Related Manuals for Daikin FXUA50AVEB
Summary of Contents for Daikin FXUA50AVEB
- Page 1 Installer and user reference guide VRV system air conditioner FXUA50AVEB FXUA71AVEB FXUA100AVEB...
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Page 2: Table Of Contents
Table of contents Table of contents 1 About the documentation About this document ..............................2 General safety precautions About the documentation .............................. 2.1.1 Meaning of warnings and symbols ........................ For the installer ................................2.2.1 General ................................2.2.2 Installation site ............................... 2.2.3 Refrigerant —... - Page 3 Table of contents For the installer 14 About the box 14.1 Overview: About the box ..............................43 14.2 Indoor unit ..................................43 14.2.1 To unpack and handle the unit ........................43 14.2.2 To remove the accessories from the indoor unit ..................43 15 About the units and options 15.1 Identification ...................................
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Page 4: About The Documentation
The original documentation is written in English. All other languages are translations. Technical engineering 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 Business Portal (authentication required). -
Page 5: General Safety Precautions
General safety precautions 2 General safety precautions 2.1 About the documentation ▪ The original documentation is written in English. All other languages are translations. ▪ The precautions described in this document cover very important topics, follow them carefully. ▪ The installation of the system, and all activities described in the installation manual and in the installer reference guide MUST be performed by an authorised installer. -
Page 6: For The Installer
Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). -
Page 7: Installation Site
General safety precautions WARNING Provide adequate measures to prevent that the unit can be used as a shelter by small animals. Small animals that make contact with electrical parts can cause malfunctions, smoke or fire. CAUTION Do NOT touch the air inlet or aluminium fins of the unit. CAUTION ▪... - Page 8 General safety precautions NOTICE Make sure the field piping and connections are NOT subjected to stress. WARNING During tests, NEVER pressurise the product with a pressure higher than the maximum allowable pressure (as indicated on the nameplate of the unit). WARNING Take sufficient precautions in case of refrigerant leakage.
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Page 9: Electrical
General safety precautions ▪ 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. ▪ Charge the liquid refrigerant as follows: Then A siphon tube is present Charge with the cylinder upright. - Page 10 General safety precautions WARNING ▪ ONLY use copper wires. ▪ Make sure the field wiring complies with the applicable legislation. ▪ All field wiring MUST be performed in accordance with the wiring diagram supplied with the product. ▪ NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges.
- Page 11 General safety precautions WARNING ▪ After finishing the electrical work, confirm that each electrical component and terminal inside the electrical components box is connected securely. ▪ Make sure all covers are closed before starting up the unit. NOTICE ONLY applicable if the power supply is three‑phase, and the compressor has an ON/ OFF starting method.
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Page 12: Specific Installer Safety Instructions
WARNING Make sure installation, servicing, maintenance, repair and applied materials follow the instructions from Daikin and, in addition, comply with applicable legislation and are performed by qualified persons only. In Europe and areas where IEC standards apply, EN/IEC 60335-2-40 is the applicable standard. - Page 13 Specific installer safety instructions WARNING ▪ All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation. ▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation.
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Page 14: Instructions For Equipment Using R32 Refrigerant
WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪... -
Page 15: Installation Space Requirements
Specific installer safety instructions NOTICE ▪ Do NOT re-use joints and copper gaskets which have been used already. ▪ Joints made in installation between parts of refrigerant system shall be accessible for maintenance purposes. NOTICE ▪ Incomplete flaring may cause refrigerant gas leakage. ▪... -
Page 16: For The User
For the user FXUA50~100AVEB Installer and user reference guide VRV system air conditioner 4P673843-1 – 2022.01... -
Page 17: User Safety Instructions
User safety instructions 4 User safety instructions Always observe the following safety instructions and regulations. 4.1 General WARNING If you are NOT sure how to operate the unit, contact your installer. WARNING This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning... -
Page 18: Instructions For Safe Operation
User safety instructions ▪ Units are marked with the following symbol: This means that electrical and electronic products may NOT be mixed with unsorted household waste. Do NOT try to dismantle the system yourself: the dismantling of the system, treatment of the refrigerant, of oil and of other parts MUST be done by an authorised installer and MUST comply with applicable legislation. - Page 19 User safety instructions CAUTION ▪ NEVER touch the internal parts of the controller. ▪ Do NOT remove the front panel. Some parts inside are dangerous to touch and appliance problems may happen. For checking and adjusting the internal parts, contact your dealer. WARNING This unit contains electrical and hot parts.
