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INSTALLATION MANUAL

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2. 2215 982 ely 026 lt y 2215 edid y 128 95 100pjno ue 104 uonoejes 2215 adid REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner DAIKIN Installation manual 4PW48462 1A Vacuum drying Use a vacuum pump which evacuate to 100 7 kPa 5 Torr 755 mm Hg Evacuate the system from the liquid pipe the suction gas pipe and the high pressure low pressure gas pipe stop valve service ports by using a vacuum pump for more than 2 hours and bring the system to 100 7 kPa After keeping the system under that condition for more than 1 hour check if the vacuum gauge rises or not If it rises the system may either contain moisture inside or have leaks Following should be executed if there is a possibility of moisture remaining inside the pipe if piping work is carried out during the raining season or over a long period of time rainwater may enter the pipe during work After evacuating the system for 2 hours pressurize the system to 0 05 MPa vacuum break with nitrogen gas and evacuate the system again using the vacuum pump for 1 hour to 100 7 kPa vacuum drying If the system cannot be evacuated to 100 7 kPa within 2 hours repeat the operation of vacuum break and vacuum drying Then after leaving the system in vacuum for 1 hour
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6. uaj opoui saneorioedsdieMjuQ 70 es sjenbxne sep uondeouoo ep 2112905 0 Iyarzag asalp 1215 aj epoy Jap zo Sejeja1 SIU 21 0 ay jo suoneorjiaeds 10 eurbed GIN ejuepeoad e ayns Ca 0 ayas 4 Ca 20 8 0 snoinaid jo 89 0 SNIBV DIB3ASLISLIWHOJNOO 30 ALINYOINOD 3G NOILVYV 71930 39 ONNYVTHYASLYLINYOANOM 32 ALINYOANOD JO NOILVYV 1930 39 DAIKIN VRVIII System air conditioner Installation manual REYQ8P9Y1B REYQ14P8Y1B REYQ10P8Y1B REYQ16P8Y1B REYQ12P9Y1B CONTENTS Page Ts rodu COM ee 1 1 1 Indoor capacity range mc 1 2 Standard supplied accessories 2 1 3 Optional a2 1 4 Technical and Electrical specifications 22 2 n 3 Selection of loCatiOhi oi ta Gee temere 3 4 Inspecting and handling the unit eese 4 5 Unpacking and placing tlie unit iaceo 4 6 5 255 seni ertet 4 6 1 Installation tools 4 6 2 S
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9. secs 20 12 Before operation roster rrr nr ee 12 1 Service precautions 12 2 Checks before initial start up 12 3 Field setting 12 4 Test operation gt 125 Final check after installation ssori 13 Service mode ODeration eiie TEE IEEE 14 Additional refrigerant charging 25 15 Caution for refrigerant 25 16 Disposal requirements noter 26 READ THIS MANUAL ATTENTIVELY BEFORE STARTING UP THE UNIT DO NOT THROW IT AWAY KEEP IT IN YOUR FILES FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL DAIKIN EQUIPMENT IS DESIGNED FOR COMFORT APPLICATIONS FOR USE IN OTHER APPLICATIONS PLEASE CONTACT YOUR LOCAL DAIKIN DEALER IF UNSURE OF INSTALLATION PROCEDURES OR USE ALWAYS CONTACT YOUR DEALER FOR ADVICE AND INFORMATION THIS AIR CONDITIONER COMES UNDER THE TERM APPLIANCES NOT ACCESSIBLE TO THE GENERAL PUBLIC The English text is the original instruction Other languages are translations of the original instructions A The refrigerant
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11. Connector Terminal Fuse DC 650 V 8 Fuse 3 15 A 250 V FIU F2U Fuse T 3 15 A 250 V F5U sse Field fuse field supply Blue FA400U Fuse T 6 3 A 250 V DANG aana Brown H1P H8P Pilot lamp GAN iab Green H2P Under preparation or in test operation when blinking ORG H2P Malfunction detection when light up 2 22 2 Pilot lamp service monitor green Magnetic relay WELT uin White Magnetic relay 2 45 uui Yellow Magnetic contactor M1C NOTE B This wiring diagram only applies to the outdoor Magnetic relay Y5S eia unit Magnetic relay Y1S When using the option adaptor refer to the Magnetic relay Y8S installation manual Magnetic relay Y2S Refer to the installation manual for connection wiring to indoor outdoor transmission F1 F2 outdoor outdoor transmission F1 F2 and on how Magnetic relay Y7S to use BS1 BS5 Magnetic relay E1HC E2HC m not operate the unit by short circuiting Magnetic relay for option Magnetic relay Y3S protection device S1PH S2PH Reactor 1 2 Motor compressor 8 2 Optional parts connector Motor fan Operation output Switching power supply Power supply adapter Earth lea
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20. Resume the input procedure from step 2 onwards Pay attention to the fan It is dangerous to inspect the unit while the fan is running Be sure to turn off the main switch and to remove the fuses from the control circuit located in the outdoor unit Perform a test operation as described in 12 4 Test operation on page 23 11 7 Checks after adding refrigerant Are the stop valves for both liquid and gas open Is the amount of refrigerant that has been added recorded on the refrigerant charge label NOTE rn Play it safe For protection of the PCB touch the switch box casing by hand in order to eliminate static electricity from your body before performing service A Make sure to open the stop valves after charging the refrigerant Operating with the stop valves closed will damage the compressor Installation manual 20 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A 12 2 Checks before initial start up NOTE Remark that during the first running period of the unit qu required power input may be higher than stated on the nameplate of the unit This phenomenon originates from the compressor that needs elapse of a 50 hours run in period before reaching smooth operation and stable power consumption B sure that the circuit breaker on the power supply panel of the installation is switched off Attach the power wire securel
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22. A1P 0 80 0 96 1 Knockout hole Burr If there are any possibilities that small animals enter the system through the knockout holes plug the holes with packing materials to be prepared on site E Outside the unit make sure the low voltage electric wiring i e for the remote control between units etc and the high voltage electric wiring do not pass near each other keeping them at least 50 mm apart Proximity may cause electrical interference malfunctions and breakage B sure to connect the power wiring to the power wiring terminal block and secure it as described under 8 8 Field line connection power wiring on page 13 Inter unit wiring should be secured as described 8 7 Field line connection transmission wiring on page 12 Secure the wiring with the accessory clamps so that it does not touch the piping and no external force can be applied to the terminal Make sure the cover and wiring are in their correct place and close the cover firmly Use a power wire pipe for the power wiring Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B 1 2 VRVIII System air conditioner 4PW48462 1A Outside unit A Be sure to follow the limits below If the unit to unit cables are beyond these limits it may result in malfunction of transmission 8 8 Field line connection power wiring The power cord must be clamped to the plastic bracket using field supplied clamp
23. confirm that the vacuum gauge does not rise FIELD WIRING A 7 LEAK TEST AND VACUUM DRYING The units were checked for leaks by the manufacturer 1 After connecting the field piping perform the following inspections 1 Preparations Referring to figure 22 connect a nitrogen tank a refrigerant tank and a vacuum pump to the outdoor unit and perform the leak test and the vacuum drying The refrigerant tank and the charge hose connected to the 2 refrigerant charge port or valve A are needed to perform refrigerant charging 1 Gauge manifold 2 Nitrogen 3 Measuring instrument 4 Refrigerant R410A tank siphon system 5 Vacuum pump 6 Charge hose 7 Refrigerant charge port 8 High pressure low pressure pipe stop valve 9 Suction gas pipe stop valve 10 Liquid pipe stop valve 8 11 Valve A 12 Valve B 13 Valve C 14 Outdoor unit 15 To BS unit or indoor unit 16 Stop valve 17 Service port 18 Field piping 19 Gas flow 2 Leak test and vacuum drying NOTE E Make sure to perform leak test and vacuum drying using the service ports of the stop valves of the high pressure low pressure gas pipe suction gas pipe and liquid pipe For the service port location refer to the Caution label attached on the front panel of the outdoor unit See 11 3 Stop valve operation procedure page 15 for details on handling the stop valve To prevent entry of any contamination and to prevent insufficient pressure resis
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25. n case of an installation site where sides A B C D have obstacles the wall heights of sides A C have no impact on service space dimensions Refer to figure 1 for impact of wall heights of sides B D on service space dimensions case of an installation site where only the sides A B have obstacles the wall heights have no influence on any indicated service space dimensions The installation space required as shown in figure 1 is a reference for cooling operation when the outdoor temperature is 35 C If the outdoor temperature exceeds 35 C or the heat load exceeds the maximum capacity of the outdoor unit increase the distances on the air intake side Make sure that there is no danger of fire due to leakage of inflammable gas Ensure that water cannot cause any damage to the location in case it drips out the unit e g in case of a blocked drain pipe The piping length between the outdoor unit and the indoor unit may not exceed the allowable piping length Refer to 6 6 Example of connection on page 7 Select the location of the unit in such a way that neither the discharged air nor the sound generated by the unit disturbs anyone Make sure that the air inlet and outlet of the unit are not positioned towards the main wind direction Frontal wind will disturb the operation of the unit If necessary use a windscreen to block the wind Do not install or operate the unit on locations where air contains high levels of s
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29. 3 Field setting If required carry out field settings according to the following instructions Refer to the service manual for more details Opening the switch box and handling the switches When carrying out field settings remove the inspection cover 1 Operate the switches with an insulated stick such as a ball point pen to avoid 2 touching live parts E Make sure to re attach the inspection cover 1 into the switch box cover 2 after the job is finished NOTE Make sure that all outside panels except for the panel ci on the electric component box 1 are closed while working Close the lid of the electric component box firmly before turning on the power Location of the DIP switches LEDs and buttons 1 LED H1 8P 2 Push button switches BS1 BS5 DIP switch 1 DS1 1 4 DIP switch 2 DS2 1 4 i i 2 HHH switch 3 DS3 1 2 3 Im N 5 H bom LED state Throughout the manual the state of the LEDs is indicated as follows OFF 4 Blinking Setting the push button switch BS1 5 Function of the push button switch which is located on the outdoor unit PCB A1P DEMAND HWL X IND 8 SLAVE MULTI 34 Hip H2P H5P H7P BS1 852 853 854 855 gQ MODE SET _ RETURN T
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31. Make sure to tighten the cap securely Refer to the table below Tightening torque N m Turn clockwise to close Hexagonal Stop valve size Valve body wrench Cap valve lid Service port 09 5 5 4 6 6 13 5 16 5 4mm 012 7 8 19 9 18 0 22 0 11 5 13 9 022 2 27 0 33 0 8 mm 22 5 27 5 025 4 Closing stop valve See figure 19 1 Remove the cap and turn the valve clockwise with the hexagon wrench 2 Securely tighten the valve until the shaft contacts the main body seal 3 Make sure to tighten the cap securely For the tightening torque refer to the table above REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 15 11 4 How to check how many units are connected 11 5 Additional refrigerant charge It is possible to find out how many indoor units are active and Adding refrigerant using the automatic refrigerant charging function is recommended connected by operating the push button switch on the printed circuit board A1P of the working outdoor unit Make sure that all the indoor units connected to the outdoor unit are Follow the procedures below active Follow the 5 step procedure as explained below When charging a system charging over the permissible quantity can cause liquid hammer B The LEDs on the 1 shows the operating status of the outdoor unit and the number of indoor units that
