00_CV_3P530815-1.fm Page 1 Wednesday, May 9, 2018 9:36 AM INSTALLATION MANUAL SPLIT SYSTEM Air Conditioners MODELS Ceiling-mounted Duct type FBQ18PVJU FBQ24PVJU FBQ30PVJU FBQ36PVJU FBQ42PVJU FBQ48PVJU English Français Español 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.
01_EN_3P530815-1.fm Page 1 Tuesday, July 10, 2018 6:20 PM SPLIT SYSTEM CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. SAFETY CONSIDERATIONS...........................................1 BEFORE INSTALLATION.................................................3 SELECTING INSTALLATION SITE ..................................4 PREPARATIONS BEFORE INSTALLATION....................5 INDOOR UNIT INSTALLATION........................................6 REFRIGERANT PIPING WORK .......................................
01_EN_3P530815-1.fm Page 2 Tuesday, July 10, 2018 6:20 PM • Before touching electrical parts, turn off the unit. • This equipment can be installed with a Ground-Fault Circuit Interrupter (GFCI). Although this is a recognized measure for additional protection, with the grounding system in North America, a dedicated GFCI is not necessary. • When installing or relocating the system, keep the refrigerant circuit free from substances other than the specified refrigerant (R410A) such as air.
01_EN_3P530815-1.fm Page 3 Tuesday, July 10, 2018 6:20 PM 2. BEFORE INSTALLATION • When unpacking the unit or moving the unit after unpacked, be sure to lift it by the four hangers. Avoid putting any pressure on other parts-horizontal flaps, the refrigerant piping, drain piping, and other resin parts. • Be sure to check the type of R410A refrigerant to be used before installing the unit. (Using an incorrect refrigerant will prevent normal operation of the unit.
01_EN_3P530815-1.
01_EN_3P530815-1.fm Page 5 Tuesday, July 10, 2018 6:20 PM CAUTION [unit: in. (mm)] Case 1 *H3=Min. 12 (300) Control box Inspection hatch Ceiling 28 (700) Inspection hatch 1 (17-3/4×17-3/4) (450×450) 24-13/16 (631) (Suspension bolt pitch) (Suspension bolt pitch) Bottom of unit Suspension bolt (× 4) Fig. 2-2 Case 2, 3 Min.
01_EN_3P530815-1.fm Page 6 Tuesday, July 10, 2018 6:20 PM (2) Mount the canvas ducts to the air outlet and inlet so that the vibration of the air conditioner will not be transmitted to the duct or ceiling. Apply a sound-absorbing material (insulation material) to the inner wall of the duct and vibration insulation rubber to the suspension bolts (refer to 8. DUCT WORK). (3) Open installation holes (if the ceiling already exists). • Open the installation holes on the ceiling.
01_EN_3P530815-1.fm Page 7 Tuesday, July 10, 2018 6:20 PM CAUTION • Use the level and check that the unit is installed horizontally. (4-directions) • In the case of using a vinyl tube (filled with water) in place of the level, align the bottom of the unit to the water surface at both edges of the vinyl tube to make levelness adjustment. If the unit is installed at a slant with the drain pipe side set high, in particular, the float switch will not operate normally and water leakage may result.
01_EN_3P530815-1.fm Page 8 Tuesday, July 10, 2018 6:20 PM (2) On completion of installation work, check that there is no gas leakage. (3) Refer to the following illustration and be sure to perform thermal insulation work on the piping joints after gas leakage checks. (Refer to Fig. 6) Thermal insulation procedure for liquid piping CAUTION • Be sure to perform the thermal insulation of the local piping up to the piping joint. If the piping is exposed, dew condensation may result.
01_EN_3P530815-1.fm Page 9 Tuesday, July 10, 2018 6:20 PM • The drain piping will be clogged with water and water leakage may result if the water is accumulated in the drain piping. • Select the diameter of the concentrated drain piping to suit the capacity of equipment connecting to the concentrated drain piping (see Engineering Data). Ceiling slab 12 in. (300 mm) max. • Conduct drain-up piping work if the gradient is insufficient. • Attach a support bracket at 3.3 to 4.9 ft (1 to 1.
01_EN_3P530815-1.fm Page 10 Tuesday, July 10, 2018 6:20 PM The drainage can be checked with the water level change in the drain pan through the water inlet. CAUTION • Do not touch the drain pump. Otherwise, an electric shock may be received. • Do not impose external force on the float switch. Otherwise, a failure may result. 5. On completion of the drainage check, shut off the power supply and disconnect the power supply wiring. 6. Put the control box cover to the original position.
01_EN_3P530815-1.fm Page 11 Tuesday, July 10, 2018 6:20 PM 9. 9-1 ELECTRIC WIRING WORK 9-3 GENERAL INSTRUCTIONS • All field supplied parts and materials and electric works must conform to local codes. • Use copper wire only. • For electric wiring work, refer to also “Wiring diagram” attached to the control box cover. • For remote controller wiring details, refer to the installation manual attached to the remote controller. • All wiring must be performed by an authorized electrician.
01_EN_3P530815-1.fm Page 12 Tuesday, July 10, 2018 6:20 PM (2) Lay the wires in the control box through the wire inlet on the side of the control box.
01_EN_3P530815-1.fm Page 13 Tuesday, July 10, 2018 6:20 PM (4) Put the control box cover, and wrap the wire sealing material (Small) (10) around the conduit so as to block the wire through holes.
01_EN_3P530815-1.fm Page 14 Tuesday, July 10, 2018 6:20 PM [ PRECAUTIONS ] 1. Do not ground the equipment on gas pipes, water pipes or lightning rods, or crossground with telephones. Improper grounding could result in electric shock. 2. The remote controller wiring (P1 and P2) and transmission wiring (F1 and F2) have no polarity. 10-3 CONTROL BY 2 REMOTE CONTROLLERS (Controlling 1 indoor unit by 2 remote controllers) • When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”.
01_EN_3P530815-1.fm Page 15 Tuesday, July 10, 2018 6:20 PM 1. Settings for optional accessories • In case of connecting optional accessories, refer to the installation manual provided with them and make necessary settings. 2. External static pressure settings Make settings in either method (a) or method (b) as explained below. (a) Use the airflow adjustment function to make settings. Automatic airflow adjustment: The volume of discharge air is automatically adjusted to the rated quantity.
01_EN_3P530815-1.fm Page 16 Tuesday, July 10, 2018 6:20 PM 3. Filter sign settings • The remote controller is provided with an LCD that tells the time of air filter cleaning. • If the air conditioner is used in places with excessive dust, change the “SECOND CODE NO.” as shown in Table 4. The “SECOND CODE NO.” is set to 01 (standard) at factory set. Table 4 Dirt Time for display Standard Approximately 2500 hours Excessive dust Approximately 1250 hours Mode No. No display (*) FIRST CODE NO.
00_CV_3P530815-1.