- Page 20 User safety instructions WARNING Keep any required ventilation openings clear of obstructions. Maintenance and service (see "10 Maintenance and service" [ 31]) CAUTION: Pay attention to the fan! It is dangerous to inspect the unit while the fan is running. Make sure to turn OFF the main switch before executing any maintenance task.
- Page 21 User safety instructions DANGER: RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes, and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. The voltage MUST be less than 50 V DC before you can touch electrical components.
- Page 22 User safety instructions WARNING ▪ The refrigerant inside the unit is mildly flammable, but normally does NOT leak. If the refrigerant leaks in the room and comes in contact with fire from a burner, a heater, or a cooker, this may result in fire, or the formation of a harmful gas.
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Page 23: About The System
About the system 5 About the system WARNING ▪ Do NOT modify, disassemble, remove, reinstall or repair the unit yourself as incorrect dismantling or installation may cause an electrical shock or fire. Contact your dealer. ▪ In case of accidental refrigerant leaks, make sure there are no naked flames. The refrigerant itself is entirely safe, non-toxic and mildly flammable, but it will generate toxic gas when it accidentally leaks into a room where combustible air from fan heaters, gas cookers, etc. -
Page 24: Information Requirements For Fan Coil Units
Total electric power input elec Sound power level (cooling) dB(A) Sound power level (heating) dB(A) Contact details: DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o. U Nové Hospody 1/1155, 301 00 Plzeň Skvrňany, Czech Republic FXUA 50 0.029 FXUA 71 0.055 FXUA100 12.5 0.117... -
Page 25: User Interface
User interface 6 User interface CAUTION ▪ NEVER touch the internal parts of the controller. ▪ Do NOT remove the front panel. Some parts inside are dangerous to touch and appliance problems may happen. For checking and adjusting the internal parts, contact your dealer. -
Page 26: Before Operation
Before operation 7 Before operation WARNING This unit contains electrical and hot parts. WARNING Before operating the unit, be sure the installation has been carried out correctly by an installer. CAUTION It is unhealthy to expose your body to the air flow for a long time. CAUTION To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used together with the system. -
Page 27: Operation
Operation 8 Operation 8.1 Operation range INFORMATION For the operation limits see the technical data of the connected outdoor unit. 8.2 About operation modes INFORMATION Depending on the installed system, some operation modes will not be available. ▪ The air flow rate may adjust itself depending on the room temperature or the fan may stop immediately. -
Page 28: Special Heating Operation Modes
Operation 8.2.2 Special heating operation modes Operation Description Defrost To prevent a loss of heating capacity due to frost accumulation in the outdoor unit, the system will automatically switch to defrost operation. During defrost operation, the indoor unit fan will stop operation, and the following icon will appear on the home screen: The system will resume normal... -
Page 29: To Operate The System
Operation a Cooling operation b Heating operation INFORMATION For setting procedure of the airflow direction, see the reference guide or the manual of the used user interface. Automatic airflow control Cooling Heating ▪ When the room temperature is lower ▪ When starting operation. -
Page 30: Energy Saving And Optimum Operation
Energy saving and optimum operation 9 Energy saving and optimum operation CAUTION NEVER expose little children, plants or animals directly to the airflow. NOTICE Do NOT place objects below the indoor and/or outdoor unit that may get wet. Otherwise condensation on the unit or refrigerant pipes, air filter dirt or drain blockage may cause dripping, and objects under the unit may get dirty or damaged. -
Page 31: Maintenance And Service
Maintenance and service 10 Maintenance and service 10.1 Precautions for maintenance and service NOTICE Maintenance MUST be done by an authorised installer or service agent. We recommend performing maintenance at least once a year. However, applicable legislation might require shorter maintenance intervals. CAUTION: Pay attention to the fan! It is dangerous to inspect the unit while the fan is running. -
Page 32: Cleaning The Unit Exterior, Air Filter And Suction Grille
Maintenance and service NOTICE When cleaning the heat exchanger, make sure to remove the electronic components above it. Water or detergent might deteriorate the insulation of electronic components and result in burnout of these components. DANGER: RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes, and measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. -
