Related Manuals for Daikin VRV 5-S RXYSA8AMY1B
Summary of Contents for Daikin VRV 5-S RXYSA8AMY1B
- Page 1 Installation and operation manual VRV 5-S system air conditioner RXYSA8AMY1B Installation and operation manual RXYSA10AMY1B English VRV 5-S system air conditioner RXYSA12AMY1B...
- 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 — ≥1000 ≥1000 ≤500 B, D — ≥100 ≥1000 B, D, E <H ≤½H ≥250...
- Page 3 Lowest underground floor All other floors No safety measure No safety measure Alarm + shut-off valve [SV unit] NOT allowed Alarm + natural ventilation m [kg] m [kg] [m²] [m²] m [kg] Lowest underground floor All other floors m [kg] Lowest underground floor All other floors No safety measure...
-
Page 4: Table Of Contents
Table of contents 8.2.14 Symptom: The outdoor unit fan does not spin .... 17 Table of contents 8.2.15 Symptom: The compressor in the outdoor unit does not stop after a short heating operation ...... 17 8.2.16 Symptom: The inside of an outdoor unit is warm even when the unit has stopped ......... -
Page 5: About This Document
18.1.7 Mode 2: field settings ..........42 for basic and advanced usage 18.1.8 Indoor unit field setting..........43 ▪ Format: Digital files on https://www.daikin.eu. Use the search 19 Commissioning function to find your model. 19.1 Precautions when commissioning ..........43 The latest revision of the supplied documentation is published on the 19.2... - Page 6 2 Specific installer safety instructions WARNING WARNING If one or more rooms are connected to the unit using a Take sufficient precautions in case of refrigerant leakage. If duct system, make sure: refrigerant gas leaks, ventilate the area immediately. Possible risks: ▪...
- Page 7 2 Specific installer safety instructions Electrical installation (see "17 Electrical installation" [ 4 37]) CAUTION ▪ When connecting the power supply: connect the earth WARNING cable first, before making current-carrying Electrical wiring MUST be in accordance with the connections. instructions from: ▪ When disconnecting the power supply: disconnect the installation" [ 4 37].
-
Page 8: Instructions For Equipment Using R32 Refrigerant
▪ Do NOT re-use joints and copper gaskets which have Make sure installation, servicing, maintenance and repair been used already. comply with instructions from Daikin and with applicable ▪ Joints made in the installation between parts of the legislation (for example national gas regulation) and are refrigerant system shall be accessible for maintenance executed ONLY by authorised persons. -
Page 9: Instructions For Safe Operation
To be effective, the unit MUST be Daikin (including all documents listed in electrically powered at all times after “Documentation set”) and, in addition, installation, except for maintenance. - Page 10 3 User safety instructions CAUTION WARNING Do NOT insert fingers, rods or other The appliance shall be stored in a objects into the air inlet or outlet. Do room without continuously operating NOT remove the fan guard. When the ignition sources (example: open fan is rotating at high speed, it will flames, an operating gas appliance or cause injury.
-
Page 11: About The System
4 About the system WARNING System layout The unit is equipped with a refrigerant INFORMATION leak detection system for safety. The following figure is an example and may NOT completely match your system layout To be effective, the unit MUST be electrically powered at all times after installation, except for maintenance. -
Page 12: Operating The System
6 Operation Special operation ranges are valid in case of using AHU. They can 2 Press the ON/OFF button on the user interface. be found in the installation/operation manual of the dedicated unit. Result: The operation lamp lights up and the system starts Latest information can be found in the technical engineering data. -
Page 13: To Use The Dry Program (Without Cool/Heat Changeover Remote Control Switch)
6 Operation 6.3.2 To use the dry program (WITHOUT cool/ ▪ Ceiling suspended units heat changeover remote control switch) ▪ Wall-mounted units To start 1 Press the operation mode selector button on the user interface For the following conditions, a micro computer controls the air flow several times and select (program dry operation). -
Page 14: To Designate The Master User Interface
7 Maintenance and service 6.5.2 To designate the master user interface After-sales service 1 Press the operation mode selector button of the current master 7.3.1 Recommended maintenance and user interface for 4 seconds. In case this procedure was not yet performed, the procedure can be executed on the first user inspection interface operated. -
Page 15: Error Codes: Overview
