 Parameters displayed on Parameters displayed on Outdoor unit status the refrigerant system the hydronic system DSP1 DSP1 Waiting Compressor operation Outlet water temperature Normal operation speed in rotations per (°C) second Error or protection Error or protection code Error or protection code DIP Switch setting...
  • Page 52 LAYOUT OF PCB BOARDS...

  • Page 53: Table Of Error Codes

    TABLE OF ERROR CODES 7. Table of error codes Transducer module temperature too high Water flow error (E8 is displayed 3 times) Applies to three-phase Phase sequence error models only Communication error between the user interface and the main control board of hydraulic module Outlet water temperature sensor error T1 sensor Domestic hot water tank temperature sensor error...
  • Page 54 TABLE OF ERROR CODES High temperature difference between water side heat exchanger water inlet and water outlet temperatures protection Inverter module protection Inverter module protection DC bus low voltage protection DC bus high voltage protection MCE error Zero speed protection Phase sequence error Compressor frequency variation greater than 15Hz within one second protection...

  • Page 55: Troubleshooting

    TROUBLESHOOTING 8. Troubleshooting E0, E8 Description • Water flow error. • E0 indicates that E8 has been displayed 3 times. When E0 error occurs, a manual system restart is required before the system can resume operation. • The unit shuts down. •...
  • Page 56 TROUBLESHOOTING Procedure E0 - E8 ↓ → Flow switch connection on unit’s main PCB is loose Ensure the flow switch is connected properly ↓ Check the water piping and valves. Make sure the piping is clean, there is no air in the piping and all →...
  • Page 57 TROUBLESHOOTING Description Phase sequence error. Applies to three-phase models only. The unit shuts down. The error code is displayed on the main PCB and user interface. Possible causes Power supply phases not connected in the correct sequence. Loosened power supply terminals. Abnormal power supply.
  • Page 58 TROUBLESHOOTING Procedure ↓ The phase sequence of the three-phase power → Swap any two of the 3 phase wires supply is incorrect (1) ↓ → Ensure that all power supply terminals are Some power supply terminals are loose (2) connected properly ↓...
  • Page 59 TROUBLESHOOTING Description Communication error between unit and user interface. The unit shuts down. The error code is displayed on the main PCB and user interface. Possible causes Communication wires between unit and user interface not connected properly. Communication wiring X Y E terminals disconnected. Loosened wiring inside the electric control box.
  • Page 60 TROUBLESHOOTING Procedure ↓ Communication wires X Y E have short-circuited, → disconnected or Reconnect the communication wires are misconnected (1) ↓ Communication wires X Y E are not connected in → Connect the communication wires in a loop a loop ↓...
  • Page 61 TROUBLESHOOTING E3, E4, Ed, H3, H5, HA, H9, Ec, E7 Description E3 indicates a backup electric heater water outlet temperature sensor error (T1) E4 indicates a domestic hot water tank temperature sensor error (T5) H3 indicates a water side exchanger refrigerant inlet (liquid pipe) temperature sensor error (T2) Ed indicates a water side heat exchanger water inlet temperature sensor error (Tw_in) HA indicates a water side heat exchanger water outlet temperature sensor error (Tw_out) H5 indicates an ambient temperature sensor error (Ta)
  • Page 62 TROUBLESHOOTING Procedure E3 E4 Ed H3 H5 HA H9 Ec E7 ↓ Temperature sensor connection on main PCB is → Ensure the sensor is connected properly loose (1) ↓ → Temperature sensor has short-circuited or failed (2) Replace the sensor ↓...
  • Page 63 TROUBLESHOOTING E5, E6, E9, EA Description E5 indicates an air side heat exchanger refrigerant outlet temperature sensor error. E6 indicates an outdoor ambient temperature sensor error. E9 indicates a suction pipe temperature sensor error. EA indicates a discharge temperature sensor error. The unit shuts down.
  • Page 64 TROUBLESHOOTING Procedure E5 E6 E9 EA ↓ Temperature sensor connection on main PCB is → Ensure the sensor is connected properly loose (1) ↓ → Temperature sensor has short-circuited or failed (2) Replace the sensor ↓ Replace the unit’s main PCB Air side exchanger refrigerant outlet temperature sensor and outdoor ambient temperature sensor connections are port CN9 on the unit’s main PCB.
  • Page 65 TROUBLESHOOTING Description Unit main PCB EEPROM error. The unit shuts down. The error code is displayed on the main PCB and user interface. Possible causes The main PCB EEPROM is not connected properly. Main PCB is damaged. Procedure ↓ The main PCB EEPROM is not connected properly →...
