User manual TOSHIBA RAV-453UHE SERVICE MANUAL

[. . . ] Pour installer l'unit extrieure, reportez-vous au Manuel d'installation fourni avec l'unit extrieure. Bitte lesen Sie dieses Handbuch sorgfltig, bevor Sie mit der Installation des Klimagertes beginnen. In diesem Handbuch wird die Installation der Raumeinheit beschrieben. Um die Aueneinheit zu installieren, folgen Sie den Anweisungen in dem Handbuch, das der Aueneinheit beiliegt. [. . . ] Push in the plug of which end is not sharp up to the end. Drain pan Confirm that soft hose is pushed in up to the end of the drain pan. Pulg 10 4 Right REFRIGERANT PIPING AND EVACUATING Flaring diam. of copper pipe R410A 6. 4 9. 5 12. 7 15. 9 9. 1 13. 2 16. 6 19. 7 +0 - 0. 4 Refrigerant Piping The connecting sections of the refrigerant pipes are provided at the positions in the figure below. Upper side Rear side * When using the drain up kit sold separately, the pipe can be drawn out only from the upper side. R22 9. 0 13. 0 16. 2 19. 2 * In case of flaring for R410A with the conventional 1. Flare nut and flare works are also different from those of the conventional refrigerant. Take out the flare nut attached to the main unit of the air conditioner, and use it. The copper pipe gauge is useful for adjusting projection margin size. A Tightening connection CAUTION IMPORTANT 4 POINTS FOR PIPING WORK 1. of copper pipe 6. 4 mm (diam. ) 9. 5 mm (diam. ) Tightening torque 14 to 18 (1. 4 to 1. 8 kgfm) 33 to 42 (3. 3 to 4. 2 kgfm) 50 to 62 (5. 0 to 6. 2 kgfm) 63 to 77 (6. 3 to 7. 7 kgfm) Permissible Piping Length and Heat They vary according to the outdoor unit. For details, refer to the Installation Manual attached to the outdoor unit. 12. 7 mm (diam. ) 15. 9 mm (diam. ) Tightening torque of flare pipe connections Pressure of R410A is higher than that of R22. 1. 6 times) Therefore, using a torque wrench, tighten the flare pipe connecting sections which connect the indoor Flare at indoor and outdoor units of the unit side specified tightening torque. Incorrect connections may cause not only a gas leak, but also a trouble of the refrigeration cycle. Flare at outdoor unit side Flaring Insert a flare nut into the pipe, and flare the pipe. As the flaring sizes of R410A differ from those of refrigerant R22, the flare tools newly manufactured for R410A are recommended. B However, the conventional tools can be used by adjusting projection margin of the copper pipe. Projection margin in flaring : B (Unit : mm) Rigid (Clutch type) R410A tool used Outer diam. Never connect 220240V power to the terminal blocks ( A , B , etc. ) for control wiring. (Otherwise, the system will fail. ) Perform the electric wiring so that it does not come to contact with the high-temperature part of the pipe. After connecting cables to the terminal blocks, provide a trap and fix cables with the cable clamp. Run the refrigerant piping line and control wiring line in the same line. Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes. Remote controller wiring 2-core non polarity cable is used for the remote controller wiring. How to wire 1. Connect the connecting cable to the terminal as identified with their respective numbers on the terminal block of indoor and outdoor unit. For inter-unit wiring, do not use a wire jointed to another on the way. Fix the cable with cord clamp. 13 Cable connection REQUIREMENT Be sure to connect the cables matching the terminal numbers. Be sure to pass the cables through the bushing of cabling connection port of the indoor unit. 100mm) on a cable to hang down the electric parts box at servicing, etc. (Do not connect the high-voltage circuit) Loosen the cover mounting screws (2 positions) of the electric parts box, and then remove the cover. [. . . ] is displayed as [ ALL ] and fans and flaps of all the indoor units in the group control operate. TEST button to When the ITEM CODE is other than [01], push erase the display and repeat procedure from the first step. (After pushing TEST button, operation of the remote controller is not accepted for approx. 1 minute. ) UNIT VENT 1 CODE No. SET DATA SETTING TEST UNIT No. R. C. No. ( Display changes according to the model No. [. . . ]