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Electrical installation

Installer and user reference guide

FXFN50~112A2VEB

CO₂ Conveni-Pack: indoor unit

4P677925-1 – 2021.07

18 Electrical installation

NOTICE

This is a class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.

In this chapter

18.1

About connecting the electrical wiring ..................................................................................................................................

18.1.1

Precautions when connecting the electrical wiring ..............................................................................................

18.1.2

Guidelines when connecting the electrical wiring ................................................................................................

18.1.3

Specifications of standard wiring components .....................................................................................................

18.2

To connect the electrical wiring to the indoor unit ...............................................................................................................

18.3

To connect appropriate measures for appliances filled with CO₂.........................................................................................

18.1 About connecting the electrical wiring

Typical workflow

Connecting the electrical wiring typically consists of the following stages:

Making sure the power supply system complies with the electrical
specifications of the units.

Connecting the electrical wiring to the outdoor unit.

Connecting the electrical wiring to the indoor unit.

Connecting the main power supply.

18.1.1 Precautions when connecting the electrical wiring

DANGER: RISK OF ELECTROCUTION

WARNING

ALWAYS use multicore cable for power supply cables.

INFORMATION

Also read the precautions and requirements in the

INFORMATION

Содержание FXFN112A2VEB

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

Страница 2: ...ntenance 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 outlet and outside panels 32 10 3 Maintenance before a long stop period 33 10 4 Maintenance after a long stop period 33 10 5 About the refrigerant 33 10 5 1 About refrigerant leak detection 34 11 Trouble...

Страница 3: ...nts 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 17 2 3 Guidelines when connecting the refrigerant piping 63 17 2 4 To connect the refrigerant piping to the indoor unit 64 18 Electrical installation 66 18 1 About connecting the electrical wiring 66 ...

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 installation and operation manual Installation and operation instructions Format Paper in the box of the indoor unit Installer and user reference guide Preparation of the installation good practices r...

Страница 5: ...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 DANGER RISK OF EXPLOSION Indicates a situation that could result in explosion...

Страница 6: ...ntact 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 to return to normal temperature If you MUST touch it wear protective gloves Do NOT touch any accidental leaking refrigerant WARNING Improper installation or attachment of equipment or accessories cou...

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 installation site withstands the weight and vibration of the unit Make sure the area is well ventilated Do NOT block any ventilation openings Make sure the unit is level Do NOT install the unit in the fo...

Страница 8: ...igerant 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 CAUTION A vacuumed system will be under triple point To avoid solid ice ALWAYS start charging with R744 in vapour state When the triple point is reached 5 2 bar absolute pressure or 4 2 bar gauge ...

Страница 9: ...er 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 Make sure no external pressure is applied to the terminal connections Make sure to install earth wiring Do NOT earth the ...

Страница 10: ...make 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 waves a distance of 1 meter may NOT be sufficient WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected se...

Страница 11: ...nt 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 legislation and are performed by qualified persons only In Europe and areas where IEC standards apply EN IEC 60335 2 40 is the applicable standard Installation site see 16 1 Preparing the installati...

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 multicore cable for power supply cables WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make electrical connections to the fixed wiring ...

Страница 13: ...UST 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 installed yet make sure to power OFF the system after finishing the test run To do so turn OFF operation via the user interface Do NOT stop operation by turning OFF the circuit breakers ...

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: ...educed 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 hazards involved Children SHALL NOT play with the appliance Cleaning and user maintenance SHALL NOT be made by children without supervision WARNING To prevent electrical shocks or fire Do NOT rinse the...

Страница 16: ...e 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 chemical symbols are Pb lead 0 004 Waste batteries MUST be treated at a specialised treatment facility for reuse By ensuring waste batteries are disposed of correctly you will help to prevent potential neg...

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 CAUTION Do NOT operate the system when using a room fumigation type insecticide Chemicals could collect in the unit and endanger the health of people who are hypersensitive to chemicals CAUTION NEVE...

Страница 18: ...main 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 to break down or cause a fire CAUTION After a long use check the unit stand and fitting for damage If damaged the unit may fall and result in injury CAUTION Before accessing terminal devices make sure...

Страница 19: ...ons 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 contact the dealer where you purchased the unit see 10 5 1 About refrigerant leak detection 434 Do NOT use the unit until a service person confirms that the part from which the refrigerant leaked has...