  • Page 66 TROUBLESHOOTING Description Low DC generatrix voltage. The unit shuts down. The error code is displayed on the main PCB and user interface. Possible causes DC generatrix voltage is too low Procedure ↓ → Power supply is abnormal Provide normal power ↓...
  • Page 67 Ensure the EEPROM is connected properly ↓ Replace main PCB The unit EEPROM is assigned IC320 on single-phase unit WiSAN-YME 1 S 2.1 - 5.1, assigned IC14 on single- phase unit WiSAN-YME 1 S 6.1-8.1 and assigned IC25 on unit WiSAN-YME 1 S 6.1T-14.1...
  • Page 68 Measure the voltages of transformer input port and on main PCB. The normal transformer voltage for units WiSAN-YME 1 S 2.1-8.1T is 220V input and 18V output. The normal transformer voltage for units WiSAN-YME 1 S 9.1-14.1 is 220V input and 13.5V output. If one or more of the voltages is not normal, the power supply of the refrigerating system’s main control board and transformer is abnormal.
  • Page 69 TROUBLESHOOTING Description Communication error between main control board and inverter module. The unit shuts down. The error code is displayed on the main PCB and user interface. Possible causes Abnormal power supply. Transformer malfunction Interference from a source of electromagnetic radiation. Main PCB or inverter driven module damaged.
  • Page 70 TROUBLESHOOTING H6, HH Description • H6 indicates a DC fan error. • HH indicates that H6 protection has occurred 10 times in 2 hours. When HH error occurs, a manual system restart is required before the system can resume operation. The cause of HH error should be addressed promptly in order to avoid system damage.
  • Page 71 TROUBLESHOOTING Procedure H6-HH ↓ Strong wind blows towards the fan, causing it to → Change the unit’s installation direction or build a turn in the wrong direction shelter to protect the fan from strong wind ↓ Fan communication or controller wiring →...
  • Page 72 TROUBLESHOOTING Description • Abnormal main circuit voltage. • The unit shuts down. • The error code is displayed on the main PCB and user interface. Possible causes • Power supply voltage not within ±10% of the rated voltage or a phase is missing. •...
  • Page 73 TROUBLESHOOTING Description • High pressure sensor error • The unit shuts down. • The error code is displayed on the main PCB and user interface. Possible causes • Temperature sensor not connected properly or has malfunctioned. • The main PCB is damaged. Procedure ↓...
  • Page 74 TROUBLESHOOTING P0, HP Description • P0 indicates suction pipe low pressure protection. When the suction pressure falls below 0.14 MPa, the system displays P0 protection and the unit shuts down. When the pressure rises above 0.3 MPa, P0 is removed and normal operation resumes. •...
  • Page 75 TROUBLESHOOTING Procedure P0-HP ↓ → Insufficient refrigerant caused by leakage (1) Add refrigerant or inspect the system for leaks ↓ The low pressure side is blocked, caused by Inspect the system and fix the error. If the filter is → crushed or bent pipe, blocked EEV, or dirty filter (2) blocked by ice, the piping should be cleaned ↓...
  • Page 76 TROUBLESHOOTING Description • Discharge piping system high pressure protection. When the discharge pressure rises above 4.3 MPa, the system displays P1 protection and the unit shuts down. When the discharge pressure falls below 3.6 MPa, P1 is removed and normal operation resumes. •...
  • Page 77 TROUBLESHOOTING Procedure ↓ High pressure switch connection or pressure → Ensure the pressure switch is connected properly sensor connection on main PCB is loose ↓ → Pressure sensor has short-circuited or failed (1) Replace the pressure sensor ↓ The high pressure side is blocked, caused by →...
  • Page 78 When the current returns to the normal range, P3 is removed and normal operation resumes. The protection values for the units are: − WiSAN-YME 1 S 2.1-3.1 - 18A − WiSAN-YME 1 S 4.1-5.1 - 19A − WiSAN-YME 1 S 6.1-8.1 - 30A −...
  • Page 79 TROUBLESHOOTING Procedure ↓ → Power supply is abnormal Check the power supply equipment ↓ → Poor condenser heat exchange (1) Inspect the system and fix the error ↓ The high pressure side is blocked, caused by → Inspect the system and fix the error crushed or bent pipe or blocked EEV (2) ↓...
  • Page 80 TROUBLESHOOTING Description • Discharge temperature protection • When the compressor discharge temperature rises above 115°C, the system displays P4 protection and the unit shuts down. When the discharge temperature falls below 95°C, P4 is removed and normal operation resumes. • The error code is displayed on the main PCB and user interface.