32. R410A requires strict cautions for keeping the system clean dry and tight Clean and dry Foreign materials including mineral oils such as SUNISO oil or moisture should be prevented from getting mixed into the system Tight R410A does not contain any chlorine does not destroy the ozone layer and does not reduce the earth s protection against harmful ultraviolet radiation R410A can contribute slightly to the greenhouse effect if it is released Therefore we should take special attention to check the tightness of the installation Read 6 Refrigerant piping on page 4 carefully and follow these procedures correctly A Since design pressure is 4 0 MPa or 40 bar for R407C units 3 3 MPa or 33 bar pipes of larger wall thickness may be required The wall thickness of piping must be carefully selected refer to paragraph 6 2 Selection of piping material on page 5 for more details 1 INTRODUCTION This installation manual concerns VRV inverters of the Daikin REYQ P series These units are designed for outdoor installation and used for cooling and heat pump applications The REYQ8 16P system is a single outdoor system and can not be combined with other outdoor units in a multi outdoor system This unit has rated cooling capacities ranging from 22 4 to 45 0 kW and rated heating capacities ranging from 25 0 to 50 0 kW For changing the refrigerant flow to indoor units the REYQ P system can be combined with BS un
33. The unit will stop after 30 seconds 6 Close the front panel in order to let it not be the cause of misjudgement 7 Check the test operation results by the LED display on the outdoor unit Normal completion e e c 6 Abnormal completion e it e e e e 8 When the test operation is fully completed normal operation will be possible after 5 minutes Otherwise refer to Correcting after abnormal completion of the test operation on page 24 to take actions for correcting the abnormality REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN Installation manual VRVIII System air conditioner 23 4PW48462 1A Correcting after abnormal completion of the test operation The test operation is only completed if there is no malfunction code displayed on the remote controller In case of a displayed malfunction code perform the following actions to correct the abnormality Confirm the malfunction code on the remote controller Installation error Error code Remedial action The stop valve of an Open the stop valve outdoor unit is left closed F3 Fb u The phases of the ul Exchange two of the three phases power to the outdoor L1 L2 L3 to make a positive unit is reversed phase connection No power is supplied LC Check if the power wiring for the to an outdoor or ui outdoor unit is connected correctly indoor unit including UH phase interruption Incorrect UF Check if the refrigerant line piping
34. are active Always use protective gloves and protect your eyes when charging refrigerant OFF ON XK Blinking When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank The number of units that are active can be read from the LED immediately display in the Monitor Mode procedure below Example in the following procedure there are 22 units active NOTE Wherever during this procedure press the if 51 MODE button if something becomes unclear You will return to setting mode 1 H1P OFF The refrigerant charge port has a electric expansion valve and will be closed at the end of the refrigerant charging However the valve will be opened when operating the unit after refrigerant charging If the tank is left with the valve open the amount of refrigerant which is properly charged may get off point More refrigerant may be charged by any 1 Setting mode 1 default system status remaining pressure after the unit has stopped H1P H2P H5P H6P H7P Default status normal e o o Electric shock warning a Close the electric component box lid before turning on Press the BS1 MODE button to switch from setting mode 1 to monitor the main power mode s Perform the settings on the circuit board A1P of the 2 Monitor mode outdoor unit and check the LED display after the power is on via the service lid which is in the lid of th
35. blades when you open the front panel The fan may still rotate for a while after unit operation has stopped 10 In case leak detection function required Press the BS4 TEST button once for post processing with regard to the leak detection function and press the BS1 MODE button to confirm that charging is completed Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB as described on page 19 10 In case leak detection function not required Press the BS1 MODE button once and the charging is complete Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB as described on page 19 2 Normal system display Cooling Heating Micro changeover computer operation Ready Bulk Low monitor Mode Error slave noise Demand LED display Default status before delivery HAP H1P H2P H3P H4P H5P H6P H7P Outdoor unit system xk e 3 Remote controller malfunction code display Remote controller heating mode malfunction codes Error code P8 Close valve A immediately and press the TEST OPERATION rech
36. interconnections and the unit wiring are consistent between units with each other Refrigerant Recalculate the required amount of overcharge Fb refrigerant from the piping length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine Insufficient refrigerant Check if the additional refrigerant F3 charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant The refrigerant was Pi Availability of the leak detection not charged using the function requires the refrigerant to automatic charging be charged using the automatic function charging function In case the leak detection function is required see Procedure for additional refrigerant charge on page 17 In case the leak detection function is not required see 12 4 Test operation on page 23 The added amount of PF Availability of the leak detection refrigerant was not function feature requires input of inputted after the additional refrigerant charge automatic charging amount immediately after finishing the automatic charging Refer to 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB on page 19 In case the test In case the the test operation was operation was interrupted perform the test interrupted or the unit operation again was operating out of In case the unit was operati
37. operation you can force the operation to a halt by pushing the BS1 MODE button To speed up the process of charging refrigerant for large systems it 1 Start of automatic charging refrigerant is recommended to first manually charge a portion of the refrigerant the liquid pipe suction gas pipe and high pressure low first before performing automatic charging pressure gas pipe stop valves and the service port stop 1 Calculate how much refrigerant to be added using the formula valve Valves A B and C die closed explained in the chapter How to calculate the additional Close all front panels except the electric component box front refrigerant to be charged on page 8 panel and turn the power ON 5 sure all indoor units are connected refer 11 4 How 2 amount of pre charging is 10 kg less than the calculated to check how many units are connected on page 16 amount If the LED is not flashing in 12 minutes time after 3 Open valve B the valves and C the liquid pipe the suction turning on the power make sure it is displayed as shown in gas pipe and the high pressure low pressure gas pipe stop the 2 Normal system display on page 19 valves must be left closed and charge the refrigerant in liquid If the H2P LED is flashing check the malfunction code on the form via the liquid pipe stop valve service port remote controller 3 Remote controller malfunction code See figur
38. stop valves Press the BS1 MODE button to return to step 1 setting mode 1 The refrigerant charging port is connected to the H1P OFF piping inside the unit The units internal piping is already factory charged with refrigerant so be careful when connecting the charge hose B After adding the refrigerant do not forget to close the lid of the refrigerant charging port The tightening torque for the lid is 11 5 to 13 9 Nem In order to ensure uniform refrigerant distribution it may take the compressor 10 minutes to start up after the unit has started operation This is not a malfunction Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B 1 6 VRVIII System air conditioner 4PW48462 1A 1 Procedure for additional refrigerant charge The automatic refrigerant charging has limits as described below At out of limit the system can not operate the automatic refrigerant charging 10 DB 43 C DB 10 DB 32 C DB z8096 Outdoor temperature Indoor temperature Total indoor unit capacity Pre charging 5 After pre charging perform the refrigerant charge operation as shown below and charge the remaining refrigerant of the additional charging amount through valve A See figure 23 NOTE The refrigerant will be charged with 30 kg in qu 1 hour time at an outdoor temperature of 30 DB or with 12 kg at an outdoor temperature of o c DB During the automatic charging
39. such as and moisture from mixing into the system The screw specifications differ for R410A and R407C Use a 2 evacuate stage vacuum pump with a non return valve which can to 100 7 kPa 5 Torr 755 mm Hg NOTE Cn Make sure the pump oil does not flow oppositely into the system while the pump is not working Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A 6 2 Selection of piping material 6 4 1 Foreign materials inside pipes including oils for fabrication 1 must be 30 mg 10 m or less 2 Use the following material specification for refrigerant piping Size determine the proper size referring to chapter 6 6 Example of connection on page 7 Construction material phosphoric acid deoxidized seamless copper for refrigerant B lemper grade use piping with temper grade in function of the pipe diameter as listed in the table below Pipe Temper grade of piping material 15 9 219 1 1 2H Annealed 1 2H Half hard The pipe thickness of the refrigerant piping should comply with relevant local and national regulations The minimal pipe thickness for R410A piping must be in accordance with the table below Connecting the refrigerant piping Front connection or side connection Installation of refrigerant piping is possible as front connection or side co
40. the next 15 minutes according to the system It takes about 2 to 10 minutes for the system to become stable In case of a small charging amount the system will start charging the refrigerant before the system reaches the stable state may disturb a correct decision and may cause overcharging 1 H2P H3P H4P H5P H6P H7P Ready Press the BS4 TEST button once within 5 minutes If the BS4 TEST button is not pushed within 5 minutes Pe will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on page 19 Operation When the following LED display is shown open valve A and close the front panel If the front panel is left open the system can not operate properly during the refrigerant charging When the refrigerant tank is not connected or is left with the valve closed for 30 minutes or more the outdoor unit will stop operation and the Pe code will be displayed on the remote controller of the indoor unit Follow the procedure as described in 3 Remote controller malfunction code display on page 19 2 H5P H7P dk k amp The state of this LED is not important When a malfunction occurs check the display of the remote controller and refer to 3 Remote controller malfunction code display on page 19 9 Complete If the calculated amount of refrigerant is reached close valve
