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Daikin LRLEQ3BY1 [35/44] Disposal
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12 Disposal
Installer and user reference guide
35
LRMEQ+LRLEQ3+4BY1
Air-cooled refrigeration condensing unit
4P500362-1A – 2018.09
Code Description Criteria Times of
retry
Output signal Cause Solution
3‑sensor error When 3 or more sensors detect abnormality 0 Warning
▪
Faulty connection of sensor
▪
Defective sensor or outdoor unit PCB
▪
Connect the sensor properly
▪
Replace defective component
High pressure switch failure No continuity of high pressure switch 0 Warning
▪
Faulty connection of switch
▪
Defective swith or outdoor unit PCB
▪
Connect the switch properly
▪
Replace defective component
Outdoor fan motor signal failure Abnormal position of signal of 1 fan motor 4 Caution
▪
Abnormal fan motor signal (circuit
error)
▪
Broken, short, or disconnected
connector of fan motor connection
cable
▪
Defective inverter PCB
▪
Ensure correct connection
▪
Replace the fan motor
▪
Replace the inverter PCB
Abnormal position of signal of 2 fan motors 4 Warning
Outdoor air thermistor failure Open circuit or shortcircuit 0 Caution
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Discharge thermistor failure Open circuit or shortcircuit 0 Warning
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Suction thermistor failure Open circuit or shortcircuit 0 Caution
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Heat exchanger inlet thermistor
failure
Open circuit or shortcircuit 0 Warning
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Heat exchanger outlet thermistor
failure
Open circuit or shortcircuit 0 Warning
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
High pressure sensor failure Open circuit or shortcircuit 0 Caution
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Low pressure sensor failure Open circuit or shortcircuit 0 Warning
▪
Faulty connection of sensor
▪
Defective sensor
▪
Connect the sensor properly
▪
Replace defective component
Inverter PCB malfunction IGBT error 0 Warning
▪
Defective inverter PCB
▪
Check for external causes (e.g. EMI
noise), or replace the inverter PCB.
Radiation fin temperature rise 93°C 9 Warning
▪
Fin temperature rise because of
inverter malfunction
▪
Fin temperature rise because of short
circuit
▪
Fin thermistor malfunction
▪
Remove any obstacles that block the
passage of air to the outdoor unit
▪
Check connection on PCB
▪
Replace defective component
Inverter compressor
instantaneous overcurrent
— 9 Warning — —
Inverter compressor overcurrent ≥16.1A 9 Warning — —
Defective inverter compressor
startup failure
— 4 Warning — —
Transmission error between
control PCB and inverter PCB
Transmission failure between main PCB and
inverter PCB
No limit Caution Defective connection between main and
inverter PCB
Replace defective component
Inverter compressor power
voltage imbalance
— 9 Warning Unbalanced power supply voltage Check if power supply is within range
Radiation fin thermistor Radiation fin thermistor open circuit or short
circuit
No limit Caution Defective radiation fin thermistor, inverter
PCB, inverter compressor, or fan motor
Replace defective component
Reversed phase / Open phase Reversed phase or open phase 0 Warning Faulty connection of phase order to power
supply terminal X1M
Make sure the phase order to X1M is ok
Inverter compressor abnormal
power voltage
— 9 Warning Insufficient power supply voltage Make sure there is sufficient power supply
voltage
12 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.