Page 33: To Clean The Suction Grille
Maintenance and service ▪ If the dirt becomes impossible to clean, change the air filter (= optional equipment). How to clean the air filter: 1 Open the suction grille. Simultaneously slide the two knobs and open the suction grille carefully. a Knobs 2 Remove the air filter. -
Page 34: Maintenance Before A Long Stop Period
Maintenance and service a Knobs 2 Remove the suction grille. Unhook the 4 straps from the indoor unit. Open the suction grille in a 45° angle and unhook it from the hooks (3 places). 45° 3 Remove the air filter. Refer to "10.2.2 To clean the air filter" [ 32]. -
Page 35: About The Refrigerant
Maintenance and service 10.5 About the refrigerant This product contains fluorinated greenhouse gases. Do NOT vent gases into the atmosphere. Refrigerant type: R32 Global warming potential (GWP) value: 675 NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO equivalent. - Page 36 Maintenance and service NOTICE The R32 refrigerant leakage sensor is a semiconductor detector which may incorrectly detect substances other than R32 refrigerant. Avoid using chemical substances (e.g. organic solvents, hair spray, paint) in high concentrations, in the close proximity of the indoor unit because this may cause misdetection of the R32 refrigerant leakage sensor.
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Page 37: Troubleshooting
Troubleshooting 11 Troubleshooting If one of the following malfunctions occur, take the measures shown below and contact your dealer. WARNING Stop operation and shut OFF the power if anything unusual occurs (burning smells etc.). Leaving the unit running under such circumstances may cause breakage, electrical shock or fire. -
Page 38: Symptoms That Are Not System Malfunctions
Troubleshooting Malfunction Measure The system operates but ▪ Check if air inlet or outlet of outdoor or indoor cooling or heating is unit is not blocked by obstacles. Remove any insufficient. obstacles and make sure the air can flow freely. ▪... -
Page 39: Symptom: White Mist Comes Out Of A Unit (Indoor Unit)
Troubleshooting 11.1.4 Symptom: White mist comes out of a unit (Indoor unit) ▪ 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. It is necessary to clean the interior of the indoor unit. Ask your dealer for details on cleaning the unit. -
Page 40: Relocation
Relocation 12 Relocation Contact your dealer for removing and reinstalling the total unit. Moving units requires technical expertise. FXUA50~100AVEB Installer and user reference guide VRV system air conditioner 4P673843-1 – 2022.01... -
Page 41: Disposal
Disposal 13 Disposal NOTICE Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. FXUA50~100AVEB Installer and user reference guide VRV system air conditioner... -
Page 42: For The Installer
For the installer FXUA50~100AVEB Installer and user reference guide VRV system air conditioner 4P673843-1 – 2022.01... -
Page 43: About The Box
About the box 14 About the box 14.1 Overview: About the box This chapter describes what you have to do after the box with the indoor unit is delivered on-site. It contains information about: ▪ Unpacking and handling the unit ▪... - Page 44 About the box 1× 1× 1× 1× 8× 10× 4× 2× 1× 1× 3× 1× 1× 1× 5× 1× a Paper pattern for installation (top part of packing box) b General safety precautions c Indoor unit installation and operation manual d Drain hose e Metal clamp f Washer for hanger bracket...
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Page 45: About The Units And Options
About the units and options 15 About the units and options In this chapter 15.1 Identification................................... 15.1.1 Identification label: Indoor unit ..........................15.2 About the indoor unit................................15.3 System layout..................................15.4 Combining units and options..............................15.4.1 Possible options for the indoor unit ........................15.1 Identification 15.1.1 Identification label: Indoor unit Location... -
Page 46: Combining Units And Options
About the units and options a Indoor unit b Outdoor unit c User interface d Suction air e Discharge air f Refrigerant piping + transmission cable g Drain pipe h Suction grille and air filter 15.4 Combining units and options INFORMATION Certain options may NOT be available in your country. - Page 47 About the units and options ▪ Optional output PCB (to provide output for external device): The PCB will trigger the external alarm in case of leak detection, sensor failure or when the sensor is disconnected. For the exact model name, see the option list of the indoor unit. For more information about this option, refer to the installation manual of the optional output PCB.
