Daikin SA R32 Sky-Air RZAG-L Service Manual
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Daikin SA R32 Sky-Air RZAG-L Service Manual

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ESIE16-03B
Service
Manual
SA R32 Sky-Air RZAG-L
Indoor unit
Outdoor unit
FCAHG71/100/125/140FVEB RZAG71/100/125/140L7V1B

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Summary of Contents for Daikin SA R32 Sky-Air RZAG-L

  • Page 1 ESIE16-03B Service Manual SA R32 Sky-Air RZAG-L Indoor unit Outdoor unit FCAHG71/100/125/140FVEB RZAG71/100/125/140L7V1B...
  • Page 2 ESIE16-03B The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe N.V.. Daikin Europe N.V. has compiled the content of this publication to the best of its knowledge. No express or implied warranty is given for the completeness, accuracy, reliability or fitness for particular purpose of its content and the products and services presented therein.

  • Page 3: Table Of Contents

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction ........................7 1.1. Version log ..............................7 1.2. Safety precautions .............................8 1.2.1. Meaning of symbols ............................8 1.2.2. Warnings ................................ 8 1.2.3. Cautions ............................... 10 1.2.4. Information ..............................10 1.3. General operation ............................11 1.4. How to use ...............................12 1.4.1.
  • Page 4 SA R32 Sky-Air RZAG-L ESIE16-03B 2.2.2.18. “L8-00” – Electronic thermal overload ....................37 2.2.2.19. “L9-00” – Stall prevention time lag ......................37 2.2.2.20. “LC-00” – Transmission system abnormality ..................38 2.2.2.21. “P1-00” – Open phase or power supply voltage imbalance ..............38 2.2.2.22. “P4-00” – Radiating fin temperature sensor abnormality ...............38 2.2.2.23.
  • Page 5 SA R32 Sky-Air RZAG-L ESIE16-03B 3.3.2.13. Replacing high pressure switches ......................86 3.3.2.14. Replacing inverter PCB .......................... 87 3.3.2.15. Replacing low pressure switch ....................... 88 3.3.2.16. Replacing main PCB ..........................89 3.3.2.17. Replacing propeller fan blade assembly ....................93 Part 4. Maintenance .........................95 4.1.
  • Page 6 SA R32 Sky-Air RZAG-L ESIE16-03B Figure 3-1: 1 service port at the stop valves ......................62 Figure 3-2: 3 service ports at the stop valves ......................63 Figure 3-3: Removing the top plate assembly ......................67 Figure 3-4: Removing the front plate ........................68 Figure 3-5: Removing the front plate assembly .......................

  • Page 7: Part 1. Introduction

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.1. Version log Part 1. Introduction This part contains the following chapters: Version log ......................................7 Safety precautions....................................8 General operation....................................11 How to use ......................................12 1.1. Version log Version code Description Date ESIE16-03A Document release...

  • Page 8: Safety Precautions

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.2. Safety precautions 1.2. Safety precautions The precautions described in this document cover very important topics, follow them carefully. All activities described in the service manual must be performed by an authorized person.
  • Page 9 SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.2. Safety precautions ARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). ARNING Make sure the work site environment is clean and safe to work in. Beware of spilled fluids, like water, oil or other sub- stances.

  • Page 10: Cautions

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.2. Safety precautions ARNING • Only use copper wires. • All field wiring must be performed in accordance with the wiring diagram and installation manual supplied with the product. • If the power cable and lead wires have scratches or deteriorated, be sure to replace them. Damaged cable and wires may cause an electrical shock, excessive heat generation or fire.

  • Page 11: General Operation

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.3. General operation 1.3. General operation • The Sky-Air is typically used for cooling or heating in commercial applications. Some units also have settings to perform technical cooling. The medium which is used to transfer the heat from inside to outside or vice versa, is refrigerant. In case of the RZAG-L, the refrigerant which is used, is R32.

