Instruction d'utilisation Mitsubishi Electronics Mitsubishi Digital ElectronicsMSY-A24NA

Instruction d'utilisation pour le dispositif Mitsubishi Electronics Mitsubishi Digital ElectronicsMSY-A24NA

Dispositif: Mitsubishi Electronics Mitsubishi Digital ElectronicsMSY-A24NA
Catégorie: Pompe de chauffage
Fabricant: Mitsubishi Electronics
Dimension: 2.24 MB
Date d'addition: 4/1/2013
Nombre des pages: 48
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Résumés

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Résumés du contenu
Résumé du contenu de la page N° 1

OB450B-1.qxp 07.5.14 4:13 PM Page 1
Revision B:
1 1
• MSZ-A•NA- and MSY-A•NA- have been
added.
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Please void OB450 REVISED EDITION-A.
INDOOR UNIT
No. OB450
REVISED EDITION-B
SERVICE MANUAL
Wireless type
Models
MSZ-A09NA MSZ-A24NA
1 1
MSZ-A09NA - MSZ-A24NA -
MSZ-A12NA MSY-A15NA
1 1
MSZ-A12NA - MSY-A15NA -
MSZ-A15NA MSY-A17NA
1 1
MSZ-A15NA - MSY-A17NA -
MSZ-A17NA MSY-A24NA
1 1
MSZ-A17NA - MSY-A24NA -
Outdoor unit service manual
MUZ-A·NA Series (OB451)
MXZ-A·N

Résumé du contenu de la page N° 2

OB450B-1.qxp 07.5.14 4:13 PM Page 2 Revision A : • PARTS LIST has been revised. (10-1.8, 10-2.8) Revision B : 1 1 • MSZ-A•NA- and MSY-A•NA- Remote controller has been changed. TECHNICAL CHANGES 1 MSZ09UN ➔ MSZ-A09NA MSH24WN ➔ MSZ-A24NA MSZ12UN ➔ MSZ-A12NA MS15TN ➔ MSY-A15NA MSH15TN ➔ MSZ-A15NA MS17TN ➔ MSY-A17NA MSH17TN ➔ MSZ-A17NA MS24WN ➔ MSY-A24NA 1.Control method between indoor and outdoor has been changed. 2.Indoor fan motor has been changed. 3.Signal of remote controller has been changed

Résumé du contenu de la page N° 3

OB450B-1.qxp 07.5.14 4:13 PM Page 3 2 PART NAMES AND FUNCTIONS MSZ-A09NA MSY-A15NA MSZ-A24NA MSZ-A12NA MSY-A17NA MSY-A24NA MSZ-A15NA Front panel MSZ-A17NA Air inlet Heat exchanger Panel Air cleaning filter (Anti-Allergy Enzyme Filter, Blue bellows type) Catechin air filter Air outlet Vertical vane Remote controller Horizontal vane Line flow fan Display section Operation section MSZ-A09NA MSZ-A12NA (When the front panel is opened) MSZ-A15NA MSZ-A17NA Operation Indicator lamp MSY-A15NA MSY-A1

Résumé du contenu de la page N° 4

OB450B-1.qxp 07.5.14 4:13 PM Page 4 3 SPECIFICATION Model MSZ-A09NA MSZ-A12NA Item Indoor unit model MSZ-A09NA MSZ-A12NA External finish White Power supply V, phase, Hz 208/230, 1, 60 - Max. fuse size (time delay)/ Disconnect switch A 15 Min. circuit ampacity A 1.0 1.0 Fan motor F.L.A 0.76 0.76 CFM HEAT Dry 307-222-159 353-240-159 Airflow Low—Med.—High CFM COOL Dry (Wet) 307(275)-229(205)-152(134) 353(318)-240(215)-152(134) Moisture removal pt./h 2.3 3.2 Sound level Low-Med.-High dB(A) 22-3