  • Page 81 TROUBLESHOOTING Procedure ↓ Discharge pipe temperature sensor connection on → Ensure the temperature sensor is connected the main PCB is loose properly ↓ Backup electric heat exchanger water outlet temperature sensor connection, domestic hot → Ensure the temperature sensor is connected water tank temperature sensor connection or water properly side exchanger water outlet temperature sensor...
  • Page 82 TROUBLESHOOTING Description • High temperature difference between water side heat exchanger water inlet and water outlet temperatures protection. • The unit shuts down. • The error code is displayed on the main PCB and user interface. Possible causes • Temperature sensor not connected properly or has failed. •...
  • Page 83 TROUBLESHOOTING Procedure ↓ Exchanger water inlet/outlet temperature sensor is → Ensure the temperature sensor is loose connected properly ↓ Exchanger water inlet/outlet temperature sensor → Replace the temperature sensor has short-circuited or failed (1) ↓ → Water piping contains air Purge air from the water system ↓...
  • Page 84 TROUBLESHOOTING L0, L1, L2, L4, L5, L8, L9 - SINGLE-PHASE units Description Inverter module protection The unit shuts down. Specific error code L0, L1, L2, L4, L5, L7, L8 or L9 is displayed on the main PCB and user interface. Possible causes Inverter module protection DC bus low or high voltage protection.
  • Page 85 TROUBLESHOOTING L9 - current compressor frequency differs from set Flashes 17 times and stops for 1 second, then resumes frequency by more than 15 Hz protection LED position Inverter module 6.1-7.1-8.1 LED1 flashing pattern (green) Corresponding error LED2 always on (red) Flashes 3 times and stops for 1 second, then resumes.
  • Page 86 TROUBLESHOOTING Principle of DC inverter The contactor is open, current across the PTC to charge the capacitor, after 5 seconds the contactor closes. 220/240V AC power supply changes to DC power supply after bridge rectifier The capacitor’s steady output power supply for inverter module P N terminals. In standby the voltage between P and N terminals on inverter module is 1.4 times the AC power supply.
  • Page 87 TROUBLESHOOTING ↓ → Inverter module is damaged1 Replace the inverter module2 Notes: Measure the resistance between each of U, V and W terminal and each P and N terminal on the inverter module. All the resistances should be infinite. If any of them are not infinite, the inverter module is damaged and should be replaced.
  • Page 88 TROUBLESHOOTING Situation 2: L0 or L4 error is displayed immediately after compressor startup L0 - L4 ↓ U V W wire between inverter module and → Ensure U V W wire is connected properly compressor is not connected properly (1) ↓...
  • Page 89 TROUBLESHOOTING Situation 4: L0 or L4 error is displayed after the compressor has been in operation for a period of time and the compressor speed is over 60 rps L0 - L4 ↓ Repaint a layer of thermally conductive silica gel →...
  • Page 90 TROUBLESHOOTING ↓ → Restart the unit once the power supply has Power supply is abnormal returned to normal ↓ Replace the inverter module (1) Notes: When replacing an inverter module, a layer of thermally conductive silica gel should be painted on the IPM module, IGBT, diode, bridge rectifier (on the reverse side of the inverter module PCB).
  • Page 91 TROUBLESHOOTING ↓ → The wire is not connected properly Ensure the wire is connected properly ↓ → Inverter module PCB is damaged Replace the inverter module (1) ↓ Replace the compressor Notes: When replacing an inverter module, a layer of thermally conductive silica gel should be painted on the IPM module (on the reverse side of the inverter module PCB).
  • Page 92 TROUBLESHOOTING L0, L1, L2, L4, L5, L8, L9 - THREE-PHASE units Description • Inverter module protection • The unit shuts down. • Specific error code L0, L1, L2, L4, L5, L7, L8 or L9 is displayed on the main PCB Possible causes •...
  • Page 93 TROUBLESHOOTING LED position Sizes 6.1-8.1 Sizes 9.1-14.1...
  • Page 94 TROUBLESHOOTING Principle of DC inverter 380-240V AC power supply changes to DC power supply after bridge rectifier The contactor is open, current across the PTC to charge the capacitor, after 5 seconds the contactor closes. The capacitor’s steady output 540V DC power supply for inverter module P N terminals...
  • Page 95 TROUBLESHOOTING L0 Troubleshooting Situation 1: L0 error is displayed immediately after the unit is switched on ↓ Communication wire between the main control → Ensure the communication wire is connected board of the refrigerant system for the inverter properly module (4-pin) is not connected properly (1) ↓...
