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INSTALLATION AND OPERATION MANUAL
– DC INVERTER Air Conditioner –
for Refrigerant R410A
R410A Models
Indoor Units
SPW-UMR124EH56
SPW-UMR164EH56
SPW-UMR184EH56
Outdoor Units
DC Inverter Main Unit SPW-CR254GVH56-C, SPW-CR364GVH56-C, SPW-CR484GVH56-C
C
Constant Speed (Sub) Unit SPW-CR254GV56-C, SPW-CR364GV56-C, SPW-CR484GV56-C
* Refrigerant R410A is used in the outdoor units.
Optional Controllers
Remote Controller RCS-SH80AG
RC Wireless Remote Controller RCS-BH80AG.WL
Simplified Remote Controlle
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IMPORTANT! Please Read Before Starting When Installing… …In a Room This air conditioning system meets strict safety and operat- ing standards. As the installer or service person, it is an Properly insulate any tubing run inside a room to prevent important part of your job to install or service the system so it “sweating” that can cause dripping and water damage to operates safely and efficiently. walls and floors. …In Moist or Uneven Locations For safe installation and trouble-free operation,
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2. The standards for minimum room volume are as Check of Density Limit follows. The room in which the air conditioner is to be (1) No partition (shaded portion) installed requires a design that in the event of refrigerant gas leaking out, its density will not exceed a set limit. The refrigerant (R410A), which is used in the air condi- tioner, is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws imposed to pro- tect the ozone layer. However, since it contains
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CONTENTS Page Page IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . .8 4-1. General Precautions on Wiring Please Read Before Starting 4-2. Recommended Wire Length and Wire Diame- Check of Density Limit ter for Power Supply System 4-3. Wiring System Diagrams 1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5. HOW TO PROCESS TUBING . . . . . . . . . . . . . .12 1-1. Tools Required for Insta
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2. HOW TO INSTALL THE UNIT Minimum operation and maintenance area. (fig. 2-1) AB 7/9/12 1500 1100 16/18/22 1700 1100 Fig. 2-2 Fig. 2-1 Find the space for the installation of the return air grille and mark the opening to do. Cut the falseceiling. (fig. 2-2) Use rawl plug suitable to the ceiling consistence and four M10 threaded bars of suitable length (not supplied). (fig. 2- 3) Mark on the ceiling the holes for the hanging rods, verify the distance of the centres. The value included in the brack
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Outlet conduct On the front and rear side of the unit a rectangular port (with flange) helps during duct mounting. (fig. 2-10) Rear and front flange for the air intake. The value included Intake coduct in the brackets is referred to the model X18. (fig. 2-11) Discarge air duct (optional accessory). Contact the After Sale Service. (fig. 2-12) Remove the filter and pour, inside the condensate drain pan, 0.5 liter of water. Start the unit checking for proper drain pump operation. (fig. 2-13) False
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3. TEST OF THE SYSTEM AND CONTROL OF THE AIR VOLUME TO THE OUTLET GRILLES The unit is prearranged to supply an external static pressure of about 5 mm. Too high resistances in the air distribution system can cause an exceedingly small air volume to the outlet grilles. This trouble can be solved by increasing the fan speed as follows: Open the cover of the electrical junction box. Take out the booster cable clamped in the box. (fig. 3-1) Disconnect the fan motor plug in the electrical box and inse
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4. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit (7) Regulations on wire diameters differ from locality as shown on its nameplate, then carry out the to locality. For field wiring rules, please refer to wiring closely following the wiring diagram. your LOCAL ELECTRICAL CODES before begin- ning. (2) Provide a power outlet to be used exclusively for each unit, and a power supply disconnect and cir- You must ensure that installati
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4-3. Wiring System Diagrams Indoor unit (No. 1) L Outdoor unit Power supply 1 N INV unit 2 220-240V 50Hz A Power supply L C L 200-240V 50Hz Ground B N U1 N Remote U2 controller D Ground R1 WHT 1 1 1 BLK 2 2 R2 Ground 2 C Indoor unit (No. 2) L Power supply 1 N 220-240V 50Hz 2 Ground B U1 U2 R1 R2 Ground C Indoor Group control: unit (No. 3) L Power supply 1 N 220-240V 50Hz 2 Ground B U1 E U2 R1 R2 Ground C Indoor unit (No. n) L Power supply 1 N 220-240V 50Hz 2 Ground B U1 U2 R1
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CAUTION (1) When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug (CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) Otherwise the communication of S-net link system is not performed. For a system without link (no con- nection wiring between outdoor units), do not remove the short plug. (2) Do not install the inter-
