Related Manuals for Daikin FXZA15A2VEB
Summary of Contents for Daikin FXZA15A2VEB
- Page 1 Installer and user reference guide VRV system air conditioner FXZA15A2VEB FXZA20A2VEB FXZA25A2VEB FXZA32A2VEB FXZA40A2VEB FXZA50A2VEB...
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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 ..............................47 14.2 Indoor unit ..................................47 14.2.1 To unpack and handle the unit ........................47 14.2.2 To remove the accessories from the indoor unit ..................48 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 WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation (for example national gas regulation) and are executed only by authorised persons. WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪...
- Page 9 General safety precautions NOTICE ▪ Do NOT re-use joints which have been used already. ▪ Joints made in installation between parts of refrigerant system shall be accessible for maintenance purposes. Installation space requirements WARNING If appliances contain R32 refrigerant, the floor area of the room in which the appliances are installed, operated and stored MUST be larger than the minimum floor area defined in table below A (m ).
- Page 10 General safety precautions m (kg) 1.843 7.956 Ceiling-mounted Wall-mounted Floor-standing unit unit unit m (kg) m (kg) m (kg) ≤1.842 — ≤1.842 — ≤1.842 — 1.843 3.64 1.843 4.45 1.843 28.9 4.83 34.0 3.95 4.34 5.31 41.2 5.79 49.0 4.74 5.13 6.39 57.5...
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Page 11: Refrigerant - In Case Of R410A Or R32
General safety precautions (b) Wall-mounted unit (= Wall-mounted unit) (c) Floor-standing unit (= Floor-standing unit) 2.2.3 Refrigerant — in case of R410A or R32 If applicable. See the installation manual or installer reference guide of your application for more information. NOTICE Make sure refrigerant piping installation complies with applicable legislation. -
Page 12: Brine
General safety precautions WARNING Make sure there is no oxygen in the system. Refrigerant may only be charged after performing the leak test and the vacuum drying. Possible consequence: Self-combustion and explosion of the compressor because of oxygen going into the operating compressor. ▪... -
Page 13: Water
General safety precautions WARNING The ambient temperature inside the unit can get much higher than that of the room, e.g. 70°C. In case of a brine leak, hot parts inside the unit can create a hazardous situation. WARNING The use and installation of the application MUST comply with the safety and environmental precautions specified in the applicable legislation. - Page 14 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 15 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 16: 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 17 Specific installer safety instructions WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. Electrical installation (see "18 Electrical installation" [ 65]) 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.
- Page 18 Specific installer safety instructions "19 Commissioning" [ 70]) Commisioning (see WARNING If the panels on the indoor units are not installed yet, make sure to power OFF the system after finishing the test run. To do so, turn OFF operation via the user interface.
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Page 19: For The User
For the user For the user FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner 4P599623-1A – 2020.06... -
Page 20: 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 is not intended for use by persons, including children, with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning... -
Page 21: 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 authorized installer and must comply with applicable legislation. - Page 22 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 23 User safety instructions WARNING Do NOT place a flammable spray bottle near the air conditioner and do NOT use sprays near the unit. Doing so may result in a fire. "10 Maintenance and service" [ 34]) Maintenance and service (see CAUTION: Pay attention to the fan! It is dangerous to inspect the unit while the fan is running.
- Page 24 User safety instructions WARNING Do NOT let the indoor unit get wet. Possible consequence: Electric shock or fire. About the refrigerant (see "10.5 About the refrigerant" [ 38]) WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. WARNING ▪ Do NOT pierce or burn refrigerant cycle parts.
- Page 25 User safety instructions Troubleshooting (see "11 Troubleshooting" [ 41]) 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, electric shock or fire. Contact your dealer. FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner 4P599623-1A –...