Страница 20: ...cooling 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 available in technical engineering data and should be consulted Contact your installer to receive more information and professional advice CAUTION If this unit is equipped with an electrically powere...

Страница 21: ...door 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 installation distance between the indoor unit and the BEV2 unit depends on the length of attached transmission and power supply cables Make sure to install the units so the cables reach both units termin...

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 Contact details DAIKIN INDUSTRIES CZECH REPUBLIC s r o U Nové Hospody 1 1155 301 00 Plzeň Skvrňany Czech Republic A B C D E F FXFN50A 4 1 1 5 6 3 0 3 53 54 FXFN71A 5 8 2 2 9 0 6 58 59 FXFN112A 8 7 3 8...

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 with another dry cloth NOTICE NEVER press the button of the user interface with a hard pointed object The user interface may be damaged NOTICE NEVER pull or twist the electric wire of the user interf...

Страница 24: ...deficiency 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 collect in the unit and endanger the health of people who are hypersensitive to chemicals This operation manual is for the following systems with standard control Before initiating operation contact your...

Страница 25: ...alfunction 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 operation modes Setback A function that keeps the room temperature in a specific range when the system is turned off by the user the schedule function or the OFF timer 8 2 1 Basic operation modes The...

Страница 26: ...t 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 minutes Hot start During hot start the indoor unit fan will stop operation and the following icon will appear on the home screen 8 2 3 Adjusting the airflow direction The following airflow directions ca...

Страница 27: ...tion 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 the swing flap is in operation Fingers may become caught or the unit may break down NOTICE Avoid operating in the horizontal direction It may cause dew or dust to settle on the ceiling or flap 8 2 4 ...

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 use requires special attention to ventilation Keep doors and windows closed If the doors and windows remain open air will flow out of your room causing a decrease in the cooling or heating effect Be c...

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 user you may clean the air filter suction grille air outlet and outside panels 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 c...

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 filter When to clean the air filter Rule of thumb Clean every 6 months If the air in the room is extremely contaminated increase the cleaning frequency Depending on the settings the user interface can d...

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 Turn ON the power 7 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 Discoloratio...

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 water 5 Reattach the air filter step 3 in reverse order 6 Reattach the suction grille and close it step 2 and 1 in reverse order 10 2 3 To clean the air outlet and outside panels WARNING Do NOT let the i...

Страница 33: ...peration 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 outside panels 432 Remove the batteries from the user interface if applicable 10 4 Maintenance after a long stop period E g at the beginning of the season Check and remove everything that might be blockin...

Страница 34: ...e 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 field supply Actions required by the user 1 Ventilate the room and immediately contact the dealer where you purchased the unit Do NOT use the unit before the fault is fixed Actions required by the instal...

Страница 35: ...power 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 displays error code A0 or U9 or the fan stops and you can hear a warning sound from the user interface in case of Madoka or from another safety alarm in combination with a gas detection device if install...

Страница 36: ...m 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 is pressed If the operation lamp lights the system is in normal condition To prevent overloading of the compressor motor the air conditioner starts 5 minutes after it is turned ON again in case it w...

Страница 37: ...he 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 turned on The electronic expansion valve inside an indoor unit starts working and makes the noise Its volume will reduce in about one minute A continuous low shah sound is heard when the system is in co...

Страница 38: ...k 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 turned ON for correct defrost operation cold air may be generated during this time period ...

Страница 39: ...taller 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 technical expertise ...

Страница 40: ...nit 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 Units MUST be treated at a specialised treatment facility for reuse recycling and recovery ...

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 indoor unit 8 4 1 1 1 4 1 1 7 a e f d c b h i g j 1 1 1 o m n 1 1 k l a Paper pattern for installation top part of packing box b General safety precautions c Indoor unit installation and operation manual...

Страница 43: ...or 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 Insulation piece Small liquid pipe n Insulation piece Large gas pipe o Insulation piece drain pipe ...

Страница 44: ...e 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 humidity ranges for safe and effective operation Cooling and drying Heating Outdoor unit 5 43 C DB 20 16 C WB Indoor unit 14 24 C WB 15 27 C DB Indoor humidity 80 a a To avoid condensation and water drippin...

Страница 45: ...t 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 the BEV2 unit depends on the length of the included transmission and power supply cables Make sure to install the units so the cables reach both units terminals The maximum installation height diffe...

