Daikin VRV IV-S Series Installation Manual
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Daikin VRV IV-S Series Installation Manual

System air conditioner
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MODEL
RXTQ60TAVJUA
INSTALLATION MANUAL
System Air Conditioner
Acondicionador de aire con sistema VRV IV-S
Installation manual
VRV IV-S System air conditioner
Manuel d'installation
Conditionneur d'air VRV IV-S System
Manual de instalación
English
Français
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Summary of Contents for Daikin VRV IV-S Series

  • Page 1 INSTALLATION MANUAL System Air Conditioner Installation manual MODEL English VRV IV-S System air conditioner RXTQ60TAVJUA Manuel d’installation Français Conditionneur d’air VRV IV-S System Manual de instalación Español Acondicionador de aire con sistema VRV IV-S...
  • Page 2 figure 1 figure 2 inch(mm) figure 3 figure 4 20(500) or less 40(1000) 40(1000) or more or more inch(mm) inch(mm) figure 5 figure 6 L > H L > H 40(1000) 40(1000) or more or more inch(mm) inch(mm) figure 7 figure 8...
  • Page 3 40(1000) or more L ≤ H inch(mm) figure 8 inch(mm) inch(mm) figure 9 figure 10 figure 14 13/16 (20) inch(mm) figure 11 figure 12 figure 15 Lock nut Cover 5-1/2 (140) 24-3/8 (620) 5-1/2 (140) Conduit 2-3/4 (71) 5/8 (16) Conduit mounting 16-1/2 (421) plate (accessory)
  • Page 4 TO IN/D UNIT TO OUT/D UNIT F2 F1 F2 (X1M) F1 F2 F1 F2 F1 F2 (X2M) Keep proper distance figure 18 figure 19 figure 17 figure 20 figure 21 figure 22 figure 23 figure 24 figure 25 figure 26 figure 27 figure 28...

  • Page 5: Table Of Contents

    Installation manual VRVIV-S System air conditioner NOTE.....Indicates situations that may result in equipment or CONTENTS property-damage accidents only. 1. SAFETY CONSIDERATIONS ..........1 2. INTRODUCTION..............2 DANGER 2-1. Combination ..............3 • Refrigerant gas is heavier than air and replaces oxygen. A mas- 2-2.

  • Page 6: Introduction

    Daikin are used, fire or explosion could result. • Take adequate measures to prevent the outdoor unit from being used as a shelter by small animals.

  • Page 7: Combination

    2-1 Combination 2-4 Option accessory The indoor units can be installed in the following range. • Refrigerant branching kit • Be sure to connect a dedicated indoor unit. See the catalog for REFNET joint KHRP26A22T9 indoor unit models which can be connected. REFNET header KHRP26M22H9 KHRP26M33H9...
  • Page 8 (3) When installing the unit in a place frequently exposed to snow, (7) Space needed for installation pay special attention to the following: <Precautions when installing units in series> • Install the outdoor unit on a stand (field supply), so that the bottom •...

  • Page 9: Precautions On Installation

    Series installation (up to two units) (Refer to figure 8-[4]) (7)-5 IN CASE OF MULTIPLE-ROW INSTALLATION (FOR ROOF Relation of dimensions of H, A, and L are shown in the table below. TOP USE, ETC.) inch(mm) In case of installing one unit per row (Refer to figure 10-[1]) In case of installing multiple units (2 units or more) in lateral connec- tion per row (Refer to figure 10-[2]) 0 <...

  • Page 10: Field Wiring

    FIELD WIRING 3. Outdoor unit 4. 16V 5. 208/230V CAUTION 6. Indoor unit To the electrician 7. Remote controller • Do not operate until refrigerant piping work is completed. 8. Ground wire (Failure to adhere by this caution may lead to irrepairable compressor damage.) 6-2 How to lay the power supply wiring and trans- mission wiring...

  • Page 11: How To Connect The Power Supply Wiring

    <Precautions when laying power wiring> 6. Transmission wiring • Wiring of different thicknesses cannot be connected to the power ter- 7. (To X2M [TO IN/ D UNIT] (F1, F2)) minal block. 8. Terminal block (X2M) (Slack in the power wiring may cause abnormal heat.) 9.

  • Page 12: Selecting Piping Material

    7-1 Selecting piping material inside of the pipes, adversely affecting valves and compressors in the refrigerating system and preventing normal operation.) CAUTION (Refer to figure 21) 1. Refrigerant pipe Piping and other pressure containing parts shall comply with the 2. Location to be brazed applicable legislation and shall be suitable for refrigerant.

  • Page 13: Heat Insulation Of Piping

    d) The highest temperature that the gas-side piping can reach is around 248°F(120°C), so be sure to use insulating material which Refrigerant oil is very resistant. (The highest temperature that the gas-side piping can reach is around 248°F(120°C), so be sure to use insulating material which is very resistant.) •...

  • Page 14: Example Of Connection

    7-6 Example of connection English...

  • Page 15: Air Tight Test And Vacuum Drying

    7-7 Air tight test and vacuum drying • Since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts, always lock the stop After doing the piping, perform the following inspections. valve with a wrench and then use a torque wrench.

  • Page 16: Additional Refrigerant Charge

    ADDITIONAL REFRIGERANT CHARGE 8-2 Checking the refrigerant tank • Check whether the tank has a siphon pipe before charging and place WARNING the tank so that the refrigerant is charged in liquid form. (See the fig- ure below.) • When leaving the unit with the power on, be sure to switch with another person doing the installation or close Tank with siphon pipe Other tanks...

  • Page 17: 10-2.Temperature Control Operation Checklist

    10-2 Temperature control operation checklist • During the operation, monitor the outdoor unit operation status and check for any incorrect wiring. [Set the master unit (the indoor unit with rights of selection cooling or heating)] 1. Close the outdoor unit’s front panel. Be sure to turn the power on at least Caution <With a wired remote controller>...

  • Page 18: 10-3.Final Charge Adjustment

    10-3 Final charge adjustment [Remote controller displays malfunction code] (Check on a remote controller connected to the indoor unit.) It is not necessary to do this final adjustment normally, but perform the Malfunc- following operation only when the most adequate refrigerant charge for Installation error Remedial action tion code...

  • Page 19: 11-2.Several Comfort Settings Are Available

    • Hi-sensible (cooling) • Mild The refrigerant temperature is set higher (cooling) compared to Overshoot (during heating operation) or undershoot (during cooling basic operation. The focus under high sensible mode is improved operation) is allowed compared to the requested refrigerant tem- comfort for the customer.
  • Page 20 Example: Automatic mode during cooling Example: Automatic mode during cooling 100% 100% 120°F (49°C) 115°F (46°C) 43°F (6°C) 37°F (3°C) 95°F (35°C) 36°F (2°C) A Actual load curve A Virtual load curve (default automatic mode peak capacity) B Virtual load curve (initial capacity automatic mode) B Load curve C Virtual target value (initial evaporation temperature C Virtual target value (initial condensation tempera-...

  • Page 21: Caution For Refrigerant Leaks

    Please consult your Daikin supplier. (outflow of all the refrigerant from the system) Pay a special attention to the place, such as a basement, etc.
  • Page 22 MEMO English...
  • Page 23 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P591321-1B EM19A004A (2001)

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