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INSTALLATION MANUAL

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1. ANNO AS 529 15 14 3 Li L2 L3 N 25 24 4PW48462 1 0000000R Copyright 2008 Daikin DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4PW48462 1B 07 2010
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6. 1 4 Technical and Electrical specifications 52 B Clean and dry 2 COMPONE NiS se Foreign materials including mineral oils such as 3 Selection ot IOCatloh i ii dm ee t 3 SUNISO oil or moisture should be prevented from 4 Inspecting and handling the 4 getting mixed into the system 5 Unpacking and placing erepto 4 6 Refrigerant pi pints 4 R410A does not contain any chlorine does not 6 1 Installation tools ud destroy the ozone layer and does not reduce the 6 2 Selection of piping material 5 earth s protection against harmful ultraviolet radiation 6 3 Pipe connection um Ps R410A can contribute slightly to the greenhouse 6 4 Connecting the refrigerant 5 ip cigs i 6 5 Protection against contamination when installing pipes f effect if it is released Therefore Ne should take 6 6 Example B special attention to check the tightness of the 7 Leak test and vacuum 222 10 installation 8 bo iss ene 1 Read 6 Refrigerant piping on page 4 carefully and follow Internal wiring Parts table 8 2 Optional parts connector these procedures correctly 8 3 Power circuit and cable requirements ap be 8 4 General cautions
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8. 8 5 System ES Since design pressure is 4 0 MPa or 40 bar for 407 8 6 Leading power line and transmission line 13 units 3 3 MPa or 33 bar pipes of larger wall thickness 8 7 Field line connection transmission wiring 10 may be required The wall thickness of piping must be 8 8 Field line connection power wiring 14 8 9 Wiring example for wiring inside unit 15 carefully selected refer to paragraph 6 2 Selection of 9 Pipe Maulan scu p LL ee 15 piping material on page 5 for more details 10 Checking of unit and installation conditions 15 111 Charging feffiQefaliln odere iter 15 11 1 Important information regarding the refrigerant used 15 1 INTRODUCTION 11 2 Precautions when adding 410 11 3 Stop valve operation procedure ES i us 11 4 How to check how many units are connected This installation manual concerns VRW inverters of the Daikin 11 5 Additional refrigerant charge sss REYQ P series These units are designed for outdoor installation and 11 6 Procedure for inputting the additional refrigerant charge weight used for cooling and heat pump applications The REYQ8 16P ks 1152 4 system is a single outdoor system and can not
9. e display on the remote controller shows a flashing PE code PB Close valve A immediately and press the TEST OPERATION for signalling that automatic charging will be finished in about 10 recharge button once minutes operation The operation will restart from the charging mode judgement When the unit stops operating close valve A immediately and onwards check the LEDs and check if the PS code is displayed on the Close valve A immediately Check remote controller charge following items hold Check if the gas stop valve is opened 2 i correctly Always ang Tho refrigerant Check if the valve of the refrigerant ihe automate tank immediately after finishing the refrigerant cylinder is opened charging procedure charge operation Check if the air inlet and outlet of the 2921 indoor unit are not obstructed The refrigerant charge port of these units have electric expansion valves that will close Remote controller cooling mode malfunction codes automatically when refrigerant charging operation valves will be opened when other operations start PE Charging is almost finished Ready to close valve A after finishing refrigerant charging operation pg Charging is finished Close valve A and remove the refrigerant If the refrigerant tank is left with the valve open tank the amount of refrigerant which is properly PA PH Close v
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12. 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 Suction side Sides along the installation site with obstacles In 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 on service space dimensions W case of an installation site where only the sides A B 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 8 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
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18. 1x 1 fx 1 1x 2 Multi outdoor unit connection piping kit first branch Accessory joint 1 1 1 3 Multi outdoor unit connection piping kit encore branch 4 3 Optional accessories To install the above outdoor unit the following optional parts are also 1 2 Standard supplied accessories required Refrigerant branching kit for R410A only Always use an appropriate See location 1 in figure 18 for reference to where following kit dedicated for your system accessories are supplied with the unit Refnet header Refnet joint Installation manual 1x Operation manual 1x 3 pipes 2 pipes 3 pipes 2 pipes Additional refrigerant charge label 1x KHRQ23M29H KHRQ22M29H KHRQ23M20T KHRQ22M20T Installationinformatonsteken KHRQ23M64H KHRQ22M64H KHRQ23M29T9 KHRQ22M29T Fluorinated greenhouse gases label 1x Multilingual fluorinated greenhouse gases label 1x 2 75 _ KARQ22M75H KHRO 23M64T 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 2 VRVIII System air conditioner 4PW48462
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20. H5P H6P H7P e eee 3 Indication of power consumption limitation setting DEMAND standard operation factory setting 3 DEMAND operation H2P H5P H6P H7P e e eee REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 23 12 4 Test operation Test operation procedure 24 1 Close all front panels except the front panel of the electric 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 z Be sure to turn on the power 6 hours before operation in order to 2 the test operation while working the have power running to the crankcase heater and to protect the indoor units compressor When performing the test operation not only the outdoor Make the field setting as described in the paragraph 12 3 Field unit but the connected indoor unit will operate as well setting on page 22 Working on a indoor unit while performing a test operation is dangerous 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 Incase the leak detection function is required available press and hold the BS4 TEST but
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26. high static pressure setting H evaporating temperature setting H1P H2P H5P H6P H7P exe 0 e te c X e n e Hh pit e xe e n cr BENED xe e ar t o Hi e e 2 When the BS3 RETURN button 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 are ON ON or OFF OFF HiP H2P H3P H4P H5P H6P H7P ON xe or it e e e e a This setting factory setting aM ri e a This setting factory setting 4 Pushthe 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 can be confirmed by setting mode 1 H1P LED is off Check the LED indication in the field marked 1 Indication of the present operation state normal 3 abnormal 9 7 under preparation or under test operation H1P H2P H3P H4P 5 H6P H7P e 2 Indication of low noise operation state L N O P standard operation factory setting X LN OPP operation H2P
27. 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 amount of 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 systems use the amount of refrigerant with which each separate system is charged Installation manual 26 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 2 Calculate the smallest room volume m3 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 per
