Related Manuals for Daikin RXQ35AMV1B
Summary of Contents for Daikin RXQ35AMV1B
- Page 1 Installer reference guide R32 split series RXQ25AMV1B RXQ35AMV1B ARXQ25AMV1B ARXQ35AMV1B...
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Page 2: Table Of Contents
Table of contents Table of contents 1 About the documentation About this document ..............................1.1.1 Meaning of warnings and symbols ........................ 2 General safety precautions For the installer ................................2.1.1 General ................................2.1.2 Installation site ............................... 2.1.3 Refrigerant — in case of R410A or R32......................11 2.1.4 Electrical ................................. - Page 3 Table of contents 9.1.1 Precautions when connecting the electrical wiring..................46 9.1.2 Guidelines when connecting the electrical wiring..................48 9.1.3 Specifications of standard wiring components....................49 To connect the electrical wiring to the outdoor unit..................... 49 10 Finishing the outdoor unit installation 10.1 To finish the outdoor unit installation..........................
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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: Meaning Of Warnings And Symbols
About the documentation 1.1.1 Meaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury. DANGER: RISK OF ELECTROCUTION Indicates a situation that could result in electrocution. DANGER: RISK OF BURNING/SCALDING Indicates a situation that could result in burning/scalding because of extreme hot or cold temperatures. - Page 6 About the documentation Symbol Explanation Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". RXQ-A_ARXQ-A Installer reference guide R32 split series 4P513661-11P – 2021.11...
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Page 7: General Safety Precautions
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 8: Installation Site
WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. RXQ-A_ARXQ-A Installer reference guide R32 split series 4P513661-11P –... - Page 9 General safety precautions WARNING If one or more rooms are connected to the unit using a duct system, make sure: ▪ there are no operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater) in case the floor area is less than the minimum floor area A (m²).
- Page 10 General safety precautions Contains fluorinated greenhouse gases GWP: xxx GWP × kg 1000 2 Determine which graph or table to use. ▪ For indoor units: Is the unit ceiling-mounted, wall-mounted or floor- standing? ▪ For outdoor units installed or stored indoors, this depends on the installation height: If the installation height is…...
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Page 11: Refrigerant - In Case Of R410A Or R32
General safety precautions 2.1.3 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. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. -
Page 12: Electrical
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 General safety precautions WARNING If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. WARNING ▪ ONLY use copper wires. ▪...
- Page 14 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 15: Specific Installer Safety Instructions
Specific installer safety instructions 3 Specific installer safety instructions Always observe the following safety instructions and regulations. To handle the outdoor unit (see "4.2.2 To handle the outdoor unit" [ 21]) CAUTION To avoid injury, do NOT touch the air inlet or aluminium fins of the unit. Unit installation (see "6 Unit installation" [... - Page 16 Specific installer safety instructions CAUTION ▪ No brazing or welding on site for units with R32 refrigerant charge during shipment. ▪ During installation of the refrigeration system, joining of parts with at least one part charged shall be performed taking into account the following requirements: inside occupied spaces non-permanent joints are NOT allowed for R32 refrigerant except for site made joints directly connecting the indoor unit to piping.
- Page 17 Specific installer safety instructions "9 Electrical installation" [ 46]) Electrical installation (see 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.
- Page 18 Specific installer safety instructions DANGER: RISK OF ELECTROCUTION All electrical parts (including thermistors) are powered by the power supply. Do NOT touch them with bare hands. 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 19 Specific installer safety instructions WARNING ▪ Before carrying out any maintenance or repair activity, ALWAYS switch off the circuit breaker on the supply panel, remove the fuses or open the protection devices of the unit. ▪ Do NOT touch live parts for 10 minutes after the power supply is turned off because of high voltage risk.
- Page 20 Specific installer safety instructions WARNING Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this appliance MUST NOT be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly turned ON and OFF by the utility. DANGER: RISK OF ELECTROCUTION ▪...
