Инструкция обслуживания Vermont Casting MSZ-D36NA

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  • Vermont Casting MSZ-D36NA - page 1

    SER VICE MANUAL CONTENTS 1. TECHNICAL CHANGES ······································· 3 2. P ART NAMES AND FUNCTIONS ····················· 4 3. SPECIFICA TION ················································ 5 4. OUTLINES AND DIMENSIONS ··? ...

  • Vermont Casting MSZ-D36NA - page 2

    2 ...

  • Vermont Casting MSZ-D36NA - page 3

    3 1 TECHNICAL CHANGES MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA 1. New model ...

  • Vermont Casting MSZ-D36NA - page 4

    4 Remote controller Operation indicator lamp Remote control receiving section Emergency operation switch Horizontal vane Air outlet Air fi lter (Catechin air fi lter) Air inlet Front panel Air cleaning fi lter (Anti-Allergy Enzyme Filter) 4 P ART NAMES AND FUNCTIONS 2 ACCESSORIES MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA MSZ-D30NA MSZ-D36NA MSY ...

  • Vermont Casting MSZ-D36NA - page 5

    5 5 3 SPECIFICA TION Model MSZ-D30NA MSY -D30NA MSZ-D36NA MSY -D36NA External fi nish White Power supply V , phase, Hz 208 / 230 , 1 , 60 Max. fuse size (time delay)/ Disconnect switch A1 5 Min. circuit ampacity A 1.0 Fan motor F .L.A 0.76 Air fl ow Low-Med.-High HEA T Dry CFM 445-639-848 — 445-639-848 — COOL Dry (Wet) CFM 389(350)-639(576)-8 ...

  • Vermont Casting MSZ-D36NA - page 6

    6 6 3-1. OPERA TING RANGE (1) POWER SUPPL Y 3-2. OUTLET AIR SPEED AND COVERAGE RANGE (2) OPERA TION The air coverage range is the figure up to the position where the air speed is 1 ft./sec., when air is blown out horizon- tally from the unit properly at the High speed position. The coverage range should be used only as a general guideline since it ...

  • Vermont Casting MSZ-D36NA - page 7

    7 7 4 OUTLINES AND DIMENSIONS Unit : inch MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA Wireless remote controller Piping Insulation Liquid line Drain hose Gas line Indoor unit Air out Air in 45-1/2 46-1/16 14-3/8 2-15/16 33-11/16 9-1/2 2-11/16 2-3/16 20-7/8 17-11/16 Installation plate Piping Drain hose Wall hole ø3 2-5/16 3/4 14-3/8 1-7/8 4-11/16 7/8 ...

  • Vermont Casting MSZ-D36NA - page 8

    8 5 WIRING DIAGRAM MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA ...

  • Vermont Casting MSZ-D36NA - page 9

    9 REFRIGERANT SYSTEM DIAGRAM 6 MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA Refrigerant flow in cooling Refrigerant flow in heating Unit:inch Indoor heat exchanger Room temperature thermistor RT1 1 Refrigerant pipe ø5/8 (with heat insulator) Flared connection Indoor coil thermistor RT12(main) Refrigerant pipe ø3/8 (with heat insulator) Distributor I ...

  • Vermont Casting MSZ-D36NA - page 10

    10 7 SER VICE FUNCTIONS 7-2. P .C. BOARD MODIFICA TION FOR INDIVIDUAL OPERA TION A maximum of 4 indoor units with wireless remote controllers can be used in a room. In this case, to operate each indoor unit individually by each remote controller , P .C. boards of remote controller must be modified according to the number of the indoor unit. 7-1. TI ...

  • Vermont Casting MSZ-D36NA - page 11

    7-3. AUTO REST ART FUNCTION When the indoor unit is controlled with the remote controller , the operation mode, the set temperature, and the fan speed are memorized by the indoor electronic control P .C. board. The “AUT O REST ART FUNCTION” sets to work the moment power has restored after power failure. Then, the unit will restart automatically ...

  • Vermont Casting MSZ-D36NA - page 12

    12 8 MICROPROCESSOR CONTROL NOTE: Last setting will be stored after the unit is turned OFF with the remote controller . Indoor unit receives the signal of the remote controller with beeps. WIRELESS REMOTE CONTROLLER .) Signal transmitting section Operation display section T emperature buttons OPERA TE/STOP (ON/OFF) button NOTE Use the remote contro ...

