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Maintenance and service

Installer and user reference guide

FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P677925-1 – 2021.07

Design panel:

Remove the air filter.

Standard panel:

Design panel:

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.

Dry the air filter in the shadow.

Reattach the air filter and close the suction grille.

Turn ON the power.

To remove warning screens, see the reference guide of the user interface.

10.2.2 To clean the suction grille

NOTICE

Do NOT use water of 50°C or higher.

Possible consequence:

Discoloration and

deformation.

Open the suction grille.

Содержание FXFN50A2VEB

Страница 1: ...Installer and user reference guide CO Conveni Pack indoor unit FXFN50A2VEB FXFN71A2VEB FXFN112A2VEB...

Страница 2: ...tenance and service 29 10 2 Cleaning the air filter suction grille air outlet and outside panels 30 10 2 1 To clean the air filter 30 10 2 2 To clean the suction grille 31 10 2 3 To clean the air outl...

Страница 3: ...ts 61 17 1 2 Refrigerant piping insulation 62 17 2 Connecting the refrigerant piping 62 17 2 1 About connecting the refrigerant piping 62 17 2 2 Precautions when connecting the refrigerant piping 63 1...

Страница 4: ...is part of a documentation set The complete set consists of General safety precautions Safety instructions that you must read before installing Format Paper in the box of the indoor unit Indoor unit i...

Страница 5: ...eaning 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...

Страница 6: ...tact your dealer DANGER RISK OF BURNING SCALDING Do NOT touch the refrigerant piping water piping or internal parts during and immediately after operation It could be too hot or too cold Give it time...

Страница 7: ...obtaining service In Europe EN378 provides the necessary guidance for this logbook 2 2 2 Installation site Provide sufficient space around the unit for servicing and air circulation Make sure the inst...

Страница 8: ...gerant 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 compress...

Страница 9: ...r 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 cab...

Страница 10: ...ake proper tightening impossible Over tightening the terminal screws may break them Install power cables at least 1 meter away from televisions or radios to prevent interference Depending on the radio...

Страница 11: ...t leak detection see 20 1 Field setting 474 WARNING Make sure installation servicing maintenance repair and applied materials follow the instructions from Daikin and in addition comply with applicable...

Страница 12: ...brazing is allowed for connection of pipes No other types of connections are allowed Expanding of pipes is NOT allowed Electrical installation see 18 Electrical installation 466 WARNING ALWAYS use mul...

Страница 13: ...ST be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard Commissioning see 19 Commissioning 472 WARNING If the panels on the indoor units are not...

Страница 14: ...For the user Installer and user reference guide 14 FXFN50 112A2VEB CO Conveni Pack indoor unit 4P677925 1 2021 07 For the user...

Страница 15: ...duced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the ha...

Страница 16: ...mixed with unsorted household waste If a chemical symbol is printed beneath the symbol this chemical symbol means that the battery contains a heavy metal above a certain concentration Possible chemic...

Страница 17: ...CAUTION It is unhealthy to expose your body to the air flow for a long time CAUTION To avoid oxygen deficiency ventilate the room sufficiently if equipment with burner is used together with the system...

Страница 18: ...ain switch before executing any maintenance task WARNING NEVER replace a fuse with a fuse of a wrong ampere ratings or other wires when a fuse blows out Use of wire or copper wire may cause the unit t...

Страница 19: ...ns of standard EN378 If the refrigerant leaks in high concentrations in the room it may have negative effects on its occupants such as asphyxiation and carbon dioxide poisoning Ventilate the room and...

Страница 20: ...ooling precision instruments food plants animals or works of art NOTICE For future modifications or expansions of your system A full overview of allowable combinations for future system extensions is...

Страница 21: ...oor unit for refrigeration showcase g Indoor unit for refrigeration blower coil h Safety valve i CO2 control panel j CO2 detector k CO2 alarm l CO2 ventilator m Shut off valve INFORMATION Maximum inst...

Страница 22: ...ible Prated c A kW Cooling capacity latent Prated c B kW Heating capacity Prated h C kW Total electric power input Pelec D kW Sound power level cooling LWA E dB A Sound power level heating LWA F dB A...

Страница 23: ...chemical dust cloth etc The panel may get discoloured or the coating peeled off If it is heavily dirty soak a cloth in water diluted neutral detergent squeeze it well and wipe the panel clean Wipe it...

Страница 24: ...eficiency ventilate the room sufficiently if equipment with burner is used together with the system CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could coll...

Страница 25: ...lfunction If the main power supply is turned off during operation operation will restart automatically after the power turns back on again Setpoint Target temperature for the Cooling Heating and Auto...

Страница 26: ...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 operation after approximately 6 to 8 min...

Страница 27: ...ion mode and the Defrost function is active When the indoor units run in Continuous operation and the airflow direction is Horizontal WARNING NEVER touch the air outlet or the horizontal blades while...

Страница 28: ...Prevent direct sunlight from entering a room during cooling operation by using curtains or blinds Make sure the area is well ventilated Do NOT block any ventilation openings Ventilate often Extended u...

