Daikin VRV IV REYQ120TATJ Series Installation Manual Download | Manualshive

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41

3P362438-5N English

Malfunction code

Contents

Solution

Main
code

Sub code

Master/sub 1/sub 2

F3

01/02/03

Reverse connection of high/low pressure gas pipe and
suction gas pipe of Branch Selector unit.

Check connection of high/low pressure gas pipe and
suction gas pipe.

01/03/05

Discharge temperature too high (R2T/R21T/R22T):

•

Stop valves are closed.

•

Refrigerant shortage.

•

Open stop valves.

•

Check refrigerant amount and recharge.

20/21/22

Compressor casing temperature too high (R14T):

•

Stop valves are closed.

•

Refrigerant shortage.

•

Open stop valves.

•

Check refrigerant amount and recharge.

F6

02

•

Stop valves are closed.

•

Refrigerant overcharge.

•

Open stop valves.

•

Check refrigerant amount and recharge.

F9

01

Electronic expansion valve malfunction (Branch Selec

-

tor units).

Check connection on printed circuit board or actuator.

02
05

H9

01/02/03

Temperature sensor malfunction
(R1T)-A1P (X18A)

Check connection on printed circuit board or actuator.

J3

16/22/28

Temperature sensor malfunction
(R2T, R21T)-A1P (X19A)

Check connection on printed circuit board or actuator.

17/23/29

Temperature sensor malfunction
(R2T, R21T)-A1P (X19A)

Check connection on printed circuit board or actuator.

18/24/30

Temperature sensor malfunction
(R22T)-A1P (X19A)

Check connection on printed circuit board or actuator.

19/25/31

Temperature sensor malfunction
(R22T)-A1P (X19A)

Check connection on printed circuit board or actuator.

47/49/51

Temperature sensor malfunction
(R14T)-A1P (X19A)

Check connection on printed circuit board or actuator.

48/50/52

Temperature sensor malfunction
(R14T)-A1P (X19A)

Check connection on printed circuit board or actuator.

J5

01/03/05

Temperature sensor malfunction
(R12T)-A8P (X15A)

Check connection on printed circuit board or actuator.

18/19/20

Temperature sensor malfunction
(R10T)-A1P (X29A)

Check connection on printed circuit board or actuator.

J6

01/02/03

Temperature sensor malfunction
(R11T)-A8P (X15A)

Check connection on printed circuit board or actuator.

08/09/10

Temperature sensor malfunction
(R8T)-A1P (X29A)

Check connection on printed circuit board or actuator.

11/12/13

Temperature sensor malfunction
(R9T)-A1P (X29A)

Check connection on printed circuit board or actuator.

J7

01/02/03

Temperature sensor malfunction
(R3T)-A1P (X30A)

Check connection on printed circuit board or actuator.

06/07/08

Temperature sensor malfunction
(R7T)-A1P (X30A)

Check connection on printed circuit board or actuator.

J8

01/02/03

Temperature sensor malfunction
(R4T)-A1P (X30A)

Check connection on printed circuit board or actuator.

08/09/10

Temperature sensor malfunction
(R5T)-A1P (X30A)

Check connection on printed circuit board or actuator.

11/12/13

Temperature sensor malfunction
(R15T)-A8P (X15A)

Check connection on printed circuit board or actuator.

J9

01/02/03

Temperature sensor malfunction
(R6T)-A1P (X30A)

Check connection on printed circuit board or actuator.

11/12/13

Temperature sensor malfunction
(R13T)-A8P (X17A)

Check connection on printed circuit board or actuator.

JA

06/08/10

High pressure sensor malfunction: open circuit
(S1NPH)-A1P (X32A)

Check connection on printed circuit board or actuator.

07/09/11

High pressure sensor malfunction: short circuit
(S1NPH)-A1P (X32A)

Check connection on printed circuit board or actuator.

01_EN_3P362438-5N.indb 41

12/11/2019 11:24:25 AM

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Summary of Contents for VRV IV REYQ120TATJ Series

Page 1: ... 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 lig...

