Daikin RXSQ24TBVJUA Installation Manual
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Daikin RXSQ24TBVJUA Installation Manual

Daikin RXSQ24TBVJUA Installation Manual

Residential vrv system air conditioner
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Residential VRV
MODEL
RXSQ24TBVJUA
RXSQ36TBVJUA
RXSQ48TBVJUA
INSTALLATION MANUAL
System Air Conditioner
Residential VRV System air conditioner
Acondicionador residencial de aire sistema VRV
Installation manual
Manuel d'installation
Climatiseur à système VRV résidentiel
Manual de instalación
English
Français
Español

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Summary of Contents for Daikin RXSQ24TBVJUA

  • Page 1 INSTALLATION MANUAL Residential VRV System Air Conditioner Installation manual MODEL English Residential VRV System air conditioner RXSQ24TBVJUA RXSQ36TBVJUA Manuel d’installation RXSQ48TBVJUA Français Climatiseur à système VRV résidentiel Manual de instalación Español Acondicionador residencial de aire sistema VRV...
  • Page 2 figure 1 figure 2 inch(mm) inch(mm) figure 3 figure 4 40(1000) 40(1000) 40(1000) 40(1000) or more or more or more or more 40(1000) 40(1000) or more or more inch(mm) inch(mm) inch(mm) inch(mm) figure 5 figure 6 L > H L > H L >...
  • Page 3 40(1000) 40(1000) or more or more L > H inch(mm) figure 8 RXSQ48 type inch(mm) inch(mm) figure 9 figure 10 figure 14 13/16 (20) inch(mm) figure 11 figure 12 figure 15 Lock nut Cover Lock nut Cover Conduit 6-5/16 (160) 24-3/8 (620) 6-5/16 (160) Conduit...
  • Page 4 (X2M) (X1M) (X1M) Keep proper distance (X2M) RXSQ24 type RXSQ48 type RXSQ36 type figure 17 TO IN/D UNIT TO OUT/D UNIT F2 F1 F2 F1 F2 F1 F2 F1 F2 figure 18 figure 21 figure 19 figure 20 figure 22 figure 23 figure 24 figure 25...

  • Page 5: Table Of Contents

    Installation manual Residential VRV System air conditioner CONTENTS NOTE .... Indicates situations that may result in equipment or 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: Codes And Regulations

    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 2-3 Standard supplied accessories The indoor units can be installed in the following range. Make sure that the accessories shown below are all present. • Be sure to connect a dedicated indoor unit. See the catalog for (The accessories can be found behind the front panel.) indoor unit models which can be connected.
  • Page 8 • A locations where there is enough space to install the unit. (Refer to figure 4) • Places where the indoor and outdoor unit’s piping and wiring 1. Indoor unit lengths come within the allowable ranges. 2. Fuse/Breaker • A location where there is no risk of flammable gas leaking. 3.

  • Page 9: Precautions On Installation

    2. 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) 1. In case of installing one unit per row (Refer to figure 10-[1]) 2.

  • Page 10: Field Wiring

    6. FIELD WIRING 4. 16V 5. 208/230V 6. Indoor unit CAUTION 7. Remote controller To the electrician 8. Ground wire • Do not operate until refrigerant piping work is completed. 9. Indoor unit (CXTQ**) (Failure to adhere by this caution may lead to irrepairable 10.

  • Page 11: How To Connect The Power Supply Wiring

    <Precautions when laying power wiring> 4. Ground wire (Yellow/Green) • Wiring of different thicknesses cannot be connected to the power termi- 5. Terminal block (X1M) nal block. 6. Transmission wiring (Slack in the power wiring may cause abnormal heat.) 7. (To X2M [TO IN/ D UNIT] (F1, F2)) •...

  • Page 12: Selecting Piping Material

    7-1 Selecting piping material • Be sure to perform a nitrogen blow when brazing. (Brazing without performing nitrogen replacement or releasing nitro- gen into the piping will create large quantities of oxidized film on the CAUTION inside of the pipes, adversely affecting valves and compressors in the Piping and other pressure containing parts shall comply with the refrigerating system and preventing normal operation.) applicable legislation and shall be suitable for refrigerant.

  • Page 13: Heat Insulation Of Piping

    • Insulation is required to all gas pipe. • If a torque wrench is not available, there is a place where the tight- • When the gas pipe diameter is larger than the specified pipe diam- ening torque will suddenly increase if a normal wrench is used to eter, add the amount of refrigerant according to “7-7 Additional tighten the flare nut.

  • Page 14: Example Of Connection

    7-6 Example of connection English...

  • Page 15: Additional Refrigerant Charge Amount

    7-7 Additional refrigerant charge amount English...

  • Page 16: Air Tight Test And Vacuum Drying

    7-8 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 17: Additional Refrigerant Charge

    8. 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 figure • When leaving the unit with the power on, be sure to below.) switch with another person doing the installation or close Tank with siphon pipe...

  • Page 18: 10-2.Temperature Control Operation Checklist

    • During the operation, monitor the outdoor unit operation status and 10-2 Temperature control operation checklist 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 19: 10-3.Final Refrigerant Charge Adjustment

    Check subcooling of outdoor unit at LSV. Systems should have the The stop valve of an outdoor Open the gas-side stop valve and the target subcooling in the table below. unit is left closed. liquid-side stop valve. a. If the subcooling is low, add charge to raise subcooling to the target Check if the additional refrigerant charge value.

  • Page 20: 11-2.Several Comfort Settings Are Available

    Using this idea, the system automatically starts decreasing its refrig- • Mild erant temperature, automatically reducing the delivered capacity Overshoot (during heating operation) or undershoot (during cooling and increasing the system’s efficiency. operation) is allowed compared to the requested refrigerant tem- •...

  • Page 21: 11-4.Setting Of Heat Pump Lockout And Emergency Heat Mode

    11-4 Setting of Heat Pump Lockout and Emergency Heat Mode Heat pump is locked out when the setting below and/or external input to ABC terminal has been made. Setting item display Setting condition display C/H selection MODE TEST Demand Setting item noise Master Slave...
  • Page 22 Heat pump lockout temperature Heat pump would be locked out when the outdoor ambient temperature is smaller than the heat pump lockout temperature. This setting is only effective when heat pump lockout mode has been set. When connecting with multiple G/Fs, should make the following settings. And should make the field setting of indoor.

  • Page 23: 11-5.Setting Of Larger Pipe Connection And No Insulation On Liquid Line

    11-5 Setting of larger pipe connection and no insulation on liquid line When using existing piping, make the following settings. Setting item display Setting condition display C/H selection MODE TEST Demand Setting noise Master Slave item Factory setting Standard pipe connection k h h h h h h Gas side: Standard diameter...
  • Page 24 Example: Automatic mode during cooling Example: Automatic mode during heating 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 25: Caution For Refrigerant Leaks

    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 26 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P591321-9C EM22A012 (2208)

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