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6 Operation
Installation and operation manual
8
RXYTQ8~16U7YF
VRV IV+ heat pump for high ambient temperatures
4P546223-1B – 2020.10
Cooling operation
1
1
Heating operation
1
1
Fan only operation
1
2 Press the ON/OFF button on the user interface.
Result: The operation lamp lights up and the system starts
operating.
To stop
3 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops
operating.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
To adjust
For programming temperature, fan speed and air flow direction refer
to the operation manual of the user interface.
6.3 Using the dry program
6.3.1 About the dry program
▪ The function of this program is to decrease the humidity in your
room with minimal temperature decrease (minimal room cooling).
▪ The micro computer automatically determines temperature and
fan speed (cannot be set by the user interface).
▪ The system does not go into operation if the room temperature is
low (<20°C).
6.3.2 To use the dry program (WITHOUT cool/
heat changeover remote control switch)
To start
1 Press the operation mode selector button on the user interface
several times and select (program dry operation).
2 Press the ON/OFF button of the user interface.
Result: The operation lamp lights up and the system starts
operating.
3 Press the air flow direction adjust button (only for double-flow,
multi-flow, corner, ceiling-suspended and wall-mounted). Refer
to "6.4Adjusting the air flow direction"[48] for details.
To stop
4 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops
operating.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
6.3.3 To use the dry program (WITH cool/heat
changeover remote control switch)
To start
1 Select cooling operation mode with the cool/heat changeover
remote control switch.
1
1
2 Press the operation mode selector button on the user interface
several times and select (program dry operation).
3 Press the ON/OFF button of the user interface.
Result: The operation lamp lights up and the system starts
operating.
4 Press the air flow direction adjust button (only for double-flow,
multi-flow, corner, ceiling-suspended and wall-mounted). Refer
to "6.4Adjusting the air flow direction"[48] for details.
To stop
5 Press the ON/OFF button on the user interface once again.
Result: The operation lamp goes out and the system stops
operating.
NOTICE
Do not turn off power immediately after the unit stops, but
wait for at least 5 minutes.
6.4 Adjusting the air flow direction
Refer to the operation manual of the user interface.
6.4.1 About the air flow flap
Double flow+multi-flow units
Corner units
Ceiling suspended units
Wall-mounted units
For the following conditions, a micro computer controls the air flow
direction which may be different from the display.
Cooling Heating
▪ When the room temperature is
lower than the set
temperature.
▪ When starting operation.
▪ When the room temperature is
higher than the set
temperature.
▪ At defrost operation.
▪ When operating continuously at horizontal air flow direction.
▪ When continuous operation with downward air flow is performed
at the time of cooling with a ceiling-suspended or a wall-mounted
unit, the micro computer may control the flow direction, and then
the user interface indication will also change.
Содержание
- Installation and operation manual 1
- Vrv iv heat pump for high ambient temperatures 1
- About the box 12 2
- About the documentation 3 2
- About the system 6 2
- About the units and options 13 2
- Disposal 12 2
- Electrical installation 26 2
- For the installer 12 2
- For the user 4 2
- Installation and operation manual 2
- Maintenance and service 9 2
- Operation 7 2
- Piping installation 15 2
- Relocation 12 2
- Specific installer safety instructions 3 2
- Table of contents 2
- Troubleshooting 10 2
- Unit installation 13 2
- User interface 7 2
- User safety instructions 4 2
- A subset of the latest technical data is available on the regional 3
- About the documentation 3
- About this document 3
- Always observe the following safety instructions and regulations 3
- Always recover the refrigerant do not release them directly into the environment use a vacuum pump to evacuate the installation 3
- And manuals product information 3
- Appliance not accessible to the general public install it in a secured area protected from easy access 3
- Authorised installers end users 3
- Business portal authentication required 3
- Can lead to oxygen deficiency 3
- Caution 3
- Commissioning 31 3
- Configuration 28 3
- Daikin website publicly accessible 3
- Danger risk of burning scalding 3
- Danger risk of electrocution 3
- Detailed step by step instructions and background information 3
- Disposal 40 3
- Do not leave the unit unattended when the service cover is removed 3
- Documentation set 3
- Environment 3
- Excessive refrigerant concentrations in a closed room 3
- Excessive refrigerant concentrations in a closed room can lead to oxygen deficiency 3
- For basic and advanced usage 3
- Format digital files on http www daikineurope com support 3
- Format paper in the box of the outdoor unit 3
- General safety precautions 3
- Hand over to the user 33 3
- Information 3
- Installation and operation instructions 3
- Installer and user reference guide 3
- Into contact with fire 3
