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Fujitsu Waterstage WS G140DC6 Series Maintenance Document

Air to water heat pump. split system (single phase type). split system (3-phase type).
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Air to water heat pump
Split System (single phase type)
Hydraulic unit
WS *G140DC6
Split System (3-phase type)
Hydraulic unit
WS *K160DC9
Outdoor unit
WO *G112LCT
WO *G140LCT
Outdoor unit
WO *K112LCT
WO *K140LCT
WO *K160LCT
Document 1544-1 ~ 20/06/2012
FR EN
Maintenance
Document
Intended for
professional use
Fujitsu General (Euro) GmbH
Werftstrasse 20
40549 Düsseldorf - Germany
Subject to change without notice
Non contractual document
20/06/2012

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  Summary of Contents for Fujitsu Waterstage WS G140DC6 Series

  • Page 1 Split System (3-phase type) Hydraulic unit Outdoor unit WS *K160DC9 WO *K112LCT WO *K140LCT WO *K160LCT Maintenance Document Intended for professional use Fujitsu General (Euro) GmbH Werftstrasse 20 40549 Düsseldorf - Germany Subject to change without notice Non contractual document 20/06/2012...
  • Page 3: Table Of Contents

    Contents Control and test ......................5 Control of Electric Backups ....5 Sensor and Input Test Mode..5 Faults ..........................6 Fault List.........6 2.4.1 Service parts information 1 : Compressor ..........36 2.1.1 Hydraulic Unit Fault......6 2.4.2 Service parts information 2 : Inverter 2.1.2 Outdoor Unit Fault......8 compressor..........
  • Page 4 Split system (Single phase and 3-phase type) Disassembly Process of Outdoor Unit................93 Single phase type ......93 6.2.3 Insulation sheet removal....99 6.2.4 Main PCB removal......99 6.1.1 Appearance........93 6.2.5 INVERTER, PFC, FILTER, and 6.1.2 Service panel removal....93 CAPACITOR PCB removal ......99 6.1.3 Top panel removal ......
  • Page 5: Control And Test

    Split system (Single phase and 3-phase type) 1 Control and test Control of Electric Backups H 33 EX 1 EX 2 EX 3 Outdoor Load-shedding (EJP) Off-peak/peak External fault Unit Fault hours (369) (370) 230 V 230 V 230 V 230 V EJP lock signal (l 2920) "...
  • Page 6: Faults

    Split system (Single phase and 3-phase type) 2 Faults Fault List 2.1.1 Hydraulic Unit Fault Faults which occur on the Hydraulic Unit are shown  Manual delete: the text displayed when pressing the info key shows "reset ?". Press OK once, the by the symbol .
  • Page 7 Split system (Single phase and 3-phase type) Faults external to the heat pump Any safety device (e.g. thermostat pressure switch) stopped. For example, a safety thermostat on the wired to input Ex3 (E20) allows external problems to heating floor can be wired to input Ex3 (E20) to avoid be reported and the heat pump to be immediately excessively high temperatures in the floor.
  • Page 8: Outdoor Unit Fault

    Split system (Single phase and 3-phase type) 2.1.2 Outdoor Unit Fault When the system is switched back on after a power If it doesn't, if a fault has occurred on the outdoor unit outage, the Hydraulic Unit may display fault 370 for a as indicated by the Hydraulic Unit, you must remove few tens of seconds.
  • Page 9: Outdoor Unit Clearing