Содержание
- Air cooled refrigeration condensing unit 1
- Installer and user 1
- Reference guide 1
- About the box 7 2
- About the documentation 6 2
- About the units 8 2
- Commissioning 31 2
- Configuration 28 2
- For the installer 7 2
- General safety precautions 3 2
- Hand over to the user 32 2
- Installation 14 2
- Installer and user reference guide 2
- Maintenance and service 33 2
- Preparation 9 2
- Table of contents 2
- Troubleshooting 33 2
- About the documentation 3
- About the system 40 3
- Before operation 40 3
- Disposal 35 3
- Disposal 42 3
- Energy saving and optimum operation 40 3
- For the user 3
- For the user 40 3
- General safety precautions 3
- Glossary 42 3
- Maintenance and service 40 3
- Meaning of warnings and symbols 3
- Operation 40 3
- Relocation 42 3
- Technical data 36 3
- Troubleshooting 41 3
- For the installer 4
- General 4
- General safety precautions 4
- Installation site 4
- Refrigerant 4
- Electrical 5
- General safety precautions 5
- About the documentation 6
- About this document 6
- About the box 7
- For the installer 7
- Outdoor unit 7
- Overview about the box 7
- To handle the outdoor unit 7
- To remove the accessories from the outdoor unit 7
- To remove the transportation stay 7
- To unpack the outdoor unit 7
- 10 n m 8
- About the indoor units 8
- About the outdoor unit 8
- About the units 8
- C b d a 8
- Combining units and options 8
- Identification 8
- Identification label outdoor unit 8
- Overview about the units 8
- Possible options for the outdoor unit 8
- System layout 8
- A b c g a b e f a b d 9
- About reusing existing indoor heat exchangers 9
- Installation site requirements of the outdoor unit 9
- Overview preparation 9
- Preparation 9
- Preparing the installation site 9
- Additional installation site requirements of the outdoor unit in cold climates 10
- Preparation 10
- About reusing existing piping 11
- About safety against refrigerant leaks 11
- About the maximum concentration level 11
- Preparation 11
- Preparing refrigerant piping 11
- Securing safety against refrigerant leaks 11
- To check the maximum concentration level 11
- A a piping between outdoor unit and piping branching 12
- B c b c piping between piping branching 12
- Preparation 12
- Refrigerant piping material 12
- Refrigerant piping requirements 12
- To select the piping size 12
- D f d f piping between piping branching and indoor unit 13
- Preparation 13
- Preparing electrical wiring 13
- Refrigerant piping length and height difference 13
- Safety device requirements 13
- To select refrigerant branch kits 13
- To select the expansion valve 13
- About mounting the outdoor unit 14
- About opening the units 14
- Installation 14
- Mounting the outdoor unit 14
- Opening the units 14
- Overview installation 14
- Precautions when mounting the outdoor unit 14
- To open the outdoor unit 14
- About connecting the refrigerant piping 15
- Connecting the refrigerant piping 15
- Installation 15
- Precautions when connecting the refrigerant piping 15
- To install the outdoor unit 15
- To prevent the outdoor unit from falling over 15
- To provide the installation structure 15
- A b c d e 16
- Installation 16
- Pipe bending guidelines 16
- To braze the pipe end 16
- To handle the stop valve 16
- To open the stop valve 16
- Using the stop valve and service port 16
- A b b c 17
- Installation 17
- Tightening torques 17
- To close the stop valve 17
- To handle the service port 17
- To handle the stop valve cover 17
- To remove the pinched pipes 17
- Guidelines when installing a dryer 18
- Guidelines when installing a sight glass 18
- Installation 18
- To connect the refrigerant piping to the outdoor unit 18
- B a 4 ø6 mm 19
- D e1 e f 19
- Guidelines when connecting piping branching 19
- Installation 19
- About checking the refrigerant piping 20
- Checking refrigerant piping general guidelines 20
- Checking refrigerant piping setup 20
- Checking the refrigerant piping 20
- Installation 20
- To perform a leak test 20
- About charging refrigerant 21
- Charging refrigerant 21
- Installation 21
- Precautions when charging refrigerant 21
- To check for leaks pressure leak test 21
- To check for leaks vacuum leak test 21
- To insulate the refrigerant piping 21
- To perform vacuum drying 21
- Installation 22
- To charge refrigerant 22
- To determine the additional refrigerant amount 22
- Installation 23
- About connecting the electrical wiring 24
- Connecting the electrical wiring 24
- D111889 24
- Error codes when charging refrigerant 24
- Field wiring overview 24
- Installation 24
- To fix the fluorinated greenhouse gases label 24
- Installation 25
- Precautions when connecting the electrical wiring 25
