Logitech MSZ-A09NA user manual

User manual for the device Logitech MSZ