Table of Contents
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PRESALES
VRV
MODEL
REYQ72AATJ*
REYQ72AAYD*
REYQ96AATJ*
REYQ96AAYD*
REYQ120AATJ*
REYQ120AAYD*
REYQ144AATJ*
REYQ144AAYD*
REYQ168AATJ*
REYQ168AAYD*
REYQ192AATJ*
REYQ192AAYD*
REYQ216AATJ*
REYQ216AAYD*
REYQ240AATJ*
REYQ240AAYD*
REYQ264AATJ*
REYQ264AAYD*
REYQ288AATJ*
REYQ288AAYD*
REYQ312AATJ*
REYQ312AAYD*
REYQ336AATJ*
REYQ336AAYD*
REYQ360AATJ*
REYQ360AAYD*
REYQ384AATJ*
REYQ384AAYD*
REYQ408AATJ*
REYQ408AAYD*
REYQ432AATJ*
REYQ432AAYD*
REYQ456AATJ*
REYQ456AAYD*
REYQ480AATJ*
REYQ480AAYD*
Please visit http://www.daikinac.com/content/resources/manuals for the most current version of installation
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INSTALLATION MANUAL
System air conditioner
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Table of Contents
Related Manuals for Daikin REYQ72AATJ Series
Summary of Contents for Daikin REYQ72AATJ Series
- Page 1 PRESALES INSTALLATION MANUAL System air conditioner English MODEL REYQ72AATJ* REYQ72AAYD* REYQ96AATJ* REYQ96AAYD* REYQ120AATJ* REYQ120AAYD* Français REYQ144AATJ* REYQ144AAYD* REYQ168AATJ* REYQ168AAYD* REYQ192AATJ* REYQ192AAYD* REYQ216AATJ* REYQ216AAYD* Español REYQ240AATJ* REYQ240AAYD* REYQ264AATJ* REYQ264AAYD* REYQ288AATJ* REYQ288AAYD* REYQ312AATJ* REYQ312AAYD* REYQ336AATJ* REYQ336AAYD* REYQ360AATJ* REYQ360AAYD* REYQ384AATJ* REYQ384AAYD* REYQ408AATJ* REYQ408AAYD* REYQ432AATJ* REYQ432AAYD* REYQ456AATJ*...
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Page 2: Safety Considerations
Safety considerations WARNING • Read these Safety considerations for Installation carefully be- work. Installation must be done in accordance with this fore installing an air conditioner or heat pump. After complet- installation manual. Improper installation could result in ing the installation, make sure that the unit operates properly during the startup operation. -
Page 3: Codes And Regulations
CAUTION (b) Where corrosive gas, such as sulfurous acid gas, is produced. • Corroding copper pipes or soldered parts may result in refrigerant leakage. • Do not allow children to play on or around the unit or it (c) Near machinery emitting electromagnetic waves. may result in injury. -
Page 4: Table Of Contents
REYQ72AATJ* REYQ240AATJ* REYQ408AATJ* REYQ72AAYD* REYQ240AAYD* REYQ408AAYD* REYQ96AATJ* REYQ264AATJ* REYQ432AATJ* REYQ96AAYD* REYQ264AAYD* REYQ432AAYD* REYQ120AATJ* REYQ288AATJ* REYQ456AATJ* REYQ120AAYD* REYQ288AAYD* REYQ456AAYD* VRV System air conditioner REYQ144AATJ* REYQ312AATJ* REYQ480AATJ* REYQ144AAYD* REYQ312AAYD* REYQ480AAYD* Installation Manual REYQ168AATJ* REYQ336AATJ* REYQ168AAYD* REYQ336AAYD* REYQ192AATJ* REYQ360AATJ* REYQ192AAYD* REYQ360AAYD* REYQ216AATJ* REYQ384AATJ* REYQ216AAYD* REYQ384AAYD* CONTENTS... -
Page 5: Introduction
1. Introduction 96 120 144 168 192 216 240 REYQ72AATJ*/AAYD* 1.1. General information REYQ96AATJ*/AAYD* This installation manual concerns the VRV REYQ-A series, full REYQ120AATJ*/AAYD* inverter driven, heat pump system. REYQ144AATJ*/AAYD* REYQ168AATJ*/AAYD* REYQ192AATJ*/AAYD* REYQ216AATJ*/AAYD* REYQ240AATJ*/AAYD* REYQ264AATJ*/AAYD* REYQ288AATJ*/AAYD* REYQ312AATJ*/AAYD* REYQ336AATJ*/AAYD* REYQ360AATJ*/AAYD* REYQ384AATJ*/AAYD* Outdoor unit REYQ408AATJ*/AAYD* Refrigerant piping... -
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 REYQ-A series outdoor units. This manual has been prepared to ensure adequate maintenance of the unit, and it will provide help in case problems occur. -
Page 7: Overview Of Unit
3. Overview of unit 4. Selecting an installation location 3.1. Opening the unit WARNING To gain access to the unit, front panels need to be opened as follows: Be sure to provide for adequate measures in order to prevent that the unit is used as a shelter by small animals. -
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 Snow/wind hood kit additional precautions. -
Page 9: Dimensions And Service Space