41. through the possible LED combinations by pressing the BS2 SET button until the LED combination corresponds to the weight of additional refrigerant charge you must input Select the required input by pressing the BS3 RETURN button and confirm the input into the PCB by pressing the BS3 RETURN button again Possible LED combinations in function of weight of additional refrigerant charge x to input kg 2 H5P H7P 0 0 e e 1 0 lt lt 5 2 5 lt lt 10 3 10 lt x lt 15 4 15 lt 20 5 20 lt 25 6 25 lt lt 30 7 30 lt lt 35 8 35 lt lt 40 9 40 lt lt 45 10 45 lt lt 50 11 50 lt 55 12 55 lt lt 60 13 60 lt lt 65 14 65 lt lt 70 15 70 lt lt 75 16 75 lt lt 80 17 80 lt lt 85 18 85 lt lt 90 19 90 lt lt 95 elek Lia e ele ele mm ele e eek Ale me 20 95 lt lt 100 XE XX Xr Xr xr X Xr Xr Xr Xt Xx Xr Xx Xr Xr Xx Xt Xr Xi Xt 21 100 lt x Return to setting mode 1 initial state by pressing the BS1 MODE button 12 BEFORE OPERATION 12 1 A Service precautions A WARNING ELECTRIC SHOCK A Caution when service to inverter equipment performing 1 Do not o
42. will last 2 hours otherwise it takes between 40 and HIP H2P H3P H5P H6P H7P 60 minutes to complete the check operation xe Make sure to carry out the test operation after the first installation Otherwise the malfunction code will be displayed 4 Press the BS3 RETURN button once to confirm on the remote controller and normal operation can not be 5 Press the BS3 RETURN button a second time to start the carried out test operation The unit will start the test operation Abnormalities on indoor units can not be checked for each unit The test operation is automatically carried out in cooling individual After the test operation is finished check the indoor mode the H2P LED will light up and the messages Test units one by one by performing a normal operation using the operation and Under centralized control will display on the remote controller remote controller may take 10 minutes to bring the state of the refrigerant NOTE A test operation can not be carried out when the uniform before the compressor starts 7 outdoor temperature is less than 5 During the test operation the refrigerant running sound or the magnetic sound of a solenoid valve may become loud and the LED display may change but these are not mal functions During the test operation it is not possible to stop the unit operation from a remote controller To abort the operation press the BS3 RETURN button
43. x aN D low noise operation level setting L N O P via the external control adapter E power consumption limitation setting DEMAND via the external control adapter enabling function of the low noise operation level setting L N O P and or power consumption limitation setting DEMAND via the external control adapter DTA104A61 62 G high static pressure setting evaporating temperature setting H2P H5P H6P H7P 5 0 e e x cit e x e e D le o o 4 cl xe e e e H e e 2 When the BS3 RETURN bution is pushed the current setting is defined 3 Push the BS2 SET button according to the required setting possibility as shown below in the field marked 3 1 Possible settings for function A B F and G are ON ON or oFF OFF HIP H2P H5P H7P xe or it e e e e x a This setting factory setting a This setting factory setting Push the BS3 RETURN button and the setting is defined When the BS3 RETURN button is pushed again the operation starts according to the setting Refer to the service manual for more details and for other settings Confirmation of the set mode The following items be confirmed by setting mode 1 H1P LED is off Ch
44. 16 Hp Liquid pipe 9 5 012 7 Suction gas pipe 25 41 High pressure low 019 10 pressure gas pipe a b he 12 Hp model supports field piping of 212 7 on the accessory pipe supplied ith the unit he 8 Hp model supports field piping of 019 1 on the accessory pipe supplied ith the unit he 10 Hp model supports field piping of 022 2 on the accessory pipe supplied ith the unit 12 16 Hp models support field piping of 028 6 on the accessory pipe upplied with the unit he 8 Hp model supports field piping of 15 9 on the accessory pipe supplied ith the unit 14 and 16 Hp models support field piping of 022 2 on the accessory pipe supplied with the unit o m Do not open the stop valve until all piping and electrical steps of 10 Checking of unit and installation conditions on page 14 are completed If the stop valve is left open without turning on the power it may cause refrigerant to build up in the compressor leading to insulation degradation m Always use a charge hose for service port connection B After tightening the cap check that no refrigerant leaks are present Opening stop valve See figure 19 Service port Cap Hexagon hole Shaft Seal a O N 1 Remove the cap and turn the valve counterclockwise with the hexagon wrench 2 Turn it until the shaft stops Do not apply excessive force to the stop valve Doing so may break the valve body 3
45. 25 Do not install in the following locations e Locations where sulphurous acids and other corrosive gases may be present in the atmosphere Copper piping and soldered joints may corrode causing refrigerant to leak Locations 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 Locations where equipment that produces electro magnetic waves is found The electromagnetic waves may cause the control system to malfunction preventing normal operation Locations where flammable gases may leak where thinner gasoline and other volatile substances are handled or where carbon dust other incendiary substances are found the atmosphere Leaked gas may accumulate around the unit causing an explosion When installing take strong winds typhoons or earthquakes into account Improper installation may result in the unit turning over REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 3 4 INSPECTING AND HANDLING THE UNIT At delivery the packing should be checked and any damage should be reported immediately to the carrier claims agent When handling the unit take into account the following 1 y Fragile handle the unit with care 11 Keep the unit upright in order to avoid compressor damage Choose on beforehand the path alo
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47. A REYQ12 0 27 850 kVA REYQ14 2045 kVA REYQ16 2035 kVA Be sure to install a main switch for the complete system NOTE Select the power supply cable in accordance with qu relevant local and national regulations Wire size must comply with the applicable local and national code Specifications for local wiring power cord and branch wiring are in compliance with IEC60245 WIRE HO5VV Only in protected pipes use HO7RN F when protected pipes are not used 8 4 General cautions m Make sure to connect the power source wire to the power source terminal block and to clamp it as shown in figure 24 and described in chapter 8 8 Field line connection power wiring on page 13 WH For conditional connections refer to the Technical Data 5 this unit is equipped with an inverter installing a phase advancing capacitor not only will deteriorate power factor improvement effect but also may cause a capacitor abnormal heating accident due to high frequency waves Therefore never install a phase advancing capacitor 1 European International Technical Standard setting the limits for voltage changes voltage fluctuations and flicker in public low voltage supply systems for equipment with rated current 75 A 2 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with input current gt 16 A a
48. A and press the BS3 RETURN button once NOTE Always close valve A and remove the refrigerant Aa tank immediately after finishing the refrigerant charge operation 2 H5P H6P H7P eee i OOD A Beware of the fan blades when you open the frontpanel The fan may still rotate for a while after unit operation has stopped 10 10 In case leak detection function required Press the BS4 TEST button once for post processing with regard to the leak detection function and press the BS1 MODE button to confirm that charging is completed Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB as described on page 19 In case leak detection function not required Press the BS1 MODE button once and the charging is complete Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB as described on page 19 Charging in cooling mode Start up Wait while the unit is preparing for charging in cooling mode H2P H3P H5P H6P H7P Pressure control e xk e 3 for the first minute
49. DAIKIN INSTALLATION MANUAL HF System air conditioner REYQ8P9Y1B REYQ10P8Y1B REYQ12P9Y1B REYQ14P8Y1B REYQ16P8Y1B b os b s s TOCO 4 a210 mm a250 mm 2200 mm b 2300 mm b 2100 mm b 2300 mm c210 mm c 250 mm d 2500 mm d 2500 mm 210 mm 250 mm 2200 b 2300 b 2100 mm b 2300 mm 210 mm c 250 mm d 2500 mm d 2500 mm 220 mm e 2100 mm e 2400 mm a 210 mm a 250 mm b 2300 b 2100 mm c 210 mm c 250 mm b 2500 mm d 2500 mm gt 20 gt 100 f 2600 mm f 2500 mm a210 mm 250 mm b 2300 mm b 2100 mm D h c 210 mm c 250 mm gt 6 2 2500 2500 e 220 mm e 2100 mm ho 0 ded 11 13 mm 1500 0078 48 00 1ee1sepioo pue7 AN NDIIVO e ejfes 105 10 BOUAY gt Isuo69 ey ysIy 9 lt 4 ueuejnb n 3 3A 1016 ide 1916 njwnjo lt g gt eulseyyias 2 o 116
50. EST RESET For changing the set mode BS1 MODE BS2 SET BS3 RETURN For field setting BS4 TEST For test operation BS5 RESET For field setting For resetting the address when the wiring is changed or when an additional indoor unit is installed The figure shows state of the LED indications when the unit is shipped from the factory Check operation procedure 1 Turn the power on for the outdoor unit and the indoor unit Be sure to turn the power on at least 6 hours before operation in order to have power running to the crankcase heater 2 Make sure that transmission is normal by checking the LED display on the outdoor unit circuit board A1P If transmission is normal each LED will be displayed as shown below Cooling Heating changeover Micro computer operation Ready Low monitor Error master slave noise Demand before delivery HAP H1P H2P H3P H4P H5P H6P H7P Outdoor unit system REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 21 Setting the mode The set mode can be changed with the BS1 MODE button according to the following procedure For setting mode 1 Press the BS1 MODE button once the H1P LED is off This mode is not available for heat recovery units B For setting mode 2 Press the BS1 MODE button for 5 seconds the H1P LED is on Xt If the HIP LED is blinking 3 and t
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53. OO N When routing the remote control cord and inter unit wiring secure Q clearance of 50 mm or more from the power wiring Ensure that the power wiring does not contact any heated sections 6 Clamp to the back of the column support with field supplied clamps 7 When routing out the inter unit wirings from the opening for piping or from the front When routing out the power ground wires from the front When routing out the power ground wires from the left side 10 Grounding wire 11 When wiring pay attention not to detach the acoustic insulators from the compressor Wire so that the ground wiring does not come into contact with the compressor lead wiring If they touch this may have an adverse effect on other devices 9 PIPE INSULATION After finishing the leak test and vacuum drying the piping must be insulated Take into account the following points Make sure to insulate the connection piping and refrigerant branch kits entirely Be sure to insulate liquid and gas piping for all units Use heat resistant polyethylene foam which can withstand a temperature of 70 C for liquid piping and polyethylene foam which can withstand a temperature of 120 C for gas piping Reinforce the insulation on the refrigerant piping according to the installation environment Ambient temperature Humidity Minimum thickness lt 30 C 75 to 80 RH 15mm gt 30 C 280 RH 20 mm Condensa
