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Daikin LRYEN10A7Y1 [8/44] About the system
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4 About the system
Installation and operation manual
8
LRYEN10A7Y1+LRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit and capacity up unit
4P605461-1B – 2020.08
WARNING
The R744 refrigerant (CO
2
) inside the
unit is odourless, non-flammable and
normally does NOT leak.
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.
Do NOT use the unit until a service
person confirms that the part from
which the refrigerant leaked has been
repaired.
Troubleshooting (see "7Troubleshooting"[49])
WARNING
Stop operation and shut off the
power if anything unusual occurs
(burning smells etc.).
Leaving the unit running under such
circumstances may cause breakage,
electric shock or fire. Contact your
dealer.
4 About the system
The indoor units can be used for heating/cooling and refrigerating
applications. The type of indoor units which can be used depends on
the outdoor units series.
WARNING
Do NOT modify, disassemble, remove, reinstall or repair
the unit yourself as incorrect dismantling or installation may
cause an electric shock or fire. Contact your dealer.
NOTICE
Do NOT use the system for other purposes. In order to
avoid any quality deterioration, do NOT use the unit for
cooling precision instruments or works of art.
NOTICE
Do NOT use the system for cooling water. It may freeze.
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.
4.1 System layout
INFORMATION
The following illustration is an example and might NOT
match your system layout.
ab
e e
d c
f
h
i
j
k
h
l
i
j
k
l
g
a Main outdoor unit (LRYEN10*)
b Capacity up unit (LRNUN5*)
c Communication box (BRR9B1V1)
d Fan (indoor unit for air conditioning)
e Showcase (indoor unit for refrigeration)
f Blower coil (indoor unit for refrigeration)
g Safety valve
h CO
2
control panel
i CO
2
detector
j CO
2
alarm
k CO
2
ventilator
l Shut off valve
5 Operation
5.1 Operation range
Use the system in the following temperature ranges for safe and
effective operation.
Refrigeration A/C cooling A/C heating
Outdoor
temperature
–20~43°CDB –5~43°CDB –20~16°CWB
Indoor
temperature
— 14~24°CWB 15~27°CDB
5.2 Design pressure
Always keep the following design pressures in mind:
Содержание
- Co ₂ conveni pack outdoor unit and capacity up unit 1
- Installation and operation manual 1
- Lryen10a7y1 lrnun5a7y1 1
- B1 b2 b3 2
- C1 c2 c3 2
- Installation and operation manual 2
- About the box 10 3
- About the documentation 3
- About the documentation 3 3
- About the system 8 3
- About the units and options 11 3
- About this document 3
- Authorised installers end users 3
- Charging refrigerant 31 3
- Commissioning 34 3
- Configuration 33 3
- Disposal 10 3
- Electrical installation 25 3
- For the installer 10 3
- For the user 5 3
- Maintenance and service 9 3
- Operation 8 3
- Piping installation 17 3
- Relocation 10 3
- Specific installer safety instructions 4 3
- Table of contents 3
- Target audience 3
- Technical data 40 3
- Troubleshooting 37 3
- Troubleshooting 9 3
- Unit installation 13 3
- User safety instructions 5 3
- Specific installer safety instructions 4
- For the user 5
- User safety instructions 5
- General 6
- Instructions for safe operation 6
- About the system 8
- Design pressure 8
- Do not use the unit until a service person confirms that the part from which the refrigerant leaked has been repaired 8
- 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 8
- Inside the unit is odourless non flammable and normally does not leak 8
- Leaving the unit running under such circumstances may cause breakage electric shock or fire contact your dealer 8
- Operation 8
- Operation range 8
- Stop operation and shut off the power if anything unusual occurs burning smells etc 8
- System layout 8
- The r744 refrigerant c 8
- Warning 8
- About the refrigerant 9
- Maintenance and service 9
- Recommended maintenance and inspection 9
- Troubleshooting 9
- About the box 10
- Disposal 10
- Error codes overview 10
- For the installer 10
- Outdoor unit 10
- Relocation 10