28. 1 Horizontal surface Follow the conditions listed below Mount the refnet joint so that it branches either horizontally or vertically Mount the refnet header so that it branches horizontally 5 Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length allowable level difference and allowable length after branching indicated 6 6 Example of connection on page 8 6 5 Protection against contamination when installing pipes Take measures to prevent foreign materials like moisture and contamination from mixing into the system Installation period Protection method More than a month Pinch the pipe Less than a month Pinch or tape the pipe Regardless of the period Great caution is needed when passing copper tubes through walls Block all gaps in the holes for passing out piping and wiring using sealing material field supply The capacity of the unit will drop and small animals may enter the machine Example passing piping out through the front 1 Plug the areas marked with When the piping is routed from the front panel After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas leak check REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN VRVIII System air conditioner 4PW48462 1B 07 2010 Installation manual 7 Example of connection 6 6
29. 2 1x 1x 1x 1x 1x REYQ10 125 325 REYQ12 150 390 4 REYQ14 175 455 0222 REYQ16 200 520 Suction gas accessory pipe 1 tx 022 2 Wi total capacity of the connected indoor units mi 1x 1x 1x exceeds the capacity of the outdoor unit cooling and heating performance may drop when running 0194 dx m ER the indoor units i _ bee Refer to the section on performance charac eres oy 0222 Las teristics in the Engineering Data Book for details C p asal zu 028 6 There are restrictions on the refrigerant pipe connection order between outdoor units during installation case of a multiple outdoor unit inm High pressure low pressure p System accessory pipe 1 919 1 Install according to the following restrictions The capacities of outdoor units A B and C must A x m x 919 1 fulfill the following restriction conditions gt 015 9 High pressure low pressure EU accessory pipe 2 0191 et 022 me 1x 1x 12 3 Accessory joint angle of 90 1 9254 1 1 1 1 1 To indoor units Accessory joint angle of 90 2
30. 10 3 10sx lt 15 4 15 lt lt 20 5 20 lt 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 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 eoe eve Oo 1 20 95 lt lt 100 TR XR XR Xf RR xr XXX xw 21 100 lt Return to setting mode 1 BS1 MODE button initial state by pressing the NOTE If you get confused in the middle of the input process press the BS1 MODE button to return to setting mode 1 initial state The H1P LED is off Resume the input procedure from step 2 onwards Perform a test operation as described in 12 4 Test operation on page 24 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 Make sure to open the stop valves after charging the r
31. 2 touching live parts 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 qu on the electric component box 1 are closed while working Close the lid of the electric component box firmly before turning on the power 1 LEDH1 8P Location of the DIP switches LEDs and buttons 2 Push button switches BS1 BS5 DIP switch 1 DS1 1 4 DIP switch 2 DS2 1 4 4 DIP switch 3 083 1 2 2 1 EE a siis s LED state Throughout the manual the state of the LEDs is indicated as follows e OFF Xt ON XK Blinking Setting the push button switch BS1 5 Function of the push button switch which is located on the outdoor unit PCB A1P TEST XK SELECT MODE L N O P DEMAND voe HWL Xf IND MASTER SLAVE MULTI xt e e e e e HIP H7P HEP 51 52 BS3 54 55 MODE SET _ RETURN TEST RESET BS1 MODE For changing the set mode BS2 SET For field setting BS3 RETURN For field setting BS4 TEST For test operation BS5 RESET 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
32. 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 12 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 Leaktest 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 16 for details on handling the stop valve To prevent entry of any contamination and to prevent insufficient pressure resistance always use the special tools dedicated for working with R410A refrigerant Leak test 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
33. 3 Right side connection Temper grade use piping with temper grade in function of the pipe diameter as listed in the table below NOTE Precautions when knocking out knockout holes Pipe Temper grade of piping material 515 9 sure to avoid damaging the casing 2194 1 2H After knocking out the knockout holes we Annealed recommend you remove the burrs and paint 1 2H Half hard the edges and areas around the edges using repair paint to prevent rusting The pipe thickness of the refrigerant piping should comply When passing electrical wiring through the with relevant local and national regulations The minimal pipe knockout holes wrap the wiring with thickness for R410A piping must be in accordance with the protective tape to prevent damage as shown table below in figure 8 Minimal thickness Minimal thickness Pipe 0 t mm Pipe t mm 1 Large knockout hole 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 19 1 0 80 3 Make sure to use the particular branches of piping that have been selected referring to chapter 6 6 Example of connection on page 8 4 Incase the required pipe sizes inch sizes are not available it is also allowed to use other diameters mm sizes taken the following into account select the pipe size nearest to the required size use the suitable adapters for the change over from inch to mm pipes field su
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35. Liquid pipe stop valve 8 Valve A 9 Valve B 10 Valve C 11 Outdoor unit 12 To BS unit indoor unit 13 Stop valve 14 Service port 15 Field piping 16 Refrigerant flow when pre charging through the liquid stop valve service port refer to step 3 on page 18 17 Refrigerant flow when automatic charging through the charge port refer to step 5 on page 18 4 If the calculated amount of pre charging is reached close valve B At least the unit should be charged with its original amount of refrigerant refer to the nameplate on the unit before starting the automatic charging NOTE When the leak detection function is not required qu complete charging when using the previous described method unit is not operating can be done If itis not possible to charge the entire quantity through the service port of the liquid pipe stop valve with the unit not operating refer to 14 Additional refrigerant charging method on page 26 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 C DB or with 12 kg at an outdoor temperature of 0 C DB During the automatic charging operation you can force the operation to a halt by pushing the BS1 MODE button Start of automatic charging refrigera
36. 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 protection 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 operat
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39. indoor temperature is 10 C DB or lower in some cases the unit will charge in heating mode to increase the indoor temperature The unit will automatically select the cooling mode or heating mode for charging When charging in cooling mode the unit will stop operating when the required amount of refrigerant is charged During charging in heating mode a person must manually close valve A before complete charging is finished The required amount is the calculated amount see 6 6 of connection on page 8 therefore the weight must be monitored constantly Installation manual DAIKIN 18 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 B Charging in heating mode 6 Start up Wait while the unit is preparing for charging in heating mode H2P 5 H6P H7P e e TK TK Pressure control for the first minute Start up control xk for the next 2 minutes Waiting for stable heating conditions for the next 15 minutes according to the system e e x 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 Ready H2P 5 H6P H7P ee e e uz