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55. Start up control for the next 2 minutes e x Waiting for stable cooling conditions for the next 15 minutes according to the system It takes about 2 to 10 minutes for the system to become stable In case of a small charging amount the system will start charging the refrigerant before the system reaches the stable state It may disturb a correct decision and may cause overcharging 1 H2P H3P H4P H5P H6P H7P d X x eoe Ready Press the BS4 TEST button once within 5 minutes If the BS4 TEST button is not pushed within 5 minutes Pe will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on page 19 Operation When the following LED display is shown open valve A and close the front panel If the front panel is left open the system can not operate properly during the refrigerant charging When the refrigerant tank is not connected or is left with the valve closed for 30 minutes or more the outdoor unit will stop operation and the Pe code will be displayed on the remote controller of the indoor unit Follow the procedure as described in 3 Remote controller malfunction code display on page 19 H2P H5P H6P H7P Xt dk o amp The state of this LED is not important When malfunction occurs check the display of the remote controller and refer to Remote controlle
56. Transmission wiring sheathed cable 16 V REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 11 8 6 Leading power line and transmission line Be sure to let the power line and the transmission line pass 8 7 Field line connection transmission wiring See figure 17 through a conduit hole 1 Electric component box 1 Lead the power line from the upper hole on the left side plate Electr A from the front position of the main unit through the conduit hole BOX e of the wiring mounting plate or from a knock out hole to be 3 Never connect the power supply wire made in the unit s bottom plate See figure 16 4 To outdoor unit of other system 1 Electric wiring diagram Printed on the back of the electric 5 Hee duplex wires no polarity component box lid 6 BS unit 2 Power wiring and ground wiring inside conduit 7 Indoor unit 8 When the wiring is routed out through the lateral panel Indoor unit cooling only Transmission wiring Pipe opening m The and Q2 to multi unit terminals of the electric Conduit component box 1 are connected to the Q1 and Q2 terminals of B 2 the electric component box 2 by internal transmission wiring Powar Wiring ania ground Wiring Do not remove the internal transmission wiring use The wiring to other systems must be connected to the F1 F2 Out Out terminals of t
57. able of handling high frequency electrical noise must be used in order to prevent malfunctioning of the earth leakage breaker itself B Earth leakage breakers that are especially designed for protecting ground faults must be used in conjunction with main Switch and fuse for use with wiring Never connect the power supply in reversed phase The unit can not operate normally in reversed phase If you connect in reversed phase replace two of the three phases B This unit has a reverse phase detection circuit If it is activated only operate the unit after correcting the wiring Power supply wires must be attached securely B f the power supply has a missing or wrong N phase equipment will break down Make sure that all wiring is secure the specified wires are used and no external forces act on the terminal connection or wires Improper connections or installation may result in fire When wiring the power supply and connecting the remote controller wiring and transmission wiring position the wires so that the control box lid can be securely fastened Improper positioning of the control box lid may result in electric shocks fire or overheating of the terminals 8 5 System examples See figure 15 1 Field power supply 5 Outdoor unit Main switch 6 Cool heat selector Earth leakage circuit 7 Remote controller breaker 8 Indoor unit 4 Fuse 9 BS unit Power supply wiring sheathed cable 380 415 V
58. alt like e g in the vicinity of oceans Refer for further information to the engineering databook During installation avoid the possibility that anybody can climb on the unit or place objects on the unit Falls may result in injury equipment described in this manual may cause electronic noise generated from radio frequency energy The equipment complies to specifications that are designed to provide reasonable protection against such interference However there is no guarantee that interference will not occur in a particular installation It is therefore recommended to install the equipment and electric wires keeping proper distances away from stereo equipment personal computers etc See figure 2 Personal computer or radio Fuse Earth leakage breaker Remote controller Cool heat selector oa FWD Indoor unit In places with weak reception keep distances of 3 m or more to avoid electromagnetic disturbance of other equipment and use conduit tubes for power and transmission lines In heavy snowfall areas select an installation site where snow will not affect the operation of the unit The refrigerant R410A itself is nontoxic nonflammable and is safe If the refrigerant should leak however its concentration may exceed the allowable limit depending on room size Due to this it could be necessary to take measures against leakage Refer to the chapter 15 Caution for refrigerant leaks on page
59. arge button once operation The operation will restart from the charging mode judgement onwards Pe Close valve A immediately Check charge following items Aft 3 correcting the hold Check if the gas stop valve is opened i correctly abnormality restart the automatic charging procedure again Check if the valve of the refrigerant cylinder is opened Check if the air inlet and outlet of the indoor unit are not obstructed Remote controller cooling mode malfunction codes Error code PE Charging is almost finished Ready to close valve A pg Charging is finished Close valve A and remove the refrigerant tank PA PH Close valve A and replace the empty cylinder replace After replacing the cylinder open valve A again and continue the cylinder work the outdoor unit will not stop operating P8 Close valve A immediately recharge Restart the automatic charging procedure again operation Close valve A immediately Check following items Check if the high pressure low pa pressure gas pipe suction gas pipe and liquid pipe stop valves are opened charge hold correctly After correcting the Check if the valve of the refrigerant cylinder is opened the automatic Check if the air inlet and outlet of the charging procedure indoor unit are not obstructed again abnormality restart Close valve A immediately Confirm the malfunction code by the remote cont
60. ase of a multiple outdoor unit system Install according to the following restrictions The capacities of outdoor units A B and C must fulfill the following restriction conditions gt gt 1 To indoor units 2 Multi outdoor unit connection piping kit first branch 3 Multi outdoor unit connection piping kit second branch 1 2 Standard supplied accessories See location 1 in figure 18 for reference to where following accessories are supplied with the unit Installation manual 1x Operation manual 1x Additional refrigerant charge label 1x Installation information sticker 1x Fluorinated greenhouse gases label 1x Multilingual fluorinated greenhouse gases label 1x See location 2 in figure 18 for reference to where following accessories are supplied with the unit REYOG 8 10 12 14 16 Liquid accessory pipe 1 1x 1x 1x 1x 1x Liquid accessory pipe 2 1x 1x 1x 1x 1x 022 2 Suction gas accessory pipe 1 1 1 1x 1x 028 6 919 1 Suction gas accessory pipe 2 1x 1 1x 1x IK 015 9 High pressure low pressure 1 019 1 019 1 usd Il m 0159 1x High p
61. ase the user may be required to take adequate measures 10 11 sure to provide for adequate measures order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean When installing the unit in a small room take measures in order to keep the refrigerant concentration from exceeding allowable safety limits in the event of a refrigerant leak Excessive refrigerant concentrations a closed room can lead to oxygen deficiency To prevent dripping water to form a puddle underneath the unit install a drain pan available as option kit The equipment is not intended for use in a potentially explosive atmosphere Obtain the customer s permission before installing The inverter units should be installed in a location that meets the following requirements 1 The foundation is strong enough to support the weight of the unit and the floor is flat to prevent vibration and noise generation If not the unit may fall over and cause damage or injury A The space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available Refer to figure 1 and choose one of the possibilities ABCD Sides along the installation site with obstacles Suction side
62. centration of refrigerant is directly related to the humanly occupied space in to which it could leak The unit of measurement of the concentration is kg m the weight in kg of the refrigerant gas in 1 m volume of the occupied space Compliance to the local applicable regulations and standards for the maximum allowable concentration level is required According to the appropriate European Standard the maximum allowed concentration level of refrigerant to a humanly space for R410A is limited to 0 44 kg m rTr3 1 direction of the refrigerant flow 2 room where refrigerant leak has occurred outflow of all the refrigerant from the system Pay special attention to places such as a basements etc where refrigerant can stay since refrigerant is heavier than air Procedure for checking maximum concentration Check the maximum concentration level in accordance with steps 1 to 4 below and take whatever action is necessary to comply 1 Calculate the amount of refrigerant kg charged to each system separately amount of refrigerant in a additional charging total amount of amount amountof ZZ refrigerant kg in single unit system refrigerant added the system amount of locally in refrigerant with accordance with which the system the length or is charged before diameter of the leaving the factory refrigerant piping NOTE Where a single refrigerant facility is divided into qu 2 entirely independent refrigerant
63. charge in heating mode to increase the indoor At least the unit should be charged with its original amount temperature of refrigerant refer to the nameplate on the unit before The unit will automatically select the cooling mode or heating starting the automatic charging mode for charging A B When charging in cooling mode the unit will stop NOTE When the leak detection function is not required operating when the required amount of qu complete charging when using the previous described refrigerant is charged method unit is not operating can be done m During charging in heating mode a person must If it is not possible to charge the entire quantity through manually close valve A before complete charging the service port of the liquid pipe stop valve with the is finished The required amount is the calculated unit not operating refer to 14 Additional refrigerant amount see 6 6 Example of connection on charging method on page 25 page 7 therefore the weight must be monitored constantly REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN Installation manual VRVIII System air conditioner 4PW48462 1A 17 a 6 Charging in heating mode Start up Wait while the unit is preparing for charging in heating mode 2 H5P H6P H7P Pressure control e xk e e e e Tt for the first minute Start up control for the next 2 minutes ik xe e e Waiting for stable ik x e e zx x heating conditions for