  • Page 96 TROUBLESHOOTING Situation 2: L0 error is displayed immediately after compressor startup ↓ → DC bus wire is connected properly (1) Ensure the wire is connected properly ↓ → Compressor has malfunctioned (2) Replace the compressor ↓ Replace main PCB Notes: The DC bus wire must run from N terminal on the inverter module, through the current sensor (indicated by the arrow on the current sensor) and end at N terminal on the capacitor.
  • Page 97 TROUBLESHOOTING Sizes 9.1-14.1...
  • Page 98 TROUBLESHOOTING Situation 3: L0 error is displayed within 2 seconds of compressor startup ↓ U V W wire between inverter module and → Ensure U V W wire is connected properly compressor is not connected properly (1) ↓ The communication port for connection to the →...
  • Page 99 TROUBLESHOOTING Sizes 9.1-14.1 When replacing an inverter module, a layer of thermally conductive silica gel should be painted on the IPM module (on the reverse side of the inverter module PCB).
  • Page 100 TROUBLESHOOTING Situation 4: L0 error is displayed after the compressor has been in operation for a period of time and the compressor speed is over 60 rps ↓ Repaint a layer of thermally conductive silica gel on → Inverter module has overheated the PFC and IPM modules, diode (on the reverse side of the inverter module PCB) (1) ↓...
  • Page 101 TROUBLESHOOTING Situation 5: L0 error is displayed occasionally/irregularly ↓ → The outdoor unit ventilation is not good Ensure sufficient space for unit ventilation L1/L2 Troubleshooting The normal DC voltage between P and N terminals on the inverter module is 540V. If the voltage is lower than 300V, the unit displays an L1 error.
  • Page 102 TROUBLESHOOTING Situation 1: L1 or L2 error is displayed immediately after the outdoor unit is switched on L1 - L2 ↓ The P N +15V wire on the refrigerant circuit board is → Ensure P N +15V wire is connected properly not connected properly (1) ↓...
  • Page 103 TROUBLESHOOTING Sizes 6.1-8.1 Sizes 9.1-14.1...
  • Page 104 TROUBLESHOOTING Bridge rectifier Sizes 6.1-8.1 Sizes 9.1-14.1...
  • Page 105 TROUBLESHOOTING L4 Troubleshooting Situation 1: L4 error is displayed immediately after the unit is switched on ↓ Replace main PCB Situation 2: L4 error is displayed after the compressor has been in operation for a period of time and the compressor speed is over 60 rps ↓...
  • Page 106 TROUBLESHOOTING Description • PED PCB faulty • The unit shuts down. • The error code is displayed on the main PCB and user interface. Possible causes • Power supply problem. • PED board faulty. • IPM module faulty ↓ Power supply problem. →...
  • Page 107 TROUBLESHOOTING Description • Water side heat exchanger antifreeze protection. • The unit shuts down. • The error code is displayed on the main PCB and the relative ANTI.FREEZE icon is displayed on the user interface. Possible causes • Normal system protection. •...
  • Page 108 TROUBLESHOOTING Description • High temperature protection of air side heat exchanger refrigerant outlet in cooling mode. When the air side heat exchanger refrigerant outlet temperature is higher than 61°C for more than 3 seconds, the system displays Pd protection and the unit shuts down. When the air side heat exchanger refrigerant outlet temperature returns below 55°C, Pd is removed and normal operation resumes.
  • Page 109 TROUBLESHOOTING PP - Hb Description • Water side heat exchanger inlet temperature is higher than outlet temperature in heating mode. • The unit shuts down. • The error code is displayed on the main PCB and user interface. • Hb indicates that PP has been displayed 3 times. Possible causes •...
  • Page 110 TROUBLESHOOTING PP - Hb ↓ Water side exchanger water inlet/outlet → Ensure the temperature sensor is connected temperature sensor is loose (1) properly ↓ Water side heat exchanger water inlet/outlet → Replace the temperature sensor temperature sensor has short-circuited or failed (2) ↓...
  • Page 111 TROUBLESHOOTING Description • Communication error between hydronic module main control board and Ta/ambient thermostat transfer PCB • The unit shuts down • The error code is displayed on the water circuit PCB, main PCB and user interface. Possible causes • Ta / Ambient thermostat not connected.
  • Page 112 TROUBLESHOOTING Description • Communication error between master unit and slave unit(s) (in parallel) • The unit shuts down. • The error code is displayed on the water circuit PCB, main PCB and user interface. Possible causes • SW9 DIP switch with incorrect settings •...
  • Page 113 TROUBLESHOOTING ↓ → Check SW9 setting. Master unit: ON; Slave unit: SW9 DIP switch with incorrect settings ↓ More than two units are connected to the wired → Ensure only one controller is connected controller Master unit. ↓ Ensure the switch-on interval between the master The switch-on interval between the master unit and →...

