Related Manuals for Daikin RXF20D5V1B
Summary of Contents for Daikin RXF20D5V1B
- Page 1 Installer reference guide Daikin room air conditioner RXF20D5V1B RXF25D5V1B RXF35D5V1B RXF42D5V1B ARXFD5V1B ARXF25D5V1B ARXF35D5V1B ARXF42D5V1B...
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Page 2: Table Of Contents
To determine the additional refrigerant amount ..................40 7.4.4 To determine the complete recharge amount ....................41 7.4.5 To charge additional refrigerant ........................41 7.4.6 To fix the fluorinated greenhouse gases label....................41 Installer reference guide RXF20~42D5V1B + ARXF20~42D5V1B Daikin room air conditioner 4P519439-17R – 2021.12... - Page 3 To start and stop forced cooling using the indoor unit ON/OFF switch ............57 14.3.2 To start and stop forced cooling using the indoor unit user interface ............57 15 Technical data 15.1 Wiring diagram................................59 16 Glossary RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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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: Installer Reference Guide At A Glance
Hand‑over to the user What to give and explain to the user Disposal How to dispose of the system Technical data Specifications of the system Glossary Definition of terms RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 6: General Safety Precautions
Indicates a situation that could result in minor or moderate injury. NOTICE Indicates a situation that could result in equipment or property damage. INFORMATION Indicates useful tips or additional information. Symbols used on the unit: RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 7: 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 8: Installation Site
Corrosion of copper pipes or soldered parts may cause the refrigerant to leak. Instructions for equipment using R32 refrigerant WARNING: MILDLY FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 9 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 10 Then use the graph or table for… <1.8 m Floor-standing units 1.8≤x<2.2 m Wall-mounted units ≥2.2 m Ceiling-mounted units 3 Use the graph or table to determine the minimum floor area. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 11: Refrigerant - In Case Of R410A Or R32
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). RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 12 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: RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 13: Electrical
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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 14 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
- Page 15 ON and OFF while the product is operating, attach a reversed phase protection circuit locally. Running the product in reversed phase can break the compressor and other parts. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 16: Specific Installer Safety Instructions
Use flare nuts that are included with the unit. Using different flare nuts may cause refrigerant gas leakage. Electrical installation (see "8 Electrical installation" [ 43]) DANGER: RISK OF ELECTROCUTION RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 17 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 18: About The Box
Keep the unit upright in order to avoid damage. ▪ Prepare the path along which you want to bring the unit inside in advance. 4.2 Outdoor unit 4.2.1 To unpack the outdoor unit RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 19: To Remove The Accessories From The Outdoor Unit
About the box WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. 4.2.2 To remove the accessories from the outdoor unit 1 Lift the outdoor unit. - Page 20 Outdoor unit installation manual c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain plug (located on the bottom of the packing case) RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 21: About The Units And Options
When installing or servicing several units at the same time, make sure NOT to switch the service panels between different models. 5.2.1 Identification label: Outdoor unit Location RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 22: 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). RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 23: Installation Site Requirements Of The Outdoor Unit
Unit installation WARNING Make sure installation, servicing, maintenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons. 6.1.1 Installation site requirements of the outdoor unit INFORMATION Also read the following requirements: ▪... - Page 24 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 25: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
NOT affect the unit. If lateral snowfall is possible, make sure that the heat exchanger coil is NOT affected by the snow. If necessary, install a snow cover or shed and a pedestal. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 26: Opening The Units
Preventing the unit from falling over. Protecting the unit against snow and wind by installing a snow cover and baffle plates. See "6.1 Preparing the installation site" [ 22]. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 27: Precautions When Mounting The Outdoor Unit
Prepare 4 sets of M8 or M10 anchor bolts, nuts and washers (field supply). (mm) a 100 mm above expected level of snow 6.3.4 To install the outdoor unit 4× M8/M10 RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 28: To Provide Drainage
3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint (field supply). 4 Attach the ends of the cables. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 29 Unit installation 5 Tighten the cables. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 30: Piping Installation
(see "PS High" on the unit name plate), larger piping thickness might be required. 7.1.2 Refrigerant piping length and height difference What? Distance Maximum allowable pipe length 20 m RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 31: Refrigerant Piping Insulation