    Split system (Single phase and 3-phase type) Outdoor Unit Clearing This section describes the techniques which can be used to identify the failure. 2.2.1 Failures with Error Code Clear 1: Serial reverse transfer error Hydraulic Unit LED: Green 1 flash / Red 1 flash Outdoor Unit LED: Off Probable causes: ...
  • Page 10 Split system (Single phase and 3-phase type) Clear 2: Serial forward transfer error Hydraulic Unit LED: Green 1 flash / Red 1 flash Outdoor Unit LED: 1 flash Probable causes:  Misconnection.  External cause.  Interface PCB failure. Check: 1-1.
  • Page 11 Split system (Single phase and 3-phase type) Clear 4: Heat pump capacity signal error Hydraulic Unit LED: Green 4 flashes / Red 1 flash Outdoor Unit LED: 22 flashes Probable causes:  Misconnection.  Sensor failure.  Interface PCB failure. Check: 1.
  • Page 12 Split system (Single phase and 3-phase type) Clear 5: Hydraulic Unit Heat exchanger thermistor error Hydraulic Unit LED: Green 4 flashes / Red 2 flashes Outdoor Unit LED: 22 flashes Probable causes:  Misconnection.  Sensor failure.  Interface PCB failure. Check: 1.
  • Page 13 Split system (Single phase and 3-phase type) Clear 7: Discharge thermistor error Hydraulic Unit LED: Green 7 flashes / Red 1 flash Outdoor Unit LED: 2 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been disconnected.
  • Page 14 Split system (Single phase and 3-phase type) Clear 8: Heat-exchange thermistor (outlet) error : Hydraulic Unit LED: Green 7 flashes / Red 3 flashes Outdoor Unit LED: 4 flashes Probable causes:  Misconnection.  Sensor fault.  Main PCB failure. Check: 1.
  • Page 15 Split system (Single phase and 3-phase type) Clear 9: Outdoor temperature thermistor error Hydraulic Unit LED: Green 7 flashes / Red 4 flashes Outdoor Unit LED: 7 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1.
  • Page 16 Split system (Single phase and 3-phase type) Clear 10: Heat Sink Thermistor error Hydraulic Unit LED: Green 7 flashes / Red 7 flashes Outdoor Unit LED: 9 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1.
  • Page 17 Split system (Single phase and 3-phase type) Clear 11: Compressor thermistor error Hydraulic Unit LED: Green 7 flashes / Red 2 flashes Outdoor Unit LED: 8 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
  • Page 18 Split system (Single phase and 3-phase type) Clear 12: Heat-exchange thermistor (intermediate) error Hydraulic Unit LED: Green 7 flashes / Red 3 flashes Outdoor Unit LED: 5 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1.
  • Page 19 Split system (Single phase and 3-phase type) Clear 14: Expansion valve thermistor error Hydraulic Unit LED: Green 7 flashes / Red 8 flashes Outdoor Unit LED: 6 flashes Probable causes:  Misconnection.  Sensor failure.  Main PCB failure. Check: 1.
  • Page 20 Split system (Single phase and 3-phase type) Clear 15: Current trip (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 4 flashes Outdoor Unit LED: 13 flashes Probable causes: Connection failure.  Outdoor Heat Exchanger clogged.  Outdoor Fan operation failure. ...
  • Page 21 Split system (Single phase and 3-phase type) Clear 17: Compressor startup error (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 5 flashes Outdoor Unit LED: 15 flashes Probable causes:  Misconnection of the various electrical components.  Main PCB failure. ...
  • Page 22 Split system (Single phase and 3-phase type) Clear 18: Fan motor error (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 7 flashes Outdoor Unit LED: 16 flashes (fan 1), 17 flashes (fan 2) Probable causes:  Fan motor failure. ...
  • Page 23 Split system (Single phase and 3-phase type) Clear 20: Inverter error Hydraulic Unit LED: Green 6 flashes / Red 3 flashes Outdoor Unit LED: 18 flashes Probable causes: Connection failure.  Main PCB failure.  Check: 1. Check connections in control unit: - Check if the terminal connection is loose.
  • Page 24 Split system (Single phase and 3-phase type) Clear 21: active filter error (only for single phase type) Hydraulic Unit LED: Green 6 flashes / Red 4 flashes Outdoor Unit LED: 19 flashes Probable causes: Connection failure.   Active filter module failure. Main PCB failure.
  • Page 25 Split system (Single phase and 3-phase type) Clear 22: Discharge temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 flashes / Red 1 flashes Outdoor Unit LED: 11 flashes Probable causes: Valve is close.  EEV failure.  Gas leak, less. ...
  • Page 26 Split system (Single phase and 3-phase type) Clear 24: Pressure sensor error Hydraulic Unit LED: Green 8 flashes / Red 6 flashes Outdoor Unit LED: 3 flashes Probable causes: Connector connection failure.  Pressure Sensor failure.  Main PCB failure. ...
  • Page 27 Split system (Single phase and 3-phase type) Clear 25: Compressor temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 flashes / Red 3 flashes Outdoor Unit LED: 12 flashes Probable causes: Valve is close.  EEV failure.  Gas leak, less. ...
  • Page 28 Split system (Single phase and 3-phase type) Clear 26: Low pressure abnormal Hydraulic Unit LED: Green 10 flashes / Red 5 flashes Outdoor Unit LED: 20 flashes Probable causes: Connector connection failure.  Pressure Sensor failure.  Main PCB failure. ...
  • Page 29 Split system (Single phase and 3-phase type) Clear 27: P.F.C. error (only for 3-phase type) Hydraulic Unit LED: Green 6 flashes / Red 4 flashes Outdoor Unit LED: 19 flashes Probable causes: Connector connection failure.  Main PCB failure.  PFC PCB failure.
  • Page 30 Split system (Single phase and 3-phase type) Clear 33: Detection of compressor position error (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 5 flashes Outdoor Unit LED: 14 flashes Probable causes:  Misconnection.  Main PCB failure. Check: 1.
  • Page 31: Failures With No Error Code