  • Vermont Casting MSZ-D36NA - page 13

    13 8-3. HEA T ( ) OPERA TION (MSZ) (1) Press OPERA TE/STOP (ON/OFF) button. OPERA TION INDICA TOR lamp of the indoor unit turns on with a beep tone. (2) Select HEA T mode with OPERA TION SELECT button. (3) Press TEMPERA TURE buttons (TOO W ARM or TOO COOL button) to select the desired temperature. The setting range is 61 ~ 88 °F (16 ~ 31 °C). 1. ...

  • Vermont Casting MSZ-D36NA - page 14

    14 (4) The initial set temperature is decided by the initial room temperature. 1 When the system is restarted with the remote controller , the system operates with the previous set temperature regardless of room temperature at restart. The set temperature is calculated by the previous set temperature. (5) TEMPERA TURE buttons In “I FEEL CONTROL? ...

  • Vermont Casting MSZ-D36NA - page 15

    15 (3) Positioning T o confirm the standard position, the vane moves until it touches the vane stopper . Then the vane is set to the selected angle. (a) The operation starts or finishes (including timer operation). (b) The test run starts. 8-7. AUTO V ANE OPERA TION 1. Horizontal vane (1) V ane motor drive These models are equipped with a stepping ...

  • Vermont Casting MSZ-D36NA - page 16

    16 6 1 23 45 SWING 2. V ertical vane (1) V ane motor drive These models are equipped with a stepping motor for the vertical vane. The rotating direction, speed, and angle of the motor are controlled by pulse signals (approx. 12 V) transmitted from microprocessor . (2) The vertical vane angle and mode change as follows by pressing WIDE V ANE button. ...

  • Vermont Casting MSZ-D36NA - page 17

    17 8-8. TIMER OPERA TION 1. How to set the time (1) Check that the current time is set correctly . NOTE : T imer operation will not work without setting the current time. Initially “0:00” blinks at the current time display of TIME MONIT OR, so set the current time correctly with CLOCK SET button. How to set the current time (a) Press the CLOCK ...

  • Vermont Casting MSZ-D36NA - page 18

    18 EMERGENCY OPERA TION switch E.O. SW E.O. SW 8-9. EMERGENCY/TEST OPERA TION In case of test run operation or emergency operation, use EMERGENCY OPERA TION switch on the front of the indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of the remote controller run down. The unit will star ...

  • Vermont Casting MSZ-D36NA - page 19

    19 9-1. CAUTIONS ON TROUBLESHOOTING 1. Before troubleshooting, check the following 1) Check the power supply voltage. 2) Check the indoor/outdoor connecting wire for miswiring. 2. T ake care of the following during servicing 1) Before servicing the air conditioner , be sure to turn off the unit first with the remote controller , and then after conf ...

  • Vermont Casting MSZ-D36NA - page 20

    20 20 Outline of the function This air conditioner can memorize the abnormal condition which has occurred once. Even though LED indication listed on the troubleshooting check table (9-4.) disappears, the memorized failure details can be recalled. This mode is very useful when the unit needs to be repaired for the abnormality which doesn't recu ...

  • Vermont Casting MSZ-D36NA - page 21

    21 21 2. Indoor unit failure mode table NOTE : Blinking patterns of this mode differ from the ones of Troubleshooting check table (9-4.). Left lamp of OP- ERA TION INDICA- TOR lamp Abnormal point (Failure mode) Condition Correspondence Not lighted Normal — — 1-time fl ash every 0.5-second Room temperature thermistor The room temperature thermi ...

  • Vermont Casting MSZ-D36NA - page 22

    22 22 9-3. INSTRUCTION OF TROUBLESHOOTING Indoor unit oper- ates. Outdoor unit doesn't operate. If blinking of OPERA TION INDI- CA T OR lamp cannot be checked, it can be checked with failure mode recall function. Indoor unit operates. Outdoor unit doesn't operate normally . Indoor unit doesn't receive the signal from remote controlle ...

  • Vermont Casting MSZ-D36NA - page 23

    23 23 9-4. TROUBLESHOOTING CHECK T ABLE Not lighted Blinking OPERA TION INDICA TOR Lighted Before taking measures, make sure that the symptom reappears for accurate troubleshooting. When the indoor unit has started operation and the following detection method has detected an abnormality (the first detection after the power ON), the indoor electroni ...

  • Vermont Casting MSZ-D36NA - page 24

    24 Part name Check method and criterion Figure Room temperature thermistor(RT1 1) Indoor coil thermistor (RT12(MAIN), R T13(SUB)) Measure the resistance with a tester . Refer to 9-7. "T est point diagram and voltage", "Indoor electronic control P .C. board", the chart of thermistor . Indoor fan motor(MF) Check 9-6. . Horizontal ...

