Daikin VRV 5 Installation And Operation Manual
Safety valve unit
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Also See for VRV 5:
- User reference and installation manual (128 pages) ,
- User reference manual (176 pages)
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Summary of Contents for Daikin VRV 5
- Page 1 Installation and operation manual VRV 5 safety valve unit SV1A25AJV1B SV4A14AJV1B Installation and operation manual SV6A14AJV1B English VRV 5 safety valve unit SV8A14AJV1B...
- Page 2 Lowest underground floor All other floors No safety measure No safety measure Ventilated enclosure Ventilated enclosure External 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 External alarm OR...
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Page 3: Table Of Contents
23 Glossary 13.3.2 To open the unit ............25 13.3.3 To close the unit............25 13.4 Mounting the unit............... 25 13.4.1 To mount the unit ............25 SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 4: About This Document
If the metal duct passes through a metal lath, wire lath or Daikin website (publicly accessible). metal plate of the wooden structure, separate the duct and ▪ The full set of the latest technical data is available on the Daikin wall electrically. Business Portal (authentication required). - Page 5 When performing the test operation, NOT ONLY the outdoor unit, but the connected indoor unit will operate as well. Working on an indoor unit while performing a test operation is dangerous. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 6: Instructions For Equipment Using R32 Refrigerant
4 13]. requirements for R32 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed ONLY by authorised persons. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 –... -
Page 7: For The User
Contact your dealer. ▪ Do NOT sit, climb or stand on the unit. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... - Page 8 ▪ Do NOT use the unit until a service break down or cause a fire. person confirms that the part from which the refrigerant leaked has been repaired. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 9: About The System
WARNING Make sure installation, servicing, maintenance, repair and applied materials follow the instructions from Daikin (including all documents listed in “Documentation set”) and, in addition, comply with applicable legislation and are performed by qualified persons SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 –... -
Page 10: System Layout
"CH-23" after the end of the sensor lifetime. For more information, see the reference guide of the user interface and contact your dealer. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 11: Troubleshooting
Contact your installer. State the symptoms, the complete model name of the unit (with manufacturing number if possible) and the installation date (possibly listed on the warranty card). SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 12: For The Installer
VRV direct expansion (DX) indoor unit Insulation tube for stopper pipe Ø15.9 mm (4× for SV4A, VRV direct expansion (DX) indoor unit (direct connection 2× for SV1A and SV6~8A) from outdoor to indoor) Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 13: Combining Units And Options
12.2 System layout requirements 11.4.1 Possible options for the SV unit The VRV 5 heat pump uses R32 refrigerant, which is rated as A2L and is mildly flammable. INFORMATION To comply with the requirements of enhanced tightness refrigerating All possible options are mentioned in the option list below. -
Page 14: To Determine The Required Safety Measures
External alarm OR Natural ventilation (=External alarm OR Natural ventilation) Ventilated enclosure (=Ventilated enclosure) Ventilated enclosure OR External alarm + natural ventilation (=Ventilated enclosure OR External alarm + natural ventilation) Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 15: Overview: Flowchart
External alarm + Natural ventilation Natural ventilation Note: The flowchart is an overview. Always refer to the full text mentioned in this manual for clear understanding and detailed explanation. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 16: Safety Measures
[2-0] Cluster indication 0 (default): disable walk through. [2-4] Safety measures 1 (default): enable [2-7] Ventilated enclosure 0: disable Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 17: Ventilated Enclosure
(23.6 kg), which means that the safety measure can be cannot act as an ignition source during normal applied. operation. This requirement is met if the fan motor has an IP4X rating or better. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... - Page 18 SV unit 38.3 manufacturer. Duct “ Use the airflow rate and the sum of the pressure drops to select a Bend “ suitable fan. Duct “ Bend “ Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09...
- Page 19 "15.6 To connect the external cluster) of each outdoor unit system. is not allowed to have SV units in the same series cluster that belong to different outdoor unit systems. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09...