- To handle the outdoor unit 10
- To unpack the outdoor unit 10
- About the outdoor unit 11
- About the units and options 11
- To remove the accessories from the outdoor unit 11
- About the units and options 12
- Labels on outdoor unit 12
- System layout 12
- Warning 12
- Additional installation site requirements for co ₂ refrigerant 13
- Additional installation site requirements for co₂ refrigerant 13
- Additional installation site requirements of the outdoor unit in cold climates 13
- Indoor unit constraints 13
- Installation site requirements of the outdoor unit 13
- Preparing the installation site 13
- Unit installation 13
- Appropriate measures 14
- Opening and closing the unit 14
- To determine the minimum number of appropriate measures 14
- To open the outdoor unit 14
- Unit installation 14
- To close the outdoor unit 15
- To open the electrical component box of the outdoor unit 15
- Unit installation 15
- Mounting the outdoor unit 16
- To provide the installation structure 16
- Unit installation 16
- Piping installation 17
- Preparing refrigerant piping 17
- Refrigerant piping material 17
- Refrigerant piping requirements 17
- To install the outdoor unit 17
- To provide drainage 17
- Piping installation 18
- Refrigerant piping length and height difference 18
- To select the piping size 18
- Piping installation 19
- Piping size between branching areas or between first and second branch 19
- Piping size between outdoor unit and first branch 19
- Piping size from branch to indoor unit 19
- Piping installation 20
- Stop valve size 20
- To close the stop valve 20
- To handle the stop valve 20
- To open the stop valve 20
- To select expansion valves for refrigeration 20
- To select refrigerant branch kits 20
- Using stop valves and service ports 20
- Piping installation 21
- Tightening torques 21
- To close the service port 21
- To handle the service port 21
- To open the service port 21
- Connecting the refrigerant piping 22
- Piping installation 22
- To connect the refrigerant piping to the outdoor unit 22
- To remove the spun pipes 22
- Guidelines to connect t joints 23
- Guidelines to install a dryer 23
- Guidelines to install safety valves 23
- Piping installation 23
- Checking refrigerant piping setup 24
- Checking the refrigerant piping 24
- Insulating the refrigerant piping 24
- Piping installation 24
- To perform a leak test 24
- To perform vacuum drying 24
- About electrical compliance 25
- Electrical installation 25
- Electrical installation 26
- Field wiring overview 26
- Electrical installation 27
- Guidelines when connecting the electrical wiring 27
- Guidelines when knocking out knockout holes 27
- Specifications of standard wiring components 27
- Connections to the outdoor unit 28
- Electrical installation 28
- Low voltage wiring outdoor unit 28
- Connections to the capacity up unit 29
- Electrical installation 29
- High voltage wiring outdoor unit 29
- Electrical installation 30
- High voltage wiring capacity up unit 30
- Low voltage wiring capacity up unit 30
- Charging refrigerant 31
- Precautions when charging refrigerant 31
- Charging refrigerant 32
- To charge refrigerant 32
- To determine additional refrigerant amount 32
- About making field settings 33
- Configuration 33
- Field setting components 33
- Making field settings 33
- To access mode 1 or 2 33
- To access the field setting components 33
- Bs1 5 s 34
- Checklist before commissioning 34
- Commissioning 34
- Precautions when commissioning 34
- About the test run 35
- Commissioning 35
- Test run checks 35
- To perform a test run 7 segment display 35
- Bs1 bs2 bs3 36
- Commissioning 36
- Correcting after abnormal completion of the test run 36
- Logbook 36
- Error codes overview 37
- Solving problems based on error codes 37
- Troubleshooting 37
- Troubleshooting 38
- Troubleshooting 39
- 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 40
- Piping diagram outdoor unit 40
- Technical data 40
- Piping diagram capacity up unit 41
- Technical data 41
- Technical data 42
- Wiring diagram outdoor unit 42
- Technical data 43
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