Страница 46: ...wing 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 you use another user interface an additional safety alarm in combination with a gas detection device field supply may be required see 16 1 2 Additional installation site requirements for CO refrigeran...

Страница 47: ...e 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 site Avoid installation in an environment with a lot of organic solvents such as ink and siloxane Do NOT install the unit in places often used as work place In case of construction works e g grindin...

Страница 48: ...transmission 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 discharged from the unit will not disturb anyone When installing the unit in a small room take measures in order to keep the refrigerant concentration from exceeding allowable safety limits in the eve...

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 mm In case of installation with design panel fresh air intake kit a Indoor unit b Lighting the figure shows ceiling mounted lighting but recessed lighting is also allowed c Air fan d Static volume exa...

Страница 50: ...ategory 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 spaces are isolated e g by sealed partitions floors and ceilings the requirements of the individual access category apply Access category Location classification I II III IV General Toxicity limit Roo...

Страница 51: ...neries 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 occupied space If the refrigerating system or refrigerant containing parts are located in the occupied space the system is considered to be of class I unless the system complies with the requirements of...

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 Ø12 7 mm Ø9 52 mm 16 1 Installation layout example a Outdoor unit b Stop valve on the outdoor unit c1 Liquid piping between outdoor unit and the shut off valve c2 Liquid piping between indoor unit and the shut off valve d1 Gas piping between outdoor unit and the shut off valve...

Страница 53: ...ng 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 occupied spaces with a floor area exceeding 250 m2 use 250 m2 as the floor area for determination of the room volume Example even if the room area is 300 m2 and the room height is 2 5 m calculate the ro...

Страница 54: ...low 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 by air from one system is used as the volume for calculation if the air supply to each room cannot be restricted below 25 of its full supply For refrigerants of safety class A1 the effect of the air ...

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 nut or turnbuckle d Suspension bolt e Suspended ceiling Suspension bolts Use M8 M10 suspension bolts for installation Attach the hanger bracket to the suspension bolt Fix it securely using a nut and w...

Страница 56: ...pening 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 Then B a C a A C B 860 mm 10 mm 45 mm 910 mm 35 mm 20 mm a A Ceiling opening B Distance between the unit and the ceiling opening C Overlap between the decoration panel and the suspended ceiling Install...

Страница 57: ...ain piping Make sure condensation water can be evacuated properly This involves General guidelines Connecting the drain piping to the indoor unit Checking for water leaks General guidelines Pipe length Keep drain piping as short as possible Pipe size Keep the pipe size equal to or greater than that of the connecting pipe vinyl pipe of 25 mm nominal diameter and 32 mm outer diameter Slope Make sure...

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 hose as far as possible over the drain pipe connection 2 Tighten the metal clamp until the screw head is less than 4 mm from the metal clamp part 3 Check for water leaks see To check for water leaks 45...

Страница 59: ...it 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 cover a b a c N L a Service cover with wiring diagram b User interface terminal block c Power supply terminal block 2 Turn ON the power 3 Start fan only operation see the reference guide or the servic...

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 guide or the service manual of the user interface 2 Gradually pour approximately 1 l of water through the water inlet and check for leaks see When installation of the system is not yet completed 459 ...

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 harmful ultraviolet radiation R744 can contribute to the greenhouse effect if it is released Therefore pay special attention to check the tightness of the installation NOTICE The piping and other pressu...

Страница 62: ...35 and 0 045 kcal mh C with a heat resistance of at least 120 C Insulation thickness Pipe outer diameter Øp Insulation inner diameter Øi Insulation thickness t 9 5 mm 3 8 10 14 mm 10 mm 12 7 mm 1 2 14 16 mm 10 mm Øi Øi t Øp Øp If the temperature is higher than 30 C and the humidity is higher than RH 80 the thickness of the insulation materials should be at least 20 mm to prevent condensation on th...

Страница 63: ...are 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 site If you will finish the work in less than 1 month tape the pipe ends or pinch the pipe see figure below Pipes that are installed outdoors must be pinched regardless of the duration of the works Use ...

Страница 64: ...against 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 substance which may corrode components containing refrigerant unless the components are constructed of materials that are inherently resistant to corrosion or are suitably protected against corrosion Pi...

Страница 65: ...iping 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 the unit f Unit g Sealing pads Medium 1 gas pipe medium 2 liquid pipe accessories 1 Turn up the seams of the insulation pieces 2 Attach to the base of the unit 3 Tighten the tie wrap on the insulatio...

