Daikin RXYSQ6T8VB Installer And User Manual
System air conditioner
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Summary of Contents for Daikin RXYSQ6T8VB
- Page 1 Installer and user reference guide VRV IV-S system air conditioner RXYSQ4T8VB RXYSQ5T8VB RXYSQ6T8VB RXYSQ4T8YB Installer and user reference guide RXYSQ5T8YB English VRV IV-S system air conditioner RXYSQ6T8YB...
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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 20.2.6 Symptom: White mist comes out of a unit (Indoor unit) ................53 11.1 Overview: Troubleshooting............39 20.2.7 Symptom: White mist comes out of a unit (Indoor 11.2 Precautions when troubleshooting ..........39 unit, outdoor unit) ............53 11.3 Solving problems based on error codes........ -
Page 4: For The User
(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 capabilities or lack of experience and knowledge if they have been... -
Page 5: Installation Site
1 General safety precautions 1.3.2 Installation site WARNING Always recover the refrigerant. Do NOT release them ▪ Provide sufficient space around the unit for servicing and air directly into the environment. Use a vacuum pump to circulation. evacuate the installation. ▪... -
Page 6: Water
1 General safety precautions WARNING WARNING Take sufficient precautions in case of brine leakage. If ▪ ONLY use copper wires. brine leaks, ventilate the area immediately and contact ▪ Make sure the field wiring complies with the applicable your local dealer. legislation. -
Page 7: About The Documentation
▪ Safety instructions that you must read before installing Daikin website (publicly accessible). ▪ Format: Paper (in the box of the outdoor unit) ▪ The full set of latest technical data is available on the Daikin extranet (authentication required). For the installer... -
Page 8: To Remove The Accessories From The Outdoor Unit
4 About the units and options Identification NOTICE When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models. CAUTION 4.2.1 Identification label: Outdoor unit To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. -
Page 9: Combining Units And Options
5 Preparation Refrigerant branching kit Description Model name Refnet header KHRQ22M29H Refnet joint KHRQ22M20T For the selection of the optimal branching kit, please refer to "5.3.4 To select refrigerant branch kits" on page 13. Cool/heat selector VRV IV-S Heat pump outdoor unit In order to control the cooling or heating operation from a central Refrigerant piping location, the following option can be connected: VRV direct expansion (DX) indoor unit... -
Page 10: Installation Site Requirements Of The Outdoor Unit
5 Preparation It is NOT recommended to install the unit in the following places 5.2.1 Installation site requirements of the because it may shorten the life of the unit: outdoor unit ▪ Where the voltage fluctuates a lot INFORMATION ▪ In vehicles or vessels Also read the following requirements: ▪... -
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
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 22.2... -
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 45°~90° (mm) Make sure not to cover the drain holes. INFORMATION The recommended height of the upper protruding part of 1×... -
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 Flare tool for Conventional flare tool R410A (clutch refrigerant piping Clutch type Wing nut type type) (Ridgid-type) (Imperial-type) Take the following guidelines into account when connecting pipes: 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm ▪ Coat the flare inner surface with ether oil or ester oil when connecting a flare nut. -
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_V) Outdoor unit (RXYSQ4~6_Y) 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 Mode 1 and 2 Mode Description Mode 1 Mode 1 can be used to monitor the current MODE: For changing the set mode situation of the outdoor unit. Some field setting SET: For field setting (monitoring contents can be monitored as well. RETURN: For field setting settings) TEST: For test operation... -
Page 30: To Use Mode 1
7 Configuration Switching between modes Example: 7‑LEDs display – Mode 2 Use BS1 to switch between the default situation, mode 1 and You can change the value of setting [2‑8] (= T target temperature mode 2. during cooling operation) to 4 (= 8°C) as follows: Action Button/display Start from the default... -
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
10 Maintenance and service 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 DANGER: RISK OF ELECTROCUTION Troubleshooting WARNING 11.1 Overview: Troubleshooting Prevent hazard due to the inadvertent resetting of the thermal cut-out: this appliance must NOT be supplied Before troubleshooting through an external switching device, such as a timer, or Carry out a thorough visual inspection of the unit and look for connected to a circuit that is regularly turned ON and OFF obvious defects such as loose connections or defective wiring.
