Daikin REYQ72TAYC Series User Manual Download | Manualshive

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INSTALLATION MANUAL

MODEL

REYQ72TAYC

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REYQ96TAYC

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REYQ120TAYC

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REYQ144TAYC

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REYQ168TAYC

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REYQ192TAYC

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REYQ216TAYC

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REYQ240TAYC

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REYQ264TAYC

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REYQ288TAYC

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REYQ312TAYC

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REYQ336TAYC

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REYQ360TAYC

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REYQ384TAYC

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3P362438-9N

VRV IV

System air conditioner

Please visit http://www.daikinac.com/content/resources/manuals for the most current version of installation

instructions. In the event of conflicting information, the online installation instruction is to be used.

Veuillez visiter http://www.daikinac.com/content/resources/manuals pour obtenir la version la plus récente des
instructions d’installation. En cas de conflit d’informations, les instructions d’installation en ligne doivent être
utilisées.

Visite http://www.daikinac.com/content/resources/manuals para obtener la versión más actualizada de las
instrucciones de instalación. En caso de información conflictiva, se debe utilizar la instrucción de instalación en

línea.

00_CV_3P362438-9N.indd 1

2019/09/12 11:44:31

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Summary of Contents for REYQ72TAYC Series

Page 1: ...event of conflicting information the online installation instruction is to be used Veuillez visiter http www daikinac com content resources manuals pour obtenir la version la plus r cente des instruc...

Page 2: ...nnel must carry out the installation work Installation must be done in accordance with this installation manual Improper installation could result in water leakage electric shock or fire When installi...

Page 3: ...only Outdoor units can be installed either outdoors or indoors This unit is for indoor use Do not install the air conditioner or heat pump in the fol lowing locations a Where a mineral oil mist or oil...

Page 4: ...piping 14 8 1 Caution for brazing 14 8 2 Connecting the refrigerant piping 14 8 3 Guidelines for handling stop valve 17 9 Field wiring 18 9 1 Power circuit safety device and cable requirements 19 9 2...

Page 5: ...Q 192 384 consists of multiple REYQ 72 168 modules as indi cated 72 96 120 144 168 REYQ72TAYC 1 REYQ96TAYC 1 REYQ120TAYC 1 REYQ144TAYC 1 REYQ168TAYC 1 REYQ192TAYC 2 REYQ216TAYC 1 1 REYQ240TAYC 2 REYQ2...

Page 6: ...y For additional information see technical engineering data 1 4 Scope of the manual This manual describes the procedures for handling installing and connecting the VRV IV REYQ T series outdoor units T...

Page 7: ...nough to support the weight of the unit Installation location is flat to prevent vibrations and noise generation and to have sufficient stability The space around the unit is adequate for maintenance...

Page 8: ...mproper installation may result in the unit turning over 4 2 Weather related precautions Be sure that the air inlet of the unit is not positioned towards the main wind direction Frontal wind will dist...

Page 9: ...igure below and choose one of the possibilities a b a c d a b a e d e c a b a e d f c a b a e b d c a b a e d f c 1 2 3 5 4 ABCD Sides along the installation site with obstacles Suction side A B C D A...

Page 10: ...ions can be found in the Engineering Data Book 6 Inspecting handling and unpacking the unit 6 1 Inspection At delivery the unit must be checked and any damage must be re ported immediately to the carr...

Page 11: ...tion bolts until their length remains 13 16 in 20 mm above the foundation surface A A 13 16 in 20 mm NOTE There are restrictions on the refrigerant pipe connecting order between outdoor units in the...

Page 12: ...ational regulations After piping work is complete do not under any circumstances open the stop valve until 9 Field wiring on page 18 and 12 Checking of device and installation conditions on page 24 ar...

Page 13: ...in 34 9 mm 7 3 2 Piping between refrigerant branch kits or refrigerant branch kits and Branch Selector units D Choose from the following table in accordance with the indoor unit total capacity connect...

Page 14: ...Indoor unit capacity index Kit name for 3 pipes for 2 pipes 72 KHRP25M33H9 KHRP25M33HA KHRP26M22H9 KHRP26M22HA maximum 4 indoor units or KHRP26M33H9 KHRP26M33HA maximum 8 indoor units 72 111 KHRP26M33...

Page 15: ...ing length from the first outdoor unit multi connection piping kit to the outdoor unit 33 ft 10 m Equivalent piping length from the first outdoor unit multi connection piping kit to the outdoor unit 4...

Page 16: ...e as fol lows 3 8 in 9 5 mm 1 2 in 12 7 mm 1 2 in 12 7 mm 5 8 in 15 9 mm 5 8 in 15 9 mm 3 4 in 19 1 mm 3 4 in 19 1 mm 7 8 in 22 2 mm C REFNET joints G b d m B f A c D 9 H e g 6 h n F i 4 Outdoor unit...

Page 17: ...vents the creation of large quantities of oxidized film on the inside of the piping An oxidized film ad versely affects valves and compressors in the refrigerating system and prevents proper operation...

Page 18: ...he burner flame Liquid pipe stop valve Suction gas pipe stop value Protective plate Stop valves mounting plate High low pressure gas pipe stop valve 5 Cut off the lower part of the smaller pinched pip...