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Page 48: Unit Installation
Unit installation 16 Unit installation In this chapter 16.1 Preparing the installation site ..............................16.1.1 Installation site requirements of the indoor unit ....................16.2 Mounting the indoor unit............................... 16.2.1 Guidelines when installing the indoor unit......................16.2.2 Guidelines when installing the drain piping ......................16.1 Preparing the installation site Choose an installation location with sufficient space for carrying the unit in and out of the site. - Page 49 Unit installation CAUTION Appliance NOT accessible to the general public, install it in a secured area, protected from easy access. This unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. WARNING Keep any required ventilation openings clear of obstructions. NOTICE The professional installer shall evaluate the EMC situation before installation, if the equipment is installed closer than 30 m to a residential location.
- Page 50 Unit installation 16‒1 Discharge pattern (top view) 4-way discharge 3-way discharge 2-way discharge (optional blocking pad kit is required) The symbols and show the refrigerant piping direction. ▪ rear (straight) refrigerant piping ▪ right (bent) refrigerant piping For upward refrigerant piping, any discharge pattern can be selected. The number in the symbol corresponds with the number of air outlets indicated by the number of...
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Page 51: Mounting The Indoor Unit
Unit installation A: ≥1500 A: ≥30 (mm) A Minimum distance to the wall B Minimum and maximum distance to the floor a Air outlet b Air inlet c Side with closed air outlet (blocking pad kit required) d Indoor unit e Obstacles f Floor ▪... - Page 52 Unit installation a Ceiling slab b Anchor c Long nut or turnbuckle d Suspended ceiling e Suspension bolt ▪ Suspension bolts and unit. Use M8~M10 suspension bolts for installation. Attach the hanger bracket to the suspension bolt. Fix it securely using a nut and washer on the top and bottom of the hanger bracket.
- Page 53 Unit installation To open the suction cover and remove the corner cover 1 Remove the transportation tape. 2 Simultaneously slide the two knobs to the centre, open the suction grille and remove it from the hooks. a Transportation tape 3 Hold the suction grille open in a 45° angle and unhook it from 3 hooks. Remove the corner covers.
- Page 54 Unit installation a Piping part b Level NOTICE Do NOT install the unit tilted. Possible consequence: If the unit is tilted against the direction of the condensate flow (the drain piping side is raised), the float switch might malfunction and cause water to drip. To block the air outlet for 2-way or 3-way air discharge ▪...
- Page 55 Unit installation When the horizontal blade is difficult to remove, slowly push it down to make removal easier. Fix the blocking pad to the air outlet. a Protruding part b Blocking pad c Drain pan d Lower decoration panel e Insulation f Upper decoration panel g Bent part of blocking pad h Space between lower decoration panel and drain pan...
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Page 56: Guidelines When Installing The Drain Piping
Unit installation NOTICE Make sure there is no space between the blocking pad and the indoor unit. Any remaining space may cause air leakage and condensation. 16.2.2 Guidelines when installing the drain piping Make sure condensation water can be evacuated properly. This involves: ▪... - Page 57 Unit installation (mm) a T-joint To connect the drain piping to the indoor unit NOTICE Incorrect connection of the drain hose might cause leaks, and damage the installation space and surroundings. Drain piping can be connected from 3 directions: A Right piping B Rear piping C Upward piping a Sealing material (large) (accessory)
- Page 58 Unit installation 2 For rear and upward piping, wrap the vinyl tape 2 or 3 times around the elbow so that the tape covers more than the width of the metal camp, leaving 10~15 mm unwrapped at the end of the elbow. 3 Tighten the metal clamp over the taped part of the elbow or drain hose with a torque of 1.35±0.15N·m.
- Page 59 Unit installation a Plastic water container with tube length ≥100 mm b Drain pump and float switch location c Service drain outlet (with rubber plug). Use this outlet to drain water from the drain pan. 5 Turn OFF the power. 6 Disconnect the electrical wiring. ▪...