8 Troubleshooting Malfunction Measure Main code Contents If a refrigerant leak ▪ Actions will be taken by the system. Do Fan motor malfunction (indoor) occurs (error code NOT turn OFF the power supply. Swing flap motor malfunction (indoor) ▪ Notify your installer report... -
Page 16: Symptoms That Are Not System Malfunctions
8 Troubleshooting 8.2.3 Symptom: Fan operation is possible, but Main code Contents cooling and heating do not work Transmission outdoor unit - inverter: INV transmission trouble Immediately after the power is turned on. The micro computer is INV unbalanced power supply voltage getting ready to operate and is performing a communication check Fin thermistor malfunction with all indoor units. -
Page 17: Symptom: Noise Of Air Conditioners (Indoor Unit, Outdoor Unit)
9 Relocation ▪ A low "sah", "choro-choro" sound is heard while the indoor unit is 8.2.15 Symptom: The compressor in the outdoor unit stopped. When another indoor unit is in operation, this noise is does not stop after a short heating operation heard. -
Page 18: To Remove The Accessories From The Outdoor Unit
12 About the units and options WARNING 11.3 To remove the transportation stay The unit's center of gravity deviates to the right side NOTICE (compressor side). If you lift the unit using a crane and you do not fix a horizontal rope to the lifting hook as shown, the If the unit is operated with the transportation stay attached, unit might drop. -
Page 19: 13 Special Requirements For R32 Units
13 Special requirements for R32 units VRV direct expansion (DX) indoor unit For installation of the indoor unit, refer to the installation and VRV direct expansion (DX) indoor unit (direct connection operation manual delivered with the indoor unit. For compatibility of from outdoor to indoor) indoor units refer to the latest version of the technical data book of Remote controller in normal mode... -
Page 20: To Determine The Required Safety Measures
13 Special requirements for R32 units 13.3 To determine the required safety measures Step 1 – Determine the total amount of refrigerant in the system. Use the values on the unit nameplate to determine the total amount OTHER FLOORS of refrigerant in the system. Contains fluorinated greenhouse gases GWP: xxx GWP ×... -
Page 21: Overview: Flowchart
13 Special requirements for R32 units 13.3.1 Overview: flowchart Procedure to check required countermeasure for indoor unit Determine total amount of See Step 1 in above text refrigerant in the system. Total charge amount [kg] Determine the smallest area out of: - the room where an indoor unit is installed, - each of the rooms served by a ducted indoor unit installed in a different room... - Page 22 13 Special requirements for R32 units a remote controller is required in both installed and served Note: Incorrect use of remote controllers can result in occurrence of room. For details about the different remote controller modes error codes, non-operating system or system that is not compliant to and how to set up, please check the note below or refer to the applicable legislation.
-
Page 23: Natural Ventilation
13 Special requirements for R32 units Remote controller NOT compatible with R32 safety system Remote controller compatible with R32 safety system Remote controller in supervisor mode Supervisor room ≥ 20 mm NOT allowed Allowed 13.4.3 Natural ventilation Natural ventilation is a safety measure where ventilation is made to a place where sufficient air is available to dilute the leaked refrigerant ≥... -
Page 24: Shut-Off Valves
13 Special requirements for R32 units Area of installed/ Maximum total indoor unit capacity class 13.4.4 Shut-off valves conditioned room [m²] 1 indoor unit per 2~5 indoor units per branch pipe port branch pipe port In case shut-off valves are required as a safety measure, SV unit 40 m after 1 branch 90 m after 1... -
Page 25: Overview: Flowchart
13 Special requirements for R32 units Branch pipe port A~D Outdoor unit SV unit Indoor branch kit (refnet) Room Room 32/50/200 Indoor unit capacity Room 3 Room 2 Room 1a Room 1b 150 m² 42 m² 20 m² 40 m² 13.4.5 Overview: flowchart §13.4.1... -
Page 26: Combinations Of Safety Measures
–5°C for 5 days or longer, with relative humidity levels exceeding 95%, we recommend to apply a Daikin ▪ The outdoor unit is designed for outdoor installation only, and for range specifically designed for such application and/or to the following ambient temperatures: contact your dealer for further advice. -
Page 27: Opening And Closing The Unit
14 Unit installation 14.2 Opening and closing the unit INFORMATION The recommended height of the upper protruding part of the bolts is 20 mm. 14.2.1 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING 8 HP 10+12 HP NOTICE Fix the outdoor unit to the foundation bolts using nuts with resin washers (a). -