Résumé du contenu de la page N° 5

OB450B-1.qxp 07.5.14 4:13 PM Page 5 3-1. OPERATING RANGE (1) POWER SUPPLY Model Rated voltage Guaranteed Voltage MSZ-A09NA MSY-A15NA Min. 198V 208V 230V Max. 253V MSZ-A12NA MSY-A17NA MSZ-A15NA MSY-A24NA 208/230V 1phase 60Hz MSZ-A17NA MSZ-A24NA (2) OPERATION Intake air Indoor Outdoor temperature Function DB (˚F) WB (˚F) DB (˚F) WB (˚F) Condition Standard temperature 80 67 95 — Maximum temperature 95 71 115 — Cooling Minimum temperature 67 57 14 — Maximum humidity 78% — Standard

Résumé du contenu de la page N° 6

OB450B-1.qxp 07.5.14 4:13 PM Page 6 4 OUTLINES AND DIMENSIONS Unit : inch MSZ-A09NA MSY-A15NA MSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA Conduit plate(MSZ-A•NA- and MSY-A•NA- are excluded.) 7/16x13/16 Oblong hole 7/16x1 Oblong hole Installation plate 2-3/16 8-7/8 8-7/8 2-3/16 hole 7/8 30-11/16 6-1/8 6-1/8 1-3/4 2-3/4 2-3/16 13-3/16 12-5/8 Indoor unit Air in Wall hole [2-9/16 3/16 8-1/4 Installation plate Liquid line [1/4 19-11/16 Gas line [3/8 16-15/16 Insulation [1-3/8 O.D {

Résumé du contenu de la page N° 7

OB450B-1.qxp 07.5.14 4:13 PM Page 7 Unit : inch MSZ-A24NA MSY-A24NA Installation plate Indoor unit 3-7/8 6-13/16 42-1/16 3-7/8 16-5/16 16-5/16 6-13/16 Wall hole [3 10-1/4 3/16 43-5/16 Air in Installation plate Liquid line [1/4 19-11/16 Gas line [5/8 16-15/16 { Insulation [1-15/16 O.D [1-1/4 I.D 2-3/16 31-1/8 9-15/16 Drain hose [5/8 (Connected part O.D) Air out Insulation [1-1/8 2-5/16 3/4 Wireless remote controller 7 12-13/16 6-1/4 1-7/8 1/8 1-7/8 10-1/16 12-3/8 5/16

Résumé du contenu de la page N° 8

OB450B-1.qxp 07.5.14 4:13 PM Page 8 5 WIRING DIAGRAM MSZ-A09NA MSY-A15NA MSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA MSZ-A24NA MSY-A24NA 8

Résumé du contenu de la page N° 9

OB450B-1.qxp 07.5.14 4:13 PM Page 9 6 REFRIGERANT SYSTEM DIAGRAM Unit:inch MSZ-A09NA MSZ-A15NA MSY-A15NA MSZ-A12NA MSZ-A17NA MSY-A17NA Refrigerant pipe [1/2 Refrigerant pipe [3/8 (with heat insulator) (with heat insulator) Indoor coil Indoor coil Indoor Indoor thermistor thermistor heat heat RT12(main) RT12(main) exchanger Flared connection exchanger Distributor Flared connection Indoor coil Indoor coil thermistor thermistor RT13(sub) RT13(sub) Room temperature thermistor Room temperature th

Résumé du contenu de la page N° 10

OB450B-1.qxp 07.5.14 4:13 PM Page 10 7 SERVICE FUNCTIONS MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSZ-A24NA MSY-A15NA MSY-A17NA MSY-A24NA 7-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the indoor electronic control P.C. board. The time will be shortened as follows. (Refer to 8-7.) Set time : 1-minute ➔ 1-second Set time : 3-minute ➔ 3-second (It takes 3 minutes for the compressor to start operation. However, the starting time is shortened by short

Résumé du contenu de la page N° 11

OB450B-1.qxp 07.5.14 4:13 PM Page 11 7-3. AUTO RESTART 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 “AUTO RESTART FUNCTION” sets to work the moment power has restored after power failure. Then, the unit will restart automatically. Operation 1 If the main power has been cut, the operation settings remain. 2 After the power is restored, the unit re