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Page 60: Piping Installation
Piping installation 17 Piping installation In this chapter 17.1 Preparing refrigerant piping ..............................17.1.1 Refrigerant piping requirements ........................... 17.1.2 Refrigerant piping insulation..........................17.2 Connecting the refrigerant piping............................17.2.1 About connecting the refrigerant piping....................... 17.2.2 Precautions when connecting the refrigerant piping.................... 17.2.3 Guidelines when connecting the refrigerant piping.................... -
Page 61: Refrigerant Piping Insulation
Piping installation Outer diameter (Ø) Temper grade Thickness (t) Ø 6.4 mm (1/4") Annealed (O) ≥0.8 mm 9.5 mm (3/8") 12.7 mm (1/2") 15.9 mm (5/8") Depending on the applicable legislation and the maximum working pressure of the unit (see "PS High" on the unit name plate), larger piping thickness might be required. 17.1.2 Refrigerant piping insulation ▪... -
Page 62: Precautions When Connecting The Refrigerant Piping
Piping installation 17.2.2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation DANGER: RISK OF BURNING/SCALDING NOTICE ▪ Do NOT use mineral oil on flared part. ▪... -
Page 63: Pipe Bending Guidelines
Piping installation ▪ Coat the flare inner surface with ether oil or ester oil when connecting a flare nut. Tighten 3 or 4 turns by hand, before tightening firmly. ▪ ALWAYS use 2 wrenches together when loosening a flare nut. ▪... -
Page 64: To Connect The Refrigerant Piping To The Indoor Unit
Piping installation Flare tool for R32 Conventional flare tool (clutch type) Clutch type Wing nut type (Ridgid-type) (Imperial-type) 0~0.5 mm 1.0~1.5 mm 1.5~2.0 mm 5 Check that the flaring is properly made. a Flare’s inner surface MUST be flawless. b The pipe end MUST be evenly flared in a perfect circle. c Make sure the flare nut is fitted. - Page 65 Piping installation A Gas piping B Liquid piping a Insulation material (field supply) b Tie wrap (accessory) c Insulation pieces: Large (gas pipe), small (liquid pipe) (accessory) d Flare nut (attached to the unit) e Refrigerant pipe connection (attached to the unit) f Unit g Small sealing pads (accessory) 1 Turn up the seams of the insulation pieces.
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Page 66: Electrical Installation
Electrical installation 18 Electrical installation In this chapter 18.1 About connecting the electrical wiring ..........................18.1.1 Precautions when connecting the electrical wiring ....................18.1.2 Guidelines when connecting the electrical wiring ....................18.1.3 Specifications of standard wiring components ..................... 18.2 To connect the electrical wiring to the indoor unit ....................... 18.1 About connecting the electrical wiring Typical workflow Connecting the electrical wiring typically consists of the following stages:... -
Page 67: Guidelines When Connecting The Electrical Wiring
Electrical installation WARNING ▪ If the power supply has a missing or wrong N-phase, equipment might break down. ▪ Establish proper earthing. Do NOT earth the unit to a utility pipe, surge absorber, or telephone earth. Incomplete earthing may cause electrical shock. ▪... -
Page 68: Specifications Of Standard Wiring Components
Electrical installation Wire type Installation method Stranded conductor wire with round crimp-style terminal a Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Wiring Screw size Tightening torque (N•m) Power supply cable 1.3~1.6 Transmission cable M3.5 0.79~0.97 (indoor↔outdoor) User interface cable ▪... -
Page 69: To Connect The Electrical Wiring To The Indoor Unit
Electrical installation 18.2 To connect the electrical wiring to the indoor unit NOTICE ▪ Follow the wiring diagram (delivered with the unit, located at the inside of the service cover). ▪ For instructions on how to connect the optional equipment, see the installation manual delivered with the optional equipment. - Page 70 Electrical installation b Tie wrap (accessory) c Connection of power supply cable 6 Attach non-woven fabric (accessory) to avoid cables sticking out. 7 Divide the small sealing pad (accessory) and wrap each wiring. 8 Seal the space around the wiring with putty and insulating material (field supply).
- Page 71 Electrical installation CAUTION ▪ Each indoor unit has to be connected to a separate user interface. Only a safety system compatible remote controller can be used as the user interface. See technical data sheet for remote controller compatibility (e.g. BRC1H52/82*). ▪...
