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Daikin R410A Installation Manual

Daikin room air conditioner.
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MODELS
FDXS09LVJU
FDXS12LVJU
CDXS15LVJU
CDXS18LVJU
CDXS24LVJU
DAIKIN ROOM AIR CONDITIONER
R410A Split Series
Installation manual
Manuel dinstallation
Manuel dinstallation
Manual de instalaciĆ³n

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   Summary of Contents for Daikin R410A

  • Page 1: Installation Manual

    DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R410A Split Series Installation manual Manuel dinstallation Manuel dinstallation Manual de instalación MODELS FDXS09LVJU FDXS12LVJU CDXS15LVJU CDXS18LVJU CDXS24LVJU...

  • Page 2: Safety Precautions

    Safety Precautions • Read these Safety Precautions carefully to ensure correct installation. • This manual classifies the precautions into DANGER, WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. DANGER ..Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING ..Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury.

  • Page 3

    Safety Precautions WARNING • After connecting all wiring be sure to shape the cables so that they do not put undue stress on the electrical covers, panels or terminals. Install covers over the wires. Incomplete cover installation may cause terminal overheating, electrical shock, fire or equipment damage. • When installing or relocating the system, be sure to keep the refrigerant circuit free from all substances other than the specified refrigerant (R410A), such as air. (Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise which may result in rupture, resulting in injury.) • During pump-down, stop the compressor before removing the refrigerant piping. If the compressor is still running and the shut-off valve is open during pump-down, air will be sucked in when the refrigerant piping is removed, causing abnormally high pressure which could lead to equipment damage or and personal injury. • During installation, attach the refrigerant piping securely before running the compressor. If the refrigerant pipes are not attached and the shut-off valve is open when the compressor is run, air will be sucked in, causing abnormal pressure in the refrigeration cycle, which may result in equipment damage and even injury. • Install a leak circuit breaker, as required. If a leak circuit breaker is not installed, electric shock may result. • Be sure to install a ground fault circuit interrupter breaker. Failure to install a ground fault circuit interrupter breaker may result in electrically shocks or personal injury. CAUTION • Establish drain piping according to the instructions of this manual. Inadequate piping may cause water damage. • Note for installing the outdoor unit. (For heat pump model only.) In regions of the country where the outside temperature is at or below the freezing point, the drain may freeze. If so, it is recommended that an electric heater be installed in order to protect the drain from freezing. • Tighten the flare nut according to the specified torque. A torque wrench should be used. If the flare nut is tightened too much, the flare nut may crack over time and cause refrigerant leakage. • Do not touch the heat exchanger fins. Improper handling may result in injury. • Be very careful about product transportation. Some products use PP bands for packaging. Do not use any PP bands for a means of transportation. It is dangerous. Accessories Washer for Insulation Washer Screws for Clamp...

  • Page 4: Choosing An Installation Site, Indoor Unit

    Choosing an Installation Site • Before choosing the installation site, obtain user approval. Indoor unit CAUTION • When moving the unit during or after unpacking, make sure to lift it by holding its lifting lugs. Do not exert any pressure on other parts, especially the refrigerant piping, drain piping and flange parts. Wear protective gear (such as gloves) when installing the unit. • If you think the humidity inside the ceiling might exceed 86°F (30°C) and RH80%, reinforce the insulation on the unit body. Use glass wool or polyethylene foam as insulation so that the thickness is more than 0.4in (10mm) and fits inside the ceiling opening. • Optimum air distribution is ensured. • The air passage is not blocked. • Condensate can drain properly. • The ceiling is strong enough to bear the weight of the indoor unit. 12 (300) or more • A false ceiling does not seem to be at an incline. • Sufficient clearance for maintenance and servicing is ensured. Control box Maintenance space • Piping between the indoor and outdoor units is within the allowable limits. (Refer to the installation manual for the outdoor unit.) • The indoor unit, outdoor unit, power supply wiring and transmission wiring is at least 3.3ft (1m) away from televisions and radios. This prevents image interfer- ence and noise in electrical appliances. (Noise may be generated depending 13/16 (20) or more on the conditions under which the electric wave is generated, even if a 3.3ft Ceiling (1m) allowance is maintained.) ■...

  • Page 5: Wireless Remote Controller, Outdoor Unit, Preparations Before Installation

    Choosing an Installation Site Wireless remote controller • Turn on all the fluorescent lamps in the room, if any, and find the site where remote controller signals are properly received by the indoor unit (within 13ft (4m)). Outdoor unit • For outdoor unit installation, see the installation manual supplied with the outdoor unit. Preparations before Installation ■ Relation of the unit to the suspension bolt positions. 24-7/16 (620) • Install the inspection opening on the control box side where 19-11/16 (500) maintenance and inspection of the control box are easy. Install the inspection opening also in the lower part of the unit. (unit : in (mm)) Suspension bolt pitch Ceiling ■...

