Related Manuals for Daikin 2AMXM40M4V1B9
Summary of Contents for Daikin 2AMXM40M4V1B9
- Page 1 Installer reference guide R32 Split series 2AMXM40M4V1B9 2AMXM50M4V1B9 2AMXF40A2V1B 2AMXF50A2V1B 2MXF40A2V1B 2MXF50A2V1B 2MXM40N2V1B9 2MXM50N2V1B9...
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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 To fix the fluorinated greenhouse gases label ....................... 48 9 Electrical installation About connecting the electrical wiring .......................... 49 9.1.1 Precautions when connecting the electrical wiring..................49 9.1.2 Guidelines when connecting the electrical wiring..................51 9.1.3 Specifications of standard wiring components....................52 To connect the electrical wiring to the outdoor unit.....................
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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 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 ).
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Page 10: Refrigerant - In Case Of R410A Or R32
General safety precautions Ceiling-mounted Wall-mounted Floor-standing unit unit unit m (kg) m (kg) A m (kg) A ≤1.842 — ≤1.842 — ≤1.842 — 1.843 28.9 1.843 3.64 1.843 4.45 3.95 4.83 34.0 4.34 5.31 41.2 5.79 49.0 4.74 5.13 6.39 57.5 7.41 66.7... - Page 11 General safety precautions WARNING Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks, ventilate the area immediately. Possible risks: ▪ Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency. ▪ Toxic gas might be produced if refrigerant gas comes into contact with fire. DANGER: RISK OF EXPLOSION Pump down –...
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Page 12: Electrical
General safety precautions Then A siphon tube is present Charge with the cylinder upright. (i.e., the cylinder is marked with "Liquid filling siphon attached") A siphon tube is NOT present Charge with the cylinder upside down. ▪ Open refrigerant cylinders slowly. ▪... - Page 13 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 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. Unit installation (see "6 Unit installation" [ 25]) 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. Installation site (see "6.1 Preparing the installation site" [... - Page 16 Specific installer safety instructions CAUTION ▪ Do NOT use mineral oil on flared part. ▪ Do NOT reuse piping from previous installations. ▪ NEVER install a drier to this R32 unit to guarantee its lifetime. The drying material may dissolve and damage the system. CAUTION ▪...
- Page 17 Specific installer safety instructions WARNING ▪ Only use R32 as refrigerant. Other substances may cause explosions and accidents. ▪ R32 contains fluorinated greenhouse gases. Its global warming potential (GWP) value is 675. Do NOT vent these gases into the atmosphere. ▪...
- Page 18 Specific installer safety instructions WARNING ▪ Do NOT use locally purchased electrical parts inside the product. ▪ Do NOT branch the power supply for the drain pump, etc. from the terminal block. This could result in electrical shock or fire. WARNING Keep the interconnection wiring away from copper pipes without thermal insulation as such pipes will be very hot.
- 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 DANGER: RISK OF ELECTROCUTION ▪ When the unit is not operating, the LEDs on the PCB are turned off in order to save power. ▪ Even when the LEDs are off, the terminal block and the PCB may be powered. 2(A)MXM40+50 + 2(A)MXF40+50 Installer reference guide R32 Split series...
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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 boxes with the outdoor and indoor unit are 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 4.2.2 To remove the accessories from the outdoor unit 1 Lift the outdoor unit. CAUTION Only handle the outdoor unit as follows: 2 Remove the accessories at the bottom of the package. 1× 1× 1× 1× 1× 1×... - Page 23 About the box g Reducer assembly h Energy label 2(A)MXM40+50 + 2(A)MXF40+50 Installer reference guide R32 Split series 4P600463-3D – 2021.03...
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Page 24: About The Unit
The refrigerant inside this unit is mildly flammable. INFORMATION For the operation limits see the latest technical data of the outdoor unit on the regional Daikin website (publicly accessible). 5.1 Overview: About the unit This chapter contains information about: ▪... -
Page 25: 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 26: Installation Site Requirements Of The Outdoor Unit
Unit installation 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). 6.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the following requirements: ▪... - Page 27 Unit installation Strong winds (≥18 km/h) blowing against the outdoor unit’s air outlet causes short circuit (suction of discharge air). This may result in: ▪ deterioration of the operational capacity; ▪ frequent frost acceleration in heating operation; ▪ disruption of operation due to decrease of low pressure or increase of high pressure;...
