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Air to water heat pump
Split System (single phase type)
Hydraulic unit
WS *A050DD6
WS *A100DD6
WG *A050DD6
WG *A100DD6
Outdoor unit
WO *A060LDC
WO *A080LDC
WO *A100LDT
Document 1589-3 ~ 04/03/2013
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
04/03/2013

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Summary of Contents for Fujitsu WATERSTAGE WS A050DD6 Series

  • Page 1 Outdoor unit WS *A050DD6 WO *A060LDC WS *A100DD6 WO *A080LDC WG *A050DD6 WO *A100LDT WG *A100DD6 Maintenance Document Intended for professional use Fujitsu General (Euro) GmbH Werftstrasse 20 40549 Düsseldorf - Germany Subject to change without notice Non contractual document 04/03/2013...
  • Page 2: Table Of Contents

    Contents Control and test ......................4 Control of Electric Backups ....4 Sensor and Input Test Mode ....4 Faults ..........................5 2.4.3 Service parts information 3 : Outdoor unit Fault List ..........5 electronic expansion valve (EEV) ....34 2.1.1 Hydraulic Unit Fault ........5 2.4.4 Service parts information 4 : Outdoor unit 2.1.2...
  • Page 3 Split system single phase type Disassembly Process of Outdoor Unit ............... 93 WO*A060LDC and WO*A080LDC ..93 7.2.2 SERVICE PANEL removal ......102 7.2.3 TOP PANEL removal ........ 102 7.1.1 Appearance ..........93 7.2.4 VALVE COVER removal ......103 7.1.2 TOP PANEL removal ........
  • Page 4: Control And Test

    Split system single 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 5: Faults

    Split system single 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 6 Split system single phase type Figure 1: Location of DIP switches and diodes on the hydraulic unit interface card 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...
  • Page 7: Outdoor Unit Fault

    Split system single phase type 2.1.2 Outdoor Unit Fault When the system is switched back on after a power tests. Once the tests have been completed, the fault outage, the Hydraulic Unit may display fault 370 for a should disappear. few tens of seconds.
  • Page 8: Outdoor Unit Clearing