40. 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 page 26 W pnotinstall in the following locations 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 and 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 1B 07 2010 DAIKIN Installation manual 3 4 INSPECTING AND HANDLING THE UNIT At delivery the packing should be check
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42. stable state It may disturb a correct decision and may cause overcharging Ready H2P H3P H4P H5P H6P H7P X d X c Press the BS4 TEST button once within 5 minutes If the BS4 TEST button is not pushed within 5 minutes will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on page 20 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 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 20 H2P H4P H5P H6P H7P The state of this LED is not important When malfunction occurs check the display of the remote controller and refer to 3 Remote controller malfunction code display on page 20 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 19 3 Remote controller malfunction code display HiP H2P H5P H6P H7P ee XX Oo XE Remote controller heating mode malfunction codes TON
43. suitable insulation to prevent it from coming into contact with the casing Connecting refrigerant piping to the outdoor unit NOTE All local interunit piping are field supplied except the accessory pipes Front connection Remove the stop valve cover to connect See figure 11 A Bottom connection Remove the knockout holes on the bottom frame and route the piping under the bottom frame See figure 11 B In case of REYQ8 use the accessory joint for connecting the suction gas accessory pipe 2 to the suction gas stop valve See figure 11 C 1 Liquid pipe stop valve 2 Suction gas pipe stop valve 3 High pressure 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 contact with other piping the bottom frame or side B panels of the unit Installation manual 6 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 4 Branching the refrigerant piping For installation of the refrigerant branching kit refer to the installation manual delivered with the kit See figure 14
44. supplied Le Check if the power wiring for the 2 to an outdoor or ui outdoor unit is connected correctly knocking sound is heard in the liquid indoor unit including uH compression of the compressor stop the unit phase interruption immediately and then energize the crankcase Incorrect UF Check if the refrigerant line piping heater for a sufficient length of time before interconnections and the unit wiring are consistent 1 between units with each other restarting the operation Refrigerant E3 Recalculate the required amount of W Once stopped the compressor will not restart in overcharge refrigerant from the piping length about 5 minutes even if the ON OFF button on and correct the refrigerant charge the remote controller is pushed level by recovering any excessive with When the system operation is stopped by the recovery machine remote controller the outdoor unit may continue Insufficient refrigerant EY Check if the additional refrigerant operation for a maximum of 5 minutes F3 222 The outdoor fan may rotate at low speeds the refrigerant from ind piping length night time low noise setting or the external low and add an adequate amount of noise level setting is made but this is not a refrigerant malfunction 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 functio
45. valve until the shaft contacts the main body Seal 3 sure to tighten the cap securely For the tightening torque refer to the table above Installation manual 16 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 11 4 How to check how many units connected It is possible to find out how many indoor units are active and 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 active Follow the 5 step procedure as explained below The LEDs on the A1P shows the operating status of the outdoor unit and the number of indoor units that are active Xt ON XK Blinking The number of units that are active can be read from the LED display in the Monitor Mode procedure below Example in the following procedure there are 22 units active e OFF NOTE Wherever during this procedure press the 17 51 MODE button if something becomes unclear You will return to setting mode 1 H1P 6 OFF 1 Setting mode 1 default system status H2P 5 H6P H7P Default status normal 11 5 Additional refrigerant charge Adding refrigerant using the automatic refrigerant charging function is recommended Follow the procedures below B When charging a system charging over the permissible quant
46. 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 20 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 20 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 gt e e e xt for the first minute Start up control for the next 2 minutes e Waiting for stable e E I e gt x 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
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49. 1B 07 2010 3 SELECTION OF LOCATION This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures E Make sure to provide for adequate measures in 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 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 10 11 12 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 in 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 If not the unit may fall over and cause damage or injury
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52. ERANT CHARGING METHOD When the 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 18 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 23 the H1P LED is 3 5 operation starts automatically The H2P LED will start flashing 3 and 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 ext
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54. Press the BS4 TEST button once within 5 minutes Ifthe BS4 TEST button is not pushed within 5 minutes will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on page 20 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 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 20 H2P H6P H7P x state of this LED is not important A When a malfunction occurs check the display of the remote controller and refer to 3 Remote controller malfunction code display on page 20 Complete If the calculated amount of refrigerant is reached close valve A and press the BS3 RETURN button once NOTE Always close valve A and remove the refrigerant tank immediately after finishing the refrigerant charge operation H2P 5 H6P H7P cee OO A Beware of the fan blades when you open the frontpanel The fan may still rotate for a while after unit operation has stopped
55. STALLATION 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 Make sure insulation work is done See 9 Pipe insulation on page 15 3 Make sure there is no faulty refrigerant piping See 6 Refrigerant piping on page 4 The electrical work 1 Make sure there is no faulty power wiring or loose nuts See 8 Field wiring on page 10 2 Make sure there is no faulty transmission wiring or loose nuts See 8 Field wiring on page 10 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 the 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 value 1975 GWP global warming p
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57. Y 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 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 1B 07 2010 DAIKIN Installation manual 1 1 1 Indoor capacity range See location 2 in figure 18 for reference to where following accessories are supplied with the unit The indoor units can be installed in the following range 8 10 12 14 16 Always use appropriate indoor units compatible with R410A To learn which models of indoor units are compatible with R410A refer to the product catalogs Liquid accessory pipe 1 1x 1x 1x dx 1x Wi capacity of indoor units Outdoor unit Total capacity of indoor units RS 100 260 Liquid accessory pipe
