Table of Contents
Troubleshooting
Related Manuals for Daikin VRV 5-S RXYSA4A7V1B
Summary of Contents for Daikin VRV 5-S RXYSA4A7V1B
- Page 1 Installation and operation manual VRV 5-S system air conditioner RXYSA4A7V1B RXYSA5A7V1B RXYSA6A7V1B RXYSA4A7Y1B Installation and operation manual RXYSA5A7Y1B English VRV 5-S system air conditioner RXYSA6A7Y1B...
- Page 2 (mm) — ≥100 A, B, C — ≥100 ≥100 ≥100 B, E — ≥100 ≥1000 ≤500 A, B, C, E — ≥150 ≥150 ≥150 ≥1000 ≤500 — ≥500 D, E — ≥500 ≥1000 ≤500 >H B, D ≥100 ≥500 ≤H ≥100 ≥500 B, D, E...
- Page 3 All other floors m [kg] Lowest underground floor 2.2 m 2.2 m 1.8 m 1.8 m 25 30 35 40 45 50 55 60 70 75 80 85 90 95 100 25 30 35 40 45 50 55 60 70 75 80 85 90 95 100 A [m A [m [kg]...
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Page 4: Table Of Contents
Table of contents 8.2.14 Symptom: The outdoor unit fan does not spin ..... 16 Table of contents 8.2.15 Symptom: The compressor in the outdoor unit does not stop after a short heating operation ....... 16 8.2.16 Symptom: The inside of an outdoor unit is warm even when the unit has stopped ........ -
Page 5: About This Document
▪ Detailed step-by-step instructions and background information Any gas or oil remaining inside the stop valve may blow off for basic and advanced usage the spun piping. ▪ Format: Digital files on https://www.daikin.eu. Use the search CAUTION function to find your model. -
Page 6: Instructions For Equipment Using R32 Refrigerant
2 Specific installer safety instructions WARNING WARNING Provide adequate measures to prevent that the unit can be ▪ If the power supply has a missing or wrong N-phase, used as a shelter by small animals. Small animals that equipment might break down. make contact with electrical parts can cause malfunctions, ▪... -
Page 7: For The User
WARNING Make sure installation, servicing, maintenance and repair CAUTION comply with instructions from Daikin and with applicable Do NOT use potential sources of ignition in searching for legislation and are executed ONLY by authorised persons. or detection of refrigerant leaks. -
Page 8: Instructions For Safe Operation
3 User safety instructions CAUTION CAUTION ▪ Do NOT place any objects or Do NOT operate the system when equipment on top of the unit. using a room fumigation-type insecticide. Chemicals could collect in ▪ Do NOT sit, climb or stand on the the unit, and endanger the health of unit. -
Page 9: About The System
4 About the system WARNING WARNING NEVER replace a fuse with a fuse of a Stop operation and shut OFF the wrong ampere ratings or other wires power if anything unusual occurs when a fuse blows out. Use of wire or (burning smells etc.). -
Page 10: System Layout
5 User interface 6.2.2 About cooling, heating, fan only, and System layout automatic operation ▪ Changeover cannot be made with a user interface whose display shows "change-over under centralised control" (refer to installation and operation manual of the user interface). ▪... -
Page 11: To Operate The System (With Cool/Heat Changeover Remote Control Switch)
6 Operation 6.2.5 To operate the system (WITH cool/heat 6.3.2 To use the dry program (WITHOUT cool/ changeover remote control switch) heat changeover remote control switch) Overview of the changeover remote control switch To start FAN ONLY/AIR CONDITIONING 1 Press the operation mode selector button on the user interface SELECTOR SWITCH several times and select (program dry operation). -
Page 12: Setting The Master User Interface
7 Maintenance and service Wall-mounted units 6.5.2 To designate the master user interface 1 Press the operation mode selector button of the current master user interface for 4 seconds. In case this procedure was not yet performed, the procedure can be executed on the first user For the following conditions, a micro computer controls the air flow interface operated. -
Page 13: After-Sales Service And Warranty
8 Troubleshooting ▪ The symptoms or malfunction, and details of the defect. NOTICE Applicable legislation on fluorinated greenhouse gases WARNING requires that the refrigerant charge of the unit is indicated ▪ Do NOT modify, disassemble, remove, reinstall or both in weight and CO equivalent. -
Page 14: Error Codes: Overview
8 Troubleshooting Malfunction Measure Main code Contents The system operates ▪ Check if air inlet or outlet of outdoor or Waiting for R32 sensor replacement confirmation from but cooling or heating indoor unit is not blocked by obstacles. one of the indoor units is insufficient. -
Page 15: Symptoms That Are Not System Malfunctions
8 Troubleshooting ▪ Immediately after the cooling operation stops and if the room Symptoms that are NOT system temperature and humidity are low. This is because warm malfunctions refrigerant gas flows back into the indoor unit and generates steam. The following symptoms are NOT system malfunctions: 8.2.7 Symptom: White mist comes out of a unit 8.2.1... -
Page 16: Symptom: The Outdoor Unit Fan Does Not Spin
9 Relocation 8.2.14 Symptom: The outdoor unit fan does not Relocation spin Contact your dealer to remove and reinstall the entire unit. Moving During operation. The speed of the fan is controlled in order to units requires technical expertise. optimise product operation. 8.2.15 Symptom: The compressor in the outdoor Disposal... -
Page 17: To Remove The Accessories From The Outdoor Unit
12 Special requirements for R32 units Outdoor unit installation 11.1.3 To remove the accessories from the outdoor unit The outdoor unit must be installed outside. For indoor installation of the outdoor unit, additional measures can be necessary to comply 1 Remove the service cover. See "13.2.1 ... - Page 18 12 Special requirements for R32 units For installation of the remote controller, please refer to the output PCB of the indoor unit of that specific room. The outdoor installation and operation manual delivered with the remote SVS will trigger for any R32 leak detected in the complete system. controller.