    Split system single 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 (AO*A060LDC) Hydraulic Unit LED: Green 1 flash / Red 1 flash Outdoor Unit LED: Off Probable causes: •...
  • Page 9 Split system single phase type Clear 1: Serial reverse transfer error (AO*A080LDC, AO*A100LDT) Hydraulic Unit LED: Green 1 flash / Red 1 flash Outdoor Unit LED: Off Probable causes: • Misconnection. • External cause. • Main PCB failure. • Active filter module failure. •...
  • Page 10 Split system single phase type Clear 2: Serial forward transfer error Hydraulic Unit LED: Green 1 flash / Red 1 flash Outdoor Unit LED: flash Probable causes: • Misconnection. • External cause. • Interface PCB failure. Check: 1-1. Stop the system and start it again (disconnection time 1min): Is the error still displayed? 1-2.
  • Page 11 Split system single phase type Clear 4: Heat pump capacity signal error Hydraulic Unit LED: Green 4 flashes / Red 1 flash Outdoor Unit LED: flash Probable causes: • Misconnection. • Sensor failure. • Interface PCB failure. Check: 1. Check connection interface PCB and Heat pump regulator PCB: See if the connector has been disconnected.
  • Page 12 Split system single phase type Clear 5: Hydraulic Unit Heat exchanger thermistor error Hydraulic Unit LED: Green 4 flashes / Red 2 flashes Outdoor Unit LED: flash Probable causes: • Misconnection. • Sensor failure. • Interface 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 13 Split system single phase type Clear 7: Discharge thermistor error Hydraulic Unit LED: Green 7 flashes / Red 1 flash Outdoor Unit LED: flash 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 type Clear 8: Heat-exchange thermistor (outlet) error : Hydraulic Unit LED: Green 7 flashes / Red 3 flashes Outdoor Unit LED: flash Probable causes: • Misconnection. • Sensor fault. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been disconnected.
  • Page 15 Split system single phase type Clear 9: Outdoor temperature thermistor error Hydraulic Unit LED: Green 7 flashes / Red 4 flashes Outdoor Unit LED: flash Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection : See if the connector has been disconnected.
  • Page 16 Split system single phase type Clear 11: Compressor thermistor error Hydraulic Unit LED: Green 7 flashes / Red 2 flashes Outdoor Unit LED: flash 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 17 Split system single phase type Clear 14: Expansion valve thermistor error Hydraulic Unit LED: Green 7 flashes / Red 8 flashes Outdoor Unit LED: flash 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 type Clear 15: Current trip (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 4 flashes Outdoor Unit LED: flash Probable causes: Connection failure. • Outdoor Heat Exchanger clogged. • Outdoor Fan operation failure. • Compressor failure.
  • Page 19 Split system single phase type Clear 16: Current sensor error Hydraulic Unit LED: Green 8 flashes / Red 4 flashes Outdoor Unit LED: flash Probable causes: Defective connection of electric components. • External cause. • Main PCB failure. • Check: 1-1.
  • Page 20 Split system single phase type Clear 17: Compressor startup error (permanent stoppage) Defection of compressor position error Hydraulic Unit LED: Green 9 flashes / Red 5 flashes Outdoor Unit LED: flash Probable causes: • Misconnection of the various electrical components. •...
  • Page 21 Split system single phase type Clear 18: Fan motor error (permanent stoppage) Hydraulic Unit LED: Green 9 flashes / Red 7 flashes Outdoor Unit LED: flash Probable causes: • Fan motor failure. • Motor protection. • Main PCB failure. Check: 1.
  • Page 22 Split system single phase type Clear 21: active filter error (only for WO*A080LDC and WO*A100LDT) PFC error (only for WO*A060LDC) Hydraulic Unit LED: Green 6 flashes / Red 4 flashes Outdoor Unit LED: flash Probable causes: Connection failure. • • Active filter module failure (only for WO*A080LDC and WO*A100LDT) Main PCB failure.
  • Page 23 Split system single phase type Clear 22: Discharge temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 flashes / Red 1 flashes Outdoor Unit LED: flash Probable causes: Valve is close. • EEV failure. • Gas leak, less. • Discharge Thermistor failure. •...
  • Page 24 Split system single phase type Clear 24: Pressure sensor error Hydraulic Unit LED: Green 8 flashes / Red 6 flashes Outdoor Unit LED: flash Probable causes: Connector connection failure. • Pressure Sensor failure. • Main PCB failure. • Check: 1. Check connection of the Pressure Sensor: - Check if the terminal connection is loose.
  • Page 25 Split system single phase type Clear 25: Compressor temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 flashes / Red 3 flashes Outdoor Unit LED: flash Probable causes: Valve is close. • EEV failure. • Gas leak, less. • Compressor Thermistor failure. •...
  • Page 26 Split system single phase type Clear 26: Low pressure abnormal Hydraulic Unit LED: Green 10 flashes / Red 5 flashes Outdoor Unit LED: flash Probable causes: Connector connection failure. • Pressure Sensor failure. • Main PCB failure. • Gas leak, less. •...
  • Page 27: Failures With No Error Code

    Split system single 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 28 Split system single 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 29 Split system single 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 30 Split system single 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 31: Sensor Values

    Split system single phase type Sensor Values 2.3.1 Outdoor Unit Temperature Sensors Outdoor Heat Exchanger (outlet) Temperature (°C) 95.6 50.3 27.8 21.0 16.1 12.4 9.63 5.98 3.84 2.5 Resistance value (kΩ) Outdoor Discharge Pipe / Compressor / Expansion valve inlet Temperature (°C) 79.1 62.6...
  • Page 32: Service Parts Information

    Split system single 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 Is there open or loose...
  • Page 33: Service Compressor

    Split system single phase type 2.4.2 Service parts information 2 : Inverter compressor Check point 1 : Check connection Only for WO*A080LDC, WO*A100LDT : Check terminal connection of compressor Check connection of transistor PCB (IPM) (Loose or incorrect wiring) (Loose or incorrect wiring) Check point 2 : check winding resistance Check winding resistance on each terminal If the resistance value is 0Ω...
  • Page 34: Electronic Expansion Valve (Eev)

    Split system single phase type 2.4.3 Service parts information 3 : Outdoor unit electronic expansion valve (EEV) Check point 1 : Check connection Check connection of connector (Loose connector or open cable) WO*A060LDC WO*A080LDC, WO*A100LDT EXPANSION VALVE EXPANSION VALVE COIL COIL Check point 2 : Check coil of EEV Check point 3 : Check voltage from main PCB...
  • Page 35: Solenoid Valve (Sv)

    Split system single 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+/- WO*A060LDC...
  • Page 36: Service Parts Information 6 : Active Filter

