Инструкция на Внутренние блоки для системы VRF.

Текст инструкции

1. Стр. 1 Refrigerant

   R407C&R22 Cassette Type (VRF System) INSTALLATION INSTRUCTION SHEET (PART NO. 9367700028) This air conditioner uses R407C and R22. WARNING! This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user. CAUTION! This mark indicates procedures…

2. Стр. 2 STANDARD PARTS

   The following installation parts are supplied. Use them as required. Name and Shape Coupler heat insulation Special nut A (large flange) Special nut B (small flange) Q’ty Application Name and Shape For indoor side pipe joint Q’ty Template For ceiling hole cutting 2 1 For installing indoor unit…

3. Стр. 3 You can select 2-way setting

   (A) Standard setting (B) Slender setting 250 mm (9-27/32”) or more Fig. 3 285 mm (11-7/32”) or more This mechanism enables the cassette body to move 35 mm downward and realizes installation to the space of 250 mm. No special works and option is needed. CONNECTION PIPE REQUIREMENT (1) Connected to…

4. Стр. 4 INSTALLATION PROCEDURE

   Install the air conditioner as follows. 1. INDOOR UNIT INSTALLATION WARNING 1 Install the air conditioner in a location which can withstand a load do at least five times the weight of the main unit and which will not amplify sound or vibration. If the installation location is not strong enough, the…

5. Стр. 5 REMOVING THE PANEL FRAME

   • Pull up the corner sections (A) of the panel frame as shown in Fig. 8. (4 locations) Fig. 8 Part A detail view A A A B A • Pull up in the direction of the arrow while holding down the C section of Fig. 9. (4 locations) Fig. 9 Fig. 10 Part B detail view Panel frame C Panel base CAUTION Always…

6. Стр. 6 1. POSITION THE CEILING HOLE AND HANGING BOLTS

   Fig. 11 940 mm ( 37”) 890 mm ( 35-3/64”) (Ceiling opening measurement) 750 mm (29-17/32”) (Hanging bolt position) (Grille measurement) 750 mm (29-17/32”) (Hanging bolt position) 2. HANGING PREPARATIONS • Firmly fasten the hanging bolts as shown in Fig. 12 or by another method. • Install the hanging…

7. Стр. 7 Fig. 14

   Fig. 15 Special nut A Special nut B After installing the body, tighten the nuts. Hook 30 mm or more Hanging bolt Ceiling * Must fit tightly against ceiling without any gap. * Allowable space between the unit and the ceiling 5 mm or less. Vinyl hose INSTALLING THE PANEL FRAME Fig. 16 Panel base *90°…

8. Стр. 8 2. INSTALLING DRAIN PIPE

   CAUTION Install the drain pipe in accordance with the instructions in this installation instruction sheet and keep the area warm enough to prevent condensation. Problems with the piping may lead to water leaks. NOTE: Install the drain pipe. • Install the drain pipe with downward gradient (1/50 to…

9. Стр. 9 When bending the pipe, there is a possibility to collapse. In this

   case, cut the heat insulating pipe with a sharp cutter as shown in Fig. 22, and bend it after exposing the pipe. After bending the pipe as you want, be sure to put the heat insulating pipe back on the pipe, and secure it with tape. Fig. 22 Pipe Heat insulating pipe Cutter Cut line 3. CONNECTION…

10. Стр. 10 4. INSTALLING THE COUPLER HEAT INSULATION

    After checking for gas leaks, insulate by wrapping insulation around the two parts (large and small) of the indoor unit coupling, using the coupler heat insulation. After installing the coupler heat insulation, wrap both ends with vinyl tape so that there is no gap. Fig. 26 Coupler heat insulation…

11. Стр. 11 2. IF TWO WIRES ARE CONNECTED TO ONE TERMINAL BLOCK

    Fig. 28 A. Strand wire Strip 10 mm (3/8”) A. As a rule, round terminal should be used to connect to the terminal block. (1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation to about 10 mm (3/8”) to expose the strand wiring. (2) Using a screwdriver, remove the…

