Related Manuals for Daikin RXYSQ4T7V1B
Summary of Contents for Daikin RXYSQ4T7V1B
- Page 1 Installer and user reference guide VRV IV-S system air conditioner RXYSQ4T7V1B RXYSQ5T7V1B RXYSQ6T7V1B RXYSQ4T7Y1B Installer and user reference guide RXYSQ5T7Y1B English VRV IV-S system air conditioner RXYSQ6T7Y1B...
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Page 2: Table Of Contents
Table of Contents 6.4.1 About connecting the refrigerant piping ....... 17 Table of Contents 6.4.2 Precautions when connecting the refrigerant piping ..17 6.4.3 Guidelines when connecting the refrigerant piping ..18 6.4.4 Pipe bending guidelines..........18 6.4.5 To flare the pipe end ............ 18 1 General safety precautions 6.4.6 To braze the pipe end .......... -
Page 3: General Safety Precautions
1 General safety precautions 11 Troubleshooting 20.2.3 Symptom: Fan operation is possible, but cooling and heating do not work............61 11.1 Overview: Troubleshooting............38 20.2.4 Symptom: The fan strength does not correspond to 11.2 Precautions when troubleshooting ..........39 the setting ..............61 11.3 Solving problems based on error codes........ -
Page 4: For The User
(on top of the ▪ If you are not sure how to operate the unit, contact your installer. instructions described in the Daikin documentation). ▪ This appliance can be used by children aged from 8 years and... -
Page 5: Refrigerant
1 General safety precautions ▪ Make sure the area is well ventilated. Do NOT block any ▪ In case re-charge is required, refer to the nameplate of the unit. It ventilation openings. states the type of refrigerant and necessary amount. ▪... -
Page 6: Electrical
2 About the documentation NOTICE NOTICE Make sure water quality complies with EU directive Precautions when laying power wiring: 98/83 EC. ▪ Do not connect wiring of different thicknesses to the power terminal block (slack in the power wiring may 1.3.6 Electrical cause abnormal heat). -
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
4 About the units and options 4.2.1 Identification label: Outdoor unit Location Model identification Example: R X Y S Q 6 T7 Y1 B [*] 3.2.3 To remove the accessories from the Code Explanation outdoor unit Outdoor air cooled 1 Remove the service cover. See "6.2.2 ... -
Page 9: Combining Units And Options
5 Preparation VRV direct expansion (DX) indoor unit Description RXYSQ4~6_V1 RXYSQ4~6_Y1 User interface (dedicated depending on indoor unit type) Cool/heat selector KRC19-26A KRC19-26A BP box (required to connect Residential Air (RA) or Sky Air (SA) direct expansion (DX) indoor units) switch Residential Air (RA) direct expansion (DX) indoor units Cool/heat selector... - Page 10 5 Preparation NOTICE Install the outdoor unit away from direct sea winds. The equipment described in this manual may cause Example: Behind the building. electronic noise generated from radio-frequency energy. The equipment complies to specifications that are designed to provide reasonable protection against such interference.