    Split system (Single phase and 3-phase type) 2.2.2 Failures With No Error Code Clear 35: No voltage on Hydraulic Unit Probable causes:  Power supply fault.  External causes.  Faulty electrical components. Check: 1. Check the installation : - Is the circuit breaker cut off? - Check the wiring.
  • Page 32 Split system (Single phase and 3-phase type) Clear 36: No voltage on outdoor unit Probable causes:  Power supply fault.  External cause.  Faulty electrical components. Check: 1. Check the installation - Is the circuit breaker cut off? - Check the wiring. 2.
  • Page 33 Split system (Single phase and 3-phase type) Clear 38: No heat Probable causes:  Hydraulic Unit error.  Outdoor unit error.  Influence from the outdoor environment.  Misconnections of connectors and cables.  Refrigeration system fault (not enough gas, clogging, dirty filters). Check: 1.
  • Page 34 Split system (Single phase and 3-phase type) Clear 39: Abnormal noise Probable causes:  Abnormal installation (outdoor)  Fan failure  Compressor failure. Checks: 1. The noise comes from the outdoor unit: - Is the unit stable? - Is the protection screen properly mounted? - Is the propeller broken or distorted? - Has the propeller screw been lost? - Is any object blocking the propeller rotation?
  • Page 35: Sensor Values

    Split system (Single phase and 3-phase type) Sensor Values 2.3.1 Outdoor Unit Temperature Sensors Outdoor Heat Exchanger (outlet), Outdoor Heat Exchanger (middle) Temperature (°C) Resistance value (k) 27,5 20,9 16,1 12,4 9,73 7,67 3,95 Outdoor Discharge Pipe / Compressor / Expansion valve inlet Temperature (°C) 26,3 17,8...
  • Page 36: Service Parts Information

    Split system (Single phase and 3-phase type) Service parts information 2.4.1 Service parts information 1 : Compressor Diagnosis method of compressor (if outdoor unit LED displays error, refer to Failures and clears) Does not start up Stops soon after starting up Abnormal noise Check if vibration noise by Is there open or loose...
  • Page 37: Service Parts Information 2 : Inverter Compressor

    Split system (Single phase and 3-phase type) 2.4.2 Service parts information 2 : Inverter compressor Check point 1 : Check connection Check terminal connection of compressor Only for 3-phase type : (Loose or incorrect wiring) Check connection of inverter PCB (Loose or incorrect wiring) (RED) (BLACK)
  • Page 38: 2.4.3 Service Parts Information 3 : Outdoor

    Split system (Single phase and 3-phase type) 2.4.3 Service parts information 3 : Outdoor unit electronic expansion valve (EEV, EEV(INJ)) Check point 1 : Check connection Check connection of connector (Loose connector or open cable) EXPANSION EXPANSION VALVE Single phase : VALVE COIL COIL (INJ)
  • Page 39: Service Parts Information 4 : Outdoor Unit Solenoid Valve (Sv)

    Split system (Single phase and 3-phase type) 2.4.4 Service parts information 4 : Outdoor unit solenoid valve (SV) Check point 1 : Check connections Check point 2 : Check solenoid coil Check connection of connector Remove connector and check if coil is open (Loose connector or open cable) (normal resistance value of each coil : 1495+/- If resistance value is abnormal, replace...
  • Page 40: Operating Limits

    Split system (Single phase and 3-phase type) Operating Limits Single phase 3-phase HEAT PUMP Min/max OT in heat mode -25/35 (°C)*** Heating floor maximum water temperature (°C) LT radiator maximum water temperature (°C) Min/max OT in cooling 8/43 mode(°C) Cooling floor minimum water temperature (°C) Fan coil minimum water temperature (°C)
  • Page 41: Failures

    Split system (Single phase and 3-phase type) Failures Hydraulic, Electric and Refrigeration Systems 3.1.1 Hydraulic System If the installation is fitted with a heating floor, the most common failures are those listed below: APPLIED FAILURE CASES CONSEQUENCES SOLUTIONS Flow pressure too high clean filter or desludge Installer 1- Clogged filter*...
  • Page 42: Electrical System

    Split system (Single phase and 3-phase type) 3.1.2 Electrical System Outdoor Unit Overvoltage Check for possible causes in the list below (this list is Steps to be followed before performing any work not exhaustive): on the Inverter module:   Problem with the compressor First switch off the system using the circuit ...
  • Page 43: Refrigeration System