    Split system single phase type 2.4.6 Service parts information 6 : Active filter module (Only for WO*A080LDC and WO*A100LDT models) Check point 1 : Check Open or Short-circuit and Diode (D1) Remove connector, check the open or short-circuit and the diode in the module. Check the open or short-circuit Terminal Resistance value...
  • Page 37: Service Parts Information 7 : Ipm

    Split system single phase type 2.4.7 Service parts information 7 : IPM (mounted on Transistor PCB, Only for WO*A080LDC and WO*A100LDT models) Check point 1 (1) Disconnect the connection wires between the WO*A080LDC Transistor PCB – Capacitor PCB and Transistor PCB – Inverter Compressor. (2) Set the tester to the “Restistance mode”, and measure the resistance between the following terminals.
  • Page 38: Operating Limits

    Split system single phase type Operating Limits WO*A060LDC WO*A080LDC WO*A100LDT HEAT PUMP WS*A050DD6 WS*A100DD6 Min/max OT in heat mode -20/35 (°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 39: Failures

    Split system single 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 40: Electrical System

    Split system single 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 41: Refrigeration System

    Split system single 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 outdoor unit ?
  • Page 42 Split system single 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. In boiler backup mode, is the boiler authorized? Overcharging will result in frequently switching to •...
  • Page 43: Compressor Operating Checks

    Split system single phase type b. Defrost ending conditions With all models, defrosting stops if the exchanger temperature is above 16 °C (100L model : 13°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 44: Control Settings

    Split system single 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 45: Function Table

    Split system single 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 / Info...
  • Page 46 Split system single 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 Period start (Day / Month) 01.01…31.12...
  • Page 47 Split system single phase type COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 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 0.5°C Mixing valve decrease 0…20°C 0°C Actuator running time...
  • Page 48 Split system single phase type COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 2884 Release el flow at OT -30°C…30°C 2°C Off ¦ On ¦ Only with 2886 Compensation heat deficit floor curing fct 2916 Max setpoint HP DHW charge 8°C…...
  • Page 49 Split system single phase type COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 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 0…12 7141 Emergency operation...
  • Page 50 Split system single phase type COMMAND ACCESS FACTORY FUNCTION SETTING RANGE LINE LEVEL SETTING 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 Off/on 8406 Condenser pump...
  • Page 51: Adjustment Function Details

    Split system single 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 52: Time Program Functions (Heating Circuit 1 & 2, Dhw, Cooling)

    Split system single 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. •...
  • Page 53: Heating Circuit 1 & 2 Functions

    Split system single phase type Holidays: Line no. Programming line Period start (Day / Month) Period end (Day / Month) Operating level Important ! The holiday program enables changing the heating circuits over to a selected operating level according to The holiday program can be used only in the the date (calendar).
  • Page 54 Split system single phase type Heating Curve Line no. Programming line 1020 Heating curve slope 1021 Heating curve displacement 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 55 Split system single phase type Heating curve displacement curve shift (offset) modifies flow temperature in a general and even manner over the full range of outdoor temperature. In other words, the shift should be corrected when the room temperature is generally too high or too low. Eco Functions Line no.
  • Page 56 Split system single phase type Room Influence Line no. Programming line 1050 Room influence Control types: When using a room temperature sensor there are 3 different types control choose from. SETTING CONTROL TYPE - - - % Simple control according to outdoor conditions * 1...99 % Control according to outdoor conditions with room influence * 100 %...
  • Page 57 Split system single phase type Quick setback Line no. Programming line 1060 Room temp limitation 1080 Quick setback Room temp limitation Quick setback The "Room temperature limitation" function enables During quick setback, the heating circuit pump is the heating circuit pump to be deactivated should the deactivated and, in the case of mixing circuits, the room temperature...
  • Page 58 Split system single phase type Optimisation at switch-on and switch-off Line no. Programming line 1090 Optimum start control max 1091 Optimum stop control max Optimum start control max Optimum stop control max The change in temperature levels is optimised in The change in temperature levels is optimised in such a way as to reach the comfort setpoint during such a way as to reach the comfort setpoint -1/4 °C...
  • Page 59 Split system single phase type Controlled floor drying function Line no. Programming line 1150 Floor curing function 1151 Floor curing setpoint manually 1156 Floor curing day current 1157 Floor curing day completed • This function is used in the controlled drying of floors. Manual It adjusts the flow temperature to a temperature No temperature profile is performed, but the control is...
  • Page 60: Cooling Circuit 1 Functions