64. e HIP H2P H3P H4P H5P H6P H7P Default status display o e electric component box Operate switches with an insulated To check the number of indoor units press the BS2 SET button 5 times Stick such as a ball point pen to avoid touching the life parts Make sure to re attach the 3 Monitor mode inspection cover into the switch box cover after the job HIP H2P H3P H5P H6P is finished Selection status of how many connected indoor units to eee f the power of some units is turned off the charging display procedure can not be finished properly Pressing the BS3 RETURN button causes the LED display to show the Make sure to turn ON the power 6 hours before data on the number of indoor units that are connected starting the operation This is necessary to warm the crankcase by the electric heater 4 Monitor mode f operation is performed within 12 minutes after the HIP HAR Ue HOP nee indoor units BS units and outdoor unit are turned on Displaying the number of the H2P LED will be lit and the compressor will not connected indoor units 32 16 8 4 2 1 Calculate the number of connected indoor units by adding the values of p all H2P H7P blinking xx LEDs together NOTE See 11 3 Stop valve operation procedure In this example 16 4 2 22 units page 15 for details on how to handle
65. e PC board in the outdoor unit After installing the interconnecting wires inside the unit wrap them along with the on site refrigerant pipes using finishing tape as shown in figure 13 Liquid pipe High pressure low pressure gas pipe Finishing tape Suction gas pipe Transmission wiring o Aa o mw Insulation material For the above wiring always use vinyl cords with 0 75 to 1 25 mm sheath or cables 2 core wires When routing ground wires secure clearance of 50 mm or more away from compressor lead wires Failure to observe this instruction properly may adversely effect correct operation of other units connected to the same ground When connecting the power supply cord the earth connection must be made before the current carrying connections are established When disconnecting the power supply cord the current carrying connections must be separated before the earth connection is The length of the conductors between the power supply cord anchorage and the terminal block itself must be such that the current carrying conductors tautened before the earthing conductor is in case the power supply cord is pulled loose from the cord anchorage Be sure to keep the power line and transmission line apart from each other Precautions when laying power wiring wiring use the designated power wire connect firmly then secure to prevent outside pressure being exerted on the termi
66. e 23 display on page 19 1 Measuring instrument If you perform the refrigerant charging operation 2 Refrigerant tank R410A siphon system within the refrigerant system with one or more 3 Charge hose units with power OFF the refrigerant charging operation can not be accomplished properly 4 Refrigerant charge port For confirming the number of indoor units with 5 High pressure low pressure gas pipe stop valve power ON refer to 11 4 How to check how 6 Suction gas pipe stop valve many units are connected on page 16 7 Liquid pipe stop valve To energize the crankcase heater make sure to 8 Valve A turn the power ON at least 6 hours before starting operation 9 Valve B 10 Valve C 2 Press the BS1 MODE button once if the LEDs combination is not 11 Outdoor unit as in the figure below 12 5 unit indoor unit HIP H2P H3P H5P H6P 13 Stop valve x e e e e 14 Service port 3 Press the BS4 TEST button once 15 Field piping 16 Refrigerant flow when pre charging through the liquid stop valve HIP H2P H6P service port refer to step 3 on page 17 3 3 xt 3 xt rt fo 17 Refrigerant flow when automatic charging through the charge port refer to step 5 on page 17 Hold the BS4 TEST button down for 5 seconds or more 4 f the calculated amount of pre charging is reached close 5 Charging mode judgement valve B However if the indoor temperature is 10 DB or lower in some cases the unit will
67. e protected with the required safety devices i e a main switch a slow blow fuse on each phase and an earth leakage breaker Minimum Phase and circuit Recommended Transmission frequency Voltage ampere fuses line section REYQ8 50 Hz 380 415 17 20 0 75 1 25 REYQ10 50 Hz 380 415 22 25 0 75 1 25 mm REYQ12 50 Hz 380 415V 223A 25 0 75 1 25 mm 14 50 Hz 380 415V 32 8 A 40 0 75 1 25 mm REYQ16 3N 50 Hz 380 415V 33 0A 40A 0 75 1 25 mm When using residual current operated circuit breakers be sure to use a high speed type 300 mA rated residual operating current Point for attention regarding quality of the public electric power supply This equipment complies with respectively 61000 3 11 provided that the system impedance Zsys is less than or equal to Zmax and 61000 3 12 2 provided that the short circuit power Ssc is greater than or equal to the minimum Sg value at the interface point between the user s supply and the public System It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with respectively Zsys less than or equal to Zmax and Sg greater than or equal to the minimum Sg value Minimum 552 Zmax 2 value REYQ8 889 kVA REYQ10 0 27 842 kV
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69. eck the LED indication in the field marked 1 Indication of the present operation state normal 3 abnormal 3 under preparation or under test operation HIP 2 5 H6P e c 2 Indication of low noise operation state L N O P standard operation factory setting XY operation H2P H5P H6P H7P e 6 3 Indication of power consumption limitation setting DEMAND standard operation factory setting 3 DEMAND operation H2P H5P H6P H7P e 6 Installation manual 22 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A 12 4 Test operation Test operation procedure 1 Close all front panels except the front panel of the electric A Do not insert fingers rods or other objects into the air component box inlet or outlet When the fan is rotating at high speed it 2 Turn ON the power to the outdoor unit and the connected indoor will cause injury units i h hil ki h Be sure to turn on the power 6 hours before operation in order to A Do not perform the test operation while working on the have power running to the crankcase heater and to protect the indoor units compressor When performing the test operation not only the outdoor 3 Make the field setting as described in the paragraph 12 3 Field unit but
70. election of piping material ines 6 3 Pipe connection oe 6 4 Connecting the refrigerant pipin 9 6 5 Protection against contamination when installing pipes 6 66 Example of tacens 7 L ak test and vacuum drying irren 9 8 Feld 9 8 1 Internal wiring Parts table 210 8 2 Optional parts M 8 3 Power circuit and cable requirements dd 8 4 General xdi 8 5 System 6 2 2 lt lt 511 8 6 Leading power line and transmission line 412 8 7 Field line connection transmission wiring s Me 8 8 Field line connection power wiring 18 8 9 Wiring example for wiring inside unit 14 9 Pipeinsulation tet ap kaba aaa au tenero hee 14 10 Checking of unit and installation conditions 14 Ti Gharging Fetfige FAME 14 11 1 Important information regarding the refrigerant used 14 11 2 Precautions when adding R4104 5 11 3 Stop valve operation procedure 19 11 4 How to check how many units are connected i 16 11 5 Additional refrigerant charge nennen 16 11 6 Procedure for inputting the additional refrigerant charge weight UNO ni PG Biss ES 19 11 7 Checks after adding refrigerant
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72. he BS1 MODE button is pushed once the setting mode will change to setting mode 1 NOTE If you get confused in the middle of the setting qu process push the BS1 MODE button Then it returns to setting mode 1 H1P LED is off Setting mode 2 The H1P LED is on Setting procedure 1 Push the BS2 SET button according to the required function A H The LED indication that matches the required function is shown below in the field marked Possible functions A additional refrigerant charging operation 3 2 Possible settings for function C The noise of level 3 lt level 2 lt level 1 1 H2P H5P H6P H7P OFF ee e e ail x a2 xe a3 x x refrigerant recovery operation vacuuming operation automatic low noise operation setting at nighttime a This setting factory setting 3 3 Possible settings for function D and E For function D L N O P only the noise of level 3 lt level 2 lt level 1 41 For function DEMAND only the power consumption of level 1 lt level 2 lt level 3 43 al x 29 5 x e 6 e a This setting factory setting a3 3 4 Possible settings for function H The evaporating temperature level H high lt level M medium lt level L low aL H2P H5P H7P
73. he P board in the outdoor unit to which the interconnecting wiring for the BS unit or indoor units is connected Through hole cover DO Electric component box 1 10 Electric component box 2 Precautions when knocking out knockout holes Fixing transmission wiring See figure 21 To punch a knockout hole hit on it with a hammer After knocking out the holes we recommend you paint the edges and areas around the edges using repair paint to prevent 1 rusting When passing electrical wiring through the knockout holes remove any burrs from the knockout hole edges Wrap the wiring with protective tape in order to prevent damage to the wires put the wires through field supplied protective wire conduits at that location or install suitable field supplied wire nipples or rubber bushings into the knockout holes Inside switchbox Fix to the indicated plastic brackets using field supplied clamping material Wiring between the units Outdoor outdoor F1 F2 right Wiring between the units Indoor outdoor F1 F2 left Internal transmission wiring Q1 Q2 Plastic bracket a fF o NM Field supplied clamps When connecting wires to the terminal block on the PC board too O much heat or tightening could damage the PC board Attach with care Q R See the table below for the tightening torque of the transmission wiring terminals 1 3 Screw size Tightening torque Nem M3 5
74. he procedure as described in this chapter Refrigerant cannot be charged until all field wiring and field piping has been completed Refrigerant may only be charged after performing the leak test and the vacuum drying 11 1 Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP value 1975 1 GWP global warming potential Please fill in with indelible ink the factory refrigerant charge of the product the additional refrigerant amount charged in the field and 09 the total refrigerant charge on the fluorinated greenhouse gases label supplied with the product Installation manual 14 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4 48462 1 The filled out label must be adhered the inside of the product and in the proximity of the product charging port e g on the inside of the service cover Contains fluorinated greenhouse gases covered by the Kyoto Protocol L4 1 factory refrigerant charge of the product RM0A ks see unit name plate 2 additional refrigerant kg amount charged the field total refrigerant charge mm oo 2 contains fluorinated 6 5 greenhouse gases covered by the Kyoto Protocol outdoo
75. its of the types BSVQ100P BSVQ160P and BSVQ250P only Other BS unit types will cause malfunctions when combined with the REYQ P system The REYQ P units can be combined with Daikin VRV indoor units for air conditioning purposes suitable for R410A The present installation manual describes the procedures for unpacking installing and connecting the REYQ P units Installation of the indoor units is not described in this manual Always refer to the installation manual supplied with these units for their installation REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 1 1 Indoor capacity range The indoor units can be installed in the following range Always use appropriate indoor units compatible with To learn which models of indoor units are compatible with R410A refer to the product catalogs Total capacity of indoor units Outdoor unit Total capacity of indoor units REYQ8 100 260 REYQ10 125 325 REYQ12 150 390 REYQ14 175 455 REYQ16 200 520 NOTE If the total capacity of the connected indoor units Aa exceeds the capacity of the outdoor unit cooling and heating performance may drop when running the indoor units Refer to the section on performance charac teristics in the Engineering Data Book for details B There are restrictions on the refrigerant pipe connection order between outdoor units during installation in c