  • Vermont Casting MSZ-D36NA - page 25

    25 25 A Check of indoor fan motor OPERA TION INDICA TOR lamp flashes 3-time. Indoor fan does not operate. 9-6. TROUBLESHOOTING FLOW The indoor fan motor error has occurred, and the indoor fan doesn't operate. T urn OFF the power supply . Is there any foreign matter that interferes the rotation of the line fl ow fan? Ye s No Remove the foreign ...

  • Vermont Casting MSZ-D36NA - page 26

    26 26 B Check of remote controller and receiver P .C. board Indoor unit operates by pressing EMERGENCY OPERA TION switch, but does not operate with the remote controller . Check if the remote controller is exclusive for this air conditioner . Does the unit operate with the remote controller? OK Ye s No (not clear) Replace the batteries. (Refer to 9 ...

  • Vermont Casting MSZ-D36NA - page 27

    27 27 The unit does not operate with the remote controller . Also, OPERA TION INDICA TOR lamp does not light up by pressing EMERGENCY OPERA TION switch. C Check of indoor electronic control P .C. board and indoor fan motor T urn OFF the power supply . Remove indoor fan motor connector CN21 1 and vane motor connector CN151 from the indoor electronic ...

  • Vermont Casting MSZ-D36NA - page 28

    28 28 D How to check miswiring and serial signal error • Unit cannot operate neither by the remote controller nor by EMERGENCY OPERA TION switch. Indoor unit does not operate. • OPERA TION INDICA TOR lamp flashes ON and OFF every 0.5-second. Outdoor unit does not operate. T urn OFF the power supply . Is there rated voltage AC in the power suppl ...

  • Vermont Casting MSZ-D36NA - page 29

    29 29 E Electromagnetic noise enters into TV sets or radios Ye s Is the unit grounded? No Ground the unit. Ye s Is the distance between the antennas and the indoor unit within 9.91 ft., or is the distance between the antennas and the outdoor unit within 9.91 ft.? No Extend the distance between the antennas and the indoor unit, and/or the antennas a ...

  • Vermont Casting MSZ-D36NA - page 30

    30 (+)0 VDC or 15 VDC MSZ-D30NA MSZ-D36NA MSY -D30NA MSY -D36NA Indoor electronic control P .C. board 208 / 230 V AC Fuse (F1 1) 250 V 3.15 A Indoor coil thermis- tor RT12(MAIN) RT13(SUB) (CN1 12) Horizontal vane motor(CN151) SW P .C. board 12 VDC 5 VDC (+)3-6 VDC 15 VDC (-) Fiducial terminal of cathode side on measur- ing high-voltage DC 294 / 325 ...

  • Vermont Casting MSZ-D36NA - page 31

    31 OPERA TING PROCEDURE PHOTOS 1. Removing the panel (1) Press and unlock the knobs on both sides of the front panel and lift the front panel until it is level, and then pull the hinges forward to remove the front panel. (2) Remove the screw caps of the panel. Remove the screws of the panel. (3) Hold the lower part of both ends on the panel and pul ...

  • Vermont Casting MSZ-D36NA - page 32

    32 OPERA TING PROCEDURE PHOTOS 3. Removing the nozzle assembly (1) Remove the panel and the corner box. (Refer to 1.) (2) Remove the electrical cover . (Refer to 2.) (3) Remove the electrical side cover , disconnect the vane motor connector . (4) Pull out the drain hose from the nozzle assembly , and remove the nozzle assembly . 4. Removing the ver ...

  • Vermont Casting MSZ-D36NA - page 33

    OPERA TING PROCEDURE PHOTOS 6. Removing the line flow fan and the indoor fan motor (1) Remove the panel and the corner box. (Refer to 1.) (2) Remove the electrical box. (Refer to 2.) (3) Remove the nozzle assembly . (Refer to 3.) (4) Remove the water cover . (5) Loosen the screw of the line flow fan. (6) Remove the screws of the motor bed. (7) Remo ...

  • Vermont Casting MSZ-D36NA - page 34

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  • Vermont Casting MSZ-D36NA - page 36

    HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN Copyright 2008 MITSUBISHI ELECTRIC ENGINEERING CO.,L TD Distributed in Feb. 2008. No. OBH501 7 Made in Japan New publication, effective Feb. 2008 Specifications subject to change without notice. TM ...

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