  • Page 114: Temperature Sensor Resistance Characteristics

    TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS 9. Temperature sensor resistance characteristics Outdoor ambient temperature sensor, water side heat exchanger refrigerant inlet/outlet (liquid/gas pipe) temperature sensor, air side heat exchanger refrigerant outlet temperature sensor and suction pipe temperature sensor resistance characteristics Temp. (°C) Res.
  • Page 115 TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) 24.003 3.887 0.912 22.808 3.735 0.883 21.678 3.59 0.855 20.61 3.451 0.828 19.601 3.318 0.802 18.646 3.191 0.777 17.743 3.069 0.753 16.888 2.952...
  • Page 116 TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS Compressor discharge pipe temperature sensor resistance characteristics Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 483.0 62.73 12.65 3.492 455.9 59.98 12.21 3.392...
  • Page 117 TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) 95.05 17.58 4.562 90.66 16.94 4.426 86.49 16.32 4.294 82.54 15.73 4.167 78.79 15.16 4.045 75.24 14.62 3.927 71.86 14.09 3.812...
  • Page 118 TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS Water side exchanger water inlet/outlet temperature sensor, backup exchanger water outlet temperature sensor and DHW temperature sensor resistance characteristics Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) 867.29 98.227 17.600 3.702...
  • Page 119 TEMPERATURE SENSOR RESISTANCE CHARACTERISTICS Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) Temp. (°C) Res. (kΩ) 131.64 22.212 5.3655 125.28 21.355 5.1965 119.27 20.536 5.0336 113.58 19.752 4.8765 108.18 19.003 4.7251 103.07 18.286 4.5790...
  • Page 120 CLIVET SPA Via Camp Lonc 25, Z.I. Villapaiera 32032 Feltre (BL) - Italy Tel. +39 0439 3131 - Fax +39 0439 313300 info@clivet.it www.clivet.com...

This manual is also suitable for:

Wisan-yme 1 s 3.1Wisan-yme 1 s 4.1Wisan-yme 1 s 5.1Wisan-yme 1 s 6.1Wisan-yme 1 s 7.1Wisan-yme 1 s 8.1 ... Show all

Table of Contents

Save PDF