12. Стр. 12 WARNING

    1 Before starting work, check that power is not being supplied to the indoor unit. 2 Erroneous wiring may cause burning of the electric parts. 3 Connect the connection cord firmly to the terminal board. Imperfect installation may cause a fire. 4 Always fasten the outside covering of the connection…

13. Стр. 13 CONNECTION CORD

    Fig. 33 Power supply cord RB unit cord TRANS POWER MISSION SUPPLY Transmission cord REMOTE CONTROL Indoor unit wiring REMOTE CONTROL TRANS POWER MISSION SUPPLY (Example) Terminal board Remote control cord Remote controller Note that the arrangement of the terminal board may vary from model to model.…

14. Стр. 14 6. CIRCUIT BOARD SETTING

    INDOOR UNIT SETTINGS (1) Indoor unit addresses Rotary switch (SW5) - - - Factory setting “0” When connecting multiple indoor units to one refrigerant system, set the address at SW5 in sequence from 0. (2) Refrigerant circuit address Rotary switch (SW7) - - - Factory setting “0” Rotary switch (SW8)…

15. Стр. 15 Fig. 34

    Example If 4 indoor units are connected. Indoor unit 0 Indoor unit 1 Indoor unit 2 Indoor unit Remote controller cord Bus wire Remote controller (4) Model select switch SW3 and SW4, mounted on the circuit board, should be checked. Table 8 Capacity SW3-1 OFF ON OFF OFF OFF ON SW3-2 OFF OFF ON OFF ON…

16. Стр. 16 7. GRILLE INSTALLATION

    BLOWER COVER INSULATION Install the blower cover insulation only when the outlet direction is not specified. Two blower cover insulations are packed with the indoor unit. Install the blower cover insulation at the diffuser position shown in Fig. 35. At this time, use the piping position as the…

17. Стр. 17 (2) Install the hook wire

    • Pass the hook wire through the panel base from the rear side as shown in Fig. 39, and fasten to the reinforced metal fitting of the intake grille using a screw. Fig. 39 Hook wire RFM (grille) Fig. 40 Section view Hook wire Screw (3) Loosen the screw, put the loop of the hook wire over it, and…

18. Стр. 18 8. TEST OPERATION

    Supply power to the crankcase heater for 12 hours prior to the start of operation in the winter. The following is the procedure for the test operation. 1. TEST OPERATION USING CIRCUIT BOARD (OUTDOOR UNIT) Refer to the Installation Instruction Sheet for the outdoor unit if the circuit board for the…

19. Стр. 19 Fig. 46

    (2) Standard wireless remote controller • Press the remote control unit test run button while the air conditioner is running. • At the end of test running, press the remote control unit startstop button (Fig. 46). Operation can be checked by lighting and flashing of the display section OPERATION and…

20. Стр. 20 Table 11

    Error display OPERATION lamp TIMER lamp Error contents VERTICAL SWING lamp Blinks Blinks Goes off Model information abnormal Blinks Blinks Blinks Power supply frequency abnormal Pulses 2times Blinks Goes off Room temperature thermistor error Pulses 3times Blinks Pulses 1time Indoor unit heat…

21. Стр. 21 10. OPENING THE DUCT CONNECTION HOLE

    Fig. 48 Distribution duct Fresh air Distribution duct CAUTION 1 When performing hole opening work, be careful not to damage the drain pan. 2 When connecting the distribution duct, to make the air flow easily, block the outlet port with the blower cover insulation as shown by the hatched lines in…

22. Стр. 22 • Open the holes and cut the insulation with a knife

    * Be careful not to damage the internal parts. * Be careful not to cut yourself on the cutout in the metal plate. * Please remove the insulation (inner box) left over after cutting. • Connect the distribution duct. * When mounting the duct, block the gap so that there is no cold air leakage. *…

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