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Page 28: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
Unit installation Example: Behind the building. If the outdoor unit is exposed to direct sea winds, install a windbreaker. ▪ Height of windbreaker≥1.5×height of outdoor unit ▪ Mind the service space requirements when installing the windbreaker. a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only, and for ambient... -
Page 29: Opening The Unit
Unit installation d Air outlet It is recommended to provide at least 150 mm of free space below the unit (300 mm for heavy snowfall areas). Additionally, make sure the unit is positioned at least 100 mm above the maximum expected level of snow. If necessary, construct a pedestal. -
Page 30: Mounting The Outdoor Unit
Unit installation 6.3 Mounting the outdoor unit 6.3.1 About mounting the outdoor unit When The outdoor and indoor unit must be mounted before the refrigerant piping can be connected. Typical workflow Mounting the outdoor unit typically consists of the following stages: Providing the installation structure. -
Page 31: To Install The Outdoor Unit
Unit installation (mm) a 100 mm above expected level of snow 6.3.4 To install the outdoor unit 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 32: To Prevent The Outdoor Unit From Falling Over
Unit installation NOTICE If the unit is installed in a cold climate, take adequate measures so that the evacuated condensate CANNOT freeze. NOTICE If the drain holes of the outdoor unit are blocked up by a mounting base or floor surface, place additional foot bases ≤30 mm under the outdoor unit's feet. -
Page 33: 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 34: Refrigerant Piping Insulation
Piping installation 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. Usage of reducers might be required based on the indoor unit. See "7.2.6 ... -
Page 35: Connecting The Refrigerant Piping
Piping installation 7.2 Connecting the refrigerant piping 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 36: Guidelines When Connecting The Refrigerant Piping
Piping installation CAUTION ▪ Use the flare nut fixed to the main unit. ▪ To prevent gas leakage, apply refrigeration oil only to the inside of the flare. Use refrigeration oil for R32. ▪ Do NOT reuse joints. NOTICE Take the following precautions on refrigerant piping into account: ▪... -
Page 37: 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 38: Connections Between Outdoor And Indoor Unit Using Reducers
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 39: Using The Stop Valve And Service Port
Piping installation Port Class Reducer 20, 25, 35 — 20, 25, 35 Use optional accessory. Reducer type Connection Ø12.7 mm → Ø9.5 mm Ø12.7 mm → Ø9.5 mm Connection example: ▪ Connecting a Ø9.5 mm pipe to a Ø12.7 mm gas pipe connection port a Outdoor unit connection port b Reducer type 1 c Reducer type 2 d Flare nut for Ø12.7 mm... - Page 40 Piping installation d Stem cap ▪ Keep both stop valves open during operation. ▪ Do NOT apply excessive force to the valve stem. Doing so may break the valve body. ▪ ALWAYS make sure to secure the stop valve with a spanner, then loosen or tighten the flare nut with a torque wrench.
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Page 41: To Connect The Refrigerant Piping To The Outdoor Unit
Piping installation To handle the service cap ▪ ALWAYS use a charge hose equipped with a valve depressor pin, since the service port is a Schrader type valve. ▪ After handling the service port, tighten the service port cap, and check for refrigerant leaks. -
Page 42: Precautions When Checking The Refrigerant Piping
Piping installation If there is a possibility of moisture being present in the refrigerant piping (for example, water may have entered the piping), first carry out the vacuum drying procedure below until all moisture has been removed. 7.3.2 Precautions when checking the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪... -
Page 43: To Perform Vacuum Drying
Piping installation 7.3.4 To perform vacuum drying DANGER: RISK OF EXPLOSION Do NOT start the unit if it is vacuumed. Connect the vacuum pump and manifold as follows: a Low pressure gauge b Gauge manifold c High pressure gauge d Low-pressure valve (Lo) e High-pressure valve (Hi) f Charging hoses g Vacuum pump... - Page 44 Piping installation INFORMATION After opening the stop valve, it is possible that the pressure in the refrigerant piping does NOT increase. This might be caused by e.g. the closed state of the expansion valve in the outdoor unit circuit, but does NOT present any problem for correct operation of the unit.
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Page 45: Charging Refrigerant
Charging refrigerant 8 Charging refrigerant In this chapter About charging refrigerant..............................About the refrigerant ................................Precautions when charging refrigerant ..........................To determine the additional refrigerant amount ........................To determine the complete recharge amount ........................To charge additional refrigerant ............................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:... -
Page 46: 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 47: 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" [ 5] ▪ "7.1 Preparing refrigerant piping" [ 33] 8.4 To determine the additional refrigerant amount If the total liquid piping Then…... -
Page 48: To Fix The Fluorinated Greenhouse Gases Label
Charging refrigerant 8.7 To fix the fluorinated greenhouse gases label 1 Fill in the label as follows: Contains fluorinated greenhouse gases RXXX GWP: XXX GWP × kg 1000 a If a multilingual fluorinated greenhouse gases label is delivered with the unit (see accessories), peel off the applicable language and stick it on top of a. -
Page 49: 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 the refrigerant piping is connected and checked. - Page 50 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 51: Guidelines When Connecting The Electrical Wiring
Electrical installation a DB1 diode bridge b S90 thermistor lead wire c LED A d S40 thermal overload relay lead wire e S20 (white) room A electronic expansion valve coil f S21 (red) room B electronic expansion valve coil g S80 (white) 4-way valve lead wire connector h S70 fan motor lead wire i S99 heating lock j S91 (red) liquid thermistor lead wire... -
Page 52: 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 Item Tightening torque (N•m) M4 (X1M) M4 (earth) ▪ The earth wire between the wire retainer and the terminal must be longer than the other wires. - Page 53 Electrical installation 2× 2 Strip insulation (20 mm) from the wires. a Strip wire end to this point b An excessive strip length may cause electrical shock or leakage 3 Connect the wires between the indoor and outdoor units so that the terminal numbers match.