58. alve A and replace the empty cylinder charged may be off the point replace After replacing the cylinder open valve A again and continue the cylinder work the outdoor unit will not stop operating H2P H3P 5 H6P P8 Close valve A immediately recharge Restart the automatic charging procedure again i i 3k Tt Xt Tt operation If the LED indication is not as shown above correct the e mmediateiy Check malfunction as indicated in the display of the remote controller Check if the high pressure low and restart the complete charging procedure When the pp pressure gas pipe suction gas pipe charging amount is little the PE code may not be displayed but charge and liquid pipe stop valves are opened instead the code will be displayed immediately hold correctly After correcting the Check if the valve of the refrigerant abnormality restart cylinder is opened the automatic Beware of the fan blades when you open the front panel Check if the air inlet and outlet of the charging procedure The fan may still rotate for a while after unit operation has indoor unit are not obstructed again stopped Close valve A immediately Confirm the malfunction code by the remote controller 10 In case leak detection function required abnormal and correct the abnormality by following Press the BS4 TEST button once for post processing with stop the Correcting after abnormal completion of the test opera
59. amping 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 Field supplied clamps n connecting wires to the terminal block on the PC board too much heat or tightening could damage the PC board Attach with care See wirin the table below for the tightening torque of the transmission g terminals Screw size Tightening torque N m 5 A1P 0 80 0 96 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 13 Outside unit ou Be sure to follow the limits below If the unit to unit cables are beyond these limits it may result in malfunction of transmission Maximum wiring length 1000 m Total wiring length 2000 m Maximum number of branches 16 Maximum number of independent interconnectable systems TO OUT D UNIT F1 F2 10 Up to 16 branches are possible for unit to unit cabling No branching is allowed after branching See figure 20 Outdoor unit Indoor unit Main line Branch line 1 No branch is allowed after branch Transmission wiring between outdoor unit and indoor unit s Never connect the power supply to transmission wiring terminal block Otherwise the entire system may break down Never connect 400 V to the terminal block of the interconnecting wiring Doing so
60. be combined with ahs er remtaeralit other outdoor units in a multi outdoor system This unit has rated 12 NIB ODE FANOIN 2 ca m i cooling capacities ranging from 22 4 to 45 0 kW and rated heating 12 1 Service precautions vas 12 2 Checks before initial start up capacities ranging from 25 0 to 50 0 KW 12 3 Field setting 124 Test operation For changing the refrigerant flow to indoor units the REYQ P system 12 5 Finabocheck after instalation sisinio can be combined with BS units of the types BSVQ100P BSVQ160P 13 Service mode operation and BSVQ250P only Other BS unit types will cause malfunctions 14 Additional refrigerant charging 26 when combined with the REYQ P system 15 Caution for 26 The REYQ P units can be combined with Daikin VRV indoor units for 16 Disposal requirements inet meer renns 27 air conditioning purposes suitable for R410A 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 SPECIFICALL
61. carried 5 Press the BS3 RETURN button a second time to start the 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 NOTE W may take 10 minutes to bring the state of the refrigerant test operation can not be carried out when the uniform before the compressor starts outdoor temperature is less than 5 W 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 W 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 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 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 t
62. crewdriver for tightening the terminal screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them See the table below for tightening torque for the terminal screws Tightening torque N m 8 Power terminal block M8 Ground 5 5 7 3 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 Installation manual 14 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 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 a O N When routing the remote control cord and inter unit wiring secure clearance of 50 mm or more from the power wiring Ensure that A 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 le
63. e breaker field supply Phase reversal detection circuit ET Thermistor air fin R2T R15T Thermistor H E gas 1 H E de icer 1 sub cool H E 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 8311 8327 Thermistor discharge M1C M2C R50 R59 Resistor inesse Resistor current sensor ntu Resistor current limiting SINP Hiisi Pressure sensor high SANPL Pressure sensor low S1PH S3PH Pressure switch high 219 Safety devices input VIR Diode bridge VAR V2R Power module Connector Terminal strip power supply XM uai Terminal strip control Electronic expansion valve main 1 sub cool 1 main 2 charge sub cool 2 18 78 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 Terminal strip Tm Terminal eee Blue ee Brown Green GRY uias Grey ORG seii Orange eene White WEW TERI Yellow NOTE This wiring diagram only ap
64. ed 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 along 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 8m 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 x20 mm wide that adequately 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 heigh
65. efrigerant Operating with the stop valves closed will damage the compressor 12 BEFORE OPERATION 12 1 Service precautions WARNING ELECTRIC SHOCK A Caution when service inverter equipment performing 1 Do not open 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 2 D Me 3 damaging the PC board touch non coated metal part to eliminate static electricity before pulling out or plugging in connectors 4 Pul 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 a 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 perfor
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69. ft 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 sure to insulate the connection piping and refrigerant branch kits entirely B Be sure to insulate liquid and gas piping for all units Use heat resistant polyethylene foam which can withstand 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 Condensation might form on the surface of the insulation 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 IN
70. 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 can handle high frequency electrical noise This unit uses an inverter which means that an earth leakage breaker capable of handling high frequency electrical noise must be used in order to prevent malfunctioning of the earth leakage breaker itself WB 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 This unit has a reverse phase detection circuit If it is activated only operate the unit after correcting the wiri
71. he required function A H The LED indication that matches the required function is shown below in the field marked Possible functions 3 2 Possible settings for function C The noise of level 3 lt level 2 lt level 1 aa 1 H2P H5P H6P H7P A B additional refrigerant charging operation refrigerant recovery operation vacuuming operation 9 x e e e e e a d X a2 xe a3 x 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 level 2 level 1 21 For function E DEMAND only the power consumption of level 1 lt level 2 lt level 43 2a d X 22 x e 243 e This setting factory setting 3 4 Possible settings for function H The evaporating temperature level H high level M medium lt level L low 4 L H2P H5P H6P H7P aH ee x C automatic low noise operation setting at nighttime 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