Страница 29: ...air inlet or outlet When the fan is rotating at high speed it will cause injury NOTICE NEVER inspect or service the unit by yourself Ask a qualified service person to perform this work However as end...

Страница 30: ...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 10 2 1 To clean the air fil...

Страница 31: ...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 6 Tur...

Страница 32: ...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 wate...

Страница 33: ...eration for about half a day in order to dry the interior of the units Clean air filters and casings of indoor units see 10 2 1 To clean the air filter 430 and 10 2 3 To clean the air outlet and outsi...

Страница 34: ...guide of the Madoka a warning sound will come from the user interface only for Madoka with buzzer see option list or from another safety alarm in combination with a CO2 refrigerant leak detector fiel...

Страница 35: ...ower supply If the user interface displays or an error code Notify your installer and report the error code To display error codes see the reference guide of the user interface The user interface disp...

Страница 36: ...malfunctions The following symptoms are NOT system malfunctions 11 1 1 Symptom The system does not operate The air conditioner does not start immediately after the ON OFF button on the user interface...

Страница 37: ...e units causing them to stop Operation automatically restarts when the noise ceases 11 1 7 Symptom Noise of air conditioners Indoor unit A zeen sound is heard immediately after the power supply is tur...

Страница 38: ...indoor unit 4P677925 1 2021 07 11 1 11 Symptom In winter indoor unit generates cold air and fan is turned ON regardless of setting The system went to defrost operation The fan of the indoor unit is t...

Страница 39: ...aller and user reference guide 39 FXFN50 112A2VEB CO Conveni Pack indoor unit 4P677925 1 2021 07 12 Relocation Contact your dealer for removing and reinstalling the total unit Moving units requires te...

Страница 40: ...it 4P677925 1 2021 07 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...

Страница 41: ...For the installer Installer and user reference guide 41 FXFN50 112A2VEB CO Conveni Pack indoor unit 4P677925 1 2021 07 For the installer...

Страница 42: ...by holding on to the hanger brackets without exerting any pressure on other parts especially on refrigerant piping drain piping and other resin parts 1 2 14 1 2 To remove the accessories from the indo...

Страница 43: ...r unit 4P677925 1 2021 07 h Metal clamp i Sealing pads Large drain pipe medium 1 gas pipe medium 2 liquid pipe small electrical wiring j Drain hose k Power supply cable l Communication cable m Insulat...

Страница 44: ...make sure NOT to switch the service panels between different models 15 1 1 Identification label Indoor unit Location 15 2 About the indoor unit Use the system in the following temperature and humidit...

Страница 45: ...for refrigeration blower coil h Safety valve i CO2 control panel j CO2 detector k CO2 alarm l CO2 ventilator m Shut off valve INFORMATION The maximum installation distance between the indoor unit and...

Страница 46: ...ing mandatory options User interface Wired or wireless refer to catalogues and technical literature to select a suitable user interface INFORMATION Madoka with buzzer is a recommended option In case y...

Страница 47: ...indoor unit 54 16 2 2 Guidelines when installing the drain piping 57 16 1 Preparing the installation site Choose an installation location with sufficient space for carrying the unit in and out of the...

Страница 48: ...ransmission lines Take care that in the event of a water leak water cannot cause any damage to the installation space and surroundings Choose a location where the operation noise or the hot cold air d...

Страница 49: ...mm In case of installation with design decoration panel 391 mm In case of installation with self cleaning decoration panel 361 mm In case of installation with standard panel fresh air intake kit 403 m...

Страница 50: ...tegory and the location classification as described in the following table INFORMATION Where the possibility exists of more than one access category the more stringent requirements apply If occupied s...

Страница 51: ...eries cold stores dairies abattoirs non public areas in supermarkets 16 2 Description of location classification Location classification Description Class I Mechanical equipment located within the occ...

Страница 52: ...ff valve c2 to the gas piping between outdoor unit and the shut off valve d1 a b f f h g b c1 c1 c2 c2 d1 d1 d2 d2 e e e e 12 7 mm 9 52 mm 16 1 Installation layout example a Outdoor unit b Stop valve...

Страница 53: ...g If the total refrigerant charge kg divided by the room volume a m3 is the number of appropriate measures must be at least RCL 0 RCL and QLMV 1 QLMV and QLAV 2 QLAV Value CANNOT be exceeded a For occ...

Страница 54: ...ow using an airflow reducer then that space shall be included in the volume of the smallest human occupied space For refrigerants of safety class A1 the total volume of all the rooms cooled or heated...

Страница 55: ...with standard panel 100 150 mm In case of installation with fresh air intake kit or design panel 130 180 mm In case of installation with self cleaning decoration panel a Ceiling slab b Anchor c Long n...

Страница 56: ...ening mm 710 840 860 910 950 c d e f 780 840 860 910 950 c d e f a b a Drain piping b Refrigerant piping c Hanger bracket pitch suspension d Unit e Ceiling opening f Decoration panel Example If A a Th...

Страница 57: ...in 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...