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Page 26: 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 electric 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 27: Information Requirements For Fan Coil Units
Heating capacity rated,h Total electric power input elec Sound power level (per speed setting, if applicable) Contact details: DAIKIN INDUSTRIES CZECH REPUBLIC s.r.o. U Nové Hospody 1/1155, 301 00 Plzeň Skvrňany, Czech Republic FXZA15 0.036 FXZA20 0.036 FXZA25 0.036 FXZA32 0.038... -
Page 28: 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 29: 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 not good for your health 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 30: 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 31: 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 32: To Operate The System
Operation Automatic airflow control In the following operating conditions, the airflow direction of the indoor units is controlled automatically: ▪ When the room temperature is higher than the controller's setpoint for heating operation (including auto operation). ▪ When the indoor units run in heating operation mode, and the Defrost function is active. -
Page 33: 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. WARNING 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 34: Maintenance And Service
Maintenance and service 10 Maintenance and service 10.1 Precautions for maintenance and service NOTICE Maintenance MUST be done by an authorized 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 35: Cleaning The Air Filter, Suction Grille, Air Outlet And Outside Panels
Maintenance and service Following symbols may occur on the indoor unit: Symbol Explanation Measure the voltage at the terminals of main circuit capacitors or electrical components before servicing. 10.2 Cleaning the air filter, suction grille, air outlet and outside panels CAUTION Turn off the unit before cleaning the air filter, suction grille, air outlet and outside panels. -
Page 36: To Clean The Suction Grille
Maintenance and service BYFQ60B BYFQ60C 3 Clean the air filter. Use a vacuum cleaner or wash with water. If the air filter is very dirty, use a soft brush and neutral detergent. 4 Dry the air filter in the shadow. 5 Reattach the air filter and close the suction grille. -
Page 37: To Clean The Air Outlet And Outside Panels
Maintenance and service BYFQ60B 45° BYFQ60C 90° 3 Remove the air filter. BYFQ60B BYFQ60C 4 Clean the suction grille. Wash with a soft bristle brush and water or neutral detergent. If the suction grille is very dirty, use a typical kitchen cleaner, leave it on for 10 min, then wash it with water. -
Page 38: Maintenance Before A Long Stop Period
Maintenance and service NOTICE ▪ Do NOT use gasoline, benzene, thinner polishing powder or liquid insecticide. Possible consequence: Discoloration and deformation. ▪ Do NOT use water or air of 50°C or higher. Possible consequence: Discoloration and deformation. ▪ Do NOT scrub firmly when washing the blade with water. Possible consequence: The surface sealing peels off. -
Page 39: About The Refrigerant Leakage Sensor
Maintenance and service WARNING The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). WARNING ▪ Do NOT pierce or burn refrigerant cycle parts. ▪ Do NOT use cleaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer. - Page 40 Maintenance and service 3 Sensor checks if refrigerant leakage or misdetection occurred. ▪ If refrigerant leakage is NOT detected, Result: system returns to normal operation after approximately 2 minutes. ▪ If refrigerant leakage is detected, Result: 1 User interface displays error "A0-11", emits alarm sound and status indicator is blinking.
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Page 41: 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, electric shock or fire. -
Page 42: 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 43: 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 44: Relocation
Relocation 12 Relocation Contact your dealer for removing and reinstalling the total unit. Moving units requires technical expertise. FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner 4P599623-1A – 2020.06... -
Page 45: 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. FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner... -
Page 46: For The Installer
For the installer For the installer FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner 4P599623-1A – 2020.06... -
Page 47: 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 48: To Remove The Accessories From The Indoor Unit
About the box 14.2.2 To remove the accessories from the indoor unit 1× 1× 7× 4× 8× 4× 1× 1× 1× 1× Paper pattern for installation (upper part of packing) General safety precautions Indoor unit installation and operation manual Tie wraps Sealing pads: Large (drain pipe), medium 1 (gas pipe), medium 2 (liquid pipe), small (electrical wiring) Metal clamp Drain hose... -
Page 49: 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 NOTICE When installing or servicing several units at the same time, make sure NOT to switch... -
Page 50: Combining Units And Options
About the units and options Indoor unit Outdoor unit User interface Suction air Discharge air Refrigerant piping + transmission cable Drain pipe Suction grille and air filter 15.4 Combining units and options INFORMATION Certain options might not be available in your country. 15.4.1 Possible options for the indoor unit Make sure you have the following mandatory options: ▪... - Page 51 About the units and options ▪ Optional output PCB (to provide output for external device): The PCB will trigger in case of leak detection, sensor fails or when sensor is disconnected. For exact model name see 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 52: 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 Do NOT install the unit in places often used as work place. - Page 53 Unit installation NOTICE The equipment described in this manual may cause electronic noise generated from radio-frequency energy. The equipment complies to specifications that are designed to provide reasonable protection against such interference. However, there is no guarantee that interference will not occur in a particular installation. It is therefore recommended to install the equipment and electric wires in such a way that they keep a proper distance from stereo equipment, personal computers, etc.