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Page 21: About The Box
About the box 4 About the box 4.1 Overview: About the box This chapter describes what you have to do after the box with the outdoor unit is delivered on-site. Keep the following in mind: ▪ At delivery, the unit MUST be checked for damage. Any damage MUST be reported immediately to the claims agent of the carrier. -
Page 22: To Remove The Accessories From The Outdoor Unit
About the box Only handle the outdoor unit as follows: Make sure the unit is placed on a flat surface to avoid damage. If the aluminum fins on the unit are bent, straighten them with a fin comb (field supply). 4.2.3 To remove the accessories from the outdoor unit 1 Lift the outdoor unit. -
Page 23: About The Unit
About the unit 5 About the unit WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. 5.1 Identification NOTICE When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models. 5.1.1 Identification label: Outdoor unit Location RXQ-A_ARXQ-A... -
Page 24: Unit Installation
Unit installation 6 Unit installation WARNING Installation shall be done by an installer, the choice of materials and installation shall comply with the applicable legislation. In Europe, EN378 is the applicable standard. In this chapter Preparing the installation site ..............................6.1.1 Installation site requirements of the outdoor unit .................... -
Page 25: Installation Site Requirements Of The Outdoor Unit
Unit installation WARNING The appliance shall be stored so as to prevent mechanical damage and in a well- ventilated room without continuously operating ignition sources (e.g. open flames, an operating gas appliance, or an operating electric heater). The room size shall be as specified in the General safety precaution. - Page 26 Unit installation a Baffle plate b Prevailing wind direction c Air outlet Do NOT install the unit in the following places: ▪ Sound sensitive areas (e.g. near a bedroom), so that the operation noise will cause no trouble. Note: If the sound is measured under actual installation conditions, the measured value might be higher than the sound pressure level mentioned in Sound spectrum in the data book due to environmental noise and sound reflections.
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Page 27: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
Unit installation a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only, and for ambient temperatures within the following ranges (unless otherwise specified in the operation manual of the connected indoor unit): Cooling mode Heating mode 10~46°C DB... -
Page 28: Opening The Unit
Unit installation 6.2 Opening the unit 6.2.1 About opening the unit At certain times, you have to open the unit. Example: ▪ When connecting the refrigerant piping ▪ When connecting the electrical wiring ▪ When maintaining or servicing the unit DANGER: RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed. -
Page 29: Precautions When Mounting The Outdoor Unit
Unit installation Typical workflow Mounting the outdoor unit typically consists of the following stages: Providing the installation structure. Installing the outdoor unit. Providing drainage. Preventing the unit from falling over. Protecting the unit against snow and wind by installing a snow cover and baffle plates. -
Page 30: To Install The Outdoor Unit
Unit installation 6.3.4 To install the outdoor unit 4× M8/M10 6.3.5 To provide drainage ▪ Make sure that condensation water can be evacuated properly. ▪ Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation. -
Page 31: To Prevent The Outdoor Unit From Falling Over
Unit installation a Drain port b Bottom frame c Drain plug d Hose (field supply) 6.3.6 To prevent the outdoor unit from falling over In case the unit is installed in places where strong wind can tilt the unit, take following measure: 1 Prepare 2 cables as indicated in the following illustration (field supply). -
Page 32: Piping Installation
Piping installation 7 Piping installation In this chapter Preparing refrigerant piping ..............................7.1.1 Refrigerant piping requirements ........................... 7.1.2 Refrigerant piping insulation..........................7.1.3 Refrigerant piping length and height difference ....................Connecting the refrigerant piping............................7.2.1 About connecting the refrigerant piping....................... 7.2.2 Precautions when connecting the refrigerant piping.................... -
Page 33: 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") Annealed (O) 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. 7.1.2 Refrigerant piping insulation ▪... -
Page 34: About Connecting The Refrigerant Piping
