Daikin VRV Aurora RXLQ72TATJU Installation Manual
Vrv aurora series system air conditioner
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VRV Aurora Series
MODEL
RXLQ72TATJU
RXLQ72TAYDU
RXLQ96TATJU
RXLQ96TAYDU
RXLQ120TATJU
RXLQ120TAYDU
RXLQ144TATJU
RXLQ144TAYDU
RXLQ192TATJU
RXLQ192TAYDU
RXLQ240TATJU
RXLQ240TAYDU
INSTALLATION MANUAL
System air conditioner
RXLQ72TAYCU
RXLQ96TAYCU
RXLQ120TAYCU
RXLQ144TAYCU
RXLQ192TAYCU
RXLQ240TAYCU
English
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Table of Contents
Related Manuals for Daikin VRV Aurora RXLQ72TATJU
Summary of Contents for Daikin VRV Aurora RXLQ72TATJU
- Page 1 INSTALLATION MANUAL VRV Aurora Series System air conditioner English MODEL RXLQ72TATJU RXLQ72TAYDU RXLQ72TAYCU RXLQ96TATJU RXLQ96TAYDU RXLQ96TAYCU RXLQ120TATJU RXLQ120TAYDU RXLQ120TAYCU Français RXLQ144TATJU RXLQ144TAYDU RXLQ144TAYCU RXLQ192TATJU RXLQ192TAYDU RXLQ192TAYCU RXLQ240TATJU RXLQ240TAYDU RXLQ240TAYCU Español...
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Page 2: Safety Considerations
Daikin are used, fire or explosion could result. ous injury or death. • Safely dispose all packing and transportation materials in accordance with federal/state/local laws or ordinances. -
Page 3: Codes And Regulations
Make sure to use a DAIKIN specified checker while measur- (inverter or rapid start types). Install the indoor unit far ing sub cooling. Do not use the check valve or the other port away from fluorescent lamps as much as possible. -
Page 4: Table Of Contents
RXLQ72TATJU RXLQ72TAYDU RXLQ72TAYCU RXLQ96TATJU RXLQ96TAYDU RXLQ96TAYCU VRV Aurora Series System air conditioner RXLQ120TATJU RXLQ120TAYDU RXLQ120TAYCU RXLQ144TATJU RXLQ144TAYDU RXLQ144TAYCU Installation Manual RXLQ192TATJU RXLQ192TAYDU RXLQ192TAYCU RXLQ240TATJU RXLQ240TAYDU RXLQ240TAYCU CONTENTS Safety considerations ........i 9.4. -
Page 5: Introduction
The software for the user interface program In general VRV indoor units can be connected to RXLQ-T units. can be obtained from your local Daikin sales office. INFORMATION Refer to the technical engineering data for the latest option names. -
Page 6: Indoor Capacity Range
1 .3 . Indoor capacity range 1 .4 . Scope of the manual This manual describes the procedures for handling, installing and 1 .3 . 1 . Connection Ratio connecting the VRV Aurora series outdoor units. This manual has Connection Ratio = Total capacity index of the indoor units / Capac- been prepared to ensure adequate maintenance of the unit, and it will ity index of the outdoor units... -
Page 7: Overview Of Unit
3 . Overview of unit CAUTION 3 . 1 . Opening the unit Appliance not accessible to the general public, install it in a secured area, protected from easy access. To gain access to the unit, front panels need to be opened as follows: This unit, both indoor and outdoor, is suitable for installation in a com- RXLQ72-120T type mercial and light industrial environment. -
Page 8: Weather Related Precautions
• When installing in areas where air contains high levels of salt such as near the ocean; Contact your Daikin sales representative for additional precautions. 4 .3 . Selecting a location in cold climates NOTE •... -
Page 9: Dimensions And Service Space
5 . Dimensions and service space 5 .2 . Service space The space around the unit is adequate for servicing and the minimum 5 . 1 . Dimensions of outdoor unit space for air inlet and air outlet is available (refer to the figure below RXLQ72-120T type and choose one of the possibilities). -