- Latest revisions of the supplied documentation may be available on the regional daikin website or via your dealer 3
- Outdoor unit installation and operation manual 3
- Preparation of the installation reference data 3
- Safety instructions that you must read before installing 3
- Specific installer safety instructions 3
- Take sufficient precautions in case of refrigerant leakage if refrigerant gas leaks ventilate the area immediately possible risks 3
- Target audience 3
- Tear apart and throw away plastic packaging bags so that nobody especially children can play with them possible risk suffocation 3
- Technical data 36 3
- Technical engineering data 3
- The full set of latest technical data is available on the daikin 3
- The original documentation is written in english all other languages are translations 3
- This appliance is intended to be used by expert or trained users in shops in light industry and on farms or for commercial use by lay persons 3
- This document is part of a documentation set the complete set consists of 3
- This unit both indoor and outdoor is suitable for installation in a commercial and light industrial 3
- Toxic gas might be produced if refrigerant gas comes 3
- Troubleshooting 33 3
- Warning 3
- For the user 4
- User safety instructions 4
- General 5
- Instructions for safe operation 5
- About the system 6
- About cooling heating fan only and automatic operation 7
- About operating the system 7
- About the heating operation 7
- Operating the system 7
- Operation 7
- Operation range 7
- System layout 7
- To operate the system with cool heat changeover remote control switch 7
- To operate the system without cool heat changeover remote control switch 7
- User interface 7
- About the air flow flap 8
- About the dry program 8
- Adjusting the air flow direction 8
- Operation 8
- To use the dry program with cool heat changeover remote control switch 8
- To use the dry program without cool heat changeover remote control switch 8
- Using the dry program 8
- About setting the master user interface 9
- About the refrigerant 9
- After sales service and warranty 9
- Maintenance and service 9
- Recommended maintenance and inspection 9
- Setting the master user interface 9
- Warranty period 9
- Error codes overview 10
- Troubleshooting 10
- Symptom cool heat cannot be changed over 11
- Symptom fan operation is possible but cooling and heating do not work 11
- Symptom the fan direction does not correspond to the setting 11
- Symptom the fan speed does not correspond to the setting 11
- Symptom the system does not operate 11
- Symptom the user interface reads u4 or u5 and stops but then restarts after a few minutes 11
- Symptom white mist comes out of a unit indoor unit 11
- Symptom white mist comes out of a unit indoor unit outdoor unit 11
- Symptoms that are not system malfunctions 11
- Troubleshooting 11
- A continuous low hissing sound is heard when the system is in 12
- A continuous low shah sound is heard when the system is in 12
- A hissing sound which is heard at the start or immediately after 12
- A low sah choro choro sound is heard while the indoor unit is 12
- A pishi pishi squeaking sound is heard when the system stops 12
- A zeen sound is heard immediately after the power supply is 12
- About the box 12
- After filling in this table please put it on the switch box cover 12
- After heating operation expansion and contraction of plastic parts caused by temperature change make this noise 12
- Be sure to fill out the blanks which are needed for after sale services 12
- Calculation of additional refrigerant charging amount 12
- Contact your dealer for removing and reinstalling the total unit moving units requires technical expertise 12
- Cooling operation or at a stop when the drain pump optional accessories is in operation this noise is heard 12
- Cooling or defrost operation this is the sound of refrigerant gas flowing through both indoor and outdoor units 12
- Disposal 12
- 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 12
- During operation the speed of the fan is controlled in order to optimise product operation 12
- Economy for refrigerants one of the actions to achieve this is the reuse of reclaimed refrigerant in vrv units produced and sold in europe for more information about the countries that are in scope visit http www daikin eu loop by daikin 12
- Environmental footprint with we want to create a circular 12
- For details concerning piping selection and calculation or how to operate the leak detection function please refer to the installation manual 12
- For the installer 12
- Is part of daikin s wider commitment to reduce our 12
- Make sure that all accessories are available in the unit 12
- Notice 12
- Record for settings contents see installation manual 12
- Record of additional refrigerant charge amount and result of leak check operation 12
- Record of indoor unit model and installation site 12
- Relocation 12
- Several different indoor units are being run on the same system when another unit is running some refrigerant will still flow through the unit 12
- Stopped when another indoor unit is in operation this noise is heard in order to prevent oil and refrigerant from remaining in the system a small amount of refrigerant is kept flowing 12
- Stopping operation or defrost operation this is the noise of refrigerant caused by flow stop or flow change 12
- Symptom dust comes out of the unit 12