Piping installation 7.2.1 About connecting the refrigerant piping Before connecting the refrigerant piping Make sure the outdoor and indoor unit are mounted. Typical workflow Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the indoor unit ▪ Connecting the refrigerant piping to the outdoor unit ▪... -
Page 35: Guidelines When Connecting The Refrigerant Piping
Piping installation NOTICE Take the following precautions on refrigerant piping into account: ▪ Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle (e.g. air). ▪ Only use R32 when adding refrigerant. ▪ Only use installation tools (e.g. manifold gauge set) that are exclusively used for R32 installations to withstand the pressure and to prevent foreign materials (e.g. -
Page 36: Pipe Bending Guidelines
Piping installation a Torque wrench b Spanner c Piping union d Flare nut Piping size (mm) Tightening torque Flare dimensions Flare shape (mm) (N•m) (A) (mm) 90° ±2 Ø6.4 15~17 8.7~9.1 ØA Ø9.5 33~39 12.8~13.2 0.4~0.8 7.2.4 Pipe bending guidelines Use a pipe bender for bending. -
Page 37: Using The Stop Valve And Service Port
Piping installation 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. 7.2.6 Using the stop valve and service port CAUTION Do NOT open the valves before flaring is complete. This would cause refrigerant gas leakage. -
Page 38: To Connect The Refrigerant Piping To The Outdoor Unit
Piping installation To open/close the stop valve 1 Remove the stop valve cover. 2 Insert a hexagon wrench (liquid side: 4 mm, gas side: 6 mm) into the valve stem and turn the valve stem: Counterclockwise to open Clockwise to close 3 When the stop valve CANNOT be turned any further, stop turning. -
Page 39: Checking The Refrigerant Piping
Piping installation 2 Connect the gas refrigerant connection from the indoor unit to the gas stop valve of the outdoor unit. NOTICE It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape. 7.3 Checking the refrigerant piping 7.3.1 About checking the refrigerant piping The outdoor unit's internal refrigerant piping has been factory tested for leaks. -
Page 40: To Check For Leaks
Piping installation 7.3.3 To check for leaks NOTICE Do NOT exceed the unit's maximum working pressure (see "PS High" on the unit name plate). NOTICE ALWAYS use a recommended bubble test solution from your wholesaler. NEVER use soap water: ▪ Soap water may cause cracking of components, such as flare nuts or stop valve caps. -
Page 41: Information
Piping installation 2 Leave as is for 4-5 minutes and check the pressure: If the pressure… Then… Does not change There is no moisture in the system. This procedure is finished. Increases There is moisture in the system. Go to the next step. 3 Vacuum the system for at least 2 ... -
Page 42: Charging Refrigerant
Charging refrigerant 8 Charging refrigerant In this chapter About charging refrigerant..............................About the refrigerant ................................Precautions when charging refrigerant ..........................To determine the complete recharge amount ........................To fix the fluorinated greenhouse gases label ........................8.1 About charging refrigerant The outdoor unit is factory charged with refrigerant, but in some cases the following might be necessary: What When... -
Page 43: About The Refrigerant
Charging refrigerant Typical workflow – Completely recharging refrigerant typically consists of the following stages: 1 Determining how much refrigerant to charge. 2 Charging refrigerant. 3 Filling in the fluorinated greenhouse gases label, and fixing it to the inside of the outdoor unit. 8.2 About the refrigerant This product contains fluorinated greenhouse gases. -
Page 44: Precautions When Charging Refrigerant
Charging refrigerant 8.3 Precautions when charging refrigerant INFORMATION Also read the precautions and requirements in the following chapters: ▪ "2 General safety precautions" [ 7] ▪ "7.1 Preparing refrigerant piping" [ 32] 8.4 To determine the complete recharge amount INFORMATION If a complete recharge is necessary, the total refrigerant charge is equal to the factory refrigerant charge (see unit name plate). - Page 45 Charging refrigerant 2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. RXQ-A_ARXQ-A Installer reference guide R32 split series 4P513661-11P – 2021.11...
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Page 46: Electrical Installation
Electrical installation 9 Electrical installation In this chapter About connecting the electrical wiring ..........................9.1.1 Precautions when connecting the electrical wiring ....................9.1.2 Guidelines when connecting the electrical wiring ....................9.1.3 Specifications of standard wiring components ..................... To connect the electrical wiring to the outdoor unit ......................9.1 About connecting the electrical wiring Before connecting the electrical wiring Make sure:... - Page 47 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. ▪...