  • Page 12: How To Use

    1.4.1. Interactive information flow This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.

  • Page 13: Parts Of The Book

    1.4.2. Parts of the book This Daikin product Service Manual is intended for professional use only. The actions described hereafter, are only to be performed by qualified and certified persons, taking into account the safety precautions mentioned in this manual and the local regulations as well.
  • Page 14 SA R32 Sky-Air RZAG-L ESIE16-03B Part 1. Introduction 1.4. How to use Page 14 22/08/16 Version 1.1...

  • Page 15: Part 2. Troubleshooting

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check Part 2. Troubleshooting This part contains the following chapters: Error codes check ....................................15 Error based troubleshooting .................................23 Symptom based troubleshooting................................44 Component checklist ....................................45 Other capacity range ....................................59 2.1. Error codes check 2.1.1.
  • Page 16 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check 2.1.1.1.2 How to reset error codes "Error based troubleshooting" on page 23 you find a description of how to reset the specific error or warning. 2.1.1.1.3 History of error codes <Basic screen>...

  • Page 17: Error Codes Via Wireless Remote Controller Brc7

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check 2.1.1.2. Error codes via wireless remote controller BRC7 2.1.1.2.1 How to retrieve error codes If the unit stops due to an error, the operation indicating LED on the indoor unit flashes.
  • Page 18 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check Normal status Enters inspection mode from normal status when the INSPECTION/ TEST button is pressed. 1 Press INSPECTION/TEST button. 3 Press MODE When MODE selector button selector is pressed or no button is button.

  • Page 19: Error Codes Via Outdoor Unit Pcb

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check 2.1.2. Error codes via outdoor unit PCB 2.1.2.1. How to retrieve error codes There are 2 ways to retrieve error codes through the outdoor unit: Troubleshooting by LED on the outdoor main PCB The following diagnosis can be conducted by turning on the power switch and checking the LED indication on the PCB of the outdoor unit.
  • Page 20 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check (*) Using the MODE button, the modes can be changed as follows. Push the BS1 (MODE button) Push and hold the BS1 (MODE button) (Normal) one time. for 5 seconds.

  • Page 21: How To Reset Error Codes

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check : ON : OFF : BLINK Return 1 Return 2 Return 3 Malfunc- Contents of retry or malfunction tion code Indoor heat exchanger thermistor c w x x x c x c c w x x c x x c c w w x x x x...

  • Page 22: History Of Error Codes And Warnings

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.1. Error codes check 2.1.2.3. History of error codes and warnings As described in above procedure, the latest error or warning codes can also be consulted in Monitor mode: Setting item 5= latest error...

  • Page 23: Error Based Troubleshooting

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2. Error based troubleshooting Overview of error codes: Indoor unit ......................................24 “A1-01” – Indoor unit PCB abnormality ............................24 “A3-00” – Drain water level system abnormality........................24 “A6-00” – Indoor unit fan motor abnormality..........................24 “AJ-00”...

  • Page 24: Indoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1. Indoor unit 2.2.1.1. “A1-01” – Indoor unit PCB abnormality Trigger Effect Reset EEPROM data is not received correctly. Unit will stop operating. Power reset via outdoor unit.

  • Page 25: Aj-00" - Capacity Setting Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty indoor PCB. Check if error still occurs after turning off Adjust power to the indoor PCB. power and turning it back on again.

  • Page 26: C4-00" - Heat Exchanger Thermistor Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty indoor PCB. Check if error still occurs after turning off Adjust power to the indoor PCB. power and turning it back on again.

  • Page 27: C9-00" - Suction Air Thermistor Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.1.8. “C9-00” – Suction air thermistor abnormality Trigger Effect Reset Resistance value is out of range. Unit will stop operating. Automatic reset when resistance is within range. T measured < -43.6°C or > 90°C.

  • Page 28: Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2. Outdoor unit 2.2.2.1. “E1-00” – Outdoor unit PCB abnormality Trigger Effect Reset Outdoor main PCB detects that EEPROM Unit will stop operating. Manual reset via user interface.

  • Page 29: E4-00" - Suction Pressure Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Non condensables in refrigerant. Check for non condensables in refriger- In case of suspicion of non condensables, ant. recover, vacuum and recharge with virgin refrigerant.