Page 2: ...onnel 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 installing the unit in a small room take measures to keep the refrigerant concentration from exceeding allow able safety limits Excessive refrigerant leaks in the event of an accident in a closed ambient spa...

Page 3: ...S units Outdoor units and DOAS units can be in stalled 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 spray or vapor is pro duced for example in a kitchen Plastic parts may deteriorate and fall off and thus may result in water leakage b Where corrosive gas such as sulfurous acid ga...

Page 4: ...ize 9 7 4 Selection of refrigerant branch kits 10 7 5 System piping length limitations 11 8 Precautions on refrigerant 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 Wiring connection example for whole system 19 9 3 Leading wire procedure 20 9 4 T...

Page 5: ...mbinations of DOAS and VRV Indoor units is prohibited 1 2 2 Outdoor units combinations Standard combinations for REYQ T units are as indicated in tables below and right where REYQ192 456 consists of multiple REYQ72 168 modules as indicated 72 96 120 144 168 REYQ72TATJ TAYD 1 REYQ96TATJ TAYD 1 REYQ120TATJ TAYD 1 REYQ144TATJ TAYD 1 REYQ168TATJ TAYD 1 REYQ192TATJ TAYD 1 1 REYQ216TATJ TAYD 1 1 REYQ240...

Page 6: ...ing and connecting the VRV IV REYQ T series outdoor units This manual has been prepared to ensure adequate maintenance of the unit and it will provide help in case problems occur INFORMATION The installation of the indoor unit s is described in the indoor unit installation manual provided with the indoor unit s 2 Accessories 2 1 Accessories supplied with this unit Confirm the following accessories...

Page 7: ...t does not disturb anyone and the location is selected according the applicable legislation All piping lengths and distances have been taken into consideration refer to 7 5 System piping length limitations on page 11 Take care that in the event of a water leak water cannot cause any damage to the installation space and surroundings When installing the unit in a small room take measures in order to...

Page 8: ...nal precautions 4 3 Selecting a location in cold climates NOTE When operating the unit in a low outdoor ambient temperature be sure to follow the instructions described below The following images are for reference only For more details con tact your local dealer To prevent exposure to wind and snow install a baffle plates on the air side of the outdoor unit see 5 2 Service space for space requirem...

Page 9: ...0 a 2 50 b 19 5 8 500 c 2 50 d 19 5 8 500 e 3 7 8 100 f 23 5 8 600 h2 a Front side Suction side b h2 2 or more Service space h1 2 or more h1 b a 59 in 1500 mm b 19 5 8 in 500 mm In case of an installation site where sides A B C D have obsta cles the wall heights of sides A C have no impact on service space dimensions Refer to the foregoing figure for impact of wall heights of sides B D on service ...

Page 10: ...ger of death by suffocation 1 Remove the unit from its packing material Take care not to damage the unit when unpacking 2 Remove the 4 bolts fixing the unit to its pallet 3 Make sure that all accessories as mentioned in 2 1 Accessories supplied with this unit on page 3 are available in the unit 6 4 Installing the unit Make sure the unit is installed level on a sufficiently strong base to prevent v...

Page 11: ...asher 6 5 Method for removing shipping plates The shipping plates installed over the compressor legs for protecting the unit during transport must be removed Proceed as shown in the figure and procedure below Shipping plates Shipping plate Shipping plates Front 96 168T type Front 72T type 1 Remove shipping plates 2 Be sure to tighten compressor fixing bolts again 9 1ft lbf 12 3 N m Compressor Ship...

Page 12: ... outside and which do not accumulate harmful sulfur oxidants dirt cutting oils moisture or other contamination Foreign materials inside pipes including oils for fabrication must be 0 14 gr 10 ft 30 mg 10 m or less Use the following items for the refrigerant piping Material Jointless phosphor deoxidized copper pipe Size See 7 3 Selection of piping size to determine the correct size Thickness Select...

Page 13: ... example REFNET joint a see 7 3 Selection of piping size Outdoor unit capacity type Kit name REYQ 72 96T type KHRP25A33T9 KHRP25A33TA REYQ 120 216T type KHRP25M72TU9 KHRP25M72TUA REYQ 240 456T type KHRP25M73TU9 KHRP25M73TUA For REFNET joints other than the first branch example REFNET joint b see 7 3 Selection of piping size select the proper branch kit model based on the total capacity of all indo...

