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General safety precautions

Installer reference guide

BEV2N-A

CO₂ Conveni-Pack: BEV2 unit

4P677928-1 – 2021.10

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.

2.1.1 Meaning of warnings and symbols

DANGER

Indicates a situation that results in death or serious injury.

DANGER: RISK OF ELECTROCUTION

Indicates a situation that could result in electrocution.

DANGER: RISK OF BURNING/SCALDING

Indicates a situation that could result in burning/scalding because of extreme hot or
cold temperatures.

DANGER: RISK OF EXPLOSION

Indicates a situation that could result in explosion.

WARNING

Indicates a situation that could result in death or serious injury.

WARNING: FLAMMABLE MATERIAL

CAUTION

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:

Содержание BEV2

Страница 1: ...Installer reference guide CO Conveni Pack BEV2 unit BEV2N112A7V1B ...

Страница 2: ... for CO refrigerant 18 6 2 Mounting the unit 18 6 2 1 Guidelines when installing the unit 18 6 2 2 To mount the unit 19 7 Piping installation 21 7 1 Preparing refrigerant piping 21 7 1 1 Refrigerant piping requirements 21 7 1 2 Refrigerant piping insulation 22 7 2 Connecting the refrigerant piping 22 7 2 1 About connecting the refrigerant piping 22 7 2 2 Precautions when connecting the refrigerant...

Страница 3: ...ment 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 Installation manual Installation instructions Format Paper supplied in the kit Installer reference guide Preparation of the installation good practices reference data Format Digital files on http www daikineu...

Страница 4: ... 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 WARNING I...

Страница 5: ... 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 could result ...

Страница 6: ...g 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 following p...

Страница 7: ...y 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 pressure y...

Страница 8: ...ake 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 unit to a ...

Страница 9: ...r 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 securely Mak...

Страница 10: ...structions 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 CAUTION Appliance NOT accessible to the general public install it in a secured area protected from easy access This unit both indoor and outdoor is suitable for installation in a commercial a...

Страница 11: ... may cause electrical shock Install the required fuses or circuit breakers Secure the electrical wiring with cable ties so that the cables do NOT come into contact with sharp edges or piping particularly on the high pressure side Use the included cables in the box of the indoor unit and make sure that there is no strain on the terminal connections or wires Improper connections or improper securing...

Страница 12: ...aller reference guide 12 BEV2N A CO Conveni Pack BEV2 unit 4P677928 1 2021 10 Commissioning see 9 Commissioning 431 WARNING Make sure that the service cover is closed after completing the installation of the indoor unit BEV2 unit and outdoor unit ...

Страница 13: ...unit Use a sling of soft material or protective plates together with a rope when lifting the unit in order to avoid damage or scratches to the unit 1 Lift the unit 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 4 2 To remove the accessories 4 2 6 1 b c d a a BEV unit installation manual b Tie...

Страница 14: ...catalogue for combinations 5 1 System layout INFORMATION The following illustration is an example and might NOT match your system layout a b f f d e c g i j k l i m j k l m h a Main outdoor unit LRYEN10 b Capacity up unit LRNUN5 c Communication box BRR9B1V1 d BEV2 unit e Indoor unit for air conditioning f Indoor unit for refrigeration showcase g Indoor unit for refrigeration blower coil h Safety v...

Страница 15: ...ngth 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 difference between the indoor unit and the BEV2 unit is 0 5 m 5 2 Compatibility Combine the EV unit BEV2N112A7V1B with the following indoor units FXFN50A2VEB FXFN71A2VEB FXFN112A2VEB For a full list of compatible units refer to the option...

Страница 16: ...irements of the unit 16 6 1 2 Additional installation site requirements for CO refrigerant 18 6 2 Mounting the unit 18 6 2 1 Guidelines when installing the unit 18 6 2 2 To mount the unit 19 6 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 a...

Страница 17: ...in the following places In places where a mineral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fall off or cause water leakage Sound sensitive areas e g near a bedroom so that the operation noise will cause no trouble It is NOT recommended to install the unit in the following places because it may shorten the life of the unit Where the voltage fluctua...