Page 28: To Prevent The Outdoor Unit From Falling Over
15 Piping installation 14.3.4 To prevent the outdoor unit from falling 15.1.3 Refrigerant piping insulation over ▪ Use polyethylene foam as insulation material: In case the unit is installed in places where strong wind can tilt the ▪ with a heat transfer rate between 0.041 and 0.052 W/mK (0.035 unit, take following measure: and 0.045 kcal/mh°C) 1 Prepare 2 cables as indicated in the following illustration (field... -
Page 29: To Select Refrigerant Branch Kits
15 Piping installation ▪ In case the required pipe sizes (inch sizes) are not available, it is B: Piping between refrigerant branch kit and SV also allowed to use other diameters (mm sizes), taken the units OR between two refrigerant branch kits OR following into account: between two SV units ▪... -
Page 30: Installation Limitations
15 Piping installation 15.1.6 Installation limitations 15.2 Connecting the refrigerant piping The illustration and table below show the installation limitations. 15.2.1 Using the stop valve and service port To handle the stop valve Take the following guidelines into account: ▪ The gas and liquid stop valves are factory closed. ▪... -
Page 31: To Remove The Pinched Pipes
15 Piping installation Tightening torques WARNING Stop valve Tightening torque [N•m] size [mm] Valve body Hexagonal Service port wrench Ø9.5 4 mm 10.7~14.7 NEVER remove the pinched piping by brazing. Ø12.7 8~10 Any gas or oil remaining inside the stop valve may blow off Ø15.9 14~16 6 mm... -
Page 32: To Connect The Refrigerant Piping To The Outdoor Unit
15 Piping installation 15.2.4 To connect the refrigerant piping to the NOTICE outdoor unit When brazing: First braze the liquid side piping, then the gas side piping. Enter the electrode from the front of the ▪ Piping length. Keep field piping as short as possible. unit and the welding torch from the right side to braze with the flames facing outside and avoid the compressor sound ▪... -
Page 33: To Connect The Refrigerant Branching Kit
15 Piping installation 15.2.5 To connect the refrigerant branching kit 15.3.2 To perform a leak test For installation of the refrigerant branching kit, refer to the installation The leak test must satisfy the specifications of EN378‑2. manual delivered with the kit. Vacuum leak test ▪... -
Page 34: To Check For Leaks After Charging Refrigerant
16 Charging refrigerant Ambient Humidity Minimum thickness NOTICE temperature Do not block the air vents. This could affect air circulation ≤30°C 75% to 80% RH 15 mm inside the unit. >30°C ≥80% RH 20 mm Between outdoor and indoor unit 1 Insulate and fix the refrigerant piping and cables as follows: 15.3.5 To check for leaks after charging refrigerant... -
Page 35: To Determine The Additional Refrigerant Amount
16 Charging refrigerant ▪ Parameter A: Individual SV unit charge factors NOTICE ▪ Ensure that contamination of different refrigerants does Model Parameter A not occur when using charging equipment. SV1A 0.4 kg ▪ Charging hoses or lines shall be as short as possible to SV4A 0.5 kg minimise the amount of refrigerant contained in them. -
Page 36: Error Codes When Charging Refrigerant
16 Charging refrigerant 11 Charge refrigerant until the remaining determined additional Then refrigerant amount is added, and then close valve A. Too much refrigerant is Recover refrigerant. charged 12 Press BS3 to stop the manual additional refrigerant charge Disconnect the manifold from the mode. -
Page 37: To Check Refrigerant Piping Joints For Leaks After Charging Refrigerant
17 Electrical installation 16.6 To check refrigerant piping joints 17.2 Specifications of standard wiring for leaks after charging refrigerant components Tightness test of field-made refrigerant joints indoors NOTICE 1 Use a leakage test method with a minimum sensitivity of 5 g of We recommend using solid (single-core) wires. -
Page 38: To Connect The Electrical Wiring To The Outdoor Unit
17 Electrical installation 2 Connect the transmission wiring as follows: Wire type Installation method 8 HP 10+12 HP Stranded conductor wire with round crimp- X1M (A1P) style terminal TO MULTI F1 F2 TO IN/D TO OUT/D UNIT a Terminal b Screw c Flat washer F1 F2 F1 F2... -
Page 39: To Connect The External Outputs
17 Electrical installation 8 HP 10-12 HP 10 Connect an earth leakage circuit breaker and fuse to the power supply line as specified in "17.2 Specifications of standard X1M (A1P) components" [ 4 37]. wiring 17.5 To connect the external outputs SVS and SVEO output The SVS and SVEO outputs are contacts on terminal X2M. -
Page 40: To Connect The Cool/Heat Selector Switch Option
18 Configuration Result: The compressor will heat up and evaporate any 17.6 To connect the cool/heat selector refrigerant in the compressor. switch option 3 Measure the insulation resistance again. In order to control the cooling or heating operation from a central location, following optional... -