Page 14: ...ally paying attention to the installation restrictions indicated in 8 Precautions on refrigerant piping on page 14 Example of connection Outdoor unit side Indoor unit side Branch Selector unit 1 2 1 Piping from outdoor units to Branch Selector units Suction gas pipe High low pressure gas pipe Liquid pipe 3 lines 3 pipes 2 Piping from Branch Selector units to the indoor units and from refrigerant b...

Page 15: ...h 5 Actual piping length Actual piping length from the first REFNET joint or REFNET header to indoor unit 130 ft 40 m 8 Example 4 d g i 130 ft 40 m 7 b c m o 130 ft 40 m 8 b c p 130 ft 40 m 4 In the case of an outdoor units multi system outdoor unit should be read as the first outdoor unit multi connection piping kit seen from the indoor units side 5 In the case of a multi Branch Selector unit it ...

Page 16: ...gth calculated by doubling the piping length as upsized in 1 above is 3280 ft 1000 m The main pipe and lines that are not upsized should not be doubled a b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p q r s 3280 ft 1000 m 3 The actual piping length from each indoor units to the nearest refriger ant branch kit are all 130 ft 40 m i j p 130 ft 40 m h q r 130 ft 40 m h q s 130 ft 40 m 4 The difference betwe...

Page 17: ...events 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 The Dry Nitrogen pressure should be set to 2 9 psi 0 02 MPa i e just enough so it can be felt on the skin with a pressure reducing valve 1 2 3 4 5 6 6 1 Refrigerant piping 2 Part to be brazed 3 Tapi...

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 piping with an ap propriate tool such as pipe cutters Let the remaining oil drip out in case the recovery was not complete Wait until all oil is dripped out 6 Cut the pinched piping off with a pipe cutte...

Page 19: ...y 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 con nection piping kit BHFP26P100U BHFP26P100UA and BHFP26P151U BHFP26P151UA are always required When install ing the piping follow the instructions in the installation manual that comes with the kit Only proceed ...

Page 20: ...tally 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 horizontally so that the caution label 1 attached to the joint comes to the top Do not tilt the joint more than 15 see view A Do not install the joint vertically see view B Make sure that the total le...

Page 21: ... wiring and components must be installed by a licensed elec trician and must comply with relevant local and national regulations Be sure to use a dedicated power circuit Never use a power supply shared by another appliance Never install a phase advancing capacitor As this unit is equipped with an inverter installing a phase advancing capacitor will not only deteriorate power factor improvement eff...

Page 22: ...V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 30 2A 38 0A 43 0A 55 0A 61 9A 30 2A 43 0A 38 0A 43 0A 38 0A 55 0A 43 0A 55 0A 55 0A 55 0A 55 0A 61 9A 61 9A 61 9A 43 0A 43 0A 43 0A 38 0A 43 0A 61 9A 38 0A 55 0A 61 9A 55 0A 55 0A 55 0A 55 0A 55 0A 61 9A 15 2A 21 1A 21 1A 31 9A 36 1A 15 2A 21 1A 21 1A 21 1A 21 1A 31 9A 21 1A 31 9A 31 9A 31 9A 31 9A 36 1A 36 1A 3...

Page 23: ...F1 F2 F1 F2 F1 F2 14 14 TOOUT DUNIT TO BS UNIT TO BS UNIT TOOUT DUNIT F1 F2 F1 F2 F1 F2 F1 F2 1 Master unit 2 Sub unit 3 Outdoor unit A 4 Outdoor unit B 5 Control box 1 6 Only REYQ TAYD Control box 2 7 Only REYQ TAYD Do not open the control box 2 cover There are no work when installation 8 Never connect the power wire 9 To outdoor unit of other system 10 Use duplex wires No polarity 11 Branch Sele...