  • Page 30: E7-00" - Fan Motor Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty expansion valve. Check the expansion valve (see "Elec- Replace the expansion valve body (see tronic expansion valve" on page 50). "Replacing expansion valve body" on...

  • Page 31: E9-00" - Electronic Expansion Valve Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.6. “E9-00” – Electronic expansion valve abnormality Trigger Effect Reset 1. No continuity of expansion valve. Unit will stop operating. Manual reset via user interface. 2. Minimum expansion valve opening Power reset via outdoor unit.

  • Page 32: H3-00" - High Pressure Switch Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Non condensables in refrigerant. Check for non condensables in refriger- In case of suspicion of non condensables, ant. recover, vacuum and recharge with virgin refrigerant.

  • Page 33: H4-00" - Low Pressure Switch Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.9. “H4-00” – Low pressure switch abnormality Trigger Effect Reset When there is no continuity in the low Unit will stop operating. Automatic reset. pressure switch during compressor start.

  • Page 34: J5-00" - Suction Pipe Thermistor Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu- Restore the power to the outdoor main lar intervals (see "Main PCB"...

  • Page 35: J8-00" - Liquid Pipe Thermistor Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty outdoor unit main PCB. Check if the HAP LED is blinking in regu- Adjust the power to the outdoor main lar intervals.

  • Page 36: L5-00" - Output Overcurrent Detection

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty compressor. Check compressor (see "Compressor" on Replace compressor when required (see page 49). "Replacing compressor" on page 76). Check connections and wiring of the com- Investigate reason of breakdown.

  • Page 37: L8-00" - Electronic Thermal Overload

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.18. “L8-00” – Electronic thermal overload Trigger Effect Reset When compressor overload (except dur- Unit will stop operating. Manual reset via user interface. ing start-up) is detected. Possible cause...

  • Page 38: Lc-00" - Transmission System Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.2.20. “LC-00” – Transmission system abnormality Trigger Effect Reset No transmission between outdoor main Unit will stop operating. Automatic reset. PCB and outdoor inverter PCB. Possible cause Check Corrective action Internal wiring is not OK.

  • Page 39: Pj-00" - Capacity Setting Abnormality

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty radiating fin thermistor. Check radiating fin thermistor (see Replace radiating fin thermistor when "Refrigerant thermistors" on page 57). required. Faulty outdoor unit PCB in which radiating...

  • Page 40: System

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.3. System 2.2.3.1. “U0-00” – Refrigerant shortage Trigger Effect Reset Refrigerant shortage detected. Unit will stop operating. Automatic reset (see "Error codes" on page 121). Power reset via outdoor unit.

  • Page 41: U2-00" - Power Supply Abnormality Or Instantaneous Power Failure

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting Possible cause Check Corrective action Faulty or disturbance of the power supply Check if the power supply is conform with Adjust power supply when required. (imbalance > 10%). Power drop. Short cir- regulations.

  • Page 42: U4-00" - Transmission Abnormality Between Indoor Unit And Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.3.4. “U4-00” – Transmission abnormality between indoor unit and outdoor unit Trigger Effect Reset Data sent from outdoor unit cannot be Unit will stop operating. Power reset via outdoor unit.

  • Page 43: Uf-00" - Wiring And Piping Mismatch

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.2. Error based troubleshooting 2.2.3.6. “UF-00” – Wiring and piping mismatch Trigger Effect Reset When the interunit wiring between indoor Unit will stop operating. Automatic reset. and outdoor unit is incorrect. Piping abnormality.

  • Page 44: Symptom Based Troubleshooting

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.3. Symptom based troubleshooting 2.3. Symptom based troubleshooting 2.3.1. Indoor unit Not available yet. 2.3.2. Outdoor unit Not available yet. 2.3.3. System Not available yet. 2.3.4. Others Not available yet. Page 44 22/08/16 Version 1.1...