Résumé du contenu de la page N° 12

OB450B-1.qxp 07.5.14 4:13 PM Page 12 3. Troubleshooting procedure 1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality. To make sure, check how many times the abnormality indication is flashing on and off before starting service work. 2) Before servicing check that the connector and terminal are connected properly. 3) If the electronic control P.C. board is supposed to be defective, check the copper foil pattern for disconnection

Résumé du contenu de la page N° 13

OB450B-1.qxp 07.5.14 4:13 PM Page 13 8-2. Failure mode recall function 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 (8-4.) 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 recur. 1. Flow chart of failure mode recall function for the indoor/outdoor unit Those figu

Résumé du contenu de la page N° 14

OB450B-1.qxp 07.5.14 4:13 PM Page 14 2. Indoor unit failure mode table Left lamp of OPERATION Abnormal point Condition Correspondence INDICATOR lamp (Failure mode) Not lighted Normal – – The room temperature thermistor short 1-time flash Room temperature Refer to the characteristics of the room or open circuit is detected every 8 every 0.5-second thermistor temperature thermistor (8-7.). seconds during operation. The indoor coil thermistor short or open Refer to the characteristics of the mai

Résumé du contenu de la page N° 15

OB450B-1.qxp 07.5.14 4:13 PM Page 15 8-3. Instruction of troubleshooting Start Indoor unit Indoor unit Indoor unit operates. OPERATION INDICATOR operates. doesn't receive Outdoor unit doesn't lamp on the indoor unit is Outdoor unit the signal from operate normally. flashing on and off. doesn't remote controller. operate. If blinking of OPERATION Indoor unit Indoor unit Outdoor unit Outdoor unit Unit doesn't INDICATOR lamp cannot be operates, when doesn't operate, operates only does

Résumé du contenu de la page N° 16

OB450B-1.qxp 07.5.14 4:13 PM Page 16 8-4. Troubleshooting check table 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 electronic control P.C. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing. · Flashing of OPERATION INDICATOR lamp (left-hand side lamp) Lighted OPERAT

Résumé du contenu de la page N° 17

OB450B-1.qxp 07.5.14 4:13 PM Page 17 OPERATION INDICATOR Lighted · Flashing of OPERATION INDICATOR lamp (right-hand side lamp) indicates Blinking abnormality. Not lighted · OPERATION INDICATOR lamp (left-hand side lamp) is lighted. Abnormal No. Operation indicator lamp Symptom Condition Correspondence point Right lamp flash Outdoor unit The operation mode of the each indoor MXZ type • Unify the operation mode. unit is differently set to COOL(includes DRY) operates but Operation Refer

Résumé du contenu de la page N° 18

OB450B-1.qxp 07.5.14 4:13 PM Page 18 8-6. Troubleshooting flow When OPERATION INDICATOR lamp flashes 3-time. Indoor fan does not operate. A Check of indoor fan motor The indoor fan motor error has occurred, and the indoor fan doesn't operate. Turn OFF the power supply. Pay careful attention to the high voltage on the fan motor connector CN211. Turn ON the power supply, wait 5 seconds or more, and then press EMERGENCY OPERATION switch. Is there any foreign matter that Measure the supply voltage

Résumé du contenu de la page N° 19

OB450B-1.qxp 07.5.14 4:13 PM Page 19 Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller. B Check of remote controller and receiver P.C. board wCheck if the remote controller is exclusive for this air conditioner. Switch ON the remote controller. No Is LCD display on the remote con- Replace the batteries. (Refer to 8-1.4.) troller visible? (not clear) Yes Remove the batteries, then set them back and press RESET button. (Refer to 8-1.4.)

Résumé du contenu de la page N° 20

OB450B-1.qxp 07.5.14 4:13 PM Page 20 The unit does not operate with the remote controller. Also, OPERATION INDICATOR lamp does not light up by pressing EMERGENCY OPERATION switch. Check of indoor electronic control P.C. board and indoor fan motor C Turn OFF the power supply. Remove indoor fan motor connector CN211 and Measure the resistance between CN211 3 Short/open circuit: and 4 of the indoor fan motor connector. Replace the indoor fan motor. vane motor connector CN151 from the indoor elect


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