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Page 54: Mounting The Indoor Unit
Unit installation ▪ B: Minimum and maximum distance to the floor: Minimum: 2.7 m to avoid accidental touching. Maximum: Depends on the air flow directions and the capacity class. Also make sure the "Ceiling height" field setting corresponds with the actual situation. See "20.1 Field setting" [ 72]. - Page 55 Unit installation 50~100 mm Ceiling slab Anchor Long nut or turnbuckle Suspension bolt Suspended ceiling ▪ Suspension bolts. Use M8~M10 suspension bolts for installation. Attach the hanger bracket to the suspension bolt. Fix it securely using a nut and washer from the upper and lower sides of the hanger bracket.
- Page 56 Unit installation (mm) 585~660 mm: In case of installation with BYFQ60B 585~595 mm: In case of installation with BYFQ60C 700 mm: In case of installation with BYFQ60B 620 mm: In case of installation with BYFQ60C Drain piping Refrigerant piping Hanger bracket pitch (suspension) Unit Example If A...
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Page 57: Guidelines When Installing The Drain Piping
Unit installation 16.2.2 Guidelines when installing the drain piping Make sure condensation water can be evacuated properly. This involves: ▪ General guidelines ▪ Connecting the drain piping to the indoor unit ▪ Checking for water leaks General guidelines ▪ Pipe length. Keep drain piping as short as possible. ▪... - Page 58 Unit installation 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. 1 Push the drain hose as far as possible over the drain pipe connection. 2 Tighten the metal clamp until the screw head is less than 4 ...
- Page 59 Unit installation 1× 1× Service cover with wiring diagram Opening for cables User interface terminal block Power supply terminal block 2 Turn ON the power. 3 Start fan only operation (see the reference guide or the service manual of the user interface).
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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") 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 CAUTION ▪ 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. Flare’s inner surface MUST be flawless. The pipe end MUST be evenly flared in a perfect circle. Make sure the flare nut is fitted. -
Page 65: 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 66: 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 67: 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 O Allowed X NOT allowed Tightening torques Wiring Screw size Tightening torque (N•m) Power supply cable 1.08~1.32 Transmission cable M3.5 0.79~0.97 (indoor↔outdoor) User interface cable... -
Page 68: 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 69 Electrical installation 1× 1× 70~90 70~90 10~20 10~15 10~15 Service cover (with wiring diagram) Opening for cables Connection of power supply Tie wrap Connection of user interface and transmission cable Complete system example 1 user interface controls 1 indoor unit. Control box IN/D OUT/D Outdoor unit...
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Page 70: Commissioning
Commissioning 19 Commissioning In this chapter 19.1 Overview: Commissioning ..............................19.2 Precautions when commissioning............................19.3 Checklist before commissioning............................. 19.4 To perform a test run ................................19.1 Overview: Commissioning This chapter describes what you have to do and know to commission the system after it is installed. -
Page 71: Checklist Before Commissioning
Commissioning WARNING If the panels on the indoor units are not installed yet, make sure to power OFF the system after finishing the test run. To do so, turn OFF operation via the user interface. Do NOT stop operation by turning OFF the circuit breakers. 19.3 Checklist before commissioning After the installation of the unit, first check the items listed below. -
Page 72: Configuration
Configuration 20 Configuration 20.1 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 ▪ Airflow direction range ▪ Air volume when thermostat control is OFF ▪... - Page 73 Configuration If you want set the airflow direction range to… Then — Upper 13 (23) Medium Lower Setting: Air volume when thermostat control is OFF This setting must correspond with the needs of the user. It determines the fan speed of the indoor unit during thermostat OFF condition. 1 If you have set the fan to operate, set the air volume speed: If you want…...
- Page 74 Configuration Setting: Thermostat sensor selection This setting must correspond with how/if the remote controller thermostat sensor is used. When the remote controller thermostat sensor Then is… — Used in combination with indoor unit thermistor 10 (20) Not used (indoor unit thermistor only) Used exclusively Setting: Thermostat differential changeover (if remote sensor is used) If the system contains a remote sensor, set the increase/decrease increments.
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Page 75: Hand-Over To The User
Hand-over to the user 21 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 76: Troubleshooting
Troubleshooting 22 Troubleshooting 22.1 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 77 Troubleshooting Code Description Room temperature thermistor in remote controller abnormality FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner 4P599623-1A – 2020.06...
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Page 78: Disposal
Disposal 23 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. FXZA15~50A2VEB Installer and user reference guide VRV system air conditioner... -
Page 79: Technical Data
Technical data 24 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). 24.1 Wiring diagram 24.1.1 Unified wiring diagram legend... - Page 80 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 81 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 82: 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 84 4P599623-1A 2020.06 Verantwortung für Energie und Umwelt...