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77. kage breaker field supply Phase reversal detection circuit m Use copper conductors only Wu For connection wiring to the central remote Thermistor air fin controller refer to the installation manual of the Thermistor H E gas 1 H E de icer 1 sub cool H E central remote controller gas 1 sub cool H E liquid H E liquid 1 suction 1 liquid 1 suction 2 H E gas 2 H E de icer 2 sub cool H E gas 2 liquid 2 H E liquid 2 Resistor current sensor Thermistor discharge M1C M2C Resistor Use insulated wire for the power cord Resistor current sensor Resistor current limiting Pressure sensor high Pressure sensor low Pressure switch high SD aee Safety devices input iain Current sensor iri Diode bridge VAR V2R Power module X1A X9A Connector uie Terminal strip power supply KAM Terminal strip control YTESYb5E Electronic expansion valve main 1 sub cool 1 main 2 charge sub cool 2 15 75 Solenoid valve RMTG 4 way valve H E gas 1 RMTL hot gas EV bypass 1 RMTT RMTO 4 way valve H E gas 2 EV bypass 2 Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B 1 0 VRVIII System air conditioner 4 48462 1 8 3 Power circuit and cable requirements A power circuit see table below must be provided for connection of the unit This circuit must b
78. material The green and yellow striped wrapped wires must be used for Maximum wiring length 1000 m grounding See figure 24 Total wiring length 2000 m Em ower su 3N 2 Maximum number of branches 16 pply 2 Earth leakage breaker m Maximum number of independent interconnectable 3 Fuse systems TO OUT D UNIT F1 F2 10 4 Grounding wire Upto 16 branches are possible for unit to unit cabling r No branching is allowed after branching Uppy See figure 20 6 Connect each power wire RED to L1 WHT to L2 BLK to L3 and BLU to N 1 Outdoor unit 7 Ground wire GRN YLW 2 Indoor unit Clamp the power wire to the plastic bracket using a field supplied clamp to prevent external force being applied to the terminal Main li 3 9 Clamp field supply 4 Branch ni 1 10 Cup washer 3 Wo branch is allowedianerbranah 11 When connecting the earth wire it is recommended to perform 6 Transmission wiring between outdoor unit and indoor curling 12 Electric component box 1 m Never connect the power supply to transmission 13 Electric component box 2 wiring terminal block Otherwise the entire system It is not required to open electric component box 2 for may break down installation m Never connect 400 V to the terminal block of the interconnecting wiring Doing so will break the entire system The wiring from the indoor units must be connected to the F1 F2 In Out terminals on th
79. move the pinched use the suitable adapters for the change over from inch to piping mm pipes field supply 1 Remove the valve lid and make sure mM gt that the stop valves are fully closed zi COH 6 3 Pipe connection Be sure to perform a nitrogen blow when brazing and to read the paragraph Caution to be taken when brazing refrigerant piping on 2 Connect a charge hose to service ports of all page 4 first stop valves 3 Recover gas and oil from the pinched piping by NOTE The pressure regulator for the nitrogen released when using a recovery unit qu doing the brazing should be set to 0 02 MPa or less vent the zx atmosphere 1 Refrigerant piping 2 Location to be brazed 4 When all gas and oil is recovered from the 3 Nitrogen pinched piping disconnect the charge hose and 4 Taping close the service ports 5 Manual valve 5 In case the pinched piping lower parts looks like 6 Regulator detail figure9 proceed with procedure step 8 7 Nitrogen In case the pinched piping lower part looks like detail B in figure 9 follow instructions as per Do not use anti oxidants when brazing the pipe joints procedure steps 6 7 8 6 Cut off the lower part of the smaller pinched Residue can clog pipes and break equipment kai piping with an appropriate tool e g a pipe cutter a pair of nippers so that a cross section is open allowing remaining oil to drip out in ca
80. nal board m Use an appropriate screwdriver for tightening the terminal screws A screwdriver with a small head will Be about polarity of the transmission line damage the head and make proper tightening m Make sure that the transmission line is clamped as impossible faure i B Over tightening the terminal screws may break them Ghece that nd lings Make contact with See the table below for tightening torque for the refrigerant piping terminal screws m Firmly close the lid and arrange the electrical wires as to prevent the lid or other parts from coming loose Tightening torque N m m When you do not use a wire conduit be sure to 8 Power terminal block protect the wires with vinyl tubes etc to prevent the edge of the knock out hole from cutting the wires 5 5 7 3 M8 Ground Recommendations when connecting the ground When pulling the ground wire out wire it so that it comes through the cut out section of the cup washer An improper ground connection may prevent a good ground from being achieved See figure 24 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A Installation manual 13 DAIKIN 8 9 Wiring example for wiring inside unit See figure 25 Power wiring Wiring between units Clamp to the electric component box with field supplied clamps When routing out the power ground wires from the right side ao
81. nd 75 A per phase Keep power imbalance within 2 of the supply rating Large imbalance will shorten the life of the smoothing capacitor Asa protective measure the product will stop operating and an error indication will be made when power imbalance exceeds 4 of the supply rating Follow the electrical wiring diagram supplied with the unit when carrying out any electrical wiring Only proceed with wiring work after all power is shut off Always ground wires In accordance with national regulations of the pertinent country Do not connect the ground wire to gas pipes sewage pipes lightning rods or telephone ground wires This may cause electric shock Combustion gas pipes can explode or catch fire if there is a gas leak Sewage pipes no grounding effect is possible if hard plastic piping is used Telephone ground wires and lightning rods dangerous when struck by lightning due to abnormal rise in electrical potential in the grounding This unit uses an inverter and therefore generates noise which will have to be reduced to avoid interfering with other devices The outer casing of the product may take on an electrical charge due to leaked electrical current which will have to be discharged with the grounding sure to install an earth leakage breaker One that handle high frequency electrical noise This unit uses an inverter which means that an earth leakage breaker cap
82. ng out the instructed of the instructed temperature temperature range range the unit can still be operated the initial refrigerant normally but the leak detection detection has failed function will not be available Perform the test operation again within the instructed temperature range After correcting the abnormality press the BS3 RETURN button and reset the malfunction code Carry out the test operation again and confirm that the abnormality is properly corrected 12 5 Final check after installation After all installation works are completed operate the unit normally and check the following Make sure the indoor units and outdoor unit are operating normally Operate each indoor unit separately and make sure the corresponding outdoor unit is also operating properly Check if cold or hot air is coming out from the indoor unit Push the fan direction and fan strength buttons on the remote controller to check if they are operating properly NOTE Heating is not possible if the outdoor temperature is 24 C higher Refer to the operation manual m f a knocking sound is heard in the liquid compression of the compressor stop the unit immediately and then energize the crankcase heater for sufficient length of time before restarting the operation Once stopped the compressor will not restart about 5 minutes even if the ON OFF button on the remote controller is pushed m When the sy
83. ng which the unit is to be brought in Bring the unit as close as possible to its final installation position in its original package to prevent damage during transport as shown in figure 4 1 Packaging material 2 Belt sling 3 Opening 4 Protector Lift the unit preferably with a crane and 2 belts of at least 8 m long as shown in figure 4 Always use protectors to prevent belt damage and pay attention to the position of the unit s centre of gravity NOTE Use a belt sling of lt 20 mm wide that adequately bears the weight of the unit A forklift can only be used for transport as long as the unit remains on its pallet as shown in figure 5 For placing the unit on its final position a crane and 2 belts must be used These belts must be pulled through the small openings on the bottom of the unit as shown in figure 4 UNPACKING AND PLACING THE UNIT Remove the four screws fixing the unit to the pallet Make sure the unit is installed level on a sufficiently strong base to prevent vibration and noise Do not use stands to only support the corners See figure 6 X Not allowed Allowed units mm The height of the foundation must at least be 150 mm from the floor The unit must be installed on a solid longitudinal foundation steelbeam frame or concrete and make sure the base under the unit is larger than the grey marked area as indicated in figure 3 Hole for foundation bolt Inner dime
84. nnection when taken out from the bottom as shown in figure 7 1 Left side connection 2 Front connection 3 Right side connection NOTE Precautions when knocking out knockout holes B Be sure to avoid damaging the casing B After knocking out the knockout holes we recommend you remove the burrs and paint the edges and areas around the edges using repair paint to prevent rusting m When passing electrical wiring through the knockout holes wrap the wiring with protective tape to prevent damage as shown in figure 8 Minimal thickness Minimal thickness Pipe t mm Pipe t mm 1 Large knockout hole 6 4 0 80 22 2 0 80 2 Drill 9 5 0 80 28 6 0 99 3 Points for drilling 12 7 0 80 34 9 1 21 15 9 0 99 41 3 1 43 191 080 2 Removing the pinched piping See figure 9 3 sure to use the particular branches of piping that have A Any gas or oil remaining inside the stop valve may been selected referring to chapter 6 6 Example of connection blow off the pinched piping Failure to observe the on page 7 instructions in procedure below properly may result in 4 In case the required pipe sizes inch sizes are not available it is property damage or personal injury which may be also allowed to use other diameters mm sizes taken the serious depending on the circumstances following into account select the pipe size nearest to the required size Use the following procedure to re
85. nsion of the base Distance between foundation bolt holes Depth of unit Outher dimension of the base Longitudinal foundation dimension oO FP OD Distance between foundation bolt holes Fasten the unit in place using four foundation bolts M12 It is best to screw in the foundation bolts until their length remains 20mm above the foundation surface Prepare a water drainage channel around the foundation to drain waste water from around the unit B f the unit is to be installed on a roof check the strength of the roof and its drainage facilities first f the unit is to be installed on a frame install the waterproofing board within a distance of 150 mm under the unit in order to prevent infiltration of water coming from under the unit m When installed in a corrosive environment use a nut with plastic washer 1 to protect the nut tightening part from rust 6 REFRIGERANT PIPING Do not insert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury A Use R410A to add refrigerant All field piping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations Caution to be taken when brazing refrigerant piping Do not use flux when brazing copper to copper refrigerant piping Particularly for the refrigerant piping Therefore use the phospho