72. he switch box cover after the job is finished Pressing the BS3 RETURN button causes the LED display to show the data on the number of indoor units that are connected 4 Monitor mode H2P 5 H6P H7P Displaying the number of connected indoor units 32 16 8 4 2 1 Calculate the number of connected indoor units by adding the values of all H2P H7P blinking LEDs together In this example 16 4 2 22 units Press the BS1 MODE button to return to step 1 setting mode 1 1 OFF A power of some units is turned off the charging procedure can not be finished properly Make sure to turn ON the power 6 hours before starting the operation This is necessary to warm the crankcase by the electric heater operation is performed within 12 minutes after the indoor units BS units and outdoor unit are turned on the H2P LED will be lit and the compressor will not operate NOTE See 11 3 Stop valve operation procedure page 16 for details how to handle stop valves The refrigerant charging port is connected to the piping inside the unit The unit s internal piping is already factory charged with refrigerant so be careful when connecting the charge hose 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 order to ensure uniform refrigeran
73. igerant 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 sure to use tools exclusively 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 16 Hp Liquid pipe 09 5 012 7 25 4 High pressure low 919 109 pressure gas pipe 12 Hp model supports field piping of 012 7 on the accessory pipe supplied with the unit b The 8 Hp model supports field piping of 919 1 on the accessory pipe supplied with the unit The 10 Hp model supports field piping of 22 2 on the accessory pipe supplied with the unit The 12 16 Hp models support field piping of 028 6 on the acce
74. ing 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 Installation manual 10 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 8 1 Internal wiring Parts table Refer to the wiring diagram sticker on the unit The abbreviations used are listed below A1P AB8P Printed circuit board main sub 1 sub 2 noise filter inverter fan current sensor BS1 BS5 Push button switch mode set return test reset C1 C63 C66 Capacitor E1HC ESHC Crankcase heater Fuse DC 650 V 8 Fuse T 3 15 A 250 V Fuse T 3 15 A 250 V Field fuse field supply Fuse T 6 3 A 250 V Pilot lamp H2P Under preparation or in test operation when blinking H2P Malfunction detection when light up Pilot lamp service monitor green Magnetic relay Magnetic relay K2M 45 Magnetic contactor M1C Magnetic relay Y5S Magnetic relay Y1S Magnetic relay Y8S Magnetic relay Y2S Magnetic relay for option Magnetic relay Y7S Magnetic relay E1HC E2HC Magnetic relay Y3S Reactor Motor compressor Motor fan Switching power supply Earth leakag
75. 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 salt 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 A The 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 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 W heavy snowfall areas select an installation site where snow will not affect the operation of the unit The refrigerant R410A itself is
76. inted on the back of the electric component box lid 2 Power wiring and ground wiring inside conduit When the wiring is routed out through the lateral panel Transmission wiring Pipe opening Conduit Power wiring and ground wiring Cut off the shaded zones before use Through hole cover o oc Electric component box 1 Electric component box 2 Precautions when knocking out knockout holes 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 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 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 Use a power wire pipe for the power wiring 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 cause elect
77. ipe 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 confirm that the vacuum gauge does not rise FIELD WIRING 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
78. ity can cause liquid hammer Always use protective gloves and protect your eyes when charging refrigerant B When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immediately 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 Ifthe 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 remaining pressure after the unit has stopped Press the BS1 MODE button to switch from setting mode 1 to monitor mode 2 Monitor mode H1P H2P H5P H6P H7P Default status display To check the number of indoor units press the BS2 SET button 5 times 3 Monitor mode H2P 5 H6P H7P Selection status of how many connected indoor units to display Electric shock warning Close the electric component box lid before turning on the main power Perform the settings on the circuit board A1P of the outdoor unit and check the LED display after the power is on via the service lid which is in the lid of the electric component box Operate switches with an insulated Stick such as a ball point pen to avoid touching the life parts Make sure to re attach the inspection cover into t
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80. med For details refer to the wiring diagram labelled on the back of the electric component box cover 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 NOTE E 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 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 21 12 2 Checks before initial start up NOTE Remark that during the first running period of the unit 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 Make sure that the circuit breaker on the power supply panel of the installation is switched off Attach the power wire securely Introducing power with a missing N phase or with 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 powe
81. mit 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 S maximum concentration level k size m of smallest room in which there is an indoor unit installed 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 will be necessary to revise the system Please consult your supplier 16 DISPOSAL REQUIREMENTS 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 REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN VRVIII System air conditioner 4PW48462 1B 07 2010 Installation manual 27
82. n charging function 1 3 SERVICE MODE OPERATION In case the leak detection function is required see Procedure for Do not shut off the power and do not reset the setting In case the leak detection function qu of mode 2 when vaccuuming or recovering refrigerant is not required see 12 4 Test Otherwise the expansion valves will close making it operation on page 24 impossible to vaccuum the system or to recover the The added amount of PF Availability of the leak detection refrigerant refrigerant was not function feature requires input of inputted after the additional refrigerant charge automatic charging amount immediately after finishing Vacuuming method the automatic charging Refer to At the first installation this vacuuming is not required It is required 11 6 Procedure for inputting the additional refrigerant charge weight only for repair purposes into the PCB on e 20 5 T Into the POBonipag E 1 When the unit is at standstill and under the setting mode 2 set ES Incase thentie test perationwas the required function B refrigerant recovery operation Operation was interrupted perform the test interrupted or the unit operation again vacuuming operation to ON ON was operating out of In case the unit was operating out The indoor units BS units and the outdoor unit expansion the instructed of the instructed temperature valves will fully open temperature range range the unit ca