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Page 19: To Determine The Charge Limit
12 Special requirements for R32 units NOT OK Case In case of one R32 safety system compatible remote controller, it should be the master and in the same room of the indoor unit. In case a ducted indoor unit is serving a different room than where it is installed, both supply and return air MUST be directly ducted to that room. - Page 20 12 Special requirements for R32 units If the partition between two rooms on the same floor meets certain ▪ the bottom side of the indoor unit and the lowest point of the floor, requirements, then the rooms are considered as one room and the in case the indoor unit is installed in the same room.
- Page 21 12 Special requirements for R32 units Example 3: Room 5. Fine-tune system with more detailed calculations in Xpress. Area [m²] NOTICE Installation height [m] The total refrigerant charge amount in the system MUST Lowest underground floor — — always be lower than the number of connected indoor units ×15.96 [kg], with a maximum of 63.84 kg.
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Page 22: Unit Installation
13 Unit installation Flow chart 13.1 Preparing the installation site Check if room sizes WARNING meet the requirements The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric Determine room areas for all heater). -
Page 23: Opening And Closing The Unit
13 Unit installation 13.2 Opening and closing the unit 13.2.1 To open the outdoor unit DANGER: RISK OF ELECTROCUTION 4× M12 DANGER: RISK OF BURNING/SCALDING (mm) Make sure not to cover the drain holes of the bottom plate of the unit. 1×... -
Page 24: To Prevent The Outdoor Unit From Falling Over
14 Piping installation NOTICE If the unit CANNOT be installed fully level, always make sure that the inclination is towards the backside of the unit. This is required to guarantee proper drainage. NOTICE If drain holes of the outdoor unit are covered by a mounting base or by floor surface, raise the unit to provide a free space of more than 150 mm under the outdoor unit. -
Page 25: To Select Refrigerant Branch Kits
14 Piping installation Piping between outdoor unit and (first) refrigerant branch Refnet joint at first branch (counting from outdoor unit) When using refnet joints at the first branch counted from the outdoor B-1 B-2 Piping between refrigerant branch kits unit side, choose from the following table in accordance with the C-1~C-4 Piping between refrigerant branch kit and indoor unit capacity of the outdoor unit. -
Page 26: To Connect The Refrigerant Piping To The Outdoor Unit
14 Piping installation 5 Cut off the lower part of the gas and liquid stop valve pipes along the black line. Use an appropriate tool (e.g. a pipe cutter). WARNING Front Side Rear NEVER remove the spun piping by brazing. Bottom Any gas or oil remaining inside the stop valve may blow off INFORMATION... -
Page 27: To Connect The Refrigerant Branching Kit
14 Piping installation NOTICE 14.3 Checking the refrigerant piping When brazing: First braze the liquid side piping, then the gas side piping. Enter the filler rod from the front of the unit 14.3.1 Checking refrigerant piping: Setup and the brazing torch from the right side to braze with the flame pointing outside. -
Page 28: To Perform Vacuum Drying
15 Charging refrigerant NOTICE NOTICE ALWAYS use a recommended bubble test solution from If operation is performed within 12 minutes after the indoor your wholesaler. and outdoor units are powered on, the compressor will not operate before the communication is established in a NEVER use soap water: correct way between outdoor unit(s) and indoor units. -
Page 29: To Charge Refrigerant
15 Charging refrigerant INFORMATION Then Too much refrigerant is Recover refrigerant. Note down the amount of additional refrigerant that is charged calculated here, for later use on the additional refrigerant Disconnect the manifold from charge label. See "15.5 To fix the fluorinated greenhouse the liquid line. -
Page 30: Error Codes When Charging Refrigerant
16 Electrical installation INFORMATION NOTICE ▪ When a malfunction is detected during the procedure Applicable legislation on fluorinated greenhouse gases (e.g., in case of closed stop valve), a malfunction code requires that the refrigerant charge of the unit is indicated will be displayed. -
Page 31: Specifications Of Standard Wiring Components
16 Electrical installation Model Minimum S value RXYSA4_V 122.95 kVA RXYSA5_V 154.07 kVA TO IN/D TO IN/D TO OUT/D RXYSA6_V 173.05 kVA 16.2 Specifications of standard wiring components NOTICE F1 F2 F1 F2 F1 F2 We recommend using solid (single-core) wires. If stranded wires are used, slightly twist the strands to consolidate the end of the conductor for either direct use in the terminal clamp or insertion in a round crimp-style terminal. -
Page 32: To Connect The External Outputs