    Split system single phase type Operating Mode Changeover Line no. Programming line 1200 Optg mode changeover (None / Frost protection mode / Reduced / Comfort / Automatic) In case of an external changeover via input H2 (on the extension module only) the operating mode to which the changeover will be performed must be previously defined.
  • Page 61 Split system single phase type Comfort cooling setpoint Line no. Programming line Comfort cooling setpoint In cooling mode the room temperature control follows In summer the comfort setpoint is gradually increased the comfort setpoint adjusted under this setting. The in relation to the outdoor temperature (see lines 918- cooling comfort setpoint can be displayed with a knob 920).
  • Page 62 Split system single phase type Line no. Programming line Cooling limit at OT Lock time after end of heating Cooling limit at OT Lock time after end of heating If the composite outdoor temperature is higher than To avoid a quick start of cooling after termination of the cooling limit, cooling is released.
  • Page 63 Split system single 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. Flow temp setp min at OT 35°C The limitation line will be defined by two reference Determines the lowest flow temperature for a points.
  • Page 64 Split system single 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 65 Split system single 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 66: Dhw Functions (With Dhw Kit Or With Integrated Dhw Models)

    Split system single phase type 4.3.6 DHW Functions (with DHW kit or with integrated DHW models) 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 67 Split system single 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. Example: Time program 4 / DHW: (Recommended)
  • Page 68 Split system single 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 Nominal...
  • Page 69: Heat Pump Functions

    Split system single 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 70 Split system single phase type Flow elec. release at OT Calculation of integral • If a flow temperature sensor (BX1) is connected The heater will be activated only if the attenuated and the heating curve is set to the flow temperature outdoor temperature is below the temperature set setpoint, the controller uses the flow temperature here.
  • Page 71: Supplementary Source

    Split system single phase type 4.3.9 Supplementary source • Release is effected via release relay QX2 A supplementary producer can be operated in • 2-position control is effected via control relay QX3 addition to the main producer (heat pump). • Ux can be used to transmit the supplementary Release of the supplementary producer depends on a number of parameters a detailed description of source a DC 0...10 V signal for the required...
  • Page 72 Split system single phase type Flow control Line no. Programming line 3720 Switching integral 3723 Locking time Switching integral Locking time The temperature-time integral is a continuous The locking time enables the heat pump to reach a summation of the temperature differential over time. stable operating state before the supplementary In this case, the decisive criterion is the difference by source is allowed to switch on.
  • Page 73: Dhw Tank Functions (With Dhw Kit Or With Integrated Dhw Models)

    Split system single phase type 4.3.10 DHW Tank Functions (with DHW kit or with integrated DHW models) DHW charging at the nominal setpoint temperature enough heat to reach the setpoint value, it switches (1610) always takes place in two stages. In the first on the DHW tank auxiliary if authorised.
  • Page 74 Split system single 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 75: Configuration Functions

    Split system single 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 76 Split system single 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 77: Error Functions

    Split system single 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 78 Split system single 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 79: Maintenance / Special Operating Mode Functions

    Split system single 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 80 Split system single 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 temperatures are available again when the simulation...
  • Page 81: Input / Output Testing Functions

    Split system single 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 82: Status Functions

    Split system single 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 83 Split system single 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 84 Split system single 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 85 Split system single 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 86 Split system single 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 Max OT limit cooling...
  • Page 87: Generator Diagnosis Functions

    Split system single 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 88: Consumer Diagnosis Functions

    Split system single phase type Hour / Startup Counter Line no. Programming line 8450 Hours run compressor 1 8454 Locking time HP 8455 Counter number of locks HP 8456 Hours run el flow 8457 Start counter el flow Hours run compressor 1 Counter number of locks HP This operating line shows the total number of hours Displays the cumulative locks since start-up by the...
  • Page 89 Split system single 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. Domestic Hot Water (with DHW kit or with integrated DHW models) Line no.
  • Page 90 Split system single 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 91: Maintenance Services

    Split system single phase type 5 Maintenance services Ensure that the general electrical power supply has been cut off before starting any repair work. Hydraulic checks Warning : If frequent refills are required it is essential that you look for any leaks.If filling and re-pressurization are required, check what type of fluid has been used initially.
  • Page 92: Maintenance

    Split system single phase type 6 Maintenance (integrated DHW models Emptying the hydraulic unit - Remove the facade from the hydraulic unit. - Place the distribution valve in the middle position. - Open the emptying valve (ref. 5). - Open the hydraulic unit’s manual bleed-tap (ref. 6). - Open the installation bleed tap.
  • Page 93: Disassembly Process Of Outdoor Unit