- Guidelines when connecting the electrical wiring 26
- Guidelines when knocking out knockout holes 26
- Installation 26
- To connect the electrical wiring on the outdoor unit 26
- A b a b 27
- A b c d 27
- Installation 27
- A b c d e 28
- About making field settings 28
- Configuration 28
- Field setting components 28
- Finishing the outdoor unit installation 28
- Making field settings 28
- Overview configuration 28
- To access the field setting components 28
- To close the outdoor unit 28
- Bs1 5 s 29
- Bs2 x b 29
- Bs3 1 c 29
- Bs3 1 d 29
- Configuration 29
- To access mode 1 or 2 29
- To use mode 1 29
- To use mode 2 29
- Configuration 30
- Mode 1 and default situation monitoring settings 30
- Mode 2 field settings 30
- Checklist before commissioning 31
- Commissioning 31
- Overview commissioning 31
- Precautions when commissioning 31
- To connect the pc configurator to the outdoor unit 31
- About the test run 32
- Checklist during commissioning 32
- Correcting after abnormal completion of the test run 32
- Hand over to the user 32
- Operating the unit 32
- To perform a test run 7 leds display 32
- Checklist for yearly maintenance of the outdoor unit 33
- Maintenance and service 33
- Maintenance safety precautions 33
- Overview maintenance and service 33
- Overview troubleshooting 33
- Precautions when troubleshooting 33
- To prevent electrical hazards 33
- Troubleshooting 33
- 14 latest malfunction 34
- 15 2nd last malfunction 34
- 16 3rd last malfunction 34
- Action display 34
- After solving the problem reset the malfunction by turning off and on the operation switch and retry operation 34
- Air cooled refrigeration condensing unit 34
- Danger risk of burning 34
- Danger risk of electrocution 34
- Display the first character of the error code 34
- Display the second character of the error code 34
- Error codes overview 34
- Information 34
- Installer and user reference guide 34
- Lrmeq lrleq3 4by1 34
- P500362 1a 2018 9 34
- Possible characters 34
- Possible malfunctions 34
- Prevent hazards due to inadvertent resetting of the thermal cut out power to this appliance must not be supplied through an external switching device such as a timer or connected to a circuit that is regularly turned on and off by the utility 34
- Quit mode 1 bs1 1 34
- Select a malfunction 34
- Select mode 1 bs1 1 34
- Solving problems based on error codes 34
- Start from the default situation 34
- To display the error codes of the latest malfunctions 34
- Troubleshooting 34
- Warning 34
- When a malfunction occurs x3m outputs a caution c c1 or warning c w1 signal and the h2p led on the main pcb lights up 34
- X depends on the setting that you want to select 34
- You can display the error codes of the 3 latest malfunctions by using the push buttons and 7 leds display see 7 field setting components on page 28 error codes consist of 2 characters example e3 34
- Disposal 35
- 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 35
- Installer and user reference guide 35
- Lrmeq lrleq3 4by1 air cooled refrigeration condensing unit 4p500362 1a 2018 9 35
- Notice 35
- 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 extranet authentication required 36
- Service space outdoor unit 36
- Single unit single row of units 36
- Technical data 36
- When mounting units side by side the piping route must be to the front to the back or downwards in this case the piping route to the side is not possible when mounting the units side by side and routing the piping to the back you must keep a distance of 250 mm between the units instead of 100 mm as shown on the figures below 36
- Multiple rows of units 37
- Stacked units max 2 levels 37
- Technical data 37
- Piping diagram outdoor unit 38
- Technical data 38
- Technical data 39
- Wiring diagram outdoor unit 39
- About operating the system 40
- About the system 40
- Before operation 40
- C b d a 40
- Energy saving and optimum operation 40
- For the user 40
- Maintenance and service 40
- Operating the system 40
- Operation 40
- Operation range 40
- System layout 40
- About the refrigerant 41
- After sales service and warranty 41
- Maintenance after a long stop period 41
- Recommended maintenance and inspection 41
- Troubleshooting 41
- Warranty period 41
- Disposal 42
- Glossary 42
- Relocation 42
- Symptom dust comes out of the unit 42
- Symptom noise outdoor unit 42
- Symptom the outdoor unit fan does not spin 42
- Symptom the system does not operate 42
- Symptom the unit does not stop immediately when operation is stopped 42
- Symptoms that are not system malfunctions 42
- Glossary 43
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