  • Page 6

    (3) Attach sealing pad as shown in the right Sealing pad (Small) Sealing pad (Small) figure. (Stored in outlet vent) (only for (accessory) (accessory) CDXS) Air inlet (In order to take in the air inside the ceiling, and when not taking in air from outdoor air, it is not necessary to stick.) • Attach the sealing pad (accessory) to the plate metal sections which are not Air inlet covered by anti-sweat material. Sealing pad Air outlet Air outlet • Make sure there are no gaps between Sealing pad (Large) (Large) (accessory) (accessory) the different pieces of sealing pad. Anti-sweat material Anti-sweat material included with the product included with the product For rear intake type For bottom intake type...

  • Page 7: Outdoor Unit Installation

    Indoor Unit Installation << As for the parts to be used for installation work, be sure to use the provided accessories and specified parts designated by our company. >> ■ Install the indoor unit temporarily. [ Securing the hanger bracket ] [ How to secure washers ] • Attach the hanger bracket to the suspension bolt.

  • Page 8: Refrigerant Piping Work, Refrigerant Piping

    1) Cut the pipe end with a pipe cutter. (Cut exactly at right angles.) Remove burrs 2) Remove burrs with the cut surface facing down- Flaring ward so that the chips do not enter the pipe. Set exactly at the position shown below. 3) Put the flare nut on the pipe. Flare tool for R410A Conventional flare tool 4) Flare the pipe. Clutch-type Clutch-type (Rigid-type) Wing-nut type (Imperial-type) 5) Check that the flaring is properly made. 0-0.02in (0-0.5mm) 0.04-0.06in (1.0-1.5mm) 0.06-0.08in (1.5-2.0mm)

  • Page 9: Drain Piping Work

    Refrigerant Piping Work CAUTION Be sure to insulate any field piping all the way to the piping connection inside the unit. Any exposed piping may cause condensa- tion or burns if touched. Cautions on Pipe Handling Wall Be sure to • Protect the open end of the pipe against dust and moisture. place a cap. (Tighten both edges with clamp.) Rain If no flare cap is • All pipe bends should be as gentle as possible. Use a pipe bender for bending. available, cover the flare mouth (See the minimum bend radius in the table below.) with tape to keep dirt or water out. Selection of Copper and Heat Insulation materials When using commercial copper pipes and fittings, observe the following: • Insulation material: Polyethylene foam...

  • Page 10: Installing The Duct

    CAUTION • Water accumulating in the drain piping can cause the drain to clog. • To keep the drain tube from sagging, space hanging wires every 3 (1) to 5ft (1.5m). • Use the drain hose and the metal clamp. Insert the drain hose fully into the drain socket and firmly tighten the metal clamp with the upper part of the tape on the hose end. Tighten the metal clamp until the screw head is less than 1/8 inch (4mm) from the hose. • The two areas below should be insulated because condensation may form there causing water to leak. • Drain piping passing indoors • Drain sockets Large sealing pad Clamp metal Referring the figure below, insulate the (accessory) (accessory) metal clamp and drain hose using the Clamp metal included large sealing pad. (accessory) Tape Drain hose 1/8 inch (4mm) ϕ (accessory) <PRECAUTIONS>...

  • Page 11

    Installing the Duct Outlet side • Connect the duct according to the inside of the outlet-side flange. • Wrap the outlet-side flange and the duct connection area with aluminum tape or something similar to prevent air escaping. Flange (field supply) Insulation material Main unit Flange Connection screw (field supply) (accessory) Aluminum tape (field supply) Aluminum tape (field supply) Air inlet side Outlet side CAUTION • Be sure to insulate the duct to prevent condensation from forming. (Material: glass wool or polyethylene foam, 1 inch (25mm) thick) • Use electric insulation between the duct and the wall when using metal ducts to pass metal laths of the net or fence shape or metal plating into wooden buildings. Wiring See the installation manual supplied with the outdoor unit. ■...

  • Page 12: Connecting Electrical Wiring

    CAUTION • When doing the wiring, make sure the wiring is neat and does not cause the control box cover to stick up, then close the cover firmly. When attaching the control box cover, make sure you do not pinch any wires. • Outside the unit, separate the low voltage wiring (remote controller wiring) and high voltage wiring (ground wire and power supply wiring) at least 5in so that they do not pass through the same place together. Proximity may cause electrical interfer- ence, malfunctions, and breakage. [ PRECAUTION ] • See also the “Electrical Wiring Diagram Label” when wiring the unit for power supply. [ Connecting electrical wiring ] • Power supply wiring and ground wire Clamp (for fixing in place) Remove the control box cover. Terminal block (4P) (accessory) Next, pull the wires into the unit through the conduit and thread them through the insulation tube (accessory), then connect to the power Insulation tube (accessory) wiring terminal block (4P). Secure the wires covered by the insulation tube with the clamp (accessory). Indoor PC board (ASSY) Be sure to put the part of the sheathed vinyl into the control box.

  • Page 13

    Trial Operation and Testing Trial operation and testing (1) Measure the supply voltage and make sure that it falls in the specified range. (2) Trial operation should be carried out in either cooling or heating mode. Trial operation from remote controller (1) Press ON/OFF button to turn on the system. (2) Simultaneously press center of TEMP button and MODE button. (3) Press MODE button twice. (“ ”...

  • Page 14

    Two-dimensional bar code is a code for manufacturing. 3P297301-3C M11B121B (1210) HT...

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