- Symptom hot air can be felt when the indoor unit is stopped 12
- Symptom noise of air conditioners indoor unit 12
- Symptom noise of air conditioners indoor unit outdoor unit 12
- Symptom noise of air conditioners outdoor unit 12
- Symptom the compressor in the outdoor unit does not stop after a short heating operation 12
- Symptom the display shows 88 12
- Symptom the inside of an outdoor unit is warm even when the unit has stopped 12
- Symptom the outdoor unit fan does not spin 12
- Symptom the units can give off odours 12
- The unit can absorb the smell of rooms furniture cigarettes etc and then emit it again 12
- This is because the crankcase heater is warming the compressor so that the compressor can start smoothly 12
- This is the case immediately after the main power supply switch is turned on and means that the user interface is in normal condition this continues for 1 minute 12
- This is to prevent refrigerant from remaining in the compressor the unit will stop after 5 to 10 minutes 12
- This unit uses hydrofluorocarbon contact your dealer when discarding this unit 12
- To remove the accessories from the outdoor unit 12
- Turned on the electronic expansion valve inside an indoor unit starts working and makes the noise its volume will reduce in about one minute 12
- When the tone of operating noise changes this noise is caused by the change of frequency 12
- When the unit is used for the first time in a long time this is because dust has gotten into the unit 12
- About the outdoor unit 13
- About the units and options 13
- Accessory pipes diameters 13
- Installation site requirements of the outdoor unit 13
- Preparing the installation site 13
- System layout 13
- To remove the transportation stay 13
- Unit installation 13
- Additional installation site requirements of the outdoor unit in cold climates 14
- Mounting the outdoor unit 14
- Opening the unit 14
- To open the electrical component box of the outdoor unit 14
- To open the outdoor unit 14
- To provide the installation structure 14
- Unit installation 14
- A b c piping between outdoor unit and first refrigerant branch kit 15
- Piping installation 15
- Preparing refrigerant piping 15
- Refrigerant piping requirements 15
- To select the piping size 15
- D piping between refrigerant branch kits 16
- E piping between refrigerant branch kit and indoor unit 16
- Piping installation 16
- To select refrigerant branch kits 16
- Connecting the refrigerant piping 17
- Multiple outdoor units possible layouts 17
- Piping installation 17
- To route the refrigerant piping 17
- Piping installation 18
- To connect the multi connection piping kit 18
- To connect the refrigerant branching kit 18
- To connect the refrigerant piping to the outdoor unit 18
- To handle the stop valve 18
- To protect against contamination 18
- Using the stop valve and service port 18
- Piping installation 19
- Tightening torques 19
- To close the stop valve 19
- To handle the service port 19
- To handle the stop valve cover 19
- To open the stop valve 19
- To remove the spun pipes 19
- About checking the refrigerant piping 20
- Checking refrigerant piping general guidelines 20
- Checking refrigerant piping setup 20
- Checking the refrigerant piping 20
- Piping installation 20
- Charging refrigerant 21
- Piping 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 a leak test 21
- To perform vacuum drying 21
- About charging refrigerant 22
- Piping installation 22
- To determine the additional refrigerant amount 22
- For more information see to charge refrigerant 4 24 23
- Installation and operation manual 23
- Piping installation 23
- Pre charging refrigerant 23
- Rxytq8 16u7yf vrv iv heat pump for high ambient temperatures 4p546223 1b 2020 0 23
- To charge refrigerant flow chart 23
- Piping installation 24
- To charge refrigerant 24
- Checks after charging refrigerant 25
- Error codes when charging refrigerant 25
- Piping installation 25
- Step 6 to manually charge refrigerant 25
- Electrical installation 26
- Field wiring overview 26
- Safety device requirements 26
- To route and fix the transmission wiring 26
- Electrical installation 27
- To connect the transmission wiring 27
- To finish the transmission wiring 27
- To route and fix the power supply 27
- About making field settings 28
- Configuration 28
- Making field settings 28
- To check the insulation resistance of the compressor 28
- To connect the power supply 28
- Configuration 29
- Field setting components 29
- To access mode 1 or 2 29
- To access the field setting components 29
- Configuration 30
- Mode 1 monitoring settings 30
- Mode 2 field settings 30
- To use mode 1 30
- To use mode 2 30
- Checklist before commissioning 31
- Commissioning 31
- Precautions when commissioning 31
- To connect the pc configurator to the outdoor unit 31
- About the test run 32
- Commissioning 32
- To perform a test run 32
- Correcting after abnormal completion of the test run 33
- Error codes overview 33
- Hand over to the user 33
- Solving problems based on error codes 33
- Troubleshooting 33
- Troubleshooting 34
- Troubleshooting 35
- Service space outdoor unit 36
- Technical data 36
- Technical data 37
- Piping diagram outdoor unit 38
- Technical data 38
- Wiring diagram outdoor unit 38
- Technical data 39
- Disposal 40
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