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Page 11: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
If the unit is selected to operate at ambient temperatures lower than –5°C for 5 days or longer, with relative humidity levels exceeding 95%, we recommend to apply a Daikin range specifically designed for such application and/or to contact your dealer for further advice. -
Page 12: Preparing Refrigerant Piping
5 Preparation 3 Calculate the refrigerant density using the results of the calculations in steps 1 and 2 above. If the result of the above calculation exceeds the maximum concentration level, a ventilation opening to the adjacent room shall be made. Formula F/G≤H Total volume of refrigerant in the refrigerant... -
Page 13: To Select The Piping Size
5 Preparation 5.3.3 To select the piping size Outdoor unit Piping outer diameter size (mm) capacity type (HP) Gas pipe Liquid pipe Determine the proper size referring to following tables and reference Standard Size-up figure (only for indication). 15.9 19.1 INFORMATION 19.1 22.1... -
Page 14: Refrigerant Piping Length And Height Difference
5 Preparation Refnet joints at other branches Refnet headers For refnet joints other than the first branch, select the proper branch Concerning refnet headers, choose from the following table in kit model based on the total capacity index of all indoor units accordance with the total capacity of all the indoor units connected connected after the refrigerant branch. -
Page 15: Preparing Electrical Wiring
6 Installation Example 1 (VRV DX indoor units) Example 2 (RA DX indoor units) Example 1.1 Example 1.2 Example 1.3 Refnet joint Refnet header BP box VRV DX indoor units 11~18 RA DX indoor units If the total transmission wiring exceeds these limits, it may Preparing electrical wiring result in communication error. -
Page 16: To Open The Outdoor Unit
6 Installation DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed. 6.2.2 To open the outdoor unit 4× M12 DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING (mm) Make sure not to cover the drain holes. INFORMATION The recommended height of the upper protruding part of the bolts is 20 mm. -
Page 17: To Prevent The Outdoor Unit From Falling Over
6 Installation Typical workflow ▪ If you install the unit on a frame, install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent the Connecting the refrigerant piping involves: invasion of water in the unit and to avoid the drain water dripping ▪... -
Page 18: Guidelines When Connecting The Refrigerant Piping
6 Installation 6.4.3 Guidelines when connecting the Conventional flare tool refrigerant piping Flare tool for Clutch type Wing nut type R410A (clutch (Ridgid-type) (Imperial-type) Take the following guidelines into account when connecting pipes: type) ▪ Coat the flare inner surface with ether oil or ester oil when 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm... -
Page 19: To Connect The Refrigerant Piping To The Outdoor Unit
6 Installation To handle the service port Service port and service port cover ▪ Always use a charge hose equipped with a valve depressor pin, Stop valve since the service port is a Schrader type valve. Field piping connection Stop valve cover ▪... -
Page 20: To Connect The Refrigerant Branching Kit
6 Installation 4 Do the following: WARNING ▪ Connect the liquid pipe (a) to the liquid stop valve. Provide adequate measures to prevent that the unit can be ▪ Connect the gas pipe (b) to the gas stop valve. used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire. -
Page 21: Checking Refrigerant Piping: General Guidelines
6 Installation Therefore, there will be explained 2 methods for initial installation, 6.5.3 Checking refrigerant piping: Setup leak test and vacuum drying. p < p > Method 1: Before power ON If the system has not yet been powered on, no special action is required to perform the leak test and the vacuum drying. -
Page 22: To Perform Vacuum Drying
6 Installation 6.5.5 To perform vacuum drying NOTICE The connections to the indoor units and all indoor units should also be leak and vacuum tested. Keep, if existing, all (field supplied) field valves to the indoor units open as well. Leak test and vacuum drying should be done before the Insulation material power supply is set to the unit. -
Page 23: To Determine The Additional Refrigerant Amount
6 Installation Pre-charging refrigerant NOTICE Pre-charging can be done without compressor operation, by Before starting charging procedures, check if the 7‑LEDs connecting the refrigerant bottle to the service port of the liquid stop display is as normal (see "7.2.4 To access mode 1 or 2" on valve. -
Page 24: Error Codes When Charging Refrigerant
6 Installation p < p > NOTICE After adding the refrigerant, do not forget to close the lid of the refrigerant charging port. The tightening torque for the lid is 11.5 to 13.9 N•m. R410A 6.7.5 Error codes when charging refrigerant INFORMATION If a malfunction occurs, the error code is displayed on the user interface of the indoor unit. -
Page 25: Precautions When Connecting Electrical Wiring
6 Installation 220-240 V 380-415 V 220-240 V 1~ 50 Hz 3N~ 50 Hz 1~ 50 Hz F1/F2 (16 V) F1/F2 (16 V) Main switch Earth connection Power supply wiring (including earth) (sheathed cable) F1/F2 Transmission wiring (sheathed cable) Outdoor unit (RXYSQ4~6_V1) Outdoor unit (RXYSQ4~6_Y1) Outdoor unit Indoor unit... -
Page 26: Guidelines When Knocking Out Knockout Holes
6 Installation ▪ If stranded conductor wires are being used, install a round crimp- WARNING style terminal on the tip. Place the round crimp-style terminal on ▪ After finishing the electrical work, confirm that each the wire up to the covered part and fasten the terminal with the electrical component and terminal inside the electrical appropriate tool. - Page 27 6 Installation TO IN/D TO OUT/D F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 Use the conductor of sheathed wire (2 wire) (no polarity) Terminal board (field supply) WARNING You must use shielded wire and connect the earth to the transmission terminal (X2M).