83. n still be operated T the initial refrigerant normally but the leak detection The H1P LED is and the remote controller indicates detection has failed function will not be available _ TEST test operation and external control and the Perform the test operation again operation will be prohibited within the instructed temperature range 2 Evacuate the system with a vacuum pump 3 Pressthe BS1 MODE button and reset the setting mode 2 After correcting the abnormality press the BS3 RETURN button and reset the malfunction code out the test operation again and confirm that the Refrigerant recovery operation method abnormality is properly corrected 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 outdoor unit expansion valves will fully open The LED is on and the remote controller indicates TEST test operation and external control and the operation will be prohibited 2 Recover the refrigerant by a refrigerant reclaimer For details see the operation manual delivered with the refrigerant reclaimer 3 Pressthe BS1 MODE button and reset the setting mode 2 REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 Installation manual 25 DAIKIN 14 ADDITIONAL REFRIG
84. ng Power supply wires must be attached securely Ifthe 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 2 Main switch 6 Cool heat selector 3 Earth leakage circuit 7 Remote controller breaker 8 Indoor unit 4 Fuse 9 BS unit Power supply wiring sheathed cable 380 415 V Transmission wiring sheathed cable 16 V Installation manual 12 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 8 6 Leading power line and transmission line Be sure to let the power line and the transmission line pass through a conduit hole Lead the power line from the upper hole on the left side plate from the front position of the main unit through the conduit hole of the wiring mounting plate or from a knock out hole to be made in the unit s bottom plate See figure 16 1 Electric wiring diagram Pr
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86. not touch the leaked refrigerant directly Frostbite may be caused 6 1 Installation tools Make sure to use installation tools gauge manifold charge hose etc that are exclusively used for R410A installations to withstand the pressure and to prevent foreign materials e g mineral oils such as SUNISO and moisture from mixing into the system The screw specifications differ for 410 and R407C Use a 2 stage vacuum pump with a non return valve which can evacuate to 100 7 kPa 5 Torr 755 mm Hg NOTE Make sure the pump oil does not flow oppositely into the system while the pump is working Installation manual 4 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 6 2 Selection of piping material 6 4 Connecting the refrigerant piping 1 Foreign materials inside pipes including oils for fabrication 1 Front connection or side connection must be 30 mg 10 m or less Installation of refrigerant piping is possible as front connection or 2 Use the following material specification for refrigerant piping Side connection when taken out from the bottom as shown in Size determine the proper size referring to chapter 6 6 Example of connection on page 8 1 Left side connection Construction material phosphoric acid deoxidized seamless 2 Front connection copper for refrigerant
87. nt Open the liquid pipe suction gas pipe and high pressure low pressure gas pipe stop valves and the service port stop valve Valves A B and C must be closed Close all front panels except the electric component box front panel and turn the power ON Make sure all indoor units are connected refer to 11 4 How to check how many units are connected on page 17 If the H2P LED is not flashing in 12 minutes time after turning on the power make sure it is displayed as shown in the 2 Normal system display on page 20 If the H2P LED is flashing check the malfunction code on the remote controller 3 Remote controller malfunction code display on page 20 Wi f you perform the refrigerant charging operation within the refrigerant system with one or more units with power OFF the refrigerant charging operation can not be accomplished properly For confirming the number of indoor units with power ON refer to 11 4 How to check how many units are connected on page 17 energize the crankcase heater make sure to turn the power ON at least 6hours before starting operation Press the BS1 MODE button once if the LEDs combination is not as in the figure below H2P H5P H6P H7P e e eee Press the BS4 TEST button once H2P H4P H5P H6P H7P on di Oo n on Hold the BS4 TEST button down for 5 seconds or more Charging mode judgement However if the
88. nto Setting mode 2 Cooling Heating Micro computer changeover The H1P LED is on XX operation Ready Low 3 monitor Mode Error master slave noise Demand 3 Press the BS2 SET button 14 times before delivery H1P H2P H5P 6 H7P The LED display must be as follows Outdoor unit system e e e HIP H2P H3P H6P 5 uie 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 Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B 20 VRVIII System air conditioner 4PW48462 1B 07 2010 5 The weighed and 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 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 H2P H5P H6P H7P 0 0 e e oe 1 0 lt lt 5 2 5 x lt
89. o Correcting after abnormal completion of the test operation on page 25 to take actions for correcting the abnormality Installation manual DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 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 12 5 Final check after installation After all installation works are completed operate the unit normally and check the following sure the indoor units and outdoor unit are operating Confirm the malfunction code on the remote controller normally Installation error Errorcode Remedial action Operate each indoor unit separately and make sure the The stop valve of an Open the stop valve corresponding outdoor unit is also operating properly d E Check if cold or hot air is coming out from the indoor unit F6 Push the fan direction and fan strength buttons on the remote controller to check if they are operating properly The phases of the ui Exchange two of the three phases power s ine oer Vae p ie make a positive NOTE Heating is not possible if the outdoor temperature 2 qu is 24 C or higher Refer to the operation manual No power is
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91. otential Please fill in with indelible ink the factory refrigerant charge of the product the additional refrigerant amount charged in the field and 0 0 the total refrigerant charge on the fluorinated greenhouse gases label supplied with the product REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 15 The filled out label must be adhered on 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 l 4 1 factory refrigerant charge of the product R410A kg j see unit name plate 2 additional refrigerant kg 2 amount charged in the field _ Lj b total refrigerant charge contains fluorinated 6 5 greenhouse gases covered by the Kyoto Protocol outdoor unit refrigerant cylinder and manifold for charging NOTE National implementation of EU regulation on certain fluorinated greenhouse gases may 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 refr
92. ower supply terminal block Connect each power wire RED to L1 WHT to L2 BLK to L3 and BLU to N Ground wire GRN YLW Clamp the power wire to the plastic bracket using a field supplied clamp to prevent external force being applied to the terminal Clamp field supply Cup washer When connecting the earth wire it is recommended to perform curling Electric component box 1 Electric component box 2 It is not required to open electric component box 2 for installation 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 Precautions when laying power wiring For wiring use the designated power wire connect firmly then secure to prevent outside pressure being exerted on the terminal board Use an appropriate s
