Daikin VRV IV-S Installer And User Manual
System air conditioner
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Also See for VRV IV-S:
- Installer and user manual (56 pages) ,
- Installation and reference manual (52 pages) ,
- Installation and operation manual (36 pages)
Related Manuals for Daikin VRV IV-S
Summary of Contents for Daikin VRV IV-S
- Page 1 Installer and user reference guide VRV IV-S system air conditioner RXYSQ8TMY1B Installer and user reference guide RXYSQ10TMY1B English VRV IV-S system air conditioner RXYSQ12TMY1B...
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Page 2: Table Of Contents
To provide drainage ............ 17 10.4 About service mode operation............ 42 6.3.6 To prevent the outdoor unit from falling over ....17 10.4.1 To use vacuum mode ..........42 Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 3: General Safety Precautions
Symptom: The fan strength does not correspond to INFORMATION the setting ..............68 20.2.4 Symptom: The fan direction does not correspond to Indicates useful tips or additional information. the setting ..............68 RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 4: For The User
▪ If you are not sure how to operate the unit, contact your installer. comply with applicable legislation (on top of the ▪ This appliance can be used by children aged from 8 years and instructions described in the Daikin documentation). above and persons with reduced physical, sensory or mental CAUTION... -
Page 5: Refrigerant
▪ Only use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 6: Electrical
▪ Format: Paper (in the box of the outdoor unit) ▪ Outdoor unit installation and operation manual: ▪ Installation and operation instructions ▪ Format: Paper (in the box of the outdoor unit) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 7: For The Installer
Latest revisions of the supplied documentation may be available on the regional Daikin website or via your dealer. ▪ Detailed step-by-step instructions and background information for basic and advanced usage The original documentation is written in English. All other languages are translations. -
Page 8: To Remove The Accessories From The Outdoor Unit
Power supply 2 Remove the transportation stay (b) as shown in the figure European market below. Minor model change indication 3 Tighten the fixing nut (a) again. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 9: About The Outdoor Unit
Preparation engineering data for VRV IV-S heat pump. The VRV IV-S heat pump system can be combined with several types of indoor units and is intended for R410A use only. Overview: Preparation... -
Page 10: Installation Site Requirements Of The Outdoor Unit
(especially in Turn the air outlet side towards the building's wall, fence or screen. areas where children play). Do NOT install the unit in the following places: Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 11: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
–5°C for 5 days or longer, with relative humidity of the outdoor unit in cold climates levels exceeding 95%, we recommend to apply a Daikin range specifically designed for such application and/or to Protect the outdoor unit against direct snowfall and take care that the contact your dealer for further advice. -
Page 12: Preparing Refrigerant Piping
(see "PS High" on the unit which are each equivalent in size to 0.15% or more of name plate), larger piping thickness might be required. the floor area.) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 13: To Select The Piping Size
More specifications can be found in the technical engineering data book. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 14: To Select Refrigerant Branch Kits
Indoor unit capacity index<60 2~15 m 2~15 m 2~15 m BP-indoor Indoor unit capacity index=60 2~12 m 2~12 m 2~12 m ▪ Example 2, unit 18: Min.≤m≤Max. Indoor unit capacity index=71 2~8 m 2~8 m 2~8 m Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 15: Preparing Electrical Wiring
S greater than or equal to the RXYSQ8 18.5 A 25 A minimum S value. RXYSQ10 22 A 25 A RXYSQ12 24 A 32 A RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 16: Installation
Do NOT leave the unit unattended when the service cover is removed. 6.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 17: To Install The Outdoor Unit
▪ Avoid drain water flowing over the footpath, so that it does not become slippery in case of ambient freezing temperatures. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 18: Connecting The Refrigerant Piping
▪ Use caution when passing copper tubes through walls. ▪ The figure below shows the name of each part required in handling the stop valve. ▪ The stop valve is factory closed. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 19: To Remove The Pinched Pipes
Stop valve Field piping connection Closing direction: Stop valve cover 2 Connect the vacuuming/recovery unit through a manifold to the service port of all stop valves. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 20: To Connect The Refrigerant Piping To The Outdoor Unit
▪ Remove the service cover. See "6.2.2 To open the outdoor the required length (d1). unit" on page 16. ▪ Remove the piping intake plate (a) with screw (b). Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 21: To Connect The Refrigerant Branching Kit
Make sure that all indoor units connected to the outdoor unit are powered on. NOTICE Wait until the outdoor unit has finished the initialisation to apply setting [2‑21]. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 22: Checking Refrigerant Piping: General Guidelines
Open and repeat steps 1 to 3 until all moisture has been removed. Valve C Open Liquid line stop valve Close Gas line stop valve Close Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 23: To Insulate The Refrigerant Piping
Filling in the fluorinated greenhouse gases label, and fixing it to refrigerant amount. the inside of the outdoor unit. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 24: To Determine The Additional Refrigerant Amount