Page 10: Inspecting, Handling And Unpacking
3 Bring the unit as close as possible to its final installation position in its original package to prevent damage during transport. <Front side> <Suction side> Service space or more or more 59 in. (1500 mm) 19-5/8 in. (500 mm) •... -
Page 11: Installing The Unit
6 .4 . Installing the unit NOTE Make sure the unit is installed level on a sufficiently strong base to • There are restrictions on the refrigerant pipe connecting order prevent vibration and noise. between outdoor units in the case of the multi system. NOTE See 1.2.2. -
Page 12: Refrigerant Pipe Size And Allowable Pipe
7 . Refrigerant pipe size and allowable pipe length 7 .3 . Selection of piping size Determine the proper size referring to following tables and reference 7 . 1 . General information figure (only for indication). NOTE The refrigerant R410A requires strict cautions for keeping the system clean, dry and tight. -
Page 13: Selection Of Refrigerant Branch Kits
7 .3 .2 . Piping between refrigerant branch kits: C Size up for equivalent length for outdoor-indoor units over 295 ft. (90 m) Choose from the following table in accordance with the indoor unit Outdoor unit Gas pipe Liquid pipe total capacity type, connected downstream. Do not let the connec- capacity type tion piping exceed the refrigerant piping size chosen by the general 3/4 in. -
Page 14: System Piping (Length) Limitations
7 .5 . System piping (length) limitations 7 .5 . 1 . Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length, allowable height difference and al- lowable length after branching as indicated below. Definitions Actual piping length: pipe length between outdoor and indoor units. - Page 15 7 .5 .2 . System only containing VRV indoor units System setup Branch with refnet joint Branch with refnet joint and refnet header Branch with refnet header Single outdoor Example 1 .1 Example 1 .2 Example 1 .3 Multi outdoor Indoor unit Refnet joint Refnet header...
- Page 16 Maximum allowable length after branch The pipe length from the first refrigerant branch kit to the indoor unit ≤130 ft. (40 m) Example 1 .1: unit 8: b+c+d+e+f+g+p≤130 ft. (40 m) Example 1 .2: unit 6: b+h≤130 ft. (40 m), unit 8: i+k≤130 ft. (40 m) Example 1 .3: unit 8: ≤130 ft.
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Page 17: Precautions On Refrigerant Piping
8 . Precautions on refrigerant piping • Do not allow anything other than the designated refrigerant to get mixed into the refrigerant cycle, such as air, nitrogen, etc. If any refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away. - Page 18 Use the following procedure to remove the pinched piping: WARNING 1 Remove the valve cover and make sure that the stop valves are When brazing at the proximity of the stop valves, be sure to protect fully closed. the stop valves mounting plate with a protective plate to prevent from 1 Service port and service port contacting with the burner flame.
- Page 19 Side (bottom) connection • Only proceed with piping work after considering the limitations on Remove the knockout hole on the bottom frame and lead out the installing listed here and in the chapter 8.2. Connecting the refriger- piping from the bottom frame. ant piping on page 14 always referring to the installation manual delivered with the kit.