16 Electrical installation Inside of the outdoor unit Outside of the outdoor unit Cable Bush Frame Tube 8 Route the cables out of the unit. WARNING Avoid sharp edges when routing cables to the rear. Make sure to route the cables through the left side of the accumulator foot when passing through the tunnel: NOTICE Interconnection cable... -
Page 33: To Connect The Cool/Heat Selector Switch Option
16 Electrical installation SVS connection requirements 16.5 To connect the cool/heat selector Wire size Only use harmonised wire providing double switch option insulation and suitable for 220~240 V In order to control the cooling or heating operation from a central 2-core cable location, following optional... -
Page 34: To Check The Insulation Resistance Of The Compressor
17 Finishing the outdoor unit installation Inside the outdoor unit To insulate the refrigerant piping, proceed as follows: DIP switch 1 16.6 To check the insulation resistance of the compressor NOTICE If, after installation, refrigerant accumulates in the compressor, the insulation resistance over the poles can drop, but if it is at least 1 MΩ, then the unit will not break down. -
Page 35: Configuration
18 Configuration Mode Description Configuration Mode 2 Mode 2 is used to change the field settings of the system. Consulting the current field setting DANGER: RISK OF ELECTROCUTION (field settings) value and changing the current field setting value is possible. INFORMATION In general, normal operation can be resumed It is important that all information in this chapter is read without special intervention after changing field... -
Page 36: To Access Mode 1 Or 2
18 Configuration Access Action Mode 1 Push BS1 one time. 7‑segment display indication changes to: 7-segment displays Push BS1 one more time to return to the The display gives feedback about the field settings, which are default situation. defined as [Mode-Setting]=Value. Mode 2 Push BS1 for at least 5 seconds. -
Page 37: Mode 1: Monitoring Settings
Next commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a [2‑9]... -
Page 38: Precautions When Commissioning
19 Commissioning 19.1 Precautions when commissioning Stop valves Be sure that the stop valves are open on both liquid and CAUTION gas side. Do NOT perform the test operation while working on Damaged equipment the indoor units. Check the inside of the unit for damaged components or When performing the test operation, NOT ONLY the squeezed pipes. -
Page 39: To Perform A Test Run (7-Segment Display)
20 Troubleshooting 4 Check the test operation results on the outdoor unit 7‑segment INFORMATION display. ▪ It may take 10 minutes to achieve a uniform refrigerant Completion Description state before the compressor starts. Normal No indication on the 7‑segment display (idle). ▪... - Page 40 20 Troubleshooting Main code Cause Solution SVEO R32 sensor 6 months before end of lifetime in One of the R32 sensors is close to the end of lifetime and one of the indoor units will have to be replaced soon. Waiting for R32 sensor replacement confirmation Waiting for confirmation that the R32 sensor has been from one of the indoor units replaced in one of the indoor units.
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Page 41: Refrigerant Leak Detection System
21 Disposal Main code Cause Solution SVEO ▪ The stop valve of an outdoor unit is left closed. ▪ Open the stop valve on both the gas and liquid side. ▪ The piping and wiring of the specified indoor ▪ Confirm that the piping and wiring of the specified unit are not connected correctly to the outdoor indoor unit are connected correctly to the outdoor unit. -
Page 42: Technical Data
22 Technical data Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin Business Portal (authentication required). 22.1 Service space: Outdoor unit... -
Page 43: Piping Diagram: Outdoor Unit
22 Technical data 22.2 Piping diagram: Outdoor unit S1NPL S1NPH HPS–A HPS–M 3D127852 Liquid Thermistors: Thermistor (ambient) Charge port Thermistor (suction) Service port Thermistor (liquid) Stop valve Thermistor (subcool) Refrigerant filter Thermistor (superheat) One-way valve Thermistor (heat exchanger) Pressure relief valve R10T Thermistor (fin) PCB cooling... - Page 44 22 Technical data Legend for wiring diagram RXYSA4~6_V: Leak sensor output (SVS) (field supply) Printed circuit board (main) Noise filter (ferrite core) Printed circuit board (sub) Z*F (A*P) Noise filter Printed circuit board (back-up) Legend for wiring diagram RXYSA4~6_Y: Printed circuit board (cool/heat selector) Printed circuit board (main) BS* (A1P) Push buttons (mode, set, return, test, reset)
- Page 45 22 Technical data Electronic expansion valve (main – EVM1) Electronic expansion valve (EVT) Electronic expansion valve (main – EVM2) Electronic expansion valve (EVL) Electronic expansion valve (EVSL) Electronic expansion valve (EVSG) Solenoid valve (4‑way valve) Error operation output (SVEO) (field supply) Leak sensor output (SVS) (field supply) Noise filter (ferrite core) Z*F (A*P)
- Page 48 4P600329-1 E 0000000. 4P600329-1E 2023.02 Verantwortung für Energie und Umwelt...