Daikin REYQ96MTJU Installation Manual
Daikin REYQ96MTJU Installation Manual

Daikin REYQ96MTJU Installation Manual

Vrv system air condtioner
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INSTALLATION MANUAL

Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
System air conditioner
MODEL
REYQ96MTJU
REYQ192MTJU

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Summary of Contents for Daikin REYQ96MTJU

  • Page 1: Installation Manual

    INSTALLATION MANUAL System air conditioner MODEL REYQ96MTJU REYQ192MTJU Read these instructions carefully before installation. Keep this manual in a handy place for future reference. This manual should be left with the equipment owner.
  • Page 2 < > < > If installed as a single unit When installed in serial H1≤59 A≥19-5/8 (Pattern 1) (Pattern 1) H1=59+X A≥19-5/8+X/2 H2≤19-5/8 B1≥11-3/4 B2≥3-7/8 ≥3/8 ≥3/4 ≥3/8 ≥3/8 ≥3/8 ≥3/4 H2=19-5/8 + Y B1≥11-3/4+Y/2 B2≥3-7/8+Y/2 (Pattern 2) (Pattern 2) ≥2 ≥2 ≥3-7/8...
  • Page 3 One outdoor unit installed Multiple outdoor units installed figure 9 figure 10 figure 11 One outdoor unit installed Multiple outdoor units installed figure 12 figure 13 figure 14...
  • Page 4 F2 Q1 Q2 A B C F C/H SELECTOR TO IN/D UNIT TO OUT/D UNIT TO MULTI UNIT figure 16 IN/D OUT/D.BS IN/D OUT/D.BS IN/D OUT/D.BS A B C F1 F2 F1 F2 Q1 Q2 Q1 Q2 figure 15 figure 17 figure 18 figure 19 figure 21...
  • Page 5: Table Of Contents

    Do not try to install the unit by yourself. by Daikin are used, fire or explosion may result. Improper installation may result in water leakage, electric shocks • Do not touch the switch with wet fingers.
  • Page 6: Introduction

    Your hands may suffer burns or frostbite if you touch the refrigerant pipes. The REYQ-M units can be combined with Daikin VRV series indoor units for air conditioning purposes. • Do not turn off the power immediately after stopping operation.
  • Page 7: Standard Supplied Accessories

    1-3 Standard supplied accessories 1-5 Technical specifications (1) General REYQ96MTJU REYQ192MTJU Suction gas line Name Clamp (1) Clamp (2) Clamp (3) piping attached to Nominal cooling capacity (MBh) unit (1) Nominal heating capacity Quantity 9 pcs. 2 pcs. 1 pc.
  • Page 8: Inspecting And Handling The Unit

    The space around the unit is adequate for servicing and the mini- When lifting the unit with a crane, always use protectors to prevent mum space for air inlet and air outlet is available. belt damage and pay attention to the position of the unit’s center of (refer to figure 1 and choose one of both possibilities) gravity.
  • Page 9: Refrigerant Piping

    6-2 Connecting the refrigerant piping Ex: passing piping out through the front The local branch piping can be connected either forward or to the sides (taken out of the bottom) as shown in the figure. 1. Plug the areas marked with “ ”.
  • Page 10 (Refer to figure 10) 1. Outdoor unit 2. Main pipe 3. Enlarge 4. The first refrigerant branching kit. 5. Indoor unit 6. BS unit [Liquid side] REYQ96MTJU ......φ3/8”➔ φ1/2” REYQ192MTJU ......φ5/8”➔ φ3/4”...
  • Page 11 Prohibited pattern to indoor unit to indoor unit Oil collects to the stopping outdoor unit. Change to pattern 1 or pattern 2 Unit A Unit A Unit B Unit B to indoor unit to indoor unit Oil collects to the outdoor unit B when the system stops. Change as shown in the figure below.
  • Page 12: Example Of Connection

    6-3 Example of connection...
  • Page 13: Leak Test And Vacuum Drying

    6-4 Leak test and vacuum drying Closing stop valve Remove the cap and turn the valve clockwise with the hexagon The units were checked for leaks by the manufacturer. wrench. Confirm that the valves are firmly closed before pressure test or vacu- Securely tighten the valve until the shaft contacts the main body uming.
  • Page 14: Pipe Insulation

    TO AVOID COMPRESSOR BREAKDOWN. DO NOT CHARGE THE Not recommendable but in case of emergency REFRIGERANT MORE THAN THE SPECIFED AMOUNT TO RAISE You must use a torque wrench but if you are obliged to install the unit without THE CONDENSING PRESSURE. a torque wrench, you may follow the installation method mentioned below.
  • Page 15: Field Wiring

    Recommended Transmission Close (Default status Voltage frequency fuses line selection Open Open Open before delivery) φ REYQ96MTJU 3, 60Hz 208-230V AWG 18-16 Multiple outdoor units installed φ REYQ192MTJU 3, 60Hz 208-230V 70A + 70A AWG 18-16 (Refer to figure 12)
  • Page 16: Examples

    7-4 Examples CAUTION System example (Refer to figure 13) 〉 〉 〉 〉 〈 〈 〈 〈 Precautions when laying power wiring 1. Field power supply Use round pressure terminals for connections to the power terminal 2. Main switch block. 3.
  • Page 17: Before Operation

    [In case of multiple outdoor units] NOTE • The interconnecting wiring between the outdoor units in the same pipe line must be connected to the Q1/Q2 (Out Multi) terminals. Con- Be sure to follow the limits below. If the transmission wiring is necting the wires to the (Out-Out) terminals results in system mal- beyond these limits, it may result in malfunction of transmission.
  • Page 18: Test Operation

    8-2 Test operation Remote controller displays an error: Malfunc- NOTE Installation error Solution tion code After completing installation, be sure to open the valves. (Operat- Check referring to the table in ing the unit with the valves shut will break the compressor.) The stop valve of an out- “6-6 Additional Refrigerant door unit is left closed.
  • Page 19: Caution For Refrigerant Leaks

    2. room where refrigerant leak has occurred (outflow of all the revise the system. refrigerant from the system) Please consult your Daikin supplier. Pay a special attention to the place, such as a basement, etc. where refrigerant can stay, since refrigerant is heavier than air.
  • Page 20 1645 Wallace Drive, Suite 110 Carrollton, TX 75006 info@daikinac.com www.daikinac.com 3P114261-10Y EM04A002A (0506) HT...

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