Страница 58: ...675 mm a a T joint To connect the drain piping to the indoor unit NOTICE Incorrect connection of the drain hose might cause leaks and damage the installation space and surroundings 1 Push the drain ho...

Страница 59: ...t When installation of the system is not yet completed 1 Temporarily connect electrical wiring Remove the service cover a Connect the user interface b Connect the power supply c Reattach the service c...

Страница 60: ...the service cover Disconnect the power supply Disconnect the user interface Reattach the service cover When installation of the system is already completed 1 Start cooling operation see the reference...

Страница 61: ...eral oils or moisture should be prevented from getting mixed into the system Tight R744 does not contain any chlorine does not destroy the ozone layer and does not reduce earth s protection against ha...

Страница 62: ...35 and 0 045 kcal mh C with a heat resistance of at least 120 C Insulation thickness Pipe outer diameter p Insulation inner diameter i Insulation thickness t 9 5 mm 3 8 10 14 mm 10 mm 12 7 mm 1 2 14 1...

Страница 63: ...re exclusively used for R744 CO installations to withstand the pressure and to prevent foreign materials e g mineral oils and moisture from entering the system Do NOT leave pipes unattended at the sit...

Страница 64: ...gainst heat when brazing 17 2 4 To connect the refrigerant piping to the indoor unit CAUTION Install the refrigerant piping or components in a position where they are unlikely to be exposed to any sub...

Страница 65: ...ping B Gas piping a Insulation material field supply b Tie wraps accessory c Insulation pieces Large gas pipe small liquid pipe accessory d Brazed connection e Refrigerant pipe connection attached to...

Страница 66: ...wiring Typical workflow Connecting the electrical wiring typically consists of the following stages 1 Making sure the power supply system complies with the electrical specifications of the units 2 Con...

Страница 67: ...ause this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Use an all pole disconnection type breaker with at least 3 mm between th...

Страница 68: ...terminal must be longer than the other wires 18 1 3 Specifications of standard wiring components Component Class 50 71 112 Power supply cable MCA a 1 4 A 2 0 A 2 9 A Voltage 220 240 V Phase 1 Frequen...

Страница 69: ...n parallel 1 Remove the service cover 2 User interface cable Route the cable through the frame connect the cable to the terminal block symbols P1 P2 and fix the cable with a tie wrap 3 Transmission ca...

Страница 70: ...ndoor unit IN D OUT D F1 F2 F1 F2 Control box P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 T1 T2 L N L N L N L N a d c b N L N L N L N L a Outdoor unit b I...

Страница 71: ...r appliances filled with CO Appropriate measures are field supplied For details on how to connect wiring to the appropriate measures refer to the documentation of the used appropriate measures 1 Deter...

Страница 72: ...lly consists of the following stages 1 Checking the Checklist before commissioning 2 Performing a test run for the system 19 2 Precautions when commissioning INFORMATION During the first running perio...

Страница 73: ...gas and liquid are installed correctly and thermally insulated There are NO refrigerant leaks There are NO missing phases or reversed phases The system is properly earthed and the earth terminals are...

Страница 74: ...nal accessory Following setting are only applicable when using the BRC1H52 user interface When using any other user interface see the installation manual or service manual of the user interface Settin...

Страница 75: ...OFF at cooling operation LL 2 12 22 6 01 Setup volume 2 02 OFF a 03 Monitoring 1 2 04 Monitoring 2 2 05 Monitoring 3 2 06 H 2 07 During thermostat OFF at heating operation LL 2 12 22 3 01 Setup volum...

Страница 76: ...stat sensor is used When the remote controller thermostat sensor is Then 1 M SW C1 C2 Used in combination with indoor unit thermistor 10 20 2 01 Not used indoor unit thermistor only 02 Used exclusivel...

Страница 77: ...wer failure Then 1 M SW C1 C2 Disabled 12 22 5 01 Enabled 02 Function for refrigerant leak detection If the CO2 refrigerant leak detector field supply is connected to the indoor unit symbols T1 T2 set...

Страница 78: ...erly 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 Inform the user that he can find the com...

Страница 79: ...ption External protection device activated reeefrigerant leak detection Malfunction of indoor unit PCB Drain level control system abnormality Malfunction of freezing protection High pressure control i...

Страница 80: ...it 4P677925 1 2021 07 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...

Страница 81: ...he unit Part numbering is by Arabic numbers in ascending order for each part and is represented in the overview below by in the part code Symbol Meaning Symbol Meaning Circuit breaker Protective earth...

Страница 82: ...de HAP Light emitting diode service monitor green HIGH VOLTAGE High voltage IES Intelligent eye sensor IPM Intelligent power module K R KCR KFR KHuR K M Magnetic relay L Live L Coil L R Reactor M Step...

Страница 83: ...sensor low S PH HPS Pressure switch high S PL Pressure switch low S T Thermostat S RH Humidity sensor S W SW Operation switch SA F1S Surge arrester SR WLU Signal receiver SS Selector switch SHEET META...

Страница 84: ...ired service to the product Installation manual Instruction manual specified for a certain product or application explaining how to install configure and maintain it Operation manual Instruction manua...

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