86. oor unit expansion valves will fully open The H1P LED is on and the remote controller indicates TEST test operation and external control and the operation will be prohibited Recover the refrigerant by a refrigerant reclaimer For details see the operation manual delivered with the refrigerant reclaimer Press the BS1 MODE button and reset the setting mode 2 Installation manual 24 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4 48462 1 14 ADDITIONAL REFRIGERANT CHARGING METHOD When leak detection function is not required and the entire refrigerant quantity can not be charged through the liquid pipe stop valve service port with the unit not operating refer to Pre charging on page 17 make sure to charge the remaining charging quantity using the following procedure 1 Turn the power of the indoor unit the BS unit and the outdoor unit on 2 Make sure to open the stop valves of the suction gas pipe the high pressure low pressure gas pipe and the liquid pipe completely 3 Connect the refrigerant charge hose to the refrigerant charging port for additional charging 4 When the unit is not operating push the BS2 SET button until the additional refrigerant charging operation function A in setting mode 2 can be defined refer to Setting the mode on page 22 the HIP LED is on 32 5 operation starts automatically The LED will start flashing XK and
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88. pen the electric component box cover for 10 minutes after the power supply is turned off 2 Measure the voltage between terminals on the terminal block for power supply with a tester and confirm that the power supply is shut off In addition measure the points as shown in the figure below with a tester and confirm that the voltage of the capacitor in the main circuit is less than 50 V DC 3 To prevent damaging the PC board touch a non coated metal part to eliminate static electricity before pulling out or plugging in connectors 4 Pull out junction connectors X1A X2A X3A X4A X3A and X4A of REYQ14 16P are inside the electric component box 2 refer to the wiring diagram for the fan motors in the outdoor unit before starting service operation on the inverter equipment Be careful not to touch the live parts If fan rotates due to strong wind it may store electricity in the capacitor or in the main circuit and cause electric shock 5 After the service is finished plug the junction connecter back in Otherwise the error code will be displayed on the remote controller and normal operation will not be performed For details refer to the wiring diagram labelled on the back of the electric component box cover NOTE If you get confused in the middle of the input qu process press the BS1 MODE button to return to setting mode 1 initial state The H1P LED is off
89. r malfunction code display on page 19 Installation manual 18 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A 9 Complete 2 H5P H6P H7P dk Xk iX Xi bon The display on the remote controller shows a flashing PE code for signalling that automatic charging will be finished in about 10 minutes When the unit stops operating close valve A immediately and check the LEDs and check if the code is displayed on the remote controller NOTE Always close valve A and remove the refrigerant qu tank immediately after finishing the refrigerant B charge operation The refrigerant charge port of these units have electric expansion valves that will close automatically when refrigerant charging operation has finished However the electric expansion valves will be opened when other operations start after finishing refrigerant charging operation If the refrigerant tank is left with the valve open the amount of refrigerant which is properly charged may be off the point H2P H5P H6P H7P dk i nb on If the LED indication is not as shown above correct the malfunction as indicated in the display of the remote controller and restart the complete charging procedure When the charging amount is little the PE code may not be displayed but instead the code will be displayed immediately Beware of the fan
90. r copper brazing filler metal BCuP which does not require flux Flux has extremely harmful influence on refrigerant piping systems For instance if the chlorine based flux is used it will cause pipe corrosion or in particular if the flux contains fluorine it will damage the refrigerant oil Be sure to perform a nitrogen blow when brazing Brazing without releasing nitrogen into the piping will create large quantities of oxidized film on the inside of the pipes adversely affecting valves and compressors the refrigerating system and preventing normal operation After completing the installation work check that the refrigerant gas does not leak Do not open stop valves until all field wiring is according to the specifications refer to 8 Field wiring on page 9 the checking of the unit has been completed and all installation conditions are fulfilled refer to 10 Checking of unit and installation conditions on page 14 Toxic gas may be produced if the refrigerant gas leaks into the room and comes in contact with a source of fire Ventilate the area immediately in the event of a leak In the event of a leak do not touch the leaked refrigerant directly Frostbite may be caused B 1 Make su etc that pressure SUNISO Installation tools re to use installation tools gauge manifold charge hose are exclusively used for R410A installations to withstand the and to prevent foreign materials e g mineral oils
91. r unit refrigerant cylinder and manifold for charging NOTE National implementation of EU regulation on certain 4 fluorinated greenhouse gases require to provide the appropriate official national language on the unit Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit Sticking instructions are illustrated on the backside of that label 11 2 Precautions when adding R410A Be sure to charge the specified amount of refrigerant in liquid state Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation Before charging check whether the refrigerant cylinder is equipped with a siphon tube or not Charge the liquid refrigerant with the cylinder in upright position Charge the liquid refrigerant with the cylinder in up side down position Be sure to use tools exclusively for R410A to ensure required pressure resistance and to prevent foreign materials from mixing into the system A Charging with an unsuitable substance may cause explosions and accidents so always make sure that the appropriate refrigerant R410A is charged Refrigerant containers must be opened slowly 11 3 Stop valve operation procedure Size of stop valve The sizes of the stop valves connected to the system are as listed in the table below Type of stop valve 8 Hp 10 Hp 12 Hp 14 Hp
92. ressure low pressure D I dic te accessory pipe 2 0191 0222 Tx 1x Accessory joint angle of 90 1 0254 1 1x 1x 1x 1x Accessory joint angle of 90 2 0191 1 1x 1x 1x 1x Accessory joint 1 3 Optional accessories To install the above outdoor unit the following optional parts are also required Refrigerant branching kit for R410A only Always use an appropriate kit dedicated for your system Refnet header Refnet joint 3 pipes 2 pipes 3 pipes 2 pipes KHRQ23M29H KHRQ22M29H KHRQ23M20T KHRQ22M20T KHRQ23M64H KHRQ22M64H KHRQ23M29T9 KHRQ22M29T KHRQ23M75H KHRQ22M75H KHRQ23M64T KHRQ22M64T KHRQ23M75T KHRQ22M75T To select an optimum refrigerant branching kit refer to 6 Refrigerant piping on page 4 1 4 Technical and Electrical specifications Refer to the Engineering Data Book for the complete list of specifications 2 MAIN COMPONENTS For main components and function of the main components refer to the Engineering Data Book Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A 3 SELECTION OF LOCATION This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment This is class A product In a domestic environment this product may cause radio interference in which c
93. roller abnormal and correct the abnormality by following stop the Correcting after abnormal completion of the test operation on page 24 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB Availability of the leak detection function feature requires input of the additional refrigerant charge amount immediately after finishing the automatic charging The input must be executed before performing the test operation If a wrong value is input for the additional charged refrigerant weight the accuracy of the leak detection function will decrease Procedure 1 Close the electric box lid and all front panels except the one on the side of the electric box 2 Press and hold the BS1 MODE button for 5 seconds to enter into setting mode 2 The H1P LED is on 32 3 Pressthe BS2 SET button 14 times The LED display must be as follows H2P H5P H6P H7P e rx xe Press the BS3 RETURN button once as confirmation of the LEDs combination LEDs will be blinking in function of the last entered setting factory setting 0 kg REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 19 5 The weighed already recorded amount of additional refrigerant charge not the total amount of refrigerant present in the system must be entered by selecting the corresponding LED display Scroll
94. rotection detector of this product only functions when the product starts up Consequently reversed phase detection consequently is not performed during normal operation of the product The reversed phase protection detector is designed to stop the product in the event of an abnormality when the product is started up Replace two of the three phases L1 L2 and L3 during reverse phase protection circuit operation If there exists the possibility of reversed phase after an momentary black out and the power goes 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 Means for disconnection must be incorporated in the field wiring in accordance with the wiring rules An all pole disconnection switch must be available on the unit REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 9 8 1 Internal wiring Parts table Refer to the wiring diagram sticker the unit The abbreviations used are listed below Live 1 8 Printed circuit board main sub 1 sub 2 noise Neutral filter inverter fan current sensor Field wiring 851 855 Push button switch mode set return test reset Terminal strip C1 C63 C66 Capacitor E1HC E3HC Crankcase heater
95. rrying out piping work in the field Be sure that the field installed piping does not A More than a month Pinch the pipe touch other pipes the bottom panel or side 5 Less than month Pinch or tape the pipe panel Especially for the bottom and side Py Regardless of the period connection be sure to protect the piping with suitable insulation to prevent it from coming into G m h h h contact with the casing bd caution is needed when passing copper tubes throug 3 Connecting refrigerant piping to the outdoor unit Block all gaps in the holes for passing out piping and wiring using sealing material field supply The capacity of the unit NOTE local interunit piping are field supplied except 2 Smal animals mmay enter the macnine alm the accessory pipes Example passing piping out through the front 1 Plug the areas marked with Front connection Remove the stop valve cover to connect See figure 11 When the piping is routed T from the front panel B Bottom connection Remove the knockout holes on the bottom frame and route the piping under the bottom frame See figure 11 B Incase of REYQ8 use the accessory joint for connecting the i suction gas accessory pipe 2 to the suction gas stop valve After all the piping has been connected make sure there is See figure 11 C no gas leak Use nitrogen to perform a gas leak check 1 Liquid pipe stop valve 2 Suction gas pipe stop valve 3 High pre
