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SYSTEM Inverter Air Conditioners
MODELS
Ceiling-mounted Duct type
FXMQ15TBVJU FXMQ36TBVJU
FXMQ18TBVJU FXMQ48TBVJU
FXMQ24TBVJU FXMQ54TBVJU
FXMQ30TBVJU
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.
Lire soigneusement ces instructions avant l'installation.
Conserver ce manuel à portée de main pour référence ultérieure.
Ce manuel doit être donné au propriétaire de l'équipement.
Lea cuidadosamente estas instrucciones antes de instalar.
Guarde este manual en un lugar a mano para leer en caso de tener alguna duda.
Este manual debe permanecer con el propietario del equipo.
INSTALLATION MANUAL
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Summary of Contents for Daikin FXMQ15TBVJU
- Page 1 INSTALLATION MANUAL SYSTEM Inverter Air Conditioners MODELS Ceiling-mounted Duct type FXMQ15TBVJU FXMQ36TBVJU FXMQ18TBVJU FXMQ48TBVJU English FXMQ24TBVJU FXMQ54TBVJU FXMQ30TBVJU Français 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.
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Page 2: Table Of Contents
CONTENTS DANGER • Refrigerant gas is heavier than air and replaces oxygen. 1. SAFETY CONSIDERATIONS ........1 A massive leak can lead to oxygen depletion, especially 2. BEFORE INSTALLATION ..........3 in basements, and an asphyxiation hazard could occur leading to serious injury or death. 3. - Page 3 Daikin are used, fire or explosion may occur. (b) Where corrosive gas, such as sulfurous acid gas, is • Do not install in a wet room such as a bathroom or laundry produced.
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Page 4: Before Installation
2. BEFORE INSTALLATION Joint insulating (6) Sealing (7) Sealing Name (8) Clamp material material material When unpacking the indoor unit or moving the unit after unpacked, hold the hanger brackets (4 locations) and do Quantity 1 each 1 sheet 2 sheets 8 pcs. -
Page 5: Selection Of Installation Location
Points of the operation explanation Check Items to be checked In case of defective column In addition to the general usage, since the items in the Is the insulation of refriger- operation manual with the WARNING and ant piping and drain piping Water leakage CAUTION marks are likely to result in human bodily completely carried out? -
Page 6: Preparation Before Installation
4. PREPARATION BEFORE INSTALLATION [ Required installation space [in. (mm)] ] Figures indicate the minimum required installation space. (1) Check the relation of location between the ceiling opening and the indoor unit suspension bolts. • Provide one of the following service spaces for the maintenance and inspection of the control box and drain pump or for other services. - Page 7 (5) Install the suspension bolts. Control box • Use either a M8-M10 size bolt or equivalent. Use hole-in-anchors for the existing bolts and embed- ded inserts or foundation bolts for new bolts, and fix the Ceiling indoor unit firmly to the building so that it may withstand the weight of the unit.
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Page 8: Installation Of Indoor Unit
<05-48 type> [ Washer fixing ] Suction flange Upper nut Washer clamp (9) (Accessory) Washer for Insert hanger bracket (11) (Accessory) Replacement Chamber cover Fig. 7 <54 type> • Keep the discharge covered with a protective sheet to pre- Suction flange vent weld spatter and other foreign materials from entering the indoor unit and damaging the resin drain pan. -
Page 9: Refrigerant Piping Work
6. REFRIGERANT PIPING WORK Table 2 Piping Tightening Dimension for • For the outdoor unit refrigerant piping, refer to the installa- Flare shape size torque processing flare [in. (mm)] tion manual attached to the outdoor unit. [in. (mm)] [lbf·ft. (N·m)] A [in. - Page 10 • After leak test, referring to Fig. 11, insulate both the • Before brazing refrigerant piping, have nitrogen flow gas and liquid piping connection with the attached joint through the refrigerant piping and substitute air with insulating material (4) and (5) to prevent the pipings from nitrogen (NOTE 1) (Refer to Fig.
- Page 11 7. DRAIN PIPING WORK • Wrap the vinyl tape around the end of the metal clamp (1) so that the sealing material (Large) (6) to be used at (1) Carry out drain piping. the next process may not be damaged with the clamp Carry out drain piping so that drainage is ensured.
- Page 12 < Caution to be taken when carrying out upward CAUTION drain piping (Refer to Fig. 16) > • To avoid the attached drain hose (2) getting excessive • The maximum height of the drain riser is 26-9/16 in. force, do not bend nor twist it. (675 mm).
- Page 13 (2) After piping is finished, check if the drain flows • Do not apply external force to the float switch. (It smoothly. may result in malfunction) • Do not touch the drain pump. [When the electric wiring work is finished] Touching the drain pump may cause electric shock.
- Page 14 8. DUCT WORK 9. ELECTRIC WIRING WORK Pay the utmost attention to the following items and con- 9-1 GENERAL INSTRUCTIONS duct the duct work. • Make certain that all electric wiring work is carried out by • Check that the duct is not in excess of the setting range of qualified personnel according to the applicable legislation external static pressure for the unit.
- Page 15 Voltage Model Volts MCA MOP Wiring range Insulation sleeve 0.31 FXMQ15TBVJU (230) Ring type crimp 0.31 FXMQ18TBVJU style terminals (230) Fig. 21 0.31 FXMQ24TBVJU (230) • Connect the terminal as shown in Fig. 22.
- Page 16 Hook WARNING Conduit mounting • When wiring, form the wirings orderly so that the control plate (12) box cover can be securely fastened. If the control box cover Screws (2 locations) is not in place, the wirings may come out or be sandwiched by the box and the cover and cause electric shock or fire.
- Page 17 (5) Mount the control box cover and wrap the wire seal- < No. 2 system: When carrying out group control or 2 ing material (small) (10) so that the wiring through remote controller control. > hole will be covered by the sealing material. Power supply Power supply Power supply...
- Page 18 9-6 FOR CONTROL WITH 2 REMOTE CONTROL- 9-8 FOR REMOTE CONTROL (FORCE OFF OR ON / LERS (TO CONTROL 1 INDOOR UNIT WITH 2 OFF OPERATION) REMOTE CONTROLLERS) (1) Wiring method and specification • Remote control is available by connecting the external •...
- Page 19 10-1 Settings for external static pressure CAUTION • Make settings in either method (a) or method (b). • If airflow pathway changes, such as duct and discharge (a) Make settings with Air volume automatic adjust- changes, are made after air volume adjustments, be sure to ment function.
- Page 20 11. TEST OPERATION Table 9 Mode FIRST SECOND • After cleaning the indoor unit inside, carry out test operation Setting CODE No. CODE No. according to installation manual attached to the outdoor Fan speed during unit. (Extra low) cooling 12 (22) •...
- Page 21 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P493125-6E EM21A039A [2209] HT...
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