- Page 20 Before SV unit operation, it is required to perform a test run that run" [ 4 41] for simulates a refrigerant leak. See "17.2 SV unit test more details. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 21: Overview: Flowchart
Installation SV unit(s) is completed Note: The flowchart is an overview. Always refer to the full text mentioned in this manual for clear understanding and detailed explanation. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 22: Combinations Of Ventilated Enclosure Configurations
Before SV unit operation, it is required to perform a test run that run" [ 4 41] for simulates a refrigerant leak. See "17.2 SV unit test more details. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 23: 13 Unit Installation
It is NOT recommended to install the unit in the following places because it may shorten the life of the unit: ▪ In places where voltage fluctuates a lot. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 24: Possible Configurations
▪ For new ceilings, use sunken inserts, sunken anchors or other field supplied parts. ▪ Ceiling openings. Respect the following sizes and positions for the ceiling openings: B’ 450×450 [mm] Ceiling opening size: 800 mm (SV1~4A) 1200 mm (SV6~8A) Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 25: Opening And Closing The Unit
2 washers. 3× Nut (field supply) Washer (field supply) Hanger bracket Double nut (field supply) Ceiling slab Anchor bolt Long nut or turnbuckle SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 26: To Connect The Drain Piping
3 Tighten the metal clamp and bend the tip of the metal clamp so that the large, self-adhesive sealing pad (accessory) will not be Drain piping (field supply) forced outwards when applied. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 27: To Install The Drain Piping
3 Insulate the ducting with field supply thermal insulation and with the accessory sealing material (against condensation drops). 2 Install the duct closing plate (accessory) using the same 4 screws. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 28: To Switch The Air In- And Outlet Side
▪ Carefully guide the wires from the inside to the outside through the small hole in the unit's metal plate. Take care not to damage the connector and the earth wire connection. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... - Page 29 ▪ Position the wire fixing plate over the screws and slide it in place. Make sure the backside is aligned properly with the insulation of the switch box, in order to make it airtight. ▪ Tighten the two screws. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 30: 14 Piping Installation
3 Close the SV unit. See "13.3.3 To close the Piping installation CAUTION instructions" [ 4 4] to make "2 Specific installer safety sure this installation complies with all safety regulations. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 31: Installation Limitations
Maximum number of ports of SV units in Ambient Humidity Minimum thickness refrigerant flow-through (c) temperature Maximum number of indoor units connected to ≤30°C 75% to 80% RH 15 mm SV units in refrigerant flow-through (c) SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 32: Connecting The Refrigerant Piping
Always use tape (field supply) to prevent air gaps in the seam between the insulation tubes. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 33: 15 Electrical Installation
"Guidelines when connecting the electrical wiring" in the installer reference guide. Field wiring consists of: ▪ power supply wiring (including earth), ▪ DIII interconnection wiring between units. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 34: Connecting The Electrical Wiring
SV unit are connected to the terminals F1/F2 (Outdoor unit) Allowed on terminal block X2M on the (n+1) SV unit. NOT allowed For earth connections, use the following method: Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... - Page 35 Indoor unit A connected to the branch pipe A of SV unit 1 lower the switch box. and SV unit 2 respectively B1/B2 Indoor units B1 and B2 connected to the same branch pipe B of SV unit 1 SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 36: To Finish The Electrical Wiring
R32 sensor in the SV unit. The FAN output must be used when a ventilated enclosure is required (see "12.3 To determine required safety measures" [ 4 14]). Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 37: Configuration
Relay value is possible. External alarm power supply External alarm In general, normal operation can be resumed without special intervention after changing field settings. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 38: To Access The Field Setting Components
Turn ON the power 6 hours before operation in order to situation (normal operation). have power running to the crankcase heater and to protect the compressor. 2 Push BS1 one time. Result: Mode 1 is accessed: Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 39: To Use Mode 2
Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit. 8 Push BS1 one time to quit mode 2. [2-4] Setting to enable or disable all SV unit safety measures. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... - Page 40 Address for supervisor remote controller Main PCB Address value (e) HEX format) SV8A Set ONLY on the LEFTMOST main PCB (A1P) of the SV unit. SV6A SV4A Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09...
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Page 41: Mode 2: Default Field Settings
17.2.1 About the SV unit test run commissioning checklist is also available on the Daikin Business Portal (authentication required). The SV unit test run has to be performed on all SV units in the system, before the test run of the outdoor unit. -
Page 42: About Airflow Requirements
When a ventilated enclosure is required, the following requirements apply: ▪ pressure inside the SV unit has to be more than 20 Pa below the ambient pressure, ▪ minimum airflow rate: Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 43: To Perform A Sv Unit Test Run
Check if all field settings are made correctly. When in parallel or series configuration, the field settings of all SV units in a cluster need to be made correctly. SV1A25AJV1B+SV4~8A14AJV1B Installation and operation manual VRV 5 safety valve unit 4P709466-1 – 2023.09... -
Page 44: 18 Hand-Over To The User
Before starting the maintenance and service, field setting must be their values to a value other than the factory default applied on the VRV 5 heat pump outdoor unit. For more information, setting. If you are unable to find the cause of the see the installation and operation manual of the outdoor unit. -
Page 45: Disposal
▪ A subset of the latest technical data is available on the regional HIGH VOLTAGE High voltage Daikin website (publicly accessible). Intelligent eye sensor ▪ The full set of the latest technical data is available on the Daikin IPM* Intelligent power module Business Portal (authentication required). Contact... -
Page 46: 23 Glossary
Model DS1, DS2 factory settings Field supply SV1A Equipment NOT made by Daikin that can be combined with product according instructions accompanying documentation. Installation and operation manual SV1A25AJV1B+SV4~8A14AJV1B VRV 5 safety valve unit 4P709466-1 –... - Page 48 4P709466-1 0000000U 4P709466-1 2023.09 Verantwortung für Energie und Umwelt...
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