Page 24: ...r units in the same piping system must be connected to terminals Q1 and Q2 TO MULTI UNIT Connecting the wires to the F1 F2 TO OUT D UNIT terminals results in system malfunction 2 Wiring to other systems should be connected to terminals F1 and F2 TO OUT D UNIT on the printed circuit board of the master unit The outdoor unit that connects transmission wiring to indoor unit is the master unit The oth...

Page 25: ...Also make sure the thinner wire is on top securing the 2 wires simultaneously to the resin hook using the included clamp 1 Crimp style terminal Wire narrow Terminal block Wire thick Resin hook 9 6 Procedure for Wiring Inside Units Referring to the figure below secure and wire the power and trans mission wiring using the included clamp 1 2 and 3 Wire so that the ground wiring does not come into con...

Page 26: ... microns Take care the pump oil never flow backward into the refrigerant pipe during the pump stops The system for airtight test and vacuum drying Referring to the figure below connect a nitrogen tank refrigerant tank and a vacuum pump to the outdoor unit The refrigerant tank and the charge hose connection to refrigerant charge port or the valve A in the figure below are needed in 14 Charging refr...

Page 27: ...indoor unit this must be prevented by caulking the connections Refer to the following figure 3 4 5 1 6 1 2 1 Insulation material 2 Caulking etc 3 Liquid pipe stop valve 4 Suction gas pipe stop valve 5 High low pressure gas pipe stop valve 6 Connection pipe 12 Checking of device and installation conditions Be sure to check the followings For those doing electrical work 1 Make sure there is no fault...

Page 28: ...blished and normal the segment indication state will be as follows default situation when shipped from factory When turning on the power supply the display flashes on and off First checks of the power supply are executed 1 2 minutes When no trouble occurs lighted as indicated 8 10 minutes Ready for operation blank display indication as indicated When above situation cannot be confirmed after 12 mi...

Page 29: ... setting confirm again by pushing BS3 To leave the monitoring function push BS1 two times you will return to the default situation when shipped from factory 13 2 2 Operating the DIP switches By operating the DIP switches it is possible to What to do with DIP switch DS1 1 Cool Heat selector refer to the manual of the Cool Heat selector switch OFF not installed factory setting 2 4 NOT USED DO NOT CH...

Page 30: ...l outdoor unit capacity type REYQ72 144T REYQ168 288T REYQ312 456T 295 3 ft 90 m 85 0 0 85 The smaller of D or 5 51 lbs 2 5 kg The smaller of D or 6 61 lbs 3 0 kg The smaller of D or 7 50 lbs 3 4 kg 295 3 ft 90 m 85 0 0 85 2 20 lbs 1 0 kg Parameter D Indoor unit capacity type FXMQ type 07 09 12 15 18 24 30 36 48 54 Refrigerant amount lbs kg unit 0 06 0 03 0 03 0 014 0 14 0 06 0 29 0 13 0 25 0 11 0...

Page 31: ...alve B R Q Step 5 Open all outdoor unit stop valves Step 6 Proceed with automatic or manual charge A Automatic charge Not applicable in DOAS system B Manual charge Step 6a Push BS2 once 888 Push BS2 for more than 5 seconds 01 pressure equalisation Step 6b Activate field setting 2 20 1 Unit will start manual refrigerant charging operation Depending on ambient conditions the unit will decide to perf...

Page 32: ...or temperature out of range and E 3 outdoor temperature out of range In this case perform automatic charging procedure again See figure location of valves next page for more information refer to the text in this chapter Be sure to charge the specified amount of refrigerant in liquid state Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to c...

Page 33: ...page 28 To speed up the process of pre charging refrigerant for large systems it is recommended to first charge a portion of the refrigerant before performing automatic or manual charging This step is included in below procedure This step can be skipped charging will take longer in such a case Follow the steps as described below and take into account whether you want to use the automatic charge fu...

Page 34: ... or E 3 the ambient conditions are NOT favorable to execute the test run Push BS1 to finish the automatic charging procedure INFORMATION In case a malfunction code occurred during this automatic charging procedure the unit will stop and indicate 26 flashing Push BS2 to restart the procedure Cooling middle segment indicates 0 Automatic charging will continue the segment indication shows the current...