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97. se the recovery was not complete Wait until all oil is dripped out 8 Dissolve the brazing using a burner and remove the pinched piping or cut the pinched piping off with a pipe cutter REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN Installation manual VRVIII System air conditioner 4PW48462 1A 5 See figure 9 4 Branching the refrigerant piping 1 Pinched piping For installation of the refrigerant branching kit refer to the M installation manual delivered with the kit SS See figure 14 3 Service port 4 Point of melting the brazing metal 1 Horizontal surface 5 Small lower piece of pipe Follow the conditions listed below Mount the refnet joint so that it branches either Precautions when connecting field piping horizontally or vertically Add brazing material as shown in the figure Mount the refnet header so that it branches horizontally 5 Piping length restrictions lt 025 4 gt 025 4 RNC 1 Make sure to perform the piping installation within the range of 1 the maximum allowable pipe length allowable level difference and allowable length after branching indicated 6 6 Example of connection on page 7 cm 2 2 6 5 Protection against contamination when 1 1 installing pipes Take measures to prevent foreign materials like moisture and sure to use the supplied accessory pipes contamination from mixing into the system when ca
98. ssure low pressure gas pipe stop valve 4 Brazing 5 Liquid accessory pipe 1 6 Suction gas accessory pipe 1 7 High pressure low pressure gas accessory pipe 1 8 Accessory joint angle 90 1 9 Accessory joint angle 90 2 10 Liquid accessory pipe 2 11 Suction gas accessory pipe 2 12 High pressure low pressure gas accessory pipe 2 13 Accessory joint NOTE Make sure that the onsite piping does not come in qu contact with other piping the bottom frame or side panels of the unit Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A Example of connection 6 6 8 9 G 7 8 2 1 9 G pt E 7 SHUN Joopur 19pe8u 19Uj8J JO 5 JOOPU 1 1 9520 g SHUN g JUIO jeujeJ jo eseo 8 9 G SHUN JOOPU 9 1 Jo eseo ul ejdurexa jo JSZNCCOHHA lSZIN COHHM 0 9 lv9WcCOHHM lv9INECOHHM 0v97X 06c l62WeccOHHM 6 162 NECOHHM 062 gt gt 002 102 42208 LOZWEZOUHY 002 gt yy youelq 100pul HSZINECOHHM 079 lt Yours SHUN 1oopui jo 09 gt gt 062 941 peseq uoueJq
99. stem operation is stopped by the remote controller the outdoor unit may continue operation for a maximum of 5 minutes The outdoor fan may rotate at low speeds in the night time low noise setting or the external low noise level setting is made but this is not a malfunction 13 SERVICE MODE OPERATION NOTE Do not shut off the power and do not reset the setting of mode 2 when vaccuuming or recovering refrigerant Otherwise the expansion valves will close making it impossible to vaccuum the system or to recover the refrigerant Vacuuming method At the first installation this vacuuming is not required It is required only for repair purposes 1 2 3 When the unit is at standstill and under the setting mode 2 set the required function B refrigerant recovery operation vacuuming operation to ON ON The indoor units BS units and the outdoor unit expansion valves will fully open The H1P LED is on and the remote controller indicates TEST test operation and A external control and the operation will be prohibited Evacuate the system with a vacuum pump Press the BS1 MODE button and reset the setting mode 2 Refrigerant recovery operation method by a refrigerant reclaimer 1 When the unit is at standstill and under the setting mode 2 set the required function B refrigerant recovery operation vacuuming operation to ON ON The indoor units BS units and the outd
100. systems use the amount of refrigerant with which each separate system is charged REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A DAIKIN Installation manual 25 2 Calculate the smallest room volume m NOTES In a case such as the following calculate the volume of A B as a single room or as the smallest room A Where there are no smaller room divisions B Where there is a room division but there is an opening between the rooms sufficiently large to permit a free flow of air back and forth 1 opening between rooms 2 partition Where there is an opening without a door or where there are openings above and below the door which are each equivalent in size to 0 1596 or more of the floor area 3 Calculating the refrigerant density using the results of the calculations in steps 1 and 2 above total volume of refrigerant in the refrigerant system size 13 of smallest room in which there 15 an indoor unit installed maximum concentration level If the result of the above calculation exceeds the maximum concentration level then make similar calculations for the second then third smallest room and so until the result falls short of the maximum concentration 4 Dealing with the situations where the result exceeds the maximum concentration level Where the installation of a facility results in a concentration in excess of the maximum concentration level then it
101. tance always use the special tools dedicated for working with R410A refrigerant B Leaktest NOTE Make sure to use nitrogen gas Pressurize the liquid pipe the suction gas pipe and the high pressure low pressure gas pipe from the service ports of each stop valve to 4 0 MPa 40 bar do not pressurize more than 4 0 MPa 40 bar If the pressure does not drop within 24 hours the system passes the test If the pressure drops check where the nitrogen leaks from All field wiring and components must be installed by a licensed electrician and must comply with relevant local and national regulations The field wiring must be carried out in accordance with the wiring diagrams and the instructions given below Be sure to use a dedicated power circuit Never use a power supply shared by another appliance This can lead to electric shock or fire Be sure to install an earth leakage circuit breaker Because this unit uses an inverter install an earth leakage circuit breaker that is capable of handling high harmonics in order to prevent malfunctioning of the earth leakage breaker itself Do not operate until refrigerant piping work is completed If operated before completion of the piping work the compressor may break down Never remove a thermistor sensor etc when connecting power wiring and transmission wiring If operated without thermistor compressor may break down sensor etc the The reversed phase p
102. the connected indoor unit will operate as well setting on page 21 Working on a indoor unit while performing a test operation is dangerous 4 Press the BS1 MODE button once and set to the SETTING MODE H1P LED OFF In case the unit is operated with the leak detection function 5 In case the leak detection function is required available press and hold the BS4 TEST button down for 5 seconds or the outdoor temperature must be 0 DB 43 C DB more The unit will start the test operation the indoor temperature must be 20 C DB 32 C DB In case the leak detection function is not required In case the unit is operated out of the temperature range as 9o m 1 an pe pe MOSE d for 5 instructed above the display of the remote controller shows U IS ON Se HOLM IOUOWITI E STepS and the unit operates without the availability of the leak detection 1 Pressthe BS2 SET button 3 times function HIP H2P H3P H5P H6P H7P In the test operation the following checks and judgement will be eae performed 5m e e e e v Check of the stop valve opening 2 Pressthe BS3 RETURN button once to confirm for wrong wiring H2P H3P H5P H7P Check of refrigerant overcharge gt x Initial refrigerant detection 3 Press the BS2 SET button in order to change the LED In case the leak detection function is available the check display to the following display operation
103. the messages Test operation and Under centralized control will display on the remote controller 6 After charging the specified quantity of refrigerant press the BS3 RETURN button to stop the operation The operation will stop within 30 minutes f charging is not completed after 30 minutes set and perform the additional refrigerant charging operation again f the additional refrigerant charging operation stops before the passing of 30 minutes the system may be overcharged Never charge extra refrigerant Disconnect the refrigerant charge hose Perform 11 7 Checks after adding refrigerant as explained on page 20 15 CAUTION FOR REFRIGERANT LEAKS Introduction The installer and system specialist shall secure safety against leakage according to local regulations or standards The following standards may be applicable if local regulations are not available This system uses R410A as refrigerant R410A itself is an entirely safe non toxic non combustible refrigerant Nevertheless care must be taken to ensure that air conditioning facilities are installed in a room which is sufficiently large This assures that the maximum concentration level of refrigerant gas is not exceeded in the unlikely event of major leak in the system and this in accordance to the local applicable regulations and standards Maximum concentration level The maximum charge of refrigerant and the calculation of the maximum con
104. tion might form on the surface of the insulation If there is a possibility that condensation on the stop valve might drip down into the indoor unit through gaps in the insulation and piping because the outdoor unit is located higher than the indoor unit this must be prevented by sealing up the connections See figure 10 1 Insulation material 2 Caulking etc A Be sure to insulate local pipes as touching them can cause burns 10 CHECKING OF UNIT AND INSTALLATION CONDITIONS Be sure to check the following The piping work 1 Make sure piping size is correct See 6 2 Selection of piping material on page 5 2 sure insulation work is done See 9 Pipe insulation on page 14 3 sure there is no faulty refrigerant piping See 6 Refrigerant piping on page 4 The electrical work 1 sure there is no faulty power wiring or loose nuts See 8 Field wiring on page 9 2 sure there is no faulty transmission wiring or loose nuts See 8 Field wiring on page 9 3 Make sure the insulation resistance of the main power circuit is not deteriorated Measure the insulation resistance and check if the value is in accordance with relevant local and national regulations 11 CHARGING REFRIGERANT The outdoor unit is factory charged but depending on the length of the piping when installed the outdoor unit may require additional charging For charging the additional refrigerant follow t
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106. will be necessary to revise the system Please consult your supplier 76 DISPOSAL REGUIREMENTS Dismantling of the unit treatment of the refrigerant of oil and of other parts must be done in accordance with relevant local and national legislation Installation manual DAIKIN 26 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1A NE 059 LAD 1 f 15 1 TOIND UNIT TO OUTD UNT 15 14 17 N L1 12 L3 20 25 24 4PW48462 1 00000000 Copyright Daikin DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4 48462 1
107. y B Introducing power with a missing N phase or with a mistaken N phase will break the equipment After the installation check the following before switching on the circuit breaker 1 The position of the switches that require an initial setting Make sure that switches are set according to your application needs before turning the power supply on 2 Power supply wiring and transmission wiring Use a designated power supply and transmission wiring and make sure that it has been carried out according to the instructions described in this manual according to the wiring diagrams and according to local and national regulations 3 Pipe sizes and pipe insulation Make sure that correct pipe sizes are installed and that the insulation work is properly executed 4 Airtight test and vacuum drying Make sure the air tight test and vacuum drying were completed 5 Additional refrigerant charge The amount of refrigerant to be added to the unit should be written on the included Added Refrigerant plate and attached to the rear side of the front cover 6 Insulation test of the main power circuit Measure the insulation resistance and check if the value is in accordance with relevant local and national regulations 7 Installation date and field setting Be sure to keep record of the installation date on the sticker on the rear of the upper front panel according to EN60335 2 40 and keep record of the contents of the field setting 12
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