Daikin FXLQ20P2VEB Installation And Operation Manual
Daikin FXLQ20P2VEB Installation And Operation Manual

Daikin FXLQ20P2VEB Installation And Operation Manual

Daikin vrv system air conditioners
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INSTALLATION AND
OPERATION MANUAL
System air conditioners
FXLQ20P2VEB
FXLQ25P2VEB
FXLQ32P2VEB
FXLQ40P2VEB
FXLQ50P2VEB
FXLQ63P2VEB
FXNQ20P2VEB
FXNQ25P2VEB
FXNQ32P2VEB
FXNQ40P2VEB
FXNQ50P2VEB
FXNQ63P2VEB

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Summary of Contents for Daikin FXLQ20P2VEB

  • Page 1 INSTALLATION AND OPERATION MANUAL System air conditioners FXLQ20P2VEB FXLQ25P2VEB FXLQ32P2VEB FXLQ40P2VEB FXLQ50P2VEB FXLQ63P2VEB FXNQ20P2VEB FXNQ25P2VEB FXNQ32P2VEB FXNQ40P2VEB FXNQ50P2VEB FXNQ63P2VEB...
  • Page 2 Control box IN/D OUT/D Control box IN/D OUT/D Control box IN/D OUT/D Control box Control box IN/D OUT/D IN/D OUT/D...
  • Page 3 3P323721-1...
  • Page 4: Table Of Contents

    Places with mineral oil, or filled with oil vapour or spray like in TO USE ACCESSORIES AND SPARE PARTS MADE BY kitchens. (Plastic parts may deteriorate.) DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR Where corrosive gas like sulphurous gas exists. (Copper USE WITH THE EQUIPMENT AND HAVE THEM tubing and brazed spots may corrode.)
  • Page 5: Important Information Regarding The Refrigerant Used

    Important information regarding the Accessories refrigerant used Check if the following accessories are included with your unit. This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Refrigerant type: R410A value: 1975 GWP = global warming potential Metal clamp Insulation for liquid pipe Periodical inspections for refrigerant leaks may be required Drain hose...
  • Page 6 Install the unit according to the figures below. Unit of measurement = mm For FXLQ units only For FXNQ units only 100≤ ≤200 ≥100 ≥150 ≥100 ≥100 Model Front side 20+25 32+40 50+63 Air inlet direction Width of air inlet Air outlet direction Width of maintenance area 1030...
  • Page 7: Indoor Unit Installation

    Indoor unit installation Wallmounted installation As for the parts to be used for installation work, be sure to use the Check whether the wall is strong enough to bear the  provided accessories and specified parts designated by our weight of the unit. If there is a risk, reinforce the wall company.
  • Page 8: Refrigerant Piping Work

    Use copper alloy seamless pipes (ISO 1337).  The outdoor unit is charged with refrigerant.  To prevent water leakage, execute heat insulation work  completely on both sides of the gas and liquid piping. When using a heat pump, the temperature of the gas piping can reach up to approximately 120°C.
  • Page 9: Drain Piping Work

    Drain piping work Cautions for brazing Be sure to carry out a nitrogen blow when brazing.  Rig the drain pipe as shown below. Improperly rigged piping could Brazing without carrying out nitrogen replacement or releasing lead to leaks and eventually wet furniture and belongings. nitrogen into the piping will create large quantities of oxidized film on the inside of the pipes, adversely affecting valves and Carry out the drain piping...
  • Page 10: Electric Wiring Work

    Electric wiring work Precautions Observe the notes mentioned below when wiring to the power supply terminal board. General instructions Use a round crimp-style terminal for insulation sleeve for connection to the terminal block for wiring the units. When DANGER: ELECTRICAL SHOCK none are available, follow the instructions below.
  • Page 11: How To Install The Remote Controller And Wiring Inside The Unit

    Electrical characteristics Wiring installation Remove the control box cover and connect the wiring. Power supply Fan motor Voltage Model Volts range 0.015 0.015 0.025 50/60 220-240/220 ±10% 0.025 0.035 0.035 MCA: Minimum Circuit Amps (A) MFA: Maximum Fuse Amps (A) FLA: Full Load Amps (A) NOTE For details, refer to "Electrical data"...
  • Page 12: Wiring Examples

    Wiring examples Field setting Fit the power supply wiring of each unit with a switch and fuse as Field setting must be made on the remote controller in function of the shown in figure installation condition. Setting can be made by changing the "Mode number", "First ...
  • Page 13: Test Operation

    Test operation How to clean the air filter Refer to the installation manual of the outdoor unit. Clean the air filter when the display shows " " (TIME TO CLEAN AIR FILTER). The operation lamp of the remote controller will flash when an error occurs.
  • Page 14: Disposal Requirements

    How to clean air outlet and outside panels Start up after a long stop Clean with soft cloth. Confirm the following:  When it is difficult to remove stains, use water or neutral Check that the air inlet and outlet are not blocked. Remove any ...
  • Page 15: Wiring Diagram

    Wiring diagram : TERMINAL BLOCK : BLACK : PINK : CONNECTOR : BLUE : RED : TERMINAL : BROWN : WHITE : FIELD WIRING : ORANGE : YELLOW : PROTECTIVE EARTH (SCREW) : LIVE : NEUTRAL A1P....PRINTED CIRCUIT BOARD T1R....TRANSFORMER (220-240 V/22 V) C1 ....
  • Page 16 4P323720-1 2012.06...

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