5. Dimensions and service space Unit: in. (mm) REYQ72A REYQ96-168A REYQ192-240A 5.1. Dimensions of outdoor unit Foundation bolt holes REYQ72A type 9/16 (15) × 7/8 (22.5) oblong holes×4 Pitch of foundation bolt holes 30-3/16 (766) 42-3/8 (1076) 62-7/16 (1586) Pitch of foundation bolt holes 28-7/16~29 (722~737) 2-7/16 (62) 2-7/16 (62) -
Page 10: Service Space
5.2. Service space <Front side> <Suction side> The space around the unit is adequate for servicing and the minimum Service Service and choose one of the possibilities). space space or more or more 59-1/16 in. (1500 mm) 19-11/16 in. (500 mm) •... -
Page 11: Inspecting, Handling And Unpacking The Unit
6. Inspecting, handling and unpacking the unit 4 Lift the unit preferably with a crane and 2 belts of at least 27 ft. 6.1. Inspection Always use protectors to prevent belt damage and pay attention to At delivery, the unit must be checked and any damage must be re- the position of the unit’s center of gravity. -
Page 12: Installing The Unit
6.4. Installing the unit Distance between REYQ192-240 type only : 15-5/8 in. foundation bolt holes (397 mm) prevent vibration and noise. *1 In areas where compliance with the FL Building Code is required, NOTE When the installation height of the unit needs to be increased, do not •... -
Page 13: Refrigerant Pipe Size And Allowable Pipe Length
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 NOTE The refrigerant R410A requires strict cautions for keeping the system clean, dry and tight. •... -
Page 14: Selection Of Refrigerant Branch Kits
7.3.2. Piping between refrigerant branch kits, Branch Selector Kit name Indoor unit units, or refrigerant branch kits and Branch Selector units: C capacity index Choose from the following table in accordance with the indoor unit KHRP25A22T9 KHRP26A22T9 <72 total capacity, connected downstream. Do not let the connection piping KHRP25A22TA KHRP26A22TA KHRP25A33T9... - Page 15 INFORMATION The piping branch by REFNET joints is possible in the downstream of REFNET headers. Indoor unit total capacity at REFNET joints accord- ing to the REFNET header are as follows. REFNET joint REFNET header Indoor unit Indoor unit (Downstream of REFNET joint) REFNET Header Indoor unit total capacity at REFNET joint...
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Page 16: System Piping (Length) Limitations
7.5. : Branch Selector unit (multi) : Indoor units (cooling/heating Outdoor unit selectable) Outdoor unit B2 , : Branch Selector unit (single) Outdoor unit multi connection B4 , : Branch Selector unit (multi) : Indoor unit (cooling only) piping kit (*1) connected in pass through (*3) REFNET joint (A-F) - Page 17 Actual piping length (Calculate the equivalent piping length for the REFNET joint as 1.6 ft. (0.5 m), REFNET header as 3.3 ft. (1 m), BS4 6Q54T as 19 ft. (6 m), BS8 to 12Q54T as 60T as 13 ft. (4 m), and BSQ96T as 19 ft. (6 m).) For the equivalent length of BSF-Q54T , refer to the table below based on the total capacity of the indoor units to be connected downstream.
- Page 18 Outdoor unit capacity type Liquid pipe First refrigerant Outdoor units branch kit 3/8 in. (9.5 mm) REYQ72, 96A type Branch 1/2 in. (12.7 mm) Selector Indoor 1/2 in. (12.7 mm) units units REYQ120, 144A type 5/8 in. (15.9 mm) 5/8 in. (15.9 mm) REYQ168-240A type 3/4 in.
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Page 19: Precautions On Refrigerant Piping
8. Precautions on refrigerant piping • Do not allow anything other than the designated refrigerant to get refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away. • Use R410A only when adding refrigerant. 1 Refrigerant piping •... - Page 20 15 Stop valve service port NOTE Valve A Precautions when cutting the slit holes and removing the through hole Valve B cover: C Valve C • Open the slit holes with a cutting nippers or similar tool. • After cutting the slit holes, it is recommended to remove burrs in the 3 Recover gas and oil from the pinched piping by using a recovery slit holes and paint the edges and areas around the edges using the unit.