    Split system (Single phase and 3-phase type) 3.1.3 Refrigeration System Unit produces no heat The unit remains in continuous scanning mode. Initial checks: Check the settings Are the data sent by the user interface received by the heat pump? Hydraulic unit electronic circuit Hydraulic unit electronic system faulty sending data to...
  • Page 44 Split system (Single phase and 3-phase type) Outdoor unit does not defrost  condensation drain properly discharged  (outdoor unit directly on the ground)? charge correct (refer  temperature/pressure curve)? Are the auxiliaries powered?  Insufficient charging will result in frequent icing. ...
  • Page 45: Compressor Operating Checks

    Split system (Single phase and 3-phase type) b. Defrost ending conditions With all models, defrosting stops if the exchanger temperature is above 10 °C or if the defrosting time is over 15 minutes). Crankcase heater When the outdoor exchanger temperature is below When operation has started and the temperature -18°C and the heating mode has been stopped for becomes higher than -16°C, heating stops.
  • Page 46: Control Settings

    Split system (Single phase and 3-phase type) 4 Control Settings General The settings described below are those which can be modified by the user. We wish to remind you that changing the settings below may cause the heat pump to behave in an undesirable way.
  • Page 47: Function Table

    Split system (Single phase and 3-phase type) Function Table COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING Time of day and date Hour/minutes 00:00…23:59 Day/month 01.01…31.12 Year 1900…2099 Start of summertime 01.01…31.12 25.03 End of summertime 01.01…31.12 25.10 Operator section Language English Temporarily /...
  • Page 48 Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING phase on 00:00…--:-- --:-- phase off 00:00…--:-- --:-- phase on 00:00…--:-- --:-- phase off 00:00…--:-- --:-- Copy Default values No/yes Holidays heating circuit 1 Preselection Period 1…8 Period 1...
  • Page 49 Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING Summer comp setp increase ---/1…10°C 4°C Flow temp setp min OT 25°C 6…35°C 18°C Flow temp setp min OT 35°C 6…35°C 18°C Room influence ---/1…100% Room temp limitation ---/0…4°C...
  • Page 50: Supplementary Source

    Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING Compressor mod run time 2873 10…240s 2882 Release integr electric flow 0… 500°Cmin 100°Cmin 2884 Release el flow at OT -30°C…30°C 2°C Off ¦ On ¦ Only with 2886 Compensation heat deficit floor curing fct...
  • Page 51 Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 6814 History 8 Date/time/code 6816 History 9 Date/time/code 6818 History 10 Date/time/code Service / special operation 7070 HP interval 1..240 months 7071 HP time since maint 0..240 months 7073 Cur starts compressor 1/hrs run...
  • Page 52 Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 8006 State heat pump 8007 Not used 8010 Not used 8011 State swimming pool 8022 State supplementary source Diagnostics heat source 8402 El imm heater flow 1 Off/on 8403 El imm heater flow 2...
  • Page 53: Adjustment Function Details

    Split system (Single phase and 3-phase type) COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 9073 Relay output QX33 Off/on 9074 Relay output QX34 Off/on 9075 Relay output QX35 Off/on Adjustment Function Details 4.3.1 Date and Time Functions The controller has an annual clock which contains the time, the day of the week and the date. In order for the function to operate, the time and date must be set properly on the clock.
  • Page 54: Time Program Functions

    Split system (Single phase and 3-phase type)  Programming lock (27): Permanent Suspension of Programming First perform a temporary suspension, then cancel If the programming lock is activated, the setting "Programming lock" on line 27. values are displayed but may no longer be changed. Direct adjustment...
  • Page 55: Heating Circuit 1 & 2 Functions