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Page 20: Guidelines For Handling Stop Valve
• If the piping length between the outdoor units exceeds 6.5 ft. (2 m), 2 Installation of the multi connection piping kit. create a rise of 8 in. (200 mm) or more in the suction gas and high/ low pressure gas line within a length of 6.5 ft. (2 m) from the kit. If ≤ 6.5 ft. (2 m) If > 6.5 ft. (2 m) To indoor units... -
Page 21: Field Wiring
8 .3 .2 . How to use the stop valve • After handling the stop valve, make sure to tighten the stop valve cover securely. For the tightening torque, refer to 8.3.2. How to use Tightening torques the stop valve. Tightening torque (Turn clockwise to close) Stop •... -
Page 22: Power Circuit, Safety Device And Cable Requirements
• Make sure the electrical imbalance ratio is no greater than 2%. If it is 9 .2 . Wiring connection example for whole system larger than this, the unit’s lifespan will be reduced. If the ratio exceeds 4%, the unit will shut down and an malfunction code will be displayed on the indoor remote controller. -
Page 23: Transmission Wiring Connection Procedure
RXLQ72-120T type NOTE • Do not connect the power wiring to terminals for the transmission wiring. Doing so would destroy the entire system. • Wiring to the indoor unit should be wired to F1 and F2 on the out- door unit’s terminal block (A1P_X1M). •... -
Page 24: Power Wiring Connection Procedure
• Outside the units, the transmission wiring must be finished simulta- CAUTION neously with the local refrigerant piping, and wound with tape (field • Install the cover so that the sealing material does not get caught in supply) as shown in the figure below. control box. -
Page 25: Air Tight Test And Vacuum Drying
• Route wiring so that it does not come into contact with the high- 10 . Air tight test and vacuum drying temperature pipes (indicated by the hatching in the figure below) or • After finished piping work, carry out air tight test and vacuum drying. the port pipes (see figure below). -
Page 26: Pipe Insulation
11 . Pipe insulation NOTE • The air-tightness test and vacuum drying should be done using the NOTE service ports of suction gas pipe, high/low pressure gas pipe and Pipe insulation thickness provided below are guidelines only. Pipes liquid pipe stop valve. See the [R410A] Label attached to the front must be insulated with the appropriate thickness of insulation per ap- panel of the outdoor unit for details on the location of the service plicable local/state or national codes. -
Page 27: Checking Of Device And Installation
12 . Checking of device and installation conditions 1 Front panel 2 Inspection door Be sure to check the followings. For those doing electrical work 3 Main printed circuit board with 3 seven-segment display and 3 push buttons 1 Make sure there is no faulty transmission wiring or loosening of a nut. - Page 28 When turning on the power supply, the display flashes on and off. First • Push BS3 one time; the value which is returned (depending on the checks of the power supply are executed (1-2 minutes). actual field situation), is the amount of indoor units which are con- nected to the system.
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Page 29: Connecting The Pc Configurator To The Outdoor Unit
13 .2 .2 . Operating the DIP switches 14 .2 . Calculating the additional refrigerant charge By operating the DIP switches it is possible to: NOTE What to do with DIP switch DS1 The refrigerant charge of the system must be less than 210 lbs. Cool/Heat selector (refer to the manual of the Cool/ (100 kg). - Page 30 Parameter [C] Indoor unit FXMQ type capacity type Refrigerant 0.06 0.03 0.14 0.29 0.25 0.16 0.33 0.25 0.08 0.00 amount (0.03) (0.014) (0.06) (0.13) (0.11) (0.07) (0.15) (0.11) (0.04) (0.00) (lbs. (kg)/unit) Indoor unit FXFQ type capacity Others type Refrigerant 0.36 0.33 0.30...
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Page 31: Method For Adding Refrigerant
14 .3 . Method for adding refrigerant 14 .3 . 1 . Flow chart Step 1 Calculate additional refrigerant charge amount: R (lbs. (kg)) Step 2+3 • Close valves C and A • Open valve B to the liquid line •... - Page 32 Refrigerant R410A tank (siphon system) NOTE Vacuum pump • If the power of some units is turned off, the charging procedure can- Charge hose not be finished properly. Refrigerant charge port • In case of a multiple outdoor system, turn on the power of all out- door units.
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Page 33: Start-Up And Configuration
15 . Start-up and configuration INFORMATION The refrigerant charge operation will automatically stop within 30 INFORMATION minutes. If charging is not completed after 30 minutes, perform the It is important that all information in this chapter is read sequentially by additional refrigerant charging operation again. the installer and that the system is configured as applicable. -
Page 34: Monitoring Function And Field Settings
13 Air inlet/outlet [1-2]= shows the status of power consumption limitation operation. Check that the air inlet and outlet of the unit is not obstructed by • 1=unit is currently operating under power consumption paper sheets, cardboard, or any other material. limitation •... - Page 35 15 .2 .2 . Mode 2 [2-12]= Enable the low noise function and/or power consumption limitation via external control adaptor (DTA104A61/62). Mode 2 is used to change the field settings of the system. Consulting the current field setting value and changing the current field setting If the system needs to run under low noise operation or value is possible.