Page 35: ...g of 9 2 C a If average subcooling is low add charge to raise subcooling to 9 0 5 C The maximum additional charge is 4 4 lbs unit 2kg unit b If average subcooling is high remove charge to lower the sub cooling to 9 0 5 C 14 3 4 Checks after adding refrigerant Are all stop valves open Is the amount of refrigerant that has been added recorded on the refrigerant charge label NOTE Make sure to open al...

Page 36: ...nditions Low noise operation can be set in mode 2 There are two methods to activate low noise operation of the outdoor unit system The first method is to enable an automatic low noise opera tion during night time by field setting The unit will operate at the selected low noise level during the selected time frames The second method is to enable low noise operation based on an external input For th...

Page 37: ... 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 the static pressure the outdoor unit fan is delivering this setting should be activated For details about this setting see technical specifications Default value 0 To activate this function change 2 18 1 2 20 Manual additional refrigerant charge In o...

Page 38: ...ation If the system always needs to be running under power consumption limitation conditions this setting activates and defines the level power consumption limitation that will be applied continuously The level is according to the table Default value 0 OFF Value 2 32 Restriction reference 0 Function not active default 1 Follows 2 30 setting 2 Follows 2 31 setting Change 2 32 0 1 or 2 in function o...

Page 39: ...aving and optimum operation 2 92 Te 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 is at lower system load then use a higher setting under 2 92 Note In high humid areas it is recommended to keep this setting to 0 or 1 Refer to supplemental document...

Page 40: ...ith setting 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 operation or undershoot during cooling operation is allowed compared to the requested refrigerant tem perature in order to achieve the required room temperature very fast The overshoot is allowed f...

Page 41: ...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 load curve default automatic mode peak capacity B Load curve C Virtual target value initial condensation tempera ture value automatic mode D Design temperature E Load factor F Outside air temperature Tc...

Page 42: ...of tests stand by periods etc INFORMATION 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 smooth operation and stable power consumption Reason is that the scroll is made out of iron and that it takes some time to smooth the surfaces that make contact NOTE To p...

Page 43: ... the malfunction code and retry operation The malfunction 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 will be displayed intermittent Example Main code Sub code With an interval of 1 second the display will switch between main code and sub code Malf...

Page 44: ... sensor malfunction R14T A1P X19A Check connection on printed circuit board or actuator J5 01 03 05 Temperature sensor malfunction R12T A8P X15A Check connection on printed circuit board or actuator 18 19 20 Temperature sensor malfunction R10T A1P X29A Check connection on printed circuit board or actuator J6 01 02 03 Temperature sensor malfunction R11T A8P X15A Check connection on printed circuit ...

Page 45: ...5 28 02 09 12 Reversed or open power supply phase Check if power supply is within the range Correct phase order 23 26 29 U3 03 System test run not yet executed system operation not possible Execute system test run 04 An error occurred during the test run Check the piping and re execute the test run 05 Test run aborted Re execute the test run 06 07 Test run aborted due to communication issues Check...

Page 46: ...correct refer ring to the wiring diagram for Branch Selector units and correct if there are any errors Check that the DIP switches settings are correct referring to the installation manual enclosed in Branch Selector units package or to the Service precautions plate attached to the control box cover and correct if there are any errors UH 01 Auto address malfunction inconsistency Check if transmiss...

Page 47: ...NOTE Play it safe For protection of the printed circuit board touch the con trol box casing by hand in order to eliminate static electricity from your body before performing service 17 3 Service mode operation Refrigerant recovery operation vacuuming operation is possible by applying setting 2 21 Refer to 13 2 Operating the push buttons and DIP switches on the printed circuit board on page 25 for ...

Page 48: ...single unit system amount of refrigerant with which the system is charged before leav ing the factory Additional charging amount amount of re frigerant added locally in accordance with the length or diameter of the refrigerant piping Total amount of refrigerant lbs kg in the system NOTE Where a single refrigerant facility is divided into 2 entirely independent refrigerant systems then use the amou...

Page 49: ...Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 3P362438 5N EM16A005B 1912 HT 00_CV_3P362438 5N indd 2 2019 09 12 11 23 37 ...

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