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(5) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, other- wise misoperation from noise may occur. (Fig. 4-4) Connect wiring as shown in Section “4-3. Shielded wire Wiring System Diagrams.” Ground Ground Loose wiring may cause the terminal to overheat or WARNING result in unit malfunction. Fig. 4-4 A fire hazard may also exist. Therefore, ensure that all wiring is tightly connected. When connecting each power wire to the terminal, fol- low the instructi
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Deburring 5. HOW TO PROCESS TUBING Before After The narrow tubing side is connected by a flare nut, and the wide tubing side is connected by brazing. 5-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units. In this method, the copper tubes are flared at each end and connected with flare nuts. Fig. 5-1 Flaring Procedure with a Flare Tool (1
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Caution Before Connecting Tubes Tightly (1) Apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used. Apply refrigerant lubricant here and here (2) Be sure to apply refrigerant lubricant to the match- ing surfaces of the flare and union before connect- Fig. 5-4 ing them together. This is effective for reducing gas leaks. (Fig. 5-4) (3) For proper connection, align the union tube and flare tube straight with each other, then screw in the flare
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Do not use a spanner to tighten the valve stem Packed valve Charging port caps. Doing so may damage the valves. Depending on the installation conditions, applying excessive torque may cause the nuts to crack. Valve stem Precautions for Packed Valve Operation If the packed valve is left for a long time with the valve stem cap removed, refrigerant will leak from the valve. Therefore, do not leave the valve stem Main valve cap removed. Valve stem cap Use a torque wrench to securely tighten
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5-4. Taping the Tubes (1) At this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped together with armoring tape in 1 bundle. To pre- vent the condensation from overflowing the drain pan, keep the drain hose separate from the refrigerant tubing. Clamp (2) Wrap the armoring tape from the bottom of the Drain hose Insulated tubes outdoor unit to the top of the tubing where it enters the wall. As you wrap the tubing, overlap half of each previous tape turn. (3
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04-235 AirCon_X-type 9/3/04 11:40 AM Page 19 6. APPENDIX Name of Parts (Indoor Unit) Air outlet Water drain Air filter Care and Cleaning 1. For safety, be sure to turn the air conditioner off and also to disconnect the power before WARNING cleaning. 2. Do not pour water on the indoor unit to clean it. This will damage the internal compo- nents and cause an electric shock hazard. Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush
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04-235 AirCon_X-type 9/3/04 11:40 AM Page 20 1. Certain metal edges and the condenser fins are sharp and may cause injury if handled CAUTION improperly; special care should be taken when you clean these parts. 2. Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot. 3. The internal coil and other components of the outdoor unit must also be cleaned periodi- cally. Consult your dealer or service center. Care: After a prolonged idle period Check
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04-235 AirCon_X-type 9/3/04 11:40 AM Page 21 Nom des pièces (unité intérieure) Sortie díair Drain Filtre à air Entretien et nettoyage 1. Pour toute sécurité, éteignez le climatiseur et débranchez-le de la prise secteur. AVERTISSEMENT 2. Ne versez pas d’eau sur l’unité intérieure pour la nettoyer. Cela pourrait abîmer les com- posants internes et provoquer des décharges électriques. L’arrivée d’air et la sortie d’air Nettoyez l’arrivée d’air et la sortie de l’unité intérieure avec la br
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04-235 AirCon_X-type 9/3/04 11:40 AM Page 22 1. Certains bords métalliques et les ailettes du condensateur étant coupants, ils doivent être ATTENTION manipulés avec précaution lors du nettoyage sous peine de provoquer des blessures. 2. Vérifiez régulièrement que la sortie et l’arrivée d’air ne soient pas obstruées par de la poussière ou de la suie. 3. La bobine interne et les autres composants de l’unité extérieure doivent être nettoyés régulièrement. Consultez le concessionnaire ou un servic
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04-235 AirCon_X-type 9/3/04 11:40 AM Page 23 Guide de dépannage Si le climatiseur ne fonctionne pas correctement, effectuez les vérifications suivantes avant de faire appel à un réparateur. Si le problème persiste, prenez contact avec votre concessionnaire ou avec un service après-vente. Panne Cause possible Remède Le climatiseur ne fonctionne pas du 1. Coupure de courant. 1. Après une panne de courant, tout. appuyez sur le bouton de marche/ arrêt de fonctionnement de la télécommande avec