  • Page 45: Component Checklist

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.4. Component checklist 2.4. Component checklist Overview of component checklists: Indoor unit ......................................46 Fan motor ....................................46 Outdoor unit......................................47 4-way valve ....................................47 Compressor....................................49 Electronic expansion valve...............................50 Fan motor ....................................52 High pressure switch ................................53 Low pressure switch.................................54...

  • Page 46: Indoor Unit

    Mechanical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove casing when required. Check the state of the rotor, replace the rotor if damaged, deformed, cracked or broken.

  • Page 47: Outdoor Unit

    PCB. Unplug 4-way valve connector from applicable PCB. Switch on the Daikin unit via the user interface, start cooling/defrost operation. If the temperature after the heat exchanger drops, proceed with next step. If the temperature after the heat exchanger rises, the 4-way valve is stuck in heating position, replace the 4-way valve body (refer to "Replacing 4-way valve body"...
  • Page 48 Switch off Daikin unit via the user interface. Switch off Daikin unit with the field supplied circuit breaker. Slide a magnet over the front and the rear of the 4-way valve body and sense the attraction of the magnet to determine the valve position.

  • Page 49: Compressor

    Remove plate work when required. Open the compressor insulation. Switch on the Daikin unit and measure the U, V, W inverter voltages. All voltages must be identical, if not, replace the inverter PCB. Switch off the Daikin unit via the user interface.

  • Page 50: Electronic Expansion Valve

    Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Switch on the Daikin unit and listen to the expansion valve assembly, if the expansion valve body does not create a latching sound, continue with the electrical check.
  • Page 51 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.4. Component checklist Harness 5P Check 6P Connector If one or more of the windings have no continuity, replace the expansion valve coil. 22/08/16 Version 1.1 Page 51...

  • Page 52: Fan Motor

    122. Check procedure Mechanical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67). Check the state of the propeller, replace the propeller if damaged, deformed, cracked or broken (refer to "Replacing propeller...

  • Page 53: High Pressure Switch

    122. Check procedure Electrical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67). Disconnect the high pressure switch connector from applicable PCB.

  • Page 54: Low Pressure Switch

    122. Check procedure Electrical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67). Disconnect the low pressure switch connector from applicable PCB.

  • Page 55: Main Pcb

    Mechanical check Not applicable. Electrical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67). Switch on the Daikin unit with the field supplied circuit breaker.
  • Page 56 87). 18. Switch off the Daikin unit with the field supplied circuit breaker. 19. Wait a few minutes and confirm that the LED's on the Inverter Analyzer are off. 20. Disconnect the Inverter Analyzer from the U V W wiring.

  • Page 57: Refrigerant Thermistors

    Check procedure Mechanical check Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Locate the thermistor and check if thermal contact with the piping or ambient is ensured. Electrical check NFORMATION If a thermistor check fails, replace the thermistor.
  • Page 58 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.4. Component checklist • The measured value 21.86 kΩ is inside the range, thermistor R3T passes the check. NFORMATION The user interface allows to monitor most thermistors. If the measured resistance of the thermistor matches the temperature measured with the contact thermometer but the temperature for the corresponding thermistor is not correct on the user interface display, replace applicable PCB.

  • Page 59: System

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.5. Other capacity range 2.4.3. System Not applicable. 2.4.4. Others Not applicable. 2.5. Other capacity range Not applicable. 22/08/16 Version 1.1 Page 59...
  • Page 60 SA R32 Sky-Air RZAG-L ESIE16-03B Part 2. Troubleshooting 2.5. Other capacity range Page 60 22/08/16 Version 1.1...

  • Page 61: Part 3. Repair

    3.1.2. Recovery procedure 3.1.2.1. Outdoor unit casing Switch off the Daikin unit via the user interface. Manually open the expansion valve (located on the outdoor unit). Connect the vacuum pump, manifold, recovery unit and refrigerant bottle to the service port as shown below.