Gas line stop valve charge mode. For details, see "7.2.8 Mode 2: Field settings" on Valve A Valve B page 33. Valve C Result: The unit will start operation. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 25: Error Codes When Charging Refrigerant
Factory refrigerant charge: see unit name plate Additional refrigerant amount charged Total refrigerant charge Greenhouse gas emissions of the total refrigerant charge expressed as tonnes CO -equivalent RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 26: Precautions When Connecting Electrical Wiring
All field wiring and components must be installed by a thermistor, sensor, etc., the compressor may break down.) licensed electrician and must comply with the applicable legislation. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 27: Guidelines When Knocking Out Knockout Holes
Curled single core wire b Screw c Flat washer F1 F2 F1 F2 F1 F2 Use the conductor of sheathed wire (2 wire) (no polarity) Terminal board (field supply) RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 28: Finishing The Outdoor Unit Installation
To finish the transmission wiring After installing the transmission wires inside the unit, wrap them along with the on-site refrigerant pipes using finishing tape, as shown in figure below. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 29: To Close The Outdoor Unit
7 Configuration PC configurator For VRV IV-S heat pump system it is alternatively possible to make several commissioning field settings through a personal computer interface (for this, option EKPCCAB is required). The installer can prepare the configuration (off-site) on PC and afterwards upload the configuration to the system. -
Page 30: To Access Mode 1 Or 2
Be sure to turn on the power 6 hours before operation in showing the default situation. order to have power running to the crankcase heater and (H1P OFF) to protect the compressor. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 31: To Use Mode 2
You can change the value of setting [2‑8] (= T target temperature during cooling operation) to 4 (= 8°C) as follows: You can read out the following information: RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 32 (F1/F2 communication line). consumption limitation. ▪ The second method is to enable power consumption limitation based on an external input. For this operation an optional accessory is required. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 33: Mode 2: Field Settings
This setting will only be effective when the optional external control adaptor (DTA104A61/62) is installed in the indoor unit. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 34 (= binary 4) [2‑27] 6h00 7h00 Low noise operation stop time. 3 (default) 8h00 This setting is used in conjunction with setting [2‑22]. (= binary 4) (default) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03...
- Page 35 [2‑82] (in case of 1 (default) Mild (= binary [2‑43]) (in case of (default) Heating comfort setting. Quick Powerful This setting is used in conjunction with setting [2‑9]. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 36: To Connect The Pc Configurator To The Outdoor Unit
(e.g., 35°C). Using this idea, the system automatically starts increasing its refrigerant temperature, automatically reducing the delivered capacity and increasing the system's efficiency. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 37: Available Comfort Settings
Overshoot (during heating operation) or undershoot (during cooling operation) is allowed compared to the requested refrigerant temperature, in order to achieve the required room temperature very RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 38: Example: Automatic Mode During Cooling
Mild Room temperature evolution: Indoor unit set temperature Operation start Operating time Indoor unit set temperature Mild Operation start Quick Operating time Powerful Mild Quick Powerful Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 39: Commissioning
EN60335‑2‑40 and keep record of the contents of the field Installation setting(s). Check that the unit is properly installed, to avoid abnormal noises and vibrations when starting up the unit. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 40: Checklist During Commissioning
Cooling stable condition display. Communication check Completion Description Stop valve check Normal No indication on the 7‑segment display (idle). Pipe length check completion Pump down operation Unit stop Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 41: Correcting After Abnormal Completion Of The Test Run
Junction connectors X1A, X2A for M1F X3A, X4A for M2F RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 42: Checklist For Yearly Maintenance Of The Outdoor Unit
▪ Main code: NOTICE Make sure to NOT recover any oil while recovering ▪ Sub code: refrigerant. Example: By using an oil separator. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 43: Error Codes: Overview
Connect interconnections F1 and F2 of the connected BP unit correctly to the outdoor unit's PCB (TO BP UNIT). Make sure that the communication with the BP unit is enabled. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 44: Troubleshooting
Check connection on PCB or actuator. circuit - A1P (X32A) High pressure sensor malfunction (S1NPH): short Check connection on PCB or actuator. circuit - A1P (X32A) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 45: 12 Disposal
Stop valve closed or wrong (during system test Open stop valves. run) Disposal Dismantling of the unit, and treatment of the refrigerant, oil and other parts must comply with the applicable legislation. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 46: Overview: Technical Data
Refrigerant piping intake Power supply wiring intake (knockout hole Ø34) Transmission wiring intake (knockout hole Ø27) Drain pipe connection (OD Ø26) Anchor point (bolt 4× M12) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 47 Refrigerant piping intake Transmission wiring intake (knockout hole Ø27) Power supply wiring intake (knockout hole Ø53) Drain pipe connection (OD Ø26) Anchor point (bolt 4× M12) RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 48: Service Space: Outdoor Unit