Страница 18: ...ments for CO refrigerant INFORMATION For units using R744 refrigerant additional installation site requirements apply For more information see the reference guide or installation manual of the indoor unit 6 2 Mounting the unit 6 2 1 Guidelines when installing the unit Orientation of the unit Install the unit according to labels on the sides of the unit TO ODU facing the outdoor unit and TO IDU fac...

Страница 19: ...Anchor c Long nut or turnbuckle d Suspension bolt e Hanger bracket 6 2 2 To mount the unit Changing the installation position of the control box Prerequisite The position of the control box can be changed if necessary 180 2 1 4 7 3 8 6 9 10 a b c d b a 5 5 b e e e b e f f f f a Control box lid b Control box c Top panel d Coil cover e Wire clip f Tie wrap 1 Remove the control box lid 2 screws 2 Rem...

Страница 20: ...new position 2 screws 10 Reinstall the control box cover in the new position Mount the indoor unit on the suspension bolts 1 Attach the hooks to the suspension bolts Be sure to use 3 nuts M8 M10 in 4 locations 2 washers for M8 outside diameter 24 28 mm for M10 outside diameter 30 34 mm in 4 locations mm a1 c e 10 15 b b a2 d a1 Nut field supply a2 Double nut field supply b Washer field supply c Ha...

Страница 21: ... 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 pressure containing parts shall be su...

Страница 22: ...h a heat transfer rate between 0 041 and 0 052 W mK 0 035 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 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 t...

Страница 23: ...65 fittings NOTICE Take the following precautions on refrigerant piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R744 CO when adding refrigerant Only use installation tools e g manifold gauge set that are exclusively used for R744 CO installations to withstand the pressure and to prevent foreign materials e g mineral oils a...

Страница 24: ... extremely harmful influence on refrigerant piping systems E g if a chlorine based flux is used it will cause pipe corrosion or in particular if the flux contains fluorine it will deteriorate the refrigerant oil Always protect the surrounding surfaces e g using insulation foam against heat when brazing 7 2 4 To connect the refrigerant piping to the indoor unit CAUTION Install the refrigerant pipin...

Страница 25: ...zed connections NOTICE When brazing place a wet cloth on the insulation attached on the unit a and make sure the temperature does not exceed 200 C a d c b e a BEV2 unit b Piping on the BEV2 unit side c Insulation attached on the unit d Brazed connection e Field piping 3 Insulate the refrigerant piping on the BEV2 unit as follows b 3 a c d e f a b b b c e 2 1 3 1 2 a Insulation material field suppl...

Страница 26: ...l 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 Connection the electrical wiring to the BEV2 unit 5 Connecting the main power supply 8 1 1 Precautions when...

Страница 27: ...cause overheating electrical shock or fire Following symbols may occur on the indoor unit Symbol Explanation Measure the voltage at the terminals of main circuit capacitors or electrical components before servicing 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...

Страница 28: ...minal cable M4 1 52 1 86 The earth wire between the wire retainer and the terminal must be longer than the other wires 8 2 To connect the electrical wiring to the BEV2 unit NOTICE Follow the wiring diagram delivered with the unit located at the inside of the service cover For instructions on how to connect the optional equipment see the installation manual delivered with the optional equipment Mak...

Страница 29: ...e to connector X70A Connect the cable to connector X2A on the BEV unit PCB Fix the cable with a small tie wrap accessory 3 Connect the power supply cable Take the power supply cable from the accessories of the indoor unit and route the cable through the frames of both units Connect the end of the cable with the faston connectors to the indoor unit terminal Connect the other side of the power suppl...

Страница 30: ...unit c c a f d d b c e c g a Transmission cable b Power supply cable c Tie wrap accessory d Wiring feed through hole e X2A connector f Power supply terminal g Earth Wiring example X2A X70A L L N N P1P2 F1F2 T1T2 P1P2 F1 F2 F1 F2 b c d a N L IN D OUT D Control box a Outdoor unit control box b Indoor unit c BEV2 unit d User interface ...

Страница 31: ...s properly installed to avoid abnormal noises and vibrations when starting up the unit The indoor unit is properly mounted The outdoor unit is properly mounted The refrigerant pipes 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 fuse...

Страница 32: ...928 1 2021 10 10 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 33: ...ering 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 Residual current devi...

Страница 34: ...ght 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 Printed c...

Страница 35: ...w 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 Terminal strip ...

Страница 36: ...ice 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 installed accor...

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