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Table of Contents
- 1 Table of Contents
- 2 Safety Precautions
- 3 Before Installation
- 4 Selecting Installation Site
- 5 Preparations before Installation
- 6 Indoor Unit Installation
- 7 Refrigerant Piping Work
- 8 Drain Piping Work
- 9 Installing the Duct
- 10 Electric Wiring Work
- 11 Wiring Example
- 12 Field Setting and Test Run
- 13 Wiring Diagram
- Download this manual
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Table of Contents
Related Manuals for Daikin FXDQ20A3VEB
Summary of Contents for Daikin FXDQ20A3VEB
- Page 1 INSTALLATION MANUAL System Inverter Air Conditioners FXDQ15A3VEB FXDQ20A3VEB FXDQ25A3VEB FXDQ32A3VEB FXDQ40A3VEB FXDQ50A3VEB FXDQ63A3VEB...
- Page 2 3P481419-1...
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Page 3: Table Of Contents
VRV SYSTEM Inverter Air Conditioners Installation manual A foundation of insufficient strength may result in the equip- CONTENTS ment falling and causing injury. 1. SAFETY PRECAUTIONS..........1 • Carry out the specified installation work after taking into 2. BEFORE INSTALLATION..........2 account strong winds, typhoons or earthquakes. -
Page 4: Before Installation
• Do not install the air conditioner in the following locations: 2-2 ACCESSORIES Where there is a high concentration of mineral oil spray Check the following accessories are included with your unit. or vapour (e.g. a kitchen). Metal Drain Insulation Plastic parts will deteriorate, parts may fall off and water Sealing pad Name... -
Page 5: Selecting Installation Site
Is something blocking the air It may result in insufficient outlet or inlet of either the cooling. indoor or outdoor units? Are refrigerant piping length *300 The refrigerant charge in the and additional refrigerant 300 or system is not clear. more charge noted down? more... -
Page 6: Preparations Before Installation
PREPARATIONS BEFORE INSTALLATION (3) Open the installation hole. (Pre-set ceilings) • Once the installation hole is opened in the ceiling where (1) Confirm the positional relationship between the unit the unit is to be installed, pass refrigerant piping, drain and suspension bolts. (Refer to Fig. 2) piping, transmission wiring, and remote controller wiring •... -
Page 7: Indoor Unit Installation
Main unit Attach the filter to the Force main unit while pushing down on the bends. Filter Level Force Vinyl tube (4) Tighten the upper nut. REFRIGERANT PIPING WORK For refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit. Execute heat insulation work completely on both sides of the gas piping and the liquid piping. - Page 8 • Refer to Table 1 for tightening torque. CAUTION Table 1 Be sure to insulate any field piping all the way to the piping connection inside the unit. Any exposed piping may cause Pipe Flare dimen- Tightening torque Flare shape condensation or burns if touched.
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Page 9: Drain Piping Work
DRAIN PIPING WORK Large sealing pad (5) Metal clamp (1) CAUTION (accessory) (accessory) • Make sure all water is out before making the duct connection. Metal clamp (1) (accessory) (1) Install the drain piping. Tape Drain hose (2) ≤4mm (accessory) Drain socket Fig. -
Page 10: Installing The Duct
INSTALLING THE DUCT 1. Remove the control box lid. Connect the remote controller and power supply (single-phase, 50 Hz 220-240 V or sin- Connect the duct supplied in the field. gle-phase, 60Hz 220V) respectively to the terminal block Air inlet side and securely connect the earth also (as shown in the figure •... -
Page 11: Electric Wiring Work
ELECTRIC WIRING WORK • The length of the transmission wiring and remote controller wiring are as follows. 9-1 GENERAL INSTRUCTIONS Length of the transmission wiring and remote controller wiring • Shut off the power before doing any work. Max. 1000m Outdoor unit –... -
Page 12: Wiring Example
10. WIRING EXAMPLE CAUTION 10-1 HOW TO CONNECT WIRINGS • Be sure to attach power supply wiring and earth wire to the control box with the clamp. • Wire only after removing the control box lid as shown in • When doing the wiring, make sure the wiring is neat and Fig. - Page 13 • Remote controller and transmission wiring [ WIRING EXAMPLE ] Pull the wires into the unit through the wiring through hole No. 1 system When using 1 remote controller for and connect to the terminal block (6P). 1 indoor unit Be sure to put the part of the sheathed vinyl into the control Power supply Power supply...
- Page 14 No. 3 system When including BS unit (4) Add remote controller 2 (SUB) to the terminal block for remote controller (P ) in the control box. Power supply single phase (There is no polarity.) 50Hz 220-240V or single phase REMOTE TRANSMISSION FORCED CONTRL...
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Page 15: Field Setting And Test Run
11. FIELD SETTING AND TEST RUN • Explain it to the customer that the filter needs to be cleaned regularly to prevent clogging and also the time that is set. Field settings may have to be performed using the SECOND remote controller, depending on the type of installation.... -
Page 16: Wiring Diagram
12. WIRING DIAGRAM Unified Wiring Diagram Legend For applied parts and numbering refer to the wiring diagram sticker supplied on the unit. Part numbering is realized by Arabic numbers in ascending order for each part and is represented in the overview below by symbol “*” in the part code. CIRCUIT BREAKER CIRCUIT BREAKER PROTECTIVE EARTH... - Page 18 4P325876-1F 2017.02...