Page 19: ...of the installer field piping 8 2 4 Precautions when connecting piping between outdoor units multiple outdoor units system To connect the piping between outdoor units an optional multi connection pip...

Page 20: ...ally or vertically Mount the REFNET header so that it branches horizontally 2 Installation of the multi connection piping kit A 1 B 1 C D 15 C 4 3 4 in 120 mm D 19 11 16 in 500 mm Install the joints h...

Page 21: ...refer to 8 3 2 How to use the stop valve Check for refrigerant leaks after tightening the service port cover 9 Field wiring NOTE All field wiring and components must be installed by a licensed elec tr...

Page 22: ...z f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz 575V 575V 575V 575V 575V 575V 575V 575V 575V 575V 575V 575V 575V 575V 15 1 16 8 18 2 22 3 24 9 16 8 16...

Page 23: ...multi system And the other units are Sub unit In this figure outdoor unit A is the Master unit Check operation in installation work onsite settings and so on are done by operating the printed circuit...

Page 24: ...e accessory CAUTION Be sure to use crimp style terminal with insulating sleeves for con nections See the figure below Crimp style terminal Insulating sleeve Power wire For wiring use the designated po...

Page 25: ...OTE Always use nitrogen gas for the air tightness test Absolutely do not open the stop valve until the main power circuit insulation measurement has been completed Measuring after the stop valve is op...

Page 26: ...ze the system to 375 000 microns vacuum break with nitrogen gas and evacuate the system again using the vacuum pump for 1 hour to 500 microns or less vacuum drying If the system cannot be evacuated to...

Page 27: ...e front panel see figure Now you can open the inspection door of the control box cover see figure You can see 3 push buttons and 3 seven segment displays and DIP switches 3 1 2 1 Front panel 2 Inspect...

Page 28: ...indoor units which are con nected to the system Result mode 1 setting 10 is addressed and selected return value is monitored information To leave the monitoring function push BS1 one time you will re...

Page 29: ...ing the additional refrigerant charge In case recharge is required refer to the nameplate of the unit It states the type of refrigerant and necessary amount 14 2 Calculating the additional refrigerant...

Page 30: ...s BS4Q54T 1 BSQ60T 1 BSQ96T 1 Indoor units FXMQ type 18 1 24 1 36 1 54 2 FXFQ type 36 2 Other 48 1 Liquid piping a f3 4 60 ft e f1 4 15 ft i f3 8 20 ft m f3 8 15 ft r f1 2 10 ft b f5 8 20 ft f f3 8 10...

Page 31: ...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 sipho...

Page 32: ...d stop valve service port open valve C Make sure that all outdoor unit stop valves as well as valves A and C are closed 1 2 3 4 5 6 B 9 8 11 11 12 10 14 13 15 16 A C 7 1 Pressure reducing valve 2 Nitr...

Page 33: ...top valves after pre charging the refrigerant Operating with the stop valves closed will damage the compressor 15 Start up and configuration INFORMATION It is important that all information in this ch...

Page 34: ...e selected time frames The second method is to enable low noise operation based on an external input For this operation an optional acces sory is required 1 2 shows the status of power consumption lim...

Page 35: ...ly be effective when the optional external control adaptor DTA104A61 62 is installed Default value 0 To activate this function change 2 12 1 2 18 Fan high static pressure setting In order to increase...

Page 36: ...tation If the system always needs to run under power consump tion limitation conditions this setting activates and defines the level power consumption limitation that will be applied continuously The...

Page 37: ...e target temperature upper limit Default value 1 Value 2 92 Te target temperature upper limit 0 L 1 M 2 H If Auto Te then use this setting to address different load pro files If the frequent operation...

Page 38: ...ting 2 8 and 2 47 To activate the powerful comfort setting under heating opera tion change field setting 2 82 3 This setting is used in conjunction with setting 2 9 Quick Overshoot during heating oper...

Page 39: ...D E F A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful Example Automatic mode during cooling A B 100 70 E Tc C D 120 F 49 C F 115 F 46 C 36 F 2 C A Virtual lo...

Page 40: ...MATION Note that during the first running period of the unit required power in put may be higher This phenomenon originates from the compressor that requires a 50 hour run elapse before reaching smoot...

Page 41: ...ion code which is displayed on the outdoor unit will indi cate a main malfunction code and a sub code The sub code indicates more detailed information about the malfunction code The malfunc tion code...

Page 42: ...ction R10T A1P X29A Check connection on printed circuit board or actuator J6 01 02 03 Temperature sensor malfunction R11T A7P X15A Check connection on printed circuit board or actuator 08 09 10 Temper...

Page 43: ...iring between units Check indoor unit amount and total capacity con nected Check connection U9 01 System mismatch Wrong type of indoor units com bined R407C Mini split etc Indoor unit malfunction Chec...

Page 44: ...Pull out junction connectors X1A X2A X3A X4A 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...

Page 45: ...tions and standards for the maximum allowable concentration level is required 2 1 1 Direction of the refrigerant flow 2 Room where refrigerant leak has occurred outflow of all the refrigerant from the...

Page 46: ...Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 3P362438 9N EM16A003B 1912 HT 00_CV_3P362438 9N indd 2 2019 09 12 11 44 31...

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