  • Page 62: Figure 3-1: 1 Service Port At The Stop Valves

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.1. Refrigerant repair procedures In case of 1 service port at the stop valves Figure 3-1: 1 service port at the stop valves 1. Vacuum pump 3. To recovery pump 2. Connect flexible hose to service port 3 stop valve NFORMATION See instruction of the recovery pump supplier how to recover the refrigerant.

  • Page 63: Refrigerant Pump Down

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.1. Refrigerant repair procedures Figure 3-2: 3 service ports at the stop valves > 1. Vacuum pump 2. To recovery pump NFORMATION See instruction of the recovery pump supplier how to recover the refrigerant.

  • Page 64: Large Outdoor Unit

    Check on manifold if vacuum is reached, close gas stop valve and forced cooling operation. 3.1.3.2. Large outdoor unit Stop all demands for the Daikin unit. Switch OFF / ON the power supply of the outdoor unit. Carry out forced cooling operation.

  • Page 65: Service Tools

    3.2. Service tools 3.2. Service tools For an overview of the applicable service tools, please check the Daikin Business Portal: http://www.mydaikin.eu Go to the tab “After-sales support” on the left side and then select “Technical support”. You will then find a button “Service tools” which gives you an overview on which service tool to use for which product. Also additional information on the service tool (instruction, latest software) can be found there.

  • Page 66: Unit Specific Repair Procedures

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures 3.3. Unit specific repair procedures Overview: Indoor unit......................................66 Outdoor unit......................................67 Basic removal ..................................67 Replacing thermistor................................71 Replacing 4-way valve body..............................73 Replacing 4-way valve coil ..............................75 Replacing accumulator assembly............................

  • Page 67: Outdoor Unit

    Switch off the Daikin unit with the field supplied circuit breaker. Loosen and remove the 9 screws (1) that fix the top plate assembly (2). Lift the top plate assembly (2) and remove it from the Daikin unit. Figure 3-3: Removing the top plate assembly 1.

  • Page 68: Figure 3-4: Removing The Front Plate

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Figure 3-4: Removing the front plate 1. Screw 2. Front plate Loosen and remove the 11 screws (1) that fix the front plate assembly (3). Loosen and remove the screw (2) that fixes the front plate assembly (3).

  • Page 69: Figure 3-6: Removing The Cover

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures 10. Loosen and remove the screw (1) that fixes the cover (2). 11. Remove the cover (1) from the unit. Figure 3-6: Removing the cover 1. Screw 2.

  • Page 70: Figure 3-8: Removing The Right Side Plate

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Figure 3-8: Removing the right side plate 1. Thermistor R1T 3. Screw 2. Thermistor fixing plate 4. Right side plate Page 70 22/08/16 Version 1.1...

  • Page 71: Replacing Thermistor

    3.3. Unit specific repair procedures 3.3.2.2. Replacing thermistor Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 72: Figure 3-10: Replacing A Thermistor

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Cut the tie wraps (1) that fix the insulation (3) and the thermistor wire (2). Cut the insulation (3) and remove it. Pull the clip (5) that fixes the thermistor (6).

  • Page 73: Replacing 4-Way Valve Body

    3.3. Unit specific repair procedures 3.3.2.3. Replacing 4-way valve body Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).
  • Page 74 SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Wrap a wet rag around the 4-way valve (2). Proceed in reverse order. Page 74 22/08/16 Version 1.1...

  • Page 75: Replacing 4-Way Valve Coil

    3.3. Unit specific repair procedures 3.3.2.4. Replacing 4-way valve coil Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 76: Replacing Compressor

    3.3. Unit specific repair procedures 3.3.2.6. Replacing compressor Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 77: Figure 3-14: Removing Compressor

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures 18. Loosen and remove the 3 bolts (5) that fix the compressor (7). 19. Remove the compressor (7). 20. Remove the dampers (4) from the compressor (7).
  • Page 78 SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Installation AUTION The oil in the compressor is hygroscopic. Remove the caps from the compressor piping as late as possible. NFORMATION Before installing a new compressor, determine the cause of the compressor failure and take all required corrective actions.