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Page 72: Finishing The Indoor Unit Installation
Finishing the indoor unit installation 19 Finishing the indoor unit installation 19.1 To mount the corner cover For rear and right piping outlet, cut the piping opening before mounting the corner covers. Cut the opening carefully so the parts of the corner cover do not fall off when installed on the unit. - Page 73 Finishing the indoor unit installation 45° 2 Close the suction grille by sliding the knobs away from the middle of the unit. a Knobs FXUA50~100AVEB Installer and user reference guide VRV system air conditioner 4P673843-1 – 2022.01...
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Page 74: Commissioning
20 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during the commissioning and hand-over to the user. -
Page 75: Checklist Before Commissioning
Commissioning NOTICE Cooling operation mode. Perform the test run in cooling operation mode so that stop valves failing to open can be detected. Even if the user interface was set to heating operation mode, the unit will run in cooling operation mode during 2‑3 minutes (although the user interface will display the heating icon), and then automatically switch to heating operation mode. -
Page 76: Configuration
Configuration 21 Configuration 21.1 Field setting Make the following field settings so that they correspond with the actual installation setup and with the needs of the user: ▪ Ceiling height ▪ Air volume when thermostat control is OFF ▪ Time to clean air filter ▪... - Page 77 Configuration If you want… Then — During thermostat 12 (22) OFF at cooling Setup volume operation Monitoring 1 Monitoring 2 During thermostat 12 (22) OFF at heating Setup volume operation Monitoring 1 Monitoring 2 Only use in combination with optional remote sensor or when setting M 10 (20), SW 2, — 03 is used.
- Page 78 Configuration Setting: Thermostat differential changeover (if remote sensor is used) If the system contains a remote sensor, set the increase/decrease increments. If you want to change increments to… Then — 1°C 12 (22) 0.5°C Setting: Automatic changeover differential Set the temperature difference between the cooling setpoint and the heating setpoint in automatic mode (availability depends on the system type).
- Page 79 Configuration Setting: T1/T2 input setting WARNING In case of R32 refrigerant, terminal connections T1/T2 are for fire alarm input ONLY. Fire alarm has a higher priority than R32 safety and shuts the entire system down. a Fire alarm input signal (potential free contact) Remote control is available by transmission the external input to the terminals T1 and T2 on the terminal block for the user interface and the transmission wiring.
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Page 80: Hand-Over To The User
Hand-over to the user 22 Hand-over to the user Once the test run is finished and the unit operates properly, please make sure the following is clear for the user: ▪ Make sure that the user has the printed documentation and ask him/her to keep it for future reference. -
Page 81: Troubleshooting
Troubleshooting 23 Troubleshooting 23.1 Solving problems based on error codes If the unit runs into a problem, the user interface displays an error code. It is important to understand the problem and to take measures before resetting an error code. This should be done by a licensed installer or by your local dealer. This chapter gives you an overview of most possible error codes and their descriptions as they appear on the user interface. - Page 82 Troubleshooting Code Description Room temperature thermistor in remote controller abnormality FXUA50~100AVEB Installer and user reference guide VRV system air conditioner 4P673843-1 – 2022.01...
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Page 83: Disposal
Disposal 24 Disposal NOTICE Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. FXUA50~100AVEB Installer and user reference guide VRV system air conditioner... -
Page 84: Technical Data
Technical data 25 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 Business Portal (authentication required). 25.1 Wiring diagram 25.1.1 Unified wiring diagram legend... - Page 85 Technical data Symbol Meaning AC*, CN*, E*, HA*, HE*, HL*, HN*, HR*, Connection, connector MR*_A, MR*_B, S*, U, V, W, X*A, K*R_*, NE D*, V*D Diode Diode bridge DIP switch Heater FU*, F*U, (for characteristics, refer to Fuse PCB inside your unit) Connector (frame ground) Harness H*P, LED*, V*L...
- Page 86 Technical data Symbol Meaning Thermo switch Residual current device Resistor Thermistor Receiver Limit switch Float switch S*NG Refrigerant leak detector S*NPH Pressure sensor (high) S*NPL Pressure sensor (low) S*PH, HPS* Pressure switch (high) S*PL Pressure switch (low) Thermostat S*RH Humidity sensor S*W, SW* Operation switch SA*, F1S...
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Page 87: Glossary
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 the product according to the instructions in the accompanying documentation. - Page 88 4P673843-1 2022.01 Verantwortung für Energie und Umwelt...
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