    Split system (Single phase and 3-phase type) Holidays: Line no. Programming line Period start (Day / Month) Period end (Day / Month) Operating level The holiday program enables changing the heating Important ! circuits over to a selected operating level according to The holiday program can be used only in the the date (calendar).
  • Page 56 Split system (Single phase and 3-phase type) Heating Curve Line no. Programming line 1020 Heating curve slope 1021 Heating curve displacement 1026 Heating curve adaption Heating curve slope: Based on the heating characteristic, the controller Increase the setting: computes the flow temperature setpoint which will be The flow temperature is increased mainly when the used controlling...
  • Page 57 Split system (Single phase and 3-phase type) Information: Heating curve displacement To ensure operation, the following requirements must be met: curve shift (offset) modifies flow A room sensor must be connected. temperature in a general and even manner over the The "room influence"...
  • Page 58 Split system (Single phase and 3-phase type) Comfort heating setpoint (710) 22°C 24-Hour heating limit (732) -3°C Changeover temperature (710 – 732) =19°C Heating off Differential (Fixed) -1°C Changeover temperature Heating on =18°C Changing the input value makes the respective Information: heating periods shorter or longer.
  • Page 59 Split system (Single phase and 3-phase type) A room sensor must be connected. room temperature, for example, causes an immediate The "room influence" parameter must be set drop in the flow temperature. between 1 and 99. Information: The reference room (where the room sensor Activation of the function requires taking into account is installed) must not contain adjusted thermostatic the following requirements:...
  • Page 60 Split system (Single phase and 3-phase type) Reduced Setpoint Increase Line no. Programming line 1100 Reduced setpoint increase start 1101 Reduced setpoint increase end This function is used mainly in heating installations Increasing the reduced setpoint prevents excessive that do not have high supplies of power (e.g. low cooling of the rooms in order to shorten the energy homes).
  • Page 61 Split system (Single phase and 3-phase type) Important electricity, settings). Otherwise, the floors to be dried The standards and directions of the building may be damaged! contractor must be followed! The function may be prematurely interrupted This function will not work properly unless the by setting it to Off.
  • Page 62: Cooling Circuit 1 Functions

    Split system (Single phase and 3-phase type) 4.3.5 Cooling Circuit 1 Functions The cooling sequence is automatically started when The following settings apply to the hydraulic circuit in the room temperature is higher than the comfort zone 1 (HC1). setpoint in cooling mode (line 902). The cooling If there is a second zone, this zone can be cooled function must be activated (command line 901 = with the setting 963 which will connect the pump...
  • Page 63 Split system (Single phase and 3-phase type) Cooling Characteristic Line no. Programming line Flow temp setp at OT 25°C Flow temp setp at OT 35°C The controller computes the flow temperature required for a given averaged outdoor temperature Flow temp setp at OT 35°C based on the cooling characteristic.
  • Page 64 Split system (Single phase and 3-phase type) Summer Compensation Line no. Programming line Summer comp start at OT Summer comp end at OT Summer comp setp increase In summer the "cooling comfort setpoint" (902) is gradually increased according outdoor Summer compensation end at OT temperature.
  • Page 65 Split system (Single phase and 3-phase type) Flow Setpoint Limitation Line no. Programming line Flow temp setp min at OT 25°C Flow temp setp min at OT 35°C It is possible to assign a lower limit to the cooling flow temperature.
  • Page 66 Split system (Single phase and 3-phase type) Control according to outdoor conditions with Control according to room temperature only room influence The flow temperature is adjusted according to the The difference between the room temperature and room temperature setpoint, current room the setpoint value is measured and taken into temperature and its evolution.
  • Page 67 Split system (Single phase and 3-phase type) Mixing Valve Control Line no. Programming line Mixing valve cooling offset Actuator running time Mixing valve in heating mode If there is a second zone, this reduction should Mixing valve cooling offset enable the second zone to be cooled. To achieve this result, the sub-cooling must be determined in The cooling demand issued by cooling circuit 1 to accordance with the type of emitter and the...
  • Page 68: Dhw Functions

    Split system (Single phase and 3-phase type) 4.3.6 DHW Functions The control sets the DHW temperature, according to The controller has a configurable legionella function the time program or continuously, to the desired designed for protection against legionella in the setpoint.
  • Page 69 Split system (Single phase and 3-phase type) Depending on the heating circuit time programs, the temperature reduced setpoint. The first switch-on DHW setpoint is changed between the DHW point of each phase is advanced by one hour each temperature nominal setpoint time.
  • Page 70 Split system (Single phase and 3-phase type) DHW mode Holiday Release Time pgm Low tariff DHW mode level status (settings 1620) status (Pgm 4) status (Ex2) Frost protection Frost protection … … … Low tariff (OPK) Inactive Reduced Low tariff (OPK) Active Nominal Time pgm 4 or OPK...
  • Page 71: Swimming Pool Functions

    Split system (Single phase and 3-phase type) 4.3.7 Swimming Pool Functions Line no. Programming line 2056 Setpoint source heating The controller enables a swimming pool to be heated Use of input H33 requires an extension to be by the heat pump. An individual setpoint can be set connected to the control.
  • Page 72 Split system (Single phase and 3-phase type) Flow elec. release at OT must be selected. This means that the parameter is deactivated in normal heating mode. The heater will be activated only if the attenuated Calculation of integral outdoor temperature is below the temperature set ...
  • Page 73 Split system (Single phase and 3-phase type) 4.3.9 Supplementary source A supplementary producer can be operated in  Release is effected via release relay QX2 addition to the main producer (heat pump).  2-position control is effected via control relay QX3 Release of the supplementary producer depends on ...
  • Page 74: Dhw Tank Functions