  • Page 79: Replacing Dc Fan Motor Assembly

    3.3.2.7. Replacing DC fan motor assembly Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove the propeller fan (refer to "Replacing propeller fan blade assembly" on page 93).

  • Page 80: Replacing Electrical Noise Filter

    3.3. Unit specific repair procedures 3.3.2.8. Replacing electrical noise filter Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove the main PCB assy (refer to "Replacing main PCB" on page 89).

  • Page 81: Replacing Expansion Valve Body

    3.3. Unit specific repair procedures 3.3.2.9. Replacing expansion valve body Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 82: Replacing Expansion Valve Motor

    3.3. Unit specific repair procedures 3.3.2.10. Replacing expansion valve motor Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 83: Figure 3-19: Removing Expansion Valve Motor

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Figure 3-19: Removing expansion valve motor 1. Expansion valve motor 2. Expansion valve 22/08/16 Version 1.1 Page 83...

  • Page 84: Replacing Solenoid Valve

    3.3. Unit specific repair procedures 3.3.2.11. Replacing solenoid valve Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 85: Replacing Solenoid Valve Coil

    3.3. Unit specific repair procedures 3.3.2.12. Replacing solenoid valve coil Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 86: Replacing High Pressure Switches

    3.3. Unit specific repair procedures 3.3.2.13. Replacing high pressure switches Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 87: Replacing Inverter Pcb

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Wrap a wet rag around the pressure sensor. Proceed in reverse order. 3.3.2.14. Replacing inverter PCB The inverter is integrated in the main PCB, see "Replacing main PCB" on page 22/08/16 Version 1.1...

  • Page 88: Replacing Low Pressure Switch

    3.3. Unit specific repair procedures 3.3.2.15. Replacing low pressure switch Removal Switch off the Daikin unit via the user interface. Switch off the Daikin unit with the field supplied circuit breaker. Remove plate work when required (refer to "Basic removal" on page 67).

  • Page 89: Replacing Main Pcb

    Only use a wrench/socket or a ring spanner to loosen or fasten the heat sink screws. Do not use a screwdriver. 11. Remove the 4 screws (7) that fix the main PCB support to the Daikin unit. 12. Lift and turn the lid (10) to the left.

  • Page 90: Figure 3-24: Removing The Main Pcb Assembly

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Figure 3-24: Removing the main PCB assembly 1. Protection sheet 7. Screw 2. Terminal block 8. Screw 3. Tie wrap 9. Cable clamp 4. Connectors 10. Compressor connector 5.

  • Page 91: Figure 3-25: Stripping The Main Pcb Assembly (Front)

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures 19. Loosen and remove the 3 screws (5) that fix the wiring. 20. Loosen and remove the 2 screws (6) that fix the wiring. 21. Loosen and remove the 2 screws (7) that fix the wiring.

  • Page 92: Figure 3-26: Stripping The Main Pcb Assembly (Rear)

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Figure 3-26: Stripping the main PCB assembly (rear) 1. Screw 4. Cable clamp 2. Tie wrap 5. Electrical noise filter PCB 3. Standoff Installation Proceed in reverse order.

  • Page 93: Replacing Propeller Fan Blade Assembly

    Loosen and remove the 4 nuts (1) that fix the air discharge grill (2). Press (A) the 2 latches to release the air discharge grill (2). Tilt (B) the air discharge grill (2) and remove it from the Daikin unit. Remove the nut (3) that fixes the propeller fan (4).
  • Page 94 SA R32 Sky-Air RZAG-L ESIE16-03B Part 3. Repair 3.3. Unit specific repair procedures Page 94 22/08/16 Version 1.1...

  • Page 95: Part 4. Maintenance

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 4. Maintenance 4.1. Indoor unit Part 4. Maintenance This part contains the following chapters: Indoor unit ......................................95 Outdoor unit......................................96 4.1. Indoor unit 4.1.1. General maintenance indoor unit Optimal operation conditions Cooling Heating Differential between suction temperature 8~18°C...