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 Connecting the electrical wiring to the outdoor unit 3 Connecting the electrical wiring to the indoor unit 4 Connecting the main power supply 18 1 1 Precautions when connecting the electrical wiring DAN...

Страница 67: ...cause 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 the contact point gaps that provide full disconnection under overvoltage category III WARNING If the supply cord is damaged it MUST be replaced by the manufacturer its service agent or similarly qualif...

Страница 68: ...e 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 Frequency 50 60 Hz Wire sizes 2 5 mm2 3 core wire H07RN F 60245 IEC 66 Transmission wiring 0 75 to 1 25 mm 2 core wire H05RN F 60245 IEC 57 indoor outdoor maximum 1000 m total wiring length 2000 m indoor us...

Страница 69: ...un 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 cable Route the cable through the frame connect the cable to the terminal block make sure the symbols F1 F2 match with the symbols on the outdoor unit and fix the cable with a tie wrap 4 Appropriate me...

Страница 70: ...indoor 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 Indoor unit c User interface d Most downstream indoor unit Example Group control or use with 2 user interfaces IN D OUT D F1 F2 F1 F2 Control box P1 P2 F1 P1 P2 F2 T1 T2 P1 P2 F1 F2 T1 T2 P1 P2 F1 F2 ...

Страница 71: ...or 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 Determine the minimum number of appropriate measures for the room in accordance with 16 1 2 Additional installation site requirements for CO refrigerant 450 2 Connect the appropriate measures to the indoo...

Страница 72: ...ally 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 period of the unit the required power may be higher than stated on the nameplate of the unit This phenomenon is caused by the compressor that needs a continuous run time of 50 hours before reaching smooth...

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 tightened The fuses or locally installed protection devices are installed according to this document and have NOT been bypassed The power supply voltage matches the voltage on the identification labe...

Страница 74: ...onal 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 Setting Ceiling height This setting must correspond with the actual distance to the floor capacity class and air flow directions For 3 way and 4 way airflows which require an optional blocking pad kit see ...

Страница 75: ...t 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 volume 2 02 OFF a 03 Monitoring 1 2 04 Monitoring 2 2 05 Monitoring 3 2 06 H 2 07 1 Field settings are defined as follows M Mode number First number for group of units Number between brackets for individu...

Страница 76: ...ostat 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 exclusively 03 Setting Thermostat differential changeover if remote sensor is used If the system contains a remote sensor set the increase decrease increments If you want to change increments to Then 1 M SW C1...

Страница 77: ...ower 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 setting C2 of mode 12 22 must be changed to 08 See 10 5 1 About refrigerant leak detection 434 If the CO2 refrigerant leak detector field supply is Then 1 M SW C1 C2 NOT installed 12 22 1 01 Installed 0...

Страница 78: ...perly 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 complete documentation at the URL mentioned earlier in this manual Explain the user how to properly operate the system and what to do in case of problems Show the user what to do for the maintenance of ...

Страница 79: ...iption External protection device activated reeefrigerant leak detection Malfunction of indoor unit PCB Drain level control system abnormality Malfunction of freezing protection High pressure control in heating freeze up protection control in cooling Malfunction of fan motor Malfunction of swing flap motor Malfunction of power supply or AC input overcurrent Malfunction of electronic expansion valv...

Страница 80: ...nit 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 Units MUST be treated at a specialised treatment facility for reuse recycling and recovery ...

Страница 81: ...the 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 Connection Protective earth screw Connector A Rectifier Earth Relay connector Field wiring Short circuit connector Fuse Terminal INDOOR Indoor unit Terminal strip OUTDOOR Outdoor unit Wire clamp Res...

Страница 82: ...ode 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 Stepper motor M C Compressor motor M F Fan motor M P Drain pump motor M S Swing motor MR MRCW MRM MRN Magnetic relay N Neutral n N Number of passes through ferrite core PAM Pulse amplitude modulation PCB...

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 METAL Terminal strip fixed plate T R Transformer TC TRC Transmitter V R V Varistor V R Diode bridge Insulated gate bipolar transistor IGBT power module WRC Wireless remote controller X Terminal X M Termi...

Страница 84: ...uired 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 manual specified for a certain product or application explaining how to operate it Accessories Labels manuals information sheets and equipment that are delivered with the product and that need to be insta...

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