    Split system (Single phase and 3-phase type) No consideration is given to the locking time, if the supplementary source must end DHW charging. heat pump malfunctions or is locked, or if the Setting "- - -" can be used to deactivate the function. 4.3.10 DHW Tank Functions DHW charging at the nominal setpoint temperature...
  • Page 75 Split system (Single phase and 3-phase type) Heater Line no. Programming line 5061 Electric immersion heater release Electric immersion heater release  24h/day The heater is continuously active regardless of time programs.  DHW release The heater is controlled according to "DHW release". ...
  • Page 76: Configuration Functions

    Split system (Single phase and 3-phase type) 4.3.11 Configuration Functions When an installation is started up, the hydraulic diagram presetting for that installation must be entered. Presettings Line no. Programming line 5700 Pre-setting Only Pre-setting 1 to 4 are used among 9 availables. Heating circuits/Cooling Circuit Line no.
  • Page 77 Split system (Single phase and 3-phase type) Basic unit EX/E Line no. Programming line 5981 Cont type input EX1, EX2, EX3 5983 5985 The type of contact can be selected: The input’s function is active when voltage is present. The input’s function is active when voltage is not The descriptions relating to the functions of the EX present.
  • Page 78: Error Functions

    Split system (Single phase and 3-phase type) 4.3.12 Error Functions The display shows what caused the fault. When a fault occurs, the symbol appears and it is possible to display an error message in the Info section by pressing the Info key. Reset (unlock) Heat Pump Line no.
  • Page 79 Split system (Single phase and 3-phase type) Table of error messages which can be displayed: Reset No. Designation of error Location HP oper. Manual Automatic 0: No fault 10: Outdoor sensor BX4 (X84) 30: Flow sensor 1 BX1 (X80) 31: Cooling flow sensor 1 BX1 (X80) 32: Flow sensor 2 BX31 (X153)
  • Page 80: Maintenance / Special Operating Mode Functions

    Split system (Single phase and 3-phase type) 4.3.13 Maintenance / Special Operating Mode Functions Maintenance Maintenance functions can be used as a preventive The controller automatically generates maintenance step for periodically monitoring the installation. All messages if the settings defined are either exceeded maintenance functions individually...
  • Page 81 Split system (Single phase and 3-phase type) Simulation Line no. Programming line 7150 Simulation outside temp Computation of the three outdoor temperatures Simulation outside temp (7150): based on the actual outdoor temperature continues to be performed during the simulation, and these make starting-up troubleshooting...
  • Page 82: Input / Output Testing Functions

    Split system (Single phase and 3-phase type) 4.3.14 Input / Output Testing Functions Input/output testing is used to ensure that the connected components are in working order. Relay Output Testing Selection of a setting from relay testing closes the check that the relays are in working order and that corresponding relay and therefore switches on the the wiring has been performed correctly.
  • Page 83: Status Functions

    Split system (Single phase and 3-phase type) Input test EX1-3 Line no. Programming line 7911 Input EX1 7912 Input EX2 7913 Input EX3 By selecting a setting from input test EX1-3, the Display of 0 V means that there is no voltage and the relevant input will be displayed, enabling it to be respective input is currently inactive.
  • Page 84 Split system (Single phase and 3-phase type) State heating circuit End user (Info level) Startup, heating engineer Thermostat response Thermostat response Manual action active Manual action active Controlled drying active Controlled drying active Heating mode restriction Overeating protection active Restriction, Boiler protection Restriction, DHW priority Restriction, storage tank Forced draft...
  • Page 85 Split system (Single phase and 3-phase type) State DHW (8003): End user (Info level) Startup, heating engineer Thermostat response Thermostat response Manual action active Manual action active Draw-off mode Draw-off mode Adiabatic cooling active Adiabatic cooling by collector adiabatic cooling via gen/HC Charging lock active Discharge protection active Charging duration limit.
  • Page 86 Split system (Single phase and 3-phase type) State cooling circuit (8004): End user (Info level) Startup, heating engineer Dewpoint sensor activated Dewpoint sensor activated Manual action active Manual action active Fault Fault Frost protection active Flow frost protection active Cooling mode locked Locked, heating mode Lock time after heating Locked, generator...
  • Page 87 Split system (Single phase and 3-phase type) State heat pump (8006): End user (Info level) Startup, heating engineer Emergency mode Emergency mode Fault Fault Locked Locked, outdoor temperature Locked, external Locked, economy mode Lim. time active Consumer flow rate controller Min outdoor temp use limit Max outdoor temp use limit Max switchoff temp lim...
  • Page 88: Generator Diagnosis Functions