  • Page 96: Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 4. Maintenance 4.2. Outdoor unit 4.2. Outdoor unit 4.2.1. General maintenance outdoor unit Outdoor unit coil Straighten hair fins. Clear coil from dust, leaves, etc. with a fin-comb, or compressed air/N2. Avoid bending or damaging of the Alu fins during the cleaning process.

  • Page 97: Part 5. Appendix

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix Part 5. Appendix This part contains the following chapters: Field setting ......................................99 Detailed information setting mode..............................107 Wiring diagram ....................................114 Piping diagram ....................................117 Component overview of unit................................118 Product specific information ................................121 Switch box ......................................122 Field information report ..................................122...
  • Page 98 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix Page 98 22/08/16 Version 1.1...

  • Page 99: Field Setting

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1. Field setting 5.1.1. Indoor unit 5.1.1.1. Retrieve field settings BRC1E <Basic screen> <Field setting menu screen> Press Menu/Enter button. <Field setting screen> In the case of individual In the case of group total...
  • Page 100 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting Press Menu/Enter button. Setting confirmation screen is displayed. Select Yes and press Menu/Enter button. Setting details are determined and field setting list screen returns. In the case of multiple setting changes, repeat “(3)” to “(7)”.

  • Page 101: Retrieve Field Settings Brc7

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1.1.2. Retrieve field settings BRC7 1. Mode No. 4. First code No. 7. DOWN button 2. Field setting mode 5. Second code No. 8. MODE button 3. RESERVE button 6.

  • Page 102: Sky-Air R32 Indoor Field Settings

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1.1.3. Sky-Air R32 indoor field settings Second Code No. Mode No. First Code No. Description of Setting 10 (20) Filter cleaning sign interval Long life filter 2,500 hrs. (factory setting) 1,250 hrs.

  • Page 103: Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1.2. Outdoor unit 5.1.2.1. Retrieve field settings OU mode 2 5.1.2.1.1 Location of DIP Switch and BS Button Various settings are available by using the DIP switches and the BS buttons on the PCB.
  • Page 104 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting • Current operating condition (normal/test operation/line inspection and normal/error) • Night time quiet operation condition (normal/low noise level 1, 2, and) • Demand operating condition (normal/30% demand/40% demand/50% demand)

  • Page 105: Sky-Air R32 Outdoor Field Settings Through Outdoor

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1.2.2. Sky-Air R32 outdoor field settings through outdoor h: OFF k: ON Display of setting items Display of setting conditions LED display LED Display Setting items Setting condition Demand 2 operation...

  • Page 106: Remote Controller

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.1. Field setting 5.1.3. Remote controller Second Code No. Mode No. First Code No. Description Details 16 (26) Night time low Disabled (Factory Automatic low Capacity preced- Automatic low — Refer to "Quiet...

  • Page 107: Detailed Information Setting Mode

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode 5.2. Detailed information setting mode 5.2.1. Indoor unit Not applicable. 5.2.2. Outdoor unit Setting of Demand 2 operation With this setting, compressor operation can be controlled to reduce power consumption. (60% - 80% demand is available when a demand adapter (optional accessory) is used.)

  • Page 108: Remote Controller

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode 5.2.3. Remote controller 5.2.3.1. Quiet (Low Noise) Operation Lower the operation sound of the outdoor unit. Silent Operation can be activated by: Automatic control (by field setting from remote controller)

  • Page 109: I-Demand Function

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode Model RZQG71 RZQG100 RZQG125 RZQG140 Sound reduction 6 dBA 5 dBA 6 dBA 7 dBA 5.2.3.2. I-Demand Function Set a limitation towards the power consumption from the system (e.g. budget control, limit power consumption during peak moments, ...).
  • Page 110 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode AUTION When using the “LH settings” outside the “Low Humidity Area” there is an increased risk of ice accumulation on the indoor coil or water blowing out from the indoor unit.
  • Page 111 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode Graph 2 Target evaporating temperature control when “low humidity application” is selected. Field setting 16(26)-2-03: Te target acceptable area Remote controller setting temp. Te target Te target limited ≤ 20°C (°C)