    Split system single phase type 7 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. WO*A060LDC and WO*A080LDC 7.1.1 Appearance 7.1.2 TOP PANEL removal...
  • Page 94: Front Panel Removal

    Split system single phase type 7.1.3 FRONT PANEL removal WO*A060LDC WO*A080LDC Remove the FRONT PANEL 7.1.4 VALVE COVER removal 7.1.5 MAIN PCB, TRANSISTOR PCB, and ACTPM removal WO*A060LDC (only MAIN PCB) Maintenance Document 1589-3...
  • Page 95 Split system single phase type WO*A080LDC MAIN PCB removal Maintenance Document 1589-3...
  • Page 96 Split system single phase type TRANSISTOR PCB removal ACTPM PCB removal Maintenance Document 1589-3...
  • Page 97: Fan Motor Removal

    Split system single phase type 7.1.6 FAN MOTOR removal 7.1.7 CABINET RIGHT ASSY removal Maintenance Document 1589-3...
  • Page 98: Thermistor Removal

    Split system single phase type 7.1.8 THERMISTOR removal HEAT EXCHANGER THERMISTOR EEV THERMISTOR OUTDOOR THERMISTOR Maintenance Document 1589-3...
  • Page 99: Solenoid Coil Removal

    Split system single phase type 7.1.9 SOLENOID COIL removal 4 WAY VALVE 7.1.10 EEV COIL removal MAIN 7.1.11 PRESSURE SENSOR removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work. Maintenance Document 1589-3...
  • Page 100: Compressor Removal

    Split system single phase type 7.1.12 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 TOP PANEL, FRONT PANEL and CABINET RIGHT ASSY. 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 type WO*A060LDC WO*A080LDC Keep their shape better. There is a possibility of catching fire to oil when removing by the welding without cutting it. Procedure for compressor installation Reverse procedure to removing the compressor. Precautions for installation of compressor. When brazing, do not apply the flame to the terminal.
  • Page 102: Wo*A100Ldt

    Split system single phase type WO*A100LDT 7.2.1 Appearance 7.2.2 SERVICE PANEL removal 7.2.3 TOP PANEL removal Maintenance Document 1589-3...
  • Page 103: Valve Cover Removal

    Split system single phase type 7.2.4 VALVE COVER removal 7.2.5 MAIN PCB and POWER PCB removal Maintenance Document 1589-3...
  • Page 104: Transistor Pcb And Actpm Pcb Removal

    Split system single phase type 7.2.6 TRANSISTOR PCB and ACTPM PCB removal Maintenance Document 1589-3...
  • Page 105: Fan Motor Removal

    Split system single phase type 7.2.7 FAN MOTOR removal 7.2.8 RIGHT PANEL removal Maintenance Document 1589-3...
  • Page 106: Thermistor Removal

    Split system single phase type 7.2.9 THERMISTOR removal HEAT EXCHANGER THERMISTOR EEV THERMISTOR OUTDOOR THERMISTOR Maintenance Document 1589-3...
  • Page 107: Solenoid Coil Removal

    Split system single phase type 7.2.10 SOLENOID COIL removal 4 WAY VALVE 7.2.11 EEV COIL removal 7.2.12 PRESSURE SENSOR removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work. Maintenance Document 1589-3...
  • Page 108: Compressor Removal

    Split system single phase type 7.2.13 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 109 Split system single phase type Keep their shape better. There is a possibility of catching fire to oil when removing by the welding without cutting it. Procedure for compressor installation Reverse procedure to removing the compressor. Precautions for installation of compressor. 1 When brazing, do not apply the flame to the terminal.
  • Page 110: Precautions For Exchange Of Refrigerant-Cycle-Parts

    Split system single phase type Precautions for exchange of refrigerant-cycle-parts (1) During exchange the following parts shall be protected by wet rag and not make the allowable temperature or more. (2) Remove the heat insulation when there is the heat insulation near the welding place. Move and cool it whan its detaching is difficult.
  • Page 111 Split system single phase type Maintenance Document 1589-3...
  • Page 112 Split system single phase type Fujitsu General (Euro) GmbH Werftstrasse 20 40549 Düsseldorf - Germany Maintenance Document 1589-3...

This manual is also suitable for:

Waterstage ws a100dd6 seriesWaterstage wg a050dd6 seriesWaterstage wg a100dd6 seriesWaterstage wo a060ldc seriesWaterstage wo a080ldc seriesWaterstage wo a100ldt series

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