- Page 21 8.2.3. Connecting refrigerant piping to the outdoor unit NOTE • • Be sure to use the supplied accessory pipes when carrying out pip- • Front connection the bottom panel or side panel. Especially for the bottom and side Remove the slit hole of the piping intake and connect piping to the connection, be sure to protect the piping with suitable insulation, to piping intake.
- Page 22 Prohibited patterns: change to pattern 1 or 2 REFNET joint Mount the REFNET joint so that it branches either horizontally (within ±30°) or vertically. Horizontal surface Horizontal To indoor units Oil collects to the outmost outdoor units Vertical REFNET header Mount the REFNET header so that it branches horizontally.
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Page 23: Guidelines For Handling Stop Valve
8.3. Guidelines for handling stop valve Closing the stop valve 1 Remove the stop valve cover. 8.3.1. Cautions on handling the stop valve • Make sure to keep all stop valves open during operation. clockwise. • the stop valve. 3 Turn until the shaft stops by applying the designated torque. •... -
Page 24: Power Circuit, Safety Device And Cable Requirements
(If operated with a thermistor, sensor or similar parts removed, the 9.2. Wiring connection example for whole system compressor may be broken down.) • Never connect the power supply in reverse-phase. • Make sure the electrical imbalance ratio is no greater than 2%. If it is larger than this, the unit’s lifespan will be reduced. -
Page 25: Transmission Wiring Connection Procedure
Master unit (*) Sub unit (*) Outdoor unit A Outdoor unit B Never connect the power wire. To outdoor unit of other system Inspection door Branch Selector unit Indoor unit NOTE Indoor unit (Cooling only) • Open the slit holes with a cutting nipper or similar tool. (*) : The outdoor unit that connect the transmission wiring to •... -
Page 26: Power Wiring Connection Procedure
• 9.5. Power wiring connection procedure • Be sure to connect the power supply wiring to the power supply ter- minal block, pass each phase (L1- 3) wire through separate rubber • • Pass the power supply wiring and ground wiring through their clamp (accessory) rubber sleeve How to pass wire through the rubber sleeve:... -
Page 27: Procedure For Wiring Inside Units
• Route wiring so that it does not come into contact with the high- CAUTION • Be sure to use crimp-style terminal with insulating sleeves for con- Power wire Crimp-style terminal Insulating sleeve • board. • Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will strip the head and make proper tightening impossible. -
Page 28: Air Tight Test And Vacuum Drying
10. Air tight test and vacuum drying NOTE • • The air-tightness test and vacuum drying should be done using the service ports of suction gas pipe, high/low pressure gas pipe and NOTE • Always use nitrogen gas for the air tightness test. panel of the outdoor unit for details on the location of the service •... -
Page 29: Pipe Insulation
11. Pipe insulation NOTE some input to the printed circuit board of the unit. This chapter will Pipe insulation thickness provided below are guidelines only. Pipes describe how manual input is possible by operating the push buttons/ must be insulated with the appropriate thickness of insulation per ap- DIP switches on the printed circuit board and reading the feedback plicable local/state or national codes. -
Page 30: Operating The Push Buttons And Dip Switches On The Printed Circuit Board
Location of the 7 segment displays, buttons and DIP switches: code can be checked on the indoor unit user interface and the outdoor unit segment display. Solve the error code accordingly. The communi- INFORMATION BS1 BS2 BS3 DS1 DS2 X27A Be sure to turn the power on at least 6 hours before operation in order to have power running to the crank case heater. -
Page 31: Outdoor Unit
Mode 2 13.3. • Changing and access the setting in mode 2: has to be done on A1P. Connect the optional cable to the 8-pin blue Once mode 2 is selected (push BS1 for more than 5 seconds), you connector X27A. can select the wanted setting. -
Page 32: Calculating The Additional Refrigerant Charge
14.2. Calculating the additional refrigerant charge Parameter [D] Indoor unit FXMQ type NOTE capacity The refrigerant charge of the system must be less than 210 lbs. type (95.2 kg). This means that in case the calculated total refrigerant Refrigerant charge is equal to or more than 209 lbs. (94.8 kg) you must divide 0.06 0.03 0.14... -
Page 33: 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 B and C • Open valve A to the liquid line • R<Q R>Q Step 4a Refrigerant overcharge happened, recover Step 4b •... - Page 34 Measuring instrument NOTE Refrigerant R410A tank (siphon system) • If the power of some units is turned off, the charging procedure can- Vacuum pump Charge hose • In case of a multiple outdoor system, turn on the power of all out- door units.