    Split system (Single phase and 3-phase type) State supplementary source (8022): End user (Info level) Startup, heating engineer Locked Locked, solid fuel boiler Locked, outside temperature Locked, economy mode In operation for HC, DHW In operation for HC, DHW Released for HC, DHW Released for HC, DHW In operation for DHW In operation for DHW...
  • Page 89: Consumer Diagnosis Functions

    Split system (Single phase and 3-phase type) Setpoints and Measured Values Line no. Programming line 8410 Return temp HP 8412 Flow temp HP 8413 Compressor modulation 8414 Modulation electric flow 8425 Temp diff condenser These lines allow the various setpoints and measured values for the heat pump to be viewed.
  • Page 90 Split system (Single phase and 3-phase type) Cooling Circuit Line no. Programming line 8756 Flow temperature cooling 1 8757 Flow temperature setpoint cooling 1 The actual values of the cooling mode are displayed. The cooling mode room setpoint is displayed on programming line 8741.
  • Page 91 Split system (Single phase and 3-phase type) Status of Relays for Extension Modules 1 and 2 Line no. Programming line 9050 Relay output QX21 module 1 9051 Relay output QX22 module 1 9052 Relay output QX23 module 1 9053 Relay output QX21 module 2 9054 Relay output QX22 module 2 9055...
  • Page 92: Annual Maintenance Services

    Split system (Single phase and 3-phase type) 5 Annual Maintenance Services Hydraulic Circuit Electrical  clean filter (if any)  Inspect connections tighten where  inspect heating system (system pressure, appropriate purging, leak test)  Check condition of wires and boards ...
  • Page 93: Disassembly Process Of Outdoor Unit

    Split system (Single phase and 3-phase type) 6 Disassembly Process of Outdoor Unit > Warning ! < Before servicing the unit, turn the power supply switch OFF, then, do not touch electric parts for 10 minutes due to the risk of electric shock. Single phase type 6.1.1 Appearance 6.1.2 Service panel removal...
  • Page 94: Main Pcb, Filter Pcb, And Indicator Pcb Removal

    Split system (Single phase and 3-phase type) 6.1.4 MAIN PCB, FILTER PCB, and INDICATOR PCB removal screws Hook (2 places) Remove the 1 mounting screw Remove the INVERTER BOX COVER by sliding upward. MAIN PCB DIODE BRIDGE FILTER PCB ACTPM INDICATOR PCB Maintenance Document 1544-1...
  • Page 95 Split system (Single phase and 3-phase type) MAIN PCB removal Holder Screw of IPM (2 places) screw screw Remove the MAIN PCB Remove the connectors and screws Spread the heat dissipation For screws of IPM. compound on the other side of Note the tightening torque at the installation.
  • Page 96: Fan Motor Removal

    Split system (Single phase and 3-phase type) 6.1.5 FAN MOTOR removal Remove the 4 mounting screws. Remove the FAN GUARD by Remove the Hex Socket Screw. And sliding upward. remove the PROPELLER FAN. Note at the installation. Insert propeller Fan and Moter shalf reference D cutting position.
  • Page 97: Right Panel Removal

    Split system (Single phase and 3-phase type) 6.1.7 RIGHT PANEL removal screw screw Screw (serrated) Remove the 12 mounting screws. Screw Remove the RIGHT PANEL by (with washer) sliding upward. 6.1.8 THERMISTOR removal HEAT EXCHANGER (MID) THERMISTOR Remove the THERMISTOR. Remove the THERMISTOR SPRING.
  • Page 98: Solenoid Coil Removal

    Split system (Single phase and 3-phase type) EEV THERMISTOR Remove the THERMISTOR SPRING. Remove the THERMISTOR. OUTDOOR THERMISTOR hook Open the THERMO HOLDER and Remove the THERMOR HOLDER. remove the THERMISTOR. 6.1.9 SOLENOID COIL removal 4WAY VALVE Remove the mounting screw. Remove the SOLENOID COIL.
  • Page 99: Eev Coil Removal

    Split system (Single phase and 3-phase type) 6.1.10 EEV COIL removal MAIN INJECTION Remove the EEV coil by hand. Remove the EEV coil by hand. 6.1.11 PRESSURE SENSOR removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work.
  • Page 100: Compressor Removal