Seal the bottom of the installation frame to prevent discharged air from flowing back to the suction side through the bottom of the unit. Maximum two units can be installed. Not allowed Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 49 (B2) Then it is not required to install a roof, but seal the gap between the upper and lower units to prevent discharged air from flowing back to the suction side through the bottom of the unit. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 50: Components: Outdoor Unit
Subcool heat exchanger Accumulator Printed circuit board (main) Motor (compressor) M1F-M2F Motor (upper and lower fan) S1PH High pressure switch Terminal strip (power supply wiring) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 51 Cable tie mountings (to fix the field wiring with cable ties to ensure stress relief) Switch box cooling Accumulator Printed circuit board (main) Motor (compressor) M1F-M2F Motor (upper and lower fan) S1PH High pressure switch RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 52: Piping Diagram: Outdoor Unit
Electronic expansion valve (subcool heat exchanger) Service port (refrigerant charge) Solenoid valve Compressor Solenoid valve (4‑way valve) M1F-M2F Fan motor Heating Thermistor (air) Cooling Thermistor (suction 1) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 53 S1NPL Low pressure sensor S1PH High pressure switch Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve (4‑way valve) Solenoid valve Heating Cooling RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 54: Wiring Diagram: Outdoor Unit
Fuse (T 3.15 A / 250 V) (A1P) Movable connector F101U Fuse (5 A, DC650 V) (A4P) (A5P) Protective earth (screw) F400U Fuse (T 6.3 A / 250 V) (A2P) Noiseless earth Terminal Colours: Black Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 55 Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve Solenoid valve (4‑way valve) Z1C~Z8C Noise filter (ferrite core) Noise filter (with surge absorber) RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
- Page 56 DS1, DS2 DIP switch (A1P) Protective earth (screw) E1HC Crankcase heater Noiseless earth F1U, F2U Fuse (T 3.15 A / 250 V) (A1P) Terminal F101U Fuse (A4P) (A5P) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03...
- Page 57 Electronic expansion valve (main) Electronic expansion valve (subcool heat exchanger) Solenoid valve (4‑way valve) Solenoid valve Z1C~Z4C Noise filter (ferrite core) Noise filter (with surge absorber) (A2P) RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03...
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Page 58: Technical Specifications: Outdoor Unit
▪ Model Direct drive ▪ Output/pcs 200 W Compressor ▪ Quantity ▪ Model Inverter ▪ Type Hermetically sealed scroll compressor ▪ Crankcase heater 33 W Sound level (nominal) Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 59 RLA is based on indoor unit temperature 27°C DB and 19°C WB, outdoor temperature 35°C DB. MSC=the maximum current during startup of the compressor. VRV IV-S uses only inverter compressors. MCA must be used to select the correct field wiring size. The MCA can be regarded as the maximum running current.
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Page 60: Capacity Table: Indoor Unit
(VRV DX) NOTICE When selecting the total capacity higher than mentioned in above table, cooling and heating capacity will drop. For additional information see technical engineering data. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 61: System Layout
For the user About the system User interface The indoor unit part of VRV IV-S heat pump system can be used for CAUTION heating/cooling applications. The type of indoor unit which can be Never touch the internal parts of the controller. -
Page 62: Operating The System
Above operation range is only valid in case direct expansion indoor fire in places exposed to the air flow from the unit or units are connected to the VRV IV-S system. under the unit. Special operation ranges are valid in case of using AHU. They can ▪... -
Page 63: Adjusting The Air Flow Direction
17.5.2 To designate the master user interface (VRV DX) In case only VRV DX indoor units are connected to the VRV IV-S For the following conditions, a micro computer controls the air flow system: direction which may be different from the display. -
Page 64: Available Main Operation Methods
E.g., when your system is operating in cooling, you do not need as much cooling under low outdoor ambient temperatures (e.g., 25°C) as under high outdoor ambient temperatures (e.g., 35°C). Using this Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 65: Maintenance After A Long Stop Period
▪ Normal use without frequent starting and stopping of the unit. Depending on the model, we recommend not starting and stopping the machine more than 6 times/hour. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 66: Shortened Maintenance And Replacement Cycles
Troubleshooting ▪ Check if the air flow angle is proper. If one of the following malfunctions occur, take the measures shown below and contact your dealer. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 67: Error Codes: Overview
Please wait 12 minutes (max.) till this process is Liquid temperature sensor (coil) malfunction (outdoor) finished. RXYSQ8~12TMY1B Installer and user reference guide VRV IV-S system air conditioner 4P404225-1B – 2016.03... -
Page 68: Symptom: The Fan Strength Does Not Correspond To The Setting
When another indoor unit is in operation, this noise is heard. In order to prevent oil and refrigerant from remaining in the system, a small amount of refrigerant is kept flowing. Installer and user reference guide RXYSQ8~12TMY1B VRV IV-S system air conditioner 4P404225-1B – 2016.03... - Page 69 Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment not made by Daikin that can be combined with product according instructions accompanying documentation.
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