- Page 54 Electrical installation 10 Reattach the switch box cover and the service cover. 2(A)MXM40+50 + 2(A)MXF40+50 Installer reference guide R32 Split series 4P600463-3D – 2021.03...
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Page 55: 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 56: Configuration
Configuration 11 Configuration In this chapter 11.1 About ECONO mode prohibition setting..........................11.1.1 To turn on ECONO mode prohibition setting ......................11.2 About night quiet mode ................................. 11.2.1 To turn on the night quiet mode ........................... 11.3 About heat mode lock ................................11.3.1 To turn on heat mode lock............................. -
Page 57: About Night Quiet Mode
Configuration 4 Reinstall the electric box cover and the top plate in reverse order and turn on the main power supply. 11.2 About night quiet mode The night quiet mode function makes the outdoor unit run more quietly at nighttime. This will reduce the cooling capacity of the unit. Explain Night quiet mode to the customer and confirm if customer wants to use this mode. -
Page 58: About Standby Electricity Saving Function
Configuration c S99 connector Mode S99 connector Heat pump (cooling, heating) Connected Heating only Disconnected 4 Reinstall the top plate and the front plate. INFORMATION Forced operation is also available in heating mode. 11.4 About standby electricity saving function The standby electricity saving function: ▪... -
Page 59: Commissioning
12 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 60: Checklist Before Commissioning
Commissioning 12.3 Checklist before commissioning After the installation of the unit, first check the items listed below. Once all checks are fulfilled, the unit must be closed. Power-up the unit after it is closed. The indoor unit is properly mounted. The outdoor unit is properly mounted. -
Page 61: To Perform A Test Run
Commissioning Initialization of the Multi system can take several minutes depending on the number of indoor units and options used. 12.5.1 To perform a test run Prerequisite: Power supply MUST be in the specified range. Prerequisite: Test run operation may be done in cooling or heating mode. Prerequisite: Test run should be done in accordance with the operation manual of the indoor unit to make sure that all functions and parts are working properly. -
Page 62: Hand-Over To The User
Hand-over to the user 13 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 63: Maintenance And Service
Maintenance and service 14 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. 14.1 Overview: Maintenance and service This chapter contains information about: ▪... -
Page 64: About The Compressor
Maintenance and service 14.4 About the compressor When servicing the compressor keep in mind following precautions: DANGER: RISK OF ELECTROCUTION ▪ Use this compressor on a grounded system only. ▪ Turn the power off before servicing the compressor. ▪ Reattach the switch box cover and service lid after servicing. CAUTION Always wear safety goggles and protective gloves. -
Page 65: Troubleshooting
Troubleshooting 15 Troubleshooting 15.1 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 66: Symptom: The Unit Is Not Heating Or Cooling As Expected
Troubleshooting 15.3.2 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. Marks on the wiring and piping do NOT Marks on the wiring and piping (room A, match room B, room C, room D, room E) for... - Page 67 Troubleshooting DANGER: RISK OF ELECTROCUTION ▪ When the unit is not operating, the LEDs on the PCB are turned off in order to save power. ▪ Even when the LEDs are off, the terminal block and the PCB may be powered. 2(A)MXM40+50 + 2(A)MXF40+50 Installer reference guide R32 Split series...
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Page 68: Disposal
Disposal 16 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. 16.1 Overview: Disposal Typical workflow Disposing of the system typically consists of the following stages:... -
Page 69: To Start And Stop Forced Cooling
Disposal a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 16.3 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 70: Technical Data
Technical data 17 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). 17.1 Wiring diagram 17.1.1 Unified wiring diagram legend... - Page 71 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...
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Page 72: Piping Diagram: Outdoor Unit
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... - Page 73 Technical data 2MXM50, 2AMXM50, 2AMXF50, 2MXF50 7.9CuT 6.4CuT 6.4CuT (6.4CuT) 7.9CuT 6.4CuT 6.4CuT 6.4CuT (6.4CuT) 4.8CuT 4.8CuT 9.5CuT 9.5CuT 9.5CuT (9.5CuT) 9.5CuT 9.5CuT 9.5CuT (12.7CuT) 9.5CuT 9.5CuT HPS1 9.5CuT A Room A B Room B a 4-way valve ON: heating b High pressure switch with automatic reset c Muffler d Discharge pipe thermistor...
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Page 74: 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 76 4P600463-3D 2021.03 Verantwortung für Energie und Umwelt...