Page 41: Field Setting Components
18 Configuration See also: Access Action 2" [ 4 41] ▪ "18.1.3 To access mode 1 or Mode 2 ▪ Push BS1 for at least five seconds. 1" [ 4 41] ▪ "18.1.4 To use mode 7‑segment display indication changes to: 2" [ 4 41] ▪ "18.1.5 To use mode settings" [ 4 41] ▪... -
Page 42: Mode 2: Field Settings
18 Configuration [1‑2] [2‑20] Description Shows the status of power consumption limitation operation. Manual additional refrigerant charge activated. [1‑2] Description To stop the manual additional refrigerant charge operation (when the required additional Unit is currently not operating under power refrigerant amount is charged), push BS3. If consumption limitations. -
Page 43: Indoor Unit Field Setting
Check that the fuses, circuit breakers, or the locally commissioning instructions in this chapter, a general installed protection devices are of the size and type commissioning checklist is also available on the Daikin Business Portal (authentication required). specified in the chapter "17.2 ... -
Page 44: Checklist During Commissioning
19 Commissioning Requirements for R32 equipment INFORMATION Make sure the system meets all requirements that are ▪ It may take 10 minutes to achieve a uniform refrigerant described in the following chapter: "2.1 Instructions for state before the compressor starts. refrigerant" [ 4 8]. -
Page 45: To Perform A Sv/Indoor Unit Connection Check
20 Hand-over to the user INFORMATION Code Description Refer to the installation manual of the indoor unit for Only a single port SV unit (SV1A) is used detailed malfunction codes related to indoor units. in the setup. Only a single port or a combined single port in the multi SV unit (SV4~8A) is used 19.6 To perform a SV/indoor unit... -
Page 46: Maintenance Safety Precautions
21 Maintenance and service NOTICE 21.2 Checklist for yearly maintenance of Applicable legislation on fluorinated greenhouse gases the outdoor unit requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent. Check the following at least once a year: Formula to calculate the quantity in CO equivalent ▪... -
Page 47: Unit Maintenance And Service Label
22 Troubleshooting 21.4 SV unit maintenance and service 22.1 Solving problems based on error label codes In case of a displayed malfunction code, perform correcting actions WARNING as explained in the malfunction code table. Never power off the unit for maintenance and service After correcting the abnormality, press BS3 to reset the malfunction before the shut-off valves are closed. - Page 48 22 Troubleshooting Main code Sub code Cause Solution SVEO R32 sensor malfunction in one of the indoor Check connection on PCB or actuator. units The system will continue operating, but the indoor unit in scope will stop operating. Refer to the service manual for more information.
- Page 49 22 Troubleshooting Main code Sub code Cause Solution SVEO Discharge temperature sensor malfunction Check connection on PCB or actuator. (R21T): open circuit – main PCB (X33A) Discharge temperature sensor malfunction Check connection on PCB or actuator. (R21T): short circuit - main PCB (X33A) Compressor casing temperature sensor Check connection on PCB or actuator.
-
Page 50: Refrigerant Leak Detection System
22 Troubleshooting Main code Sub code Cause Solution SVEO Connection malfunction over indoor units or type Check if other indoor units have a malfunction mismatch and confirm if indoor unit mix is allowed. Connection malfunction over indoor units or type Check if other indoor units have a malfunction mismatch and confirm if indoor unit mix is allowed. -
Page 51: Disposal
Technical data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of the latest technical data is available on the Daikin Business Portal (authentication required). 24.1 Service space: Outdoor unit When mounting units side by side, the piping route must be to the front or downwards. -
Page 52: Piping Diagram: Outdoor Unit
24 Technical data Legend: 24.2 Piping diagram: Outdoor unit Stop valve (gas) Stop valve (liquid) Piping diagram: 8 HP Filter (6×) Accumulator Subcool tube heat exchanger Pressure regulating valve Heat exchanger Service port Oil separator Capillary tube (2×) Charge port Heat sink Compressor M1F-M2F Fan motor... - Page 53 24 Technical data Green Orange White Yellow Legend for wiring diagram: Printed circuit board (main) Printed circuit board (noise filter) Printed circuit board (inverter) Printed circuit board (fan 1) Printed circuit board (fan 2) Printed circuit board (cool/heat selector) BS* (A1P) Push button switch DS* (A1P) DIP switch...
- Page 56 4P752781-1 B 00000001 4P752781-1B 2024.02...