- Page 36 [2-26]= Low noise operation start time [2-32]= Forced, all time, power consumption limitation operation (no external control adaptor is required to perform power Change [2-26]=1, 2 or 3 in function of required timing. consumption limitation) Default value=2. If the system always needs to run under power consump- Value Start time automatic low noise tion limitation conditions, this setting activates and defines...
- Page 37 [2-35]= Height difference setting 15 .2 .3 . Auxiliary heat control Default value=1. To improve efficiency the aux heat can be lockout based on outdoor In case the outdoor unit is installed in the lowest position temperature. (indoor units are installed on a higher position than outdoor Item Description Increments...
- Page 38 15 .2 .4 . Heat pump lockout • New control logic to provide more application options for cold climates. • Outside temperature can now be measured directly from the out- door unit coil sensor. • VRV IV HR, VRV-S and VRV Aurora series HR can also be programed to automatically switch to emergency heat if there is a system fault.
- Page 39 Actions Type Description Heating Thermo-on Heating Thermo-off Field Shorted setting between Aux heater Indoor fan Aux heater Indoor fan Heat-pump heating is always 2-16 = ON locked out (H/L) 2-37 = Mode 1 Mode 1 (H/L) Lockout is controlled by ABC terminals Mode 2 2-37 =...
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Page 40: Energy Saving And Optimum Operation
15 .3 . Energy saving and optimum operation • Hi-sensible/economic (cooling/heating) The refrigerant temperature is set higher/lower (cooling/heating) RXLQ-T units are equipped with advanced energy saving functionality. compared to basic operation. The focus under high sensible mode Depending on the priority, emphasizes can be put on energy saving is comfort feeling for the customer. - Page 41 In case of cooling operation the evaporating temperature is allowed Example: Automatic mode during cooling to go down to 43°F (6°C) on temporary base depending on the situation. In case of heating operation the condense temperature is allowed 100% to go up to 115°F (46°C) on temporary base depending on the situ- ation.
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Page 42: Test Operation
Example: Automatic mode during cooling No matter which control is selected, variations on the behavior of the system are still possible due to protection controls to keep the unit operating under reliable conditions. The intentional target, however, 100% is fixed and will be used to obtain the best balance between energy consumption and comfort, depending on the application type. -
Page 43: Malfunction Code List
• The test operation is automatically carried out, the outdoor unit INFORMATION and the indication Test operation and display will indicate Note that during the first running period of the unit, required power in- Under centralized control will display on the user interface of put may be higher. - Page 44 Malfunction code Contents Solution Main Sub code code Master/sub 1 01/03 • High pressure switch is activated. • Check stop valves situation or abnormalities in (S1PH)-A1P (X2A) (field) piping or airflow over air cooled coil. • High pressure switch connectors are detached. •...
- Page 45 Malfunction code Contents Solution Main Sub code code Master/sub 1 01/02 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R3T)-A1P (X30A) 06/07 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R7T)-A1P (X30A) 18/19 Temperature sensor malfunction Check connection on printed circuit board or actuator.
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Page 46: Operation Of The Unit
Malfunction code Contents Solution Main Sub code code Master/sub 1 Faulty wiring to Q1/Q2 or indoor- outdoor. Connect transmission wiring of indoor units to “TO IN/D UNIT (F1, F2)” and transmission wiring of other outdoor units to “TO OUT/D UNIT (F1, F2)”. •... - Page 47 RXLQ72TATJU type RXLQ96,120TAYDU type 1 Terminal block for power supply 1 Terminal block for power supply 2 Tester 2 Tester 3 White connector 3 White connector RXLQ72-120TAYCU type RXLQ96,120TATJU type Opening hole There are measurement points 1 Terminal block for power supply at the back of the opening hole.
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Page 48: Service Mode Operation
17 .3 . Service mode operation Procedure for checking maximum concentration Refrigerant recovery operation/vacuuming operation is possible by Check the maximum concentration level in accordance with steps 1 to applying setting [2-21]. Refer to 13.2. Operating the push buttons and 2 below and take whatever action necessary to comply. - Page 49 3P477778-3C EM17A024 [1801] HT...