  • Page 112: Defrost Operation

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode Indoor Temp. (°C-WB) Outdoor Temp. (°C-DB) Capacity (% of standard point) 0.62 0.81 0.91 1.01 1.06 1.16 1.21 1.26 0.62 0.81 0.91 1.01 1.06 1.16 1.21 1.26 0.62...
  • Page 113 SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.2. Detailed information setting mode Defrost Control Defrosting complete Defrosting start Previous control A Hz Compressor 0 Hz Four way valve Electronic 480 pls (wet protection control) expansion valve 0 pls (5~60 sec.) 0 pls (5 sec.)

  • Page 114: Wiring Diagram

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.3. Wiring diagram 5.3. Wiring diagram 5.3.1. Indoor unit Figure 5-1: Wiring diagram - indoor unit Sensor kit Input from outside (see note 4) t° t° t° 1 2 3 4 Outdoor...

  • Page 115: Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.3. Wiring diagram 5.3.2. Outdoor unit Figure 5-2: Wiring diagram - outdoor unit 71 1N~ 50 Hz 220-240 V X205A BS1 BS2 BS3 BS4 GRN/YLW Q1DI (Y1E,Y3E) t° t° t° t° t°...

  • Page 116: Field Wiring

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.3. Wiring diagram Figure 5-3: Wiring diagram - outdoor unit 100-140 1N~ 50 Hz 220-240 V GRN/YLW Q1DI X803A See note 7 K14R K15R X98A X802A X99A X801A X25A X26A X28A S1PL...

  • Page 117: Piping Diagram

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.4. Piping diagram 5.4. Piping diagram 5.4.1. Indoor unit Figure 5-4: Piping diagram - indoor unit a. Liquid pipe connection b. Gas pipe connection c. Filter d. Heat exchanger 5.4.2. Outdoor unit...

  • Page 118: Component Overview Of Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.5. Component overview of unit 5.5. Component overview of unit 5.5.1. Indoor unit Figure 5-6: Components overview - indoor unit a. Switch box d. Drain pipe connection (VP25) g. Fan motor b. Gas pipe connection e.

  • Page 119: Outdoor Unit

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.5. Component overview of unit 5.5.2. Outdoor unit Figure 5-7: Components overview - outdoor unit 71 S1PH-A S1PL S1PH-M a. Heat exchanger Printed circuit board (main) b. Internal service port Motor (compressor) c.

  • Page 120: Figure 5-8: Components Overview - Outdoor Unit 100-140

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.5. Component overview of unit Figure 5-8: Components overview - outdoor unit 100-140 S1PL S1PH-M S1PH-A a. Heat exchanger Printed circuit board (main) b. Internal service port Motor (compressor) c. Switch box cooling Motor (upper fan) d.

  • Page 121: Product Specific Information

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.6. Product specific information 5.6. Product specific information 5.6.1. Error codes 5.6.1.1. “E9-00” - Electronic expansion valve abnormality Trigger conditions • A = 4 K • B = 10 K 5.6.1.2. “F3-00” - Discharge pipe temperature abnormality Compressor A (°C)

  • Page 122: Switch Box

    SA R32 Sky-Air RZAG-L ESIE16-03B Part 5. Appendix 5.7. Switch box 5.7. Switch box 5.7.1. Indoor unit Not applicable. 5.7.2. Outdoor unit Not applicable. 5.8. Field information report See next page. Page 122 22/08/16 Version 1.1...
  • Page 123 In case a problem occurred on the unit which could not be resolved by using the content of this service manual or in case you have a problem which could be resolved but of which the manufacturer should be notified, we advise you to contact your distributor. To facilitate the investigation, additional information is required.
  • Page 124 Application info Application (house, apartment, office, …): New project or refurbishment: Heat emitters (radiators / under floor heating / fan coils / …): Hydraulic layout (simple schematic): Unit / Installation info Model name: Serial number: Installation / commissioning date: Software version hydro PCB A1P: Software version hydro PCB A5P: Software version user interface: Software version outdoor PCB:...

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