Using the stop valves 7.2.2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters: ▪ General safety precautions ▪ Preparation RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 32 Do NOT open the refrigerant stop valve before checking the refrigerant piping. When you need to charge additional refrigerant it is recommended to open the refrigerant stop valve after charging. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 33: Guidelines When Connecting The Refrigerant Piping
1 Cut the pipe end with a pipe cutter. 2 Remove burrs with the cut surface facing down so that the chips do NOT enter the pipe. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 34: Using The Stop Valve And Service Port
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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 35 21.6~27.4 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 36: To Connect The Refrigerant Piping To The Outdoor Unit
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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 37: Precautions When Checking The Refrigerant Piping
2 Check for leaks by applying the bubble test solution to all connections. 3 Discharge all nitrogen gas. 7.3.4 To perform vacuum drying Connect the vacuum pump and manifold as follows: RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 38 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 39: Charging Refrigerant
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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 40: About The Refrigerant
R=(total length (m) of liquid piping – 1 0 m)×0.020 R=Additional charge (kg) (rounded in units of 0.01 kg) INFORMATION Piping length is the one-way length of liquid piping. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 41: To Determine The Complete Recharge Amount
Formula to calculate the quantity in CO equivalent tonnes: GWP value of the refrigerant × total refrigerant charge [in kg] / 1000 Use the GWP value mentioned on the refrigerant charge label. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 42 Piping installation 2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 43: Electrical Installation
Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. WARNING ALWAYS use multicore cable for power supply cables. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 44: Connecting The Electrical Wiring
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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 45: Guidelines When Connecting The Electrical Wiring
Item Tightening torque (N•m) M4 (X1M) 1.2~1.5 M4 (earth) ▪ The earth wire between the wire retainer and the terminal must be longer than the other wires. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 46: Specifications Of Standard Wiring Components
Power supply cable c Circuit breaker d Residual current device e Power supply f Earth 3× 5 Tighten the terminal screws securely. We recommend using a Phillips screwdriver. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 47: Finishing The Outdoor Unit Installation
2 Install the service cover. 9.2 To close the outdoor unit NOTICE When closing the outdoor unit cover, make sure that the tightening torque does NOT exceed 1.3 N•m. 1× RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 48: Commissioning
1 After the installation of the unit, check the items listed below. 2 Close the unit. 3 Power up the unit. The indoor unit is properly mounted. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 49: Checklist During Commissioning
2 When the test run is finished, set the temperature to a normal level. In cooling mode: 26~28°C, in heating mode: 20~24°C. 3 The system stops operating 3 minutes after the unit is turned OFF. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 50: Starting Up The Outdoor Unit
When the power turns back on after a power break, the previously selected mode will be resumed. 10.6 Starting up the outdoor unit See the indoor unit installation manual for configuration and commissioning of the system. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 51: Hand-Over To The User
▪ Show the user what to do for the maintenance of the unit. ▪ Explain the user about energy saving tips as described in the operation manual. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 52: Maintenance And Service
Do NOT rinse the unit. This may cause electric shocks or fire. 12.3 Checklist for yearly maintenance of the outdoor unit Check the following at least once a year: RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... - Page 53 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. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12...
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Page 54: Troubleshooting
13.3 Solving problems based on symptoms 13.3.1 Symptom: Indoor units fall, vibrate or make noise Possible causes Corrective action The indoor units are NOT installed Install the indoor units securely. securely. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 55: Symptom: The Unit Is Not Heating Or Cooling As Expected
13.3.5 Symptom: Unit does NOT function or burn damage Possible causes Corrective action The wiring was NOT performed in Correct the wiring. accordance with the specifications. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 56: Disposal
▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 57: To Start And Stop Forced Cooling
14.3.2 To start and stop forced cooling using the indoor unit user interface 1 Set the operation mode to cooling. Refer to "To perform a test run" in the installation manual of the indoor unit. RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 58: Technical Data
Technical data 15 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). RXF20~42D5V1B + ARXF20~42D5V1B... -
Page 59: Wiring Diagram
Y*R, Y*S REVERSING SOLENOID VALVE COIL n=*, N=* NUMBER OF PASSES THROUGH FERRITE CORE PULSE-AMPLITUDE MODULATION FERRITE CORE PCB* PRINTED CIRCUIT BOARD ZF, Z*F NOISE FILTER POWER MODULE RXF20~42D5V1B + ARXF20~42D5V1B Installer reference guide Daikin room air conditioner 4P519439-17R – 2021.12... -
Page 60: 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 64 DAIKIN ISITMA VE SOĞUTMA SİSTEMLERİ SAN.TİC. A.Ş. Gülsuyu Mahallesi, Fevzi Çakmak Caddesi, Burçak Sokak, No:20, 34848 Maltepe İSTANBUL / TÜRKİYE Tel: 0216 453 27 00 Faks: 0216 671 06 00 Çağrı Merkezi: 444 999 0 Web: www.daikin.com.tr 4P519439-17R 2021.12 Verantwortung für Energie und Umwelt...
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