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Page 28: Finishing The Outdoor Unit Installation
7 Configuration Connecting to the When cables are routed from the unit, a frame protection sleeve for the conduits (PG insertions) can be inserted at the knockout hole. When you do not use a wire conduit, protect the wires with vinyl tubes to prevent the edge of the knockout hole from cutting the wires. -
Page 29: To Access The Field Setting Components
7 Configuration RESET: For resetting the address when the wiring is Mode Description changed or when an additional indoor unit is installed Mode 2 Mode 2 is used to change the field settings of 7‑LEDs display the system. Consulting the current field setting (field settings) value and changing the current field setting The display gives feedback about the field settings, which are... -
Page 30: To Use Mode 1
7 Configuration Action Button/display Start from the default situation. BS1 [5 s] Select mode 2. BS2 [X×] Default situation (H1P OFF) Select setting 8. Mode 1 (H1P flashing) ("X×" depends on the setting Mode 2 (H1P ON) Press BS1. that you want to select.) BS1 [5 s] Press BS1 for at least 5 s. -
Page 31: Mode 2: Field Settings
7 Configuration Value / Description Setting Value / Description Shows the status of power consumption limitation operation. [1‑5] It can be convenient to check if the total number of indoor units Shows the total number of Unit is currently not operating under power which are installed match the connected indoor units. - Page 32 7 Configuration Setting Value Description (= binary) [2‑20] Deactivated. Manual additional refrigerant charge. (default) Activated. In order to add the additional refrigerant charge amount in a manual way (without automatic refrigerant charging functionality), To stop the manual additional refrigerant following setting should be applied. charge operation (when the required additional refrigerant amount is charged), push BS3.
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Page 33: To Connect The Pc Configurator To The Outdoor Unit
7 Configuration Setting Value Description (= binary) [2‑32] Function not active. Forced, all time, power consumption limitation operation (no (default) external control adaptor is required to perform power consumption Follows [2‑30] setting. limitation). Follows [2‑31] setting. If the system always needs to be running under power consumption limitation conditions, this setting activates and defines the level power consumption limitation that will be applied continuously. -
Page 34: Available Comfort Settings
7 Configuration Quick To activate this in… Change… Overshoot (during heating operation) or undershoot (during cooling Cooling operation [2‑8]=3 (default) operation) is allowed compared to the requested refrigerant Heating operation [2‑9]=1 (default) temperature, in order to achieve the required room temperature very fast. -
Page 35: Example: Automatic Mode During Cooling
7 Configuration 7.3.3 Example: Automatic mode during cooling 7.3.4 Example: Automatic mode during heating 100% 100% 49°C 46°C 6°C 3°C 35°C Actual load curve 2°C Virtual load curve (initial capacity automatic mode) Virtual target value (initial evaporation temperature value Virtual load curve (default automatic mode peak capacity) automatic mode) Load curve Required evaporation temperature value... -
Page 36: Commissioning
8 Commissioning Field wiring Commissioning Be sure that the field wiring has been carried out according to the instructions described in the chapter Overview: Commissioning "6.8 Connecting the electrical wiring" on page according to the wiring diagrams and according to the After installation and once the field settings are defined, the installer applicable legislation. -
Page 37: Checklist During Commissioning
9 Hand-over to the user 4 Check the test operation results on the outdoor unit 7‑LEDs Checklist during commissioning display. To perform a test run. Completion Description Normal completion 8.4.1 About test run Abnormal The procedure below describes the test operation of the complete completion Refer to "8.4.3 Correcting after abnormal... -
Page 38: Overview: Maintenance And Service
11 Troubleshooting For details refer to the wiring diagram labelled on the back of the NOTICE service cover. In Europe, the greenhouse gas emissions of the total Pay attention to the fan. It is dangerous to inspect the unit while the refrigerant charge in the system (expressed as tonnes fan is running. - Page 39 11 Troubleshooting WARNING 11.2 Precautions when troubleshooting Prevent hazard due to the inadvertent resetting of the WARNING thermal cut-out: this appliance must NOT be supplied through an external switching device, such as a timer, or ▪ When carrying out an inspection on the switch box of connected to a circuit that is regularly turned ON and OFF the unit, always make sure that the unit is disconnected by the utility.