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Page 35: Checks Before Initial Start-Up
15.1. Checks before initial start-up will stop and return to idle condition. • Please refer to the Maintenance and service check list available on Daikin City or contact your Daikin representative for the latest unit be powered up. document. 1 Installation Check that the unit is properly installed, to avoid abnormal noises and vibrations when starting up the unit. - Page 36 13 Air inlet/outlet 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 • 0=unit is currently not operating under power consump- tion limitations Record them on the accessory REQUEST FOR THE INDICATION Power consumption limitation reduces the power consump-...
- Page 37 OFF (default) Eco mode can be activated by short circuit the terminal on Conditions/rules apply for this setting. Refer to selection software or contact your Daikin sales representative for This unit can operate with “T or T further details.
- Page 38 the required additional refrigerant amount is charged), push Value Start time automatic low noise BS3. If this function was not aborted by pushing BS3, the [2-26] unit will stop its operation after 30 minutes. If 30 minutes 8:00 p.m. 10:00 p.m. (default) 12:00 a.m.
- Page 39 control adaptor (DTA104A61/62) Default value=0. If the system needs to run under power consumption limita- Value Description [2-45] No low ambient cooling available. that will be applied for step 2. The level is according to the (default) table. Low ambient cooling available. Default value=1.
- Page 40 AUX Heater is allowed to energize when the ambient temp is Default value=1. Value Cooling comfort setting Value [2-81] Fahrenheit ( Celsius ( [2-97] Mild (default) Quick Powerful For more information and advice about the effect of these 35 (default) 1.6 (default) settings, see 15.3.
- Page 41 event of a system failure. Error codes capable of auto backup are listed in the table below. Value Controlling mode Description Please be aware that the error codes that are not listed do [2-37] not auto backup in order to protect the unit. Mode 1 Lockout is controlled by ABC Error code...
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Page 42: Energy Saving And Optimum Operation
15.3. Energy saving and optimum operation Value target [2-8] This heat recovery system is equipped with advanced energy sav- ing functionality (VRT). Detecting all connected indoor unit type, 45°F (7°C) advanced energy saving functionality type is selected automatically. 46°F (8°C) Depending on the priority, emphasizes can be put on energy saving 48°F (9°C) or comfort level. -
Page 43: Test Operation
• Mild CAUTION Overshoot (during heating operation) or undershoot (during cooling • During tests never pressurize the appliances with a pressure higher operation) is allowed compared to the requested refrigerant tem- perature, in order to achieve the required room temperature very plate of the unit). -
Page 44: Error Code List
INFORMATION abnormality is properly corrected. • It may take 10 minutes to achieve a uniform refrigerant state before INFORMATION the compressor starts. Refer to the installation manual of the indoor unit for other detailed • During the test operation, the refrigerant running sound or the mag- error codes related to indoor units. - Page 45 Error code Contents Solution Main Sub code code Master/sub 1/sub 2 01/03/05 • High pressure switch is activated. • Check stop valves situation or abnormalities in (S1PH)-A1P (X2A) • High pressure switch connectors are detached. • Securely connect each connector. Refer to the wiring -A1P (X2A, X3A, X4A) 02/04/06 •...
- Page 46 Error code Contents Solution Main Sub code code Master/sub 1/sub 2 01/03/05 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R19T)-A1P(X46A) 18/19/20 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R5T)-A1P(X35A) 01/02/03 Temperature sensor malfunction Check connection on printed circuit board or actuator.
- Page 47 Error code Contents Solution Main Sub code code Master/sub 1/sub 2 not possible). An error occurred during the test run. Test run aborted. Test run aborted due to communication issues. test run. Faulty wiring to Q1/Q2 or indoor- outdoor. Connect transmission wiring of Branch Selector units and indoor units to “TO IN/D UNIT (F1, F2)”...
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Page 48: Operation Of The Unit
Please refer to the Maintenance and service check list available on Dai- 3 To prevent damaging the printed circuit board, touch a noncoated kin City or contact your Daikin representative for the latest document. metal part to eliminate static electricity before pulling out or plug- ging in connectors. -
Page 49: Caution For Refrigerant Leaks
17.3.1. Vacuuming method NOTE Where a single refrigerant facility is divided into 2 entirely independent refrigerant systems then use the amount of refrigerant with which each separate system is charged. the segment display indication= and the user interface of CENTRAL all indoor units indicate “Test Operation”... - Page 50 English...
- Page 51 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P657316-1 EM20A014 [2110] SP...