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Page 48: Guidelines When Connecting The Electrical Wiring
Electrical installation a DB1 - diode bridge b Multimeter (DC voltage range) c S80 – reversing solenoid valve lead wire d S71 – fan motor lead wire e S30 – compressor motor lead wire f S40 – thermal overload relay lead wire g S20 –... -
Page 49: Specifications Of Standard Wiring Components
Electrical installation Tightening torques Item Tightening torque (N•m) M4 (X1M) 1.5~1.6 M4 (earth) 1.4~1.5 ▪ The earth wire between the wire retainer and the terminal must be longer than the other wires. 9.1.3 Specifications of standard wiring components Component Power supply cable Voltage 220~240 V Phase... - Page 50 Electrical installation 50 Hz 220-240 V a Interconnection cable b Power supply cable c Circuit breaker d Residual current device e Power supply f Earth 3× 1 2 3 5 Tighten the terminal screws securely. We recommend using a Phillips screwdriver.
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Page 51: Finishing The Outdoor Unit Installation
Finishing the outdoor unit installation 10 Finishing the outdoor unit installation 10.1 To finish the outdoor unit installation DANGER: RISK OF ELECTROCUTION ▪ Make sure that the system is earthed properly. ▪ Turn OFF the power supply before servicing. ▪ Install the switch box cover before turning ON the power supply. -
Page 52: Commissioning
11 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 53: Checklist Before Commissioning
Commissioning During test operation, the outdoor unit and the indoor units will start up. Make sure that the preparations of all indoor units are finished (field piping, electrical wiring, air purge, ...). See installation manual of the indoor units for details. 11.3 Checklist before commissioning 1 After the installation of the unit, check the items listed below. -
Page 54: Starting Up The Outdoor Unit
Commissioning Prerequisite: Test run may be performed in cooling or heating mode. Prerequisite: Test run should be performed in accordance with the operation manual of the indoor unit to make sure that all functions and parts are working properly. 1 In cooling mode, select the lowest programmable temperature. In heating mode, select the highest programmable temperature. -
Page 55: Hand-Over To The User
Hand-over to the user 12 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 56: Maintenance And Service
General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance. -
Page 57: Checklist For Yearly Maintenance Of The Outdoor Unit
Maintenance and service 13.3 Checklist for yearly maintenance of the outdoor unit Check the following at least once a year: ▪ Heat exchanger The heat exchanger of the outdoor unit can get blocked up due to dust, dirt, leaves, etc. It is recommended to clean the heat exchanger yearly. A blocked heat exchanger can lead to too low pressure or too high pressure leading to worse performance. -
Page 58: Troubleshooting
Troubleshooting 14 Troubleshooting 14.1 Overview: Troubleshooting This chapter describes what you have to do in case of problems. It contains information about solving problems based on symptoms. Before troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring. -
Page 59: Symptom: The Unit Is Not Heating Or Cooling As Expected
Troubleshooting 14.3.2 Symptom: The unit is NOT heating or cooling as expected Possible causes Corrective action Wrong connection of the electrical Connect the electrical wires correctly. wires Gas leakage Check for gas leakage. 14.3.3 Symptom: Water leakage Possible causes Corrective action Incomplete thermal insulation (gas and Make sure the thermal insulation of the liquid piping, indoor portions of the... -
Page 60: Disposal
Disposal 15 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. 15.1 Overview: Disposal Typical workflow Disposing of the system typically consists of the following stages:... -
Page 61: To Start And Stop Forced Cooling
Disposal a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 15.3 To start and stop forced cooling There are 2 methods to perform forced cooling. ▪ Method 1. Using the indoor unit ON/OFF switch (if present on the indoor unit). ▪... -
Page 62: Technical Data
Technical data 16 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). 16.1 Wiring diagram The wiring diagram is delivered with the unit, located inside of the outdoor unit (bottom side of the top plate). - Page 63 Technical data Symbol Meaning BZ, H*O Buzzer Capacitor 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)
- Page 64 Technical data Symbol Meaning Q*DI, KLM Earth leak circuit breaker Overload protector 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...
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Page 65: 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 68 4P513661-11P 2021.11 Verantwortung für Energie und Umwelt...