- Page 40 12 Disposal Main code Cause Solution Low pressure sensor malfunction (S1NPL): open circuit / Check connection on PCB or actuator. short circuit - A1P (X18A) Transmission outdoor unit - inverter: INV1 / FAN1 Check connection. transmission trouble INV1 unbalanced power supply voltage Check if power supply is within range.
- Page 41 13 Technical data Technical data Latest information can be found in the technical engineering data. 13.1 Overview: Technical data This chapter contains information about: • Dimensions • Service space • Components • Piping diagram • Wiring diagram • Technical specifications •...
- Page 42 13 Technical data 13.3 Service space: Outdoor unit When mounting units side by side, the piping route must be to the front, to the back or downwards. In this case the piping route to the side is not possible. When mounting the units side by side and routing the piping to the back, you must keep a distance of ≥250 mm between the units (instead of ≥100 mm as shown on the figures below).
- Page 43 13 Technical data Multiple rows of units ( b (mm) ≥100 ≥100 ≤½H b≥250 ½H <H ≤H b≥300 ≥100 ≥100 ≥100 >H ≥2000 ≥3000 ≥100 ≥200 ≥100 ≥1000 ≥600 ≥1500 Stacked units (max. 2 levels) ( ≥100 ≥100 ≥300 ≥1000 ≥100 ≥100 ≥100...
- Page 44 13 Technical data 13.4 Components: Outdoor unit RXYSQ4~6_V1 S1PH Heat exchanger Motor (compressor) Subcool heat exchanger M1F-M2F Motor (upper and lower fan) Switch box S1PH High pressure switch Switch box cooling Terminal strip (power supply wiring) Service port (high pressure) Terminal strip (transmission wiring) Service port (refrigerant charge) Electronic expansion valve (main)
- Page 45 13 Technical data RXYSQ4~6_Y1 S1PH Heat exchanger S1PH High pressure switch Subcool heat exchanger Terminal strip (power supply wiring) Switch box Terminal strip (transmission wiring) Service port (high pressure) Electronic expansion valve (main) Service port (refrigerant charge) Electronic expansion valve (subcool heat exchanger) Cable tie mountings (to fix the field wiring with cable ties to Solenoid valve (4‑way valve) ensure stress relief)
- Page 46 13 Technical data 13.5 Piping diagram: Outdoor unit S1NPH S1PH S1NPL Stop valve (gas) Stop valve (liquid) Filter (3×) Subcool heat exchanger Pressure regulating valve Heat exchanger Service port (high pressure) Check valve Compressor accumulator Capillary tube Service port (refrigerant charge) Accumulator Heat sink PCB (only for RXYSQ4~6_V1) Compressor...
- Page 47 13 Technical data 13.6 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of the service cover. RXYSQ4~6_V1 Cool/heat selector option. 1N~ 50 Hz note 6 220-240 V Q1DI Cool Cool Heat -t° -t°...
- Page 48 13 Technical data Q1DI Earth leakage circuit breaker (field supply) Resistor (A1P) Thermistor (air) Thermistor (discharge) Thermistor (suction 1) Thermistor (heat exchanger) Thermistor (suction 2) Thermistor (subcool heat exchanger) Thermistor (liquid pipe) FINTH Thermistor (fin) S1NPH High pressure sensor S1NPL Low pressure sensor S1PH High pressure switch...
- Page 49 13 Technical data RXYSQ4~6_Y1 L1 L2 L3 N 3N~ 50 Hz Q1DI 380-415 V -t° -t° -t° -t° -t° -t° -t° S1NPL S1NPH L1 L2 L3 N Z8C N=3 X25A X11A X12A X13A X17A X18A 1 2 3 1 2 3 3 4 5 6 1 2 3 4 1 2 3 4...