- Page 40 12 Disposal Main code Cause Solution High pressure sensor malfunction (S1NPH): open circuit / Check connection on PCB or actuator. short circuit - A1P (X17A) 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.
- Page 41 13 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 extranet (authentication required). 13.1 Service space: Outdoor unit When mounting units side by side, the piping route must be to the front, to the back or downwards.
- Page 42 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 43 13 Technical data 13.2 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_V) Compressor...
- Page 44 13 Technical data 13.3 Wiring diagram: Outdoor unit The wiring diagram is delivered with the unit, located at the inside of Reactor (A1P) the service cover. Motor (compressor) Notes for RXYSQ4~6_V: Motor (upper fan) Motor (lower fan) Symbols (see below). Switching power supply (A1P) For X37A refer to the installation manual of the option.
- Page 45 13 Technical data Switching power supply (A2P) Q1DI Earth leakage circuit breaker (field supply) Resistor (A2P) Thermistor (air) Thermistor (discharge) Thermistor (suction 1) Thermistor (heat exchanger) Thermistor (suction 2) Thermistor (subcool heat exchanger) Thermistor (liquid pipe) R10T Thermistor (fin) S1NPH High pressure sensor S1NPL Low pressure sensor...
- Page 46 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 47 17 Operation Cooling Heating INFORMATION Outdoor –5~46°C DB –20~21°C DB ▪ The heating capacity drops when outside temperature temperature falls. If this happens, use another heating –20~15.5°C WB device together with the unit. (When using together with Indoor 21~32°C DB 15~27°C DB appliances that produce open fire, ventilate the room temperature 14~25°C WB constantly).
- Page 48 17 Operation Result: The operation lamp lights up and the system starts 3 Press the ON/OFF button of the user interface. operating. Result: The operation lamp lights up and the system starts operating. To stop 4 Press the air flow direction adjust button (only for double-flow, 3 Press the ON/OFF button on the user interface once again.
- Page 49 18 Energy saving and optimum operation 17.5.4 About control systems 17.5 Setting the master user interface This system provides two other control systems beside individual 17.5.1 About setting the master user interface control system (one user interface controls one indoor unit). Confirm the following if your unit is of the following control system type: Type Description...
- Page 50 19 Maintenance and service Detailed information is given for the installer in the installation CAUTION manual. He can help you to realize the best balance between energy Pay attention to the fan. consumption and comfort. It is dangerous to inspect the unit while the fan is running. 18.1 Available main operation methods Be sure to turn off the main switch before executing any...
- Page 51 19 Maintenance and service NOTICE 19.4.3 Recommended maintenance and inspection cycles In Europe, the greenhouse gas emissions of the total refrigerant charge in the system (expressed as tonnes Be aware that the mentioned maintenance and replacement cycles -equivalent) is used to determine the maintenance do not relate to the warranty period of the components.
- Page 52 20 Troubleshooting NOTICE Malfunction Measure The system operates ▪ Check if air inlet or outlet of outdoor or ▪ The table indicates main components. Refer to your but cooling or heating indoor unit is not blocked by obstacles. maintenance and inspection contract for more details. is insufficient.
- Page 53 20 Troubleshooting the compressor motor, the air conditioner starts 5 minutes after it Main code Contents is turned ON again in case it was turned OFF just before. The Discharge temperature malfunction (outdoor) same starting delay occurs after the operation mode selector Abnormal suction temperature (outdoor) button was used.
- Page 54 21 Relocation 20.2.8 Symptom: The user interface display 20.2.16 Symptom: The compressor in the outdoor reads "U4" or "U5" and stops, but then unit does not stop after a short heating restarts after a few minutes operation This is because the user interface is intercepting noise from electric This is to prevent refrigerant from remaining in the compressor.
- Page 55 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 56 4P482277-1 2017.04...
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