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Summary of Contents for Daikin BEV2
- Page 1 Installer reference guide CO₂ Conveni-Pack: BEV2 unit BEV2N112A7V1B...
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Page 2: Table Of Contents
About connecting the electrical wiring .......................... 26 8.1.1 Precautions when connecting the electrical wiring..................26 8.1.2 Guidelines when connecting the electrical wiring..................27 To connect the electrical wiring to the BEV2 unit......................28 9 Commissioning Checklist before commissioning............................. 31 10 Disposal 11 Technical data 11.1... -
Page 3: 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 4: 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: BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 5: 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 6: Installation Site
See the installation manual or installer reference guide of your application for more information. NOTICE Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... - Page 7 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. ▪ Open refrigerant cylinders slowly. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 8: Electrical
MUST be as such that the current-carrying wires are tautened before the earth wire is in case the power supply is pulled loose from the stress relief. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... - Page 9 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. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 10: Specific Installer Safety Instructions
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. - Page 11 WARNING Keep the interconnection wiring away from copper pipes without thermal insulation as such pipes will be very hot. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
- Page 12 Specific installer safety instructions "9 Commissioning" [ 31]) Commissioning (see WARNING Make sure that the service cover is closed after completing the installation of the indoor unit, BEV2 unit, and outdoor unit. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 13: About The Box
4.2 To remove the accessories 1× 6× 4× 2× a BEV unit installation manual b Tie wrap (short) c Tie wrap (long) d Insulation for fitting BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 14: About The Unit
About the unit 5 About the unit INFORMATION The BEV2 unit is an extension for the indoor unit containing external expansion valves. It is mandatory for some units using CO2 refrigerant; see the Daikin catalogue for combinations. 5.1 System layout INFORMATION The following illustration is an example and might NOT match your system layout. -
Page 15: Compatibility
About the unit 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. -
Page 16: Unit Installation
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 and light industrial environment. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... - Page 17 Spacing. Mind the following requirements: ≥250 ≥250 (mm) a Outdoor unit side b Indoor units side ▪ Service space. Be sure to install the inspection door at the control box side. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 18: Additional Installation Site Requirements For Co₂ Refrigerant
Inspection door 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. -
Page 19: To Mount The Unit
3 Remove the top panel (4 screws). 4 Remove the coil cover (1 screw). 5 Change the pull out direction of the wire (motorised valve coil) between the unit body and the control box. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... - Page 20 2 washers (for M8: outside diameter 24~28 mm, for M10: outside diameter 30~34 mm) in 4 locations. (mm) a1 Nut (field supply) a2 Double nut (field supply) b Washer (field supply) c Hanger bracket d Suspension bolt (field supply) e Unit BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 21: Piping Installation
▪ Outdoor unit to refrigeration indoor units: on liquid piping ▪ Outdoor unit to air conditioning indoor units: on liquid piping AND gas piping BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 22: Refrigerant Piping Insulation
Typical workflow Connecting the refrigerant piping involves: ▪ Connecting the refrigerant piping to the indoor unit ▪ Connecting the refrigerant piping to the outdoor unit ▪ Insulating the refrigerant piping BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 23: Precautions When Connecting The Refrigerant Piping
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 caution when passing copper tubes through walls (see figure below). BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 24: Guidelines When Connecting The Refrigerant Piping
Only 1 indoor unit may be connected to each BEV2 unit. ▪ This chapter describes only the connection procedure to the BEV2 unit. For the connection procedure of the indoor or outdoor unit, refer to the installation manual of the indoor or outdoor unit. - Page 25 ▪ Expanding of pipes is NOT allowed. 1 Insert the field pipe into the piping on the BEV2 unit side. 2 Connect refrigerant piping to the unit using only brazed 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.
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Page 26: Electrical Installation
Precautions when connecting the electrical wiring ....................8.1.2 Guidelines when connecting the electrical wiring ....................To connect the electrical wiring to the BEV2 unit ......................... 8.1 About connecting the electrical wiring Before connecting the electrical wiring Make sure the refrigerant piping is connected and checked. -
Page 27: Guidelines When Connecting The Electrical Wiring
Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool. a Stranded conductor wire b Round crimp-style terminal a Round crimp-style terminal b Cut-out section c Cup washer BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 28: To Connect The Electrical Wiring To The Bev2 Unit
▪ 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). - Page 29 X70A a Transmission cable feed-through hole b Transmission cable (indoor unit accessory) c Jumper d X70A connector e Faston connector f Power supply feed-through hole g Power supply cable BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
- Page 30 Electrical installation Connection to the BEV2 unit 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 Control box IN/D OUT/D F1 F2 F1 F2...
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Page 31: Commissioning
9 Commissioning WARNING Make sure that the service cover is closed after completing the installation of the indoor unit, BEV2 unit, and outdoor unit. INFORMATION Refer to the installation manuals provided with the indoor and outdoor units for the commissioning of the system. -
Page 32: Disposal
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. BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10... -
Page 33: Technical Data
Technical data 11 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). 11.1 Wiring diagram 11.1.1 Unified wiring diagram legend... - Page 34 Pulse-amplitude modulation PCB* Printed circuit board Power module Switching power supply PTC* PTC thermistor Insulated gate bipolar transistor (IGBT) Circuit breaker Q*DI, KLM Earth leak circuit breaker Overload protector BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
- Page 35 Diode bridge, Insulated-gate bipolar transistor (IGBT) power module Wireless remote controller Terminal Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter BEV2N-A Installer reference guide CO₂ Conveni-Pack: BEV2 unit 4P677928-1 – 2021.10...
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Page 36: 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 40 4P677928-1 2021.10 Verantwortung für Energie und Umwelt...
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