- Page 50 13 Technical data Thermistor (suction 2) Thermistor (subcool heat exchanger) Thermistor (liquid pipe) R10T Thermistor (fin) S1NPH High pressure sensor S1NPL Low pressure sensor S1PH High pressure switch Air control switch (option) Cool/heat selector switch (option) IGBT power module (A2P) V2R, V3R Diode module (A2P) PCB connector...
- Page 51 13 Technical data 13.7 Technical specifications: Outdoor unit Technical specifications Specification RXYSQ4 RXYSQ5 RXYSQ6 Casing material Painted galvanised steel Dimensions h×w×d 1345×900×320 mm Weight 104 kg Operation range ▪ Cooling (min./max.) –5/46°C ▪ Heating (min./max.) –20/15.5°C Cooling ▪ Capacity 12.1 kW 14.0 kW 15.5 kW ▪...
- Page 52 13 Technical data Nominal cooling capacities are based on indoor temperature 27°C DB and 19°C WB, outdoor temperature 35°C DB, equivalent refrigerant piping: 5 m, level difference: 0 m. Nominal and maximum heating capacities are based on indoor temperature 20°C DB, outdoor temperature 7°C DB and 6°C WB, equivalent refrigerant piping: 5 m, level difference: 0 m.
- Page 53 13 Technical data 13.8 Capacity table: Indoor unit Total capacity of indoor units needs to be within the specified range. The connection ratio (CR): 50%≤CR≤130%. HP class of 100% 130% outdoor minimum minimum nominal CR maximum unit CR (RA DX) (VRV DX) 62.5 162.5 NOTICE...
- Page 54 14 About the system 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. used depends on the outdoor units series.
- Page 55 17 Operation Hot start Cooling Heating In order to prevent cold air from blowing out of an indoor unit at the Outdoor –5~46°C DB –20~21°C DB start of heating operation, the indoor fan is automatically stopped. temperature –20~15.5°C WB The display of the user interface shows .
- Page 56 17 Operation 17.3.3 To use the dry program (WITH cool/heat changeover remote control switch) To start 1 Select cooling operation mode with the cool/heat changeover remote control switch. 2 Press the ON/OFF button on the user interface. Result: The operation lamp lights up and the system starts 2 Press the operation mode selector button on the user interface operating.
- Page 57 18 Energy saving and optimum operation ▪ The air flow direction can be fixed by the user. 17.5.3 To designate the master user interface (RA DX) ▪ Automatic and desired position In case only RA DX indoor units are connected to the VRV IV-S WARNING system: Never touch the air outlet or the horizontal blades while the...
- Page 58 19 Maintenance and service ▪ Keep the indoor unit and user interface at least 1 m away from Maintenance and service televisions, radios, stereos, and other similar equipment. Failing to do so may cause static or distorted pictures. NOTICE ▪ Do not place items under the indoor unit, they may be damaged Never inspect or service the unit by yourself.
- Page 59 19 Maintenance and service provided in the installation/operation manuals of dedicated indoor WARNING units. Make sure to install cleaned air filters back in the same ▪ Do not modify, disassemble, remove, reinstall or repair position. the unit yourself as incorrect dismantling or installation may cause an electric shock or fire.
- Page 60 20 Troubleshooting ▪ The machine is started and stopped frequently or operation time is Malfunction Measure long (sites with 24 hour air-conditioning). If the system does not ▪ Check if there is no power failure. Wait operate at all. until power is restored. If power failure Recommended replacement cycle of wear parts occurs during operation, the system Component...
- Page 61 20 Troubleshooting Main code Contents Main code Contents Capacity setting malfunction (indoor) Connection malfunction over indoor units or type mismatch Transmission malfunction between main PCB and sub PCB (indoor) Centralised address duplication Heat exchanger thermistor malfunction (indoor; liquid) Malfunction in communication centralised control device - indoor unit Heat exchanger thermistor malfunction (indoor;...
- Page 62 21 Relocation 20.2.6 Symptom: White mist comes out of a unit 20.2.13 Symptom: The units can give off odours (Indoor unit) The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it again. ▪ When humidity is high during cooling operation. If the interior of an indoor unit is extremely contaminated, the temperature distribution inside a room becomes uneven.
- Page 63 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.
- Page 64 4P404676-1A 2016.03...