    Split system (Single phase and 3-phase type) 6.1.12 COMPRESSOR removal Precautions for exchange of compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. 1 Turn off the power 2 Remove the service panel and right panel 3 Fully close the 3Way valve (gas) and 3Way valve (liquid) 4 Collect the refrigerant from the 3Way valve.
  • Page 101 Split system (Single phase and 3-phase type) Thermistor (Discharge) Remove the Thermistor (Discharge). Cut the binder, and remove the heat insulation. Thermistor (comp. Temp.) Remove the COMP BOLTS. Remove the Thermistor (comp. temp.) (3 places) and the Thermistor (Discharge). Range Range Range Cut the Discharge pipe in this range...
  • Page 102: 3-Phase Type

    Split system (Single phase and 3-phase type) 3-phase type 6.2.1 Appearance 6.2.2 Service panel removal Hook (3 places) Screw (serrated) Remove the mounting screws. Remove the SERVICE PANEL by sliding downward. 6.2.3 Insulation sheet removal INSULATION SHEET Hook (4 places) Remove the Hook (4 places) Remove the INSULATION SHEET by sliding upward.
  • Page 103: Main Pcb Removal

    Split system (Single phase and 3-phase type) 6.2.4 Main PCB removal Locking spacers Earth screws Remove the connectors. Remove the earth screws and the locking spacers 6.2.5 INVERTER, PFC, FILTER, and CAPACITOR PCB removal Screws Hook Hook Slit Remove the 4 mounting screws. Remove the INVERTER CASE Hang the hook on the slit.
  • Page 104 Split system (Single phase and 3-phase type) INVERTER PCB removal Screw Hook Holder Screws Remove the INVERTER PCB. Remove the connectors Spread the heat dissipation and screws compound on the other side of IPM For screws of IPM. when you exchange INVERTER PCB Note the tightening torque at the by the repair.
  • Page 105 Split system (Single phase and 3-phase type) CAPACITOR PCB removal Screw Hook Remove the connectors, codes Remove the CONDENSER CASE and screw. by sliding rightward. Screws Remove the mounting screws. Remove the CONDENSER COVER CAPACITOR PCB by sliding toward. Locking spacers Remove the locking spacers.
  • Page 106: Fan Motor Removal

    Split system (Single phase and 3-phase type) 6.2.6 FAN MOTOR removal Remove the Hex Socket Screw and Remove the 4 mounting screws. Remove the FAN GUARD remove the PROPELLER FAN. by sliding upward. Note at the installation. Insert propeller Fan and Moter shaft reference D cutting position.
  • Page 107: Right Panel Removal

    Split system (Single phase and 3-phase type) 6.2.9 RIGHT PANEL removal screw screw Remove the 11 mounting screws. Screw Remove the RIGHT PANEL by (with washer) sliding upward. 6.2.10 REACTOR removal Remove the connectors. Remove the 3 mounting screws. 6.2.11 THERMISTOR removal HEAT EXCHANGER (MID) THERMISTOR Remove the THERMISTOR SPRING.
  • Page 108: Solenoid Coil Removal

    Split system (Single phase and 3-phase type) EXPANSION VALVE THERMISTOR Remove the THERMISTOR SPRING. Remove the THERMISTOR. OUTDOOR THERMISTOR hook Open the THERMO HOLDER and Remove the THERMOR HOLDER. remove the THERMISTOR. 6.2.12 SOLENOID COIL removal 4WAY VALVE Remove the mounting screw. Remove the SOLENOID COIL.
  • Page 109: Eev Coil Removal

    Split system (Single phase and 3-phase type) 6.2.13 EEV COIL removal MAIN INJECTION Remove the EEV coil by hand. Remove the EEV coil by hand. 6.2.14 PRESSURE SENSOR removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work.
  • Page 110: Compressor Removal

    Split system (Single phase and 3-phase type) 6.2.15 COMPRESSOR removal Precautions for exchange of compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. 1 Turn off the power 2 Remove the service panel 3 Fully close the 3Way valve (gas) and 3Way valve (liquid) 4 Collect the refrigerant from the 3Way valve.
  • Page 111 Split system (Single phase and 3-phase type) Thermistor (Discharge) Cut the binder, and remove Remove the Thermistor (Discharge). the heat insulation. Thermistor (comp. Temp.) Remove the Thermistor (comp. temp.) and the Thermistor (Discharge). Remove the COMP BOLTS. (3 places) Range Range Range Cut the Discharge pipe in this range...
  • Page 112: Precautions For Exchange Of Refrigerant-Cycle-Parts

    Tighten the flare part gripping it. (Tightening torque : 12+-1.5N.m) PRESSURE SENSOR 100°C Do the static electricity measures. Remove the coil before brazing. SOLENOID VALVE 200°C And install the coil after brazing. Fujitsu General (Euro) GmbH Werftstrasse 20 40549 Düsseldorf - Germany Maintenance Document 1544-1...