93. p OSA 2 633 6 ejjejepop 95 9162 jeuorjipuoo Jae op eudojd ed ejeoep Ow 8 zofyop uo uoiy 2 ez osoujerzperodpo kusem eu afneap 21 ebejepyep ISIHO ig x mmmnan 32 AGOHZ 3IN3SYTHAA 39 vriovuv Dad 39 39 8 2138 04 0 6 39 NOOISLVYV THAGSNAVLSVA 39 ILSONQV DIS O VAVEZI 39 31VLINSO3NO2 3C3l vuv 1930 39 I9 0NGQ09Z VrOViv 430 39 1VZOX1V IAN 93S0 1313393 32 ILSON3GV DISn O VAVIZI 39 JEZOYJeIIAU e ejye au yejjepoui e ABoy nuejely s la CH 91 eAeIZ eao 95 aloy eu ns ep pod 6 enueyza juesejuoud ojoj es zwu y eoezneuny az ysoupgAodpo aud ensejuoud 23 p ueejnniseA Lewo eL Jejeeqouur euuap 5910190 wos 1 10 CN ZL Jeqauu 510190 WOS
94. plies to the outdoor unit When using the option adaptor refer to the installation manual Refer to the installation manual for connection wiring to indoor outdoor transmission F1 F2 outdoor outdoor transmission F1 F2 and on how to use BS1 BS5 Do not operate the unit by short circuiting protection device S1PH S2PH 8 29 Optional parts connector Operation output X9A X37A Power supply adapter NOTE Use copper conductors only For connection wiring to the central remote controller refer to the installation manual of the central remote controller Use insulated wire for the power cord REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 11 8 3 Power circuit and cable requirements A power circuit see table below must be provided for connection of the unit This circuit must be 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 3N 50Hz 380 415V 17 20A 0 75 1 25 mm REYQ10 3N 50Hz 380 415V 224A 25A 0 75 1 25 mm REYQ12 3N 50Hz 380 415V 223A 25A 0 75 1 25 mm REYQ14 3N 50Hz 380 415V 328A 40A 0 75 1 25 mm REYQ16 3N 50Hz 380 415V 38 0A 40A 0 75 1 25 mm When using residual current operated circui
95. pply 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 page 4 first NOTE The pressure regulator for the nitrogen released when qu doing the brazing should be set to 0 02 MPa or less See figure 12 1 Refrigerant piping 2 Location to be brazed 3 Nitrogen 4 Taping 5 Manual valve 6 Regulator 7 Nitrogen Do not use anti oxidants when brazing the pipe joints Residue can clog pipes and break equipment REYQ8 12P9Y1B REYQ10 14 16P8Y1B DAIKIN Installation manual VRVIII System air conditioner 5 4PW48462 1B 07 2010 2 Removing the pinched piping See figure 9 Never remove the pinched piping by brazing Any gas or oil remaining inside the stop valve may blow off the pinched piping Failure to observe the instructions in procedure below properly may result in property damage or personal injury which may be serious depending on the circumstances Use the following procedure to remove the pinched piping 1 Remove the valve lid and make sure that the stop valves are fully closed e c e 2 Connect a charge hose to service ports of all stop valves 3 Recover gas and oil from the pinched piping by using a recovery unit Do not vent gases into the atmosphere 4 When all gas and oil is recovered from the pinched piping disconnect the charge hose and close the ser
96. 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 Micro changeover computer operation Ready Low een Gen monitor Mode Error master slave noise Demand before delivery HAP H1P H2P H3P H4P H5P H6P H7P Outdoor unit system xk e Installation manual 22 DAIKIN REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 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 6 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 3 If the H1P LED is blinking and the 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 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 t
97. r 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 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
98. ra refrigerant Disconnect the refrigerant charge hose Perform 11 7 Checks after adding refrigerant as explained on page 21 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 concentration 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 m3
99. rep Ip ayoyoads 90 2158 amp J9U9J9J8J Sajend 0 50 ouesip 0 uoneJe oop 91199 es sjanbxne sep uordesuoo 60 Bunugpy3 uois yne uejepsuomyniisuoy 20 SIY YOIYM 0 jo 10 CIN e ep ans Ca 60 eyes sep Bunzesuo Ca 20 seed snoinaud jo uonenunuoo 89 10 THYSASLIALINYOINOD 39 31IA8O3NO2 3Q NOLL V8 V193Q 39 51 39 ALINYOINOD 4O NOLLVYV 1230 32 DAIKIN REYQ8P9Y1B REYQ14P8Y1B REYQ16P8Y1B VRVIII System air conditioner Installation manual REYQ12P9Y1B CONTENTS Page The English text is the original instruction Other languages are translations of the original instructions T To HO EE aaa eaea aaa aaa 1 1 1 Indoor capacity range nid The refrigerant R410A requires strict cautions for keeping 1 2 Standard supplied accessories ie the system clean dry and tight 1 3 Optional accessories
100. rical interference malfunctions and breakage 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 14 Inter unit wiring should be secured as described in 8 7 Field line connection transmission wiring on page 13 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 8 7 A Field line connection transmission wiring See figure 17 5 Electric component box 1 Electric component box 2 Never connect the power supply wire To outdoor unit of other system Use duplex wires no polarity BS unit Indoor unit Indoor unit cooling only The Q1 and Q2 to multi unit terminals of the electric component box 1 are connected to the Q1 and Q2 terminals of the electric component box 2 by internal transmission wiring Do not remove the internal transmission wiring The wiring to other systems must be connected to the F1 F2 Out Out terminals of the P board in the outdoor unit to which the interconnecting wiring for the BS unit or indoor units is connected Fixing transmission wiring See figure 21 Inside switchbox 1 c o Whe Fix to the indicated plastic brackets using field supplied cl
101. ssory pipe supplied with the unit c 8 Hp model supports field piping of 215 9 on the accessory pipe supplied with the unit The 14 and 16 Hp models support field piping of 022 2 on the accessory pipe supplied with the unit Do not open the stop valve until all piping and electrical steps of 10 Checking of unit installation conditions on page 15 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 Always use a charge hose for service port connection After tightening the cap check that no refrigerant leaks are present Opening stop valve See figure 19 1 Service port 2 Cap 3 Hexagon hole 4 Shaft 5 Seal 1 Remove the and turn the valve counterclockwise with the hexagon wrench 2 Turn it until the shaft stops A Do not apply excessive force to the stop valve Doing so may break the valve body 3 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 9 5 5 4 6 6 13 5 16 5 4 012 7 8 1 9 9 18 0 22 0 11 5 13 9 022 2 27 0 33 0 8 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
102. st 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 phosphor 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 in 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 10 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 15 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
103. t 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 EN IEC 61000 3 11 provided that the system impedance Zsys is less than or equal to Zmax and 61000 3 12 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 Z less than or equal to Zmax and 5 greater than or equal to the minimum Sg value Minimum Ss Zmax 9 value REYQ8 889 kVA REYQ10 0 27 842 kVA 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 E relevant local and national regulations B 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 TYPE Only in protected pipes use HO7RN F when protected pipes are not used 8 4 General cautions Make sure to connect the power source wire
104. t distribution it may take the compressor 10 minutes to start up after the unit has started operation This is not a malfunction REYQ8 12P9Y1B REYQ10 14 16P8Y1B VRVIII System air conditioner 4PW48462 1B 07 2010 DAIKIN Installation manual 17 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 Outdoor temperature 0 C DB 43 C DB Indoor temperature 10 C DB 32 C DB Total indoor unit capacity 280 Pre charging To speed up the process of charging refrigerant for large systems it is recommended to first manually charge a portion of the refrigerant first before performing automatic charging 1 Calculate how much refrigerant to be added using the formula explained in the chapter How to calculate the additional refrigerant to be charged on page 9 2 The amount of pre charging is 10 kg less than the calculated amount 3 Open valve B the valves A and C the liquid pipe the suction gas pipe and the high pressure low pressure gas pipe stop valves must be left closed and charge the refrigerant in liquid form via the liquid pipe stop valve service port See figure 23 1 Measuring instrument 2 Refrigerant tank R410A siphon system 3 Charge hose 4 Refrigerant charge port 5 High pressure low pressure gas pipe stop valve 6 Suction gas pipe stop valve 7
105. t 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 dimension of the base Distance between foundation bolt holes Depth of unit Outher dimension of the base Longitudinal foundation dimension 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 20 mm B Prepare water drainage channel around the foundation to drain waste water from around the unit 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 When installed in corrosive environment use a nut with plastic washer 1 to protect the nut tightening part from rust E E 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 Use R410A to add refrigerant All field piping mu
106. tion on page 25 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 11 6 Procedure for inputting the additional charge label provided with the unit and attach it on the back side refrigerant charge weight into the PCB of the front panel Perform the procedure 11 6 Procedure for inputting the Availability of the leak detection function feature requires input of the additional refrigerant charge weight into the PCB as described additional refrigerant charge amount immediately after finishing the on page 20 automatic charging The input must be executed before performing 10 In case leak detection function not required the testoperation Press the BS1 MODE button once and the charging is complete If a wrong value is input for the additional charged refrigerant weight the accuracy of the leak detection function will decrease 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 Procedure additional refrigerant charge weight into the PCB as described on page 20 1 Close the electric box lid and all front panels except the one on the side of the electric box 2 Normal system display 2 Press and hold the BS1 MODE button for 5 seconds to enter i
107. 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 14 For conditional connections refer to the Technical Data 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 and x75 A per phase Keep power imbalance within 2 of the supply rating Large imbalance will shorten the life of the smoothing capacitor As a 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 W Only proceed with wiring work after all power is shut off Always ground wires In accordance with national regulations of the pertinent country W Do not connect the
108. ton down for 5 seconds or the outdoor temperature must be 0 C DB 43 C DB more The unit will start the test operation E 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 go into setting mode 2 by pressing the BS1 MODE button for 5 instructed above the display of the remote controller shows U3 seconds The LED is 42 Perform following steps and the unit operates without the availability of the leak detection 1 Pressthe BS2 SET button 3 times function pu PHP n the test operation the following checks and judgement will be performed m e e e e x Check of the stop valve opening 2 Press the BS3 RETURN button once to confirm Check for wrong wiring 2 H5P H6P H7P Check of refrigerant overcharge e 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 will last 2 hours otherwise it takes between 40 and H2P H3P H4P H5P H6P H7P 60 minutes to complete the check ration p eck operatio sure to carry out the test operation after the first installation Otherwise the malfunction code U3 will be displayed 4 Press the BS3 RETURN button once to contirm on the remote controller and normal operation can not be
109. uopaid z aluenogesyod GIS pZ swinfeuidin sesndde sefasyeudel cz sfuis oidejsnd oiusejsyue AD zz ISIHO Tig mmwnan 22 AGOHZ 3IN3SYHAA 39 vriovsv Dag svglLSTiglv 39 vriovuv 3T S3LDILLUV 39 10 68 6 3 9121391092 39 Buel aswea 453 02 efusfeld s aluenaljepeu 679 fuons falupazidod z Azsjep Gd 44 ejseaoe 95 LI aje 2 1010 ajifjeoyioedg 81 zo jop aufAoynsjsuoy 20 2906 11 1592 49 OZaday uajef y 91 eAe zi e o es eu ez eulezip afioeyyioads 91 030 fnyezza es ay njapow ri ualjjeur uaieysoy ejsnyouij eye EL O8 8 0 9299 ze CH 91 eupoujaid s yeneyseu 4 02 30 311 8 1230 32 NOOISLVYV DI30S AVIS VA 39 ILSONQVIS O VAVEZI 39 I9 0NGQ09Z Vr 2Vi 430 39 1VZOX1V IAN 9380 1313393 32 ILSON3GV DISn O VAVIZI 39 uens rzouopejd 2 uenogeyod 25 p eynws Eyjesijapa LOE EL CN ZL
110. vice ports 5 n case the pinched piping lower part looks like detail in figure 9 follow instructions as per procedure steps 7 8 In case the pinched piping lower part looks like detail B in figure 9 follow instructions as per procedure steps 6 7 8 6 Cut off the lower part of the smaller pinched piping with an appropriate tool e g a pipe W cutter a pair of nippers so that a cross _ section is open allowing remaining oil to drip out in case the recovery was not complete Wait until all oil is dripped out 7 Cut the pinched piping off with a pipe cutter just above the brazing point or just above the marking in case there is no brazing point Never remove the pinched piping by brazing 8 Wait until all oil is dripped out in case the recovery was not complete and only then proceed with connection of the field piping See figure 9 1 Service port 2 Stop valve 3 Point of pipe cutting just above brazing point or above marking A Pinched piping U B Pinched piping Precautions when connecting field piping Add brazing material as shown in the figure lt 025 4 gt 025 4 1 1 2 2 T 4 sure to use the supplied accessory pipes when carrying out piping work in the field sure that the field installed piping does not touch other pipes the bottom panel or side panel Especial for the bottom and side connection be sure to protect the piping with
111. will break the entire system The wiring from the indoor units must be connected to the F1 F2 In Out terminals on the 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 QN Insulation material For the above wiring always use vinyl cords with 0 75 to 1 25 mm sheath or cables 2 core wires Be sure to keep the power line and transmission line apart from each other Be careful about polarity of the transmission line Make sure that the transmission line is clamped as shown in figure 19 Check that wiring lines do not make contact with refrigerant piping Firmly close the lid and arrange the electrical wires as to prevent the lid or other parts from coming loose When you do not use a wire conduit be sure to protect the wires with vinyl tubes etc to prevent the edge of the knock out hole from cutting the wires 8 8 Field line connection power wiring The power cord must be clamped to the plastic bracket using field supplied clamp material The green and yellow striped wrapped wires must be used for grounding See figure 24 ou A 10 11 12 13 Power supply 380 415 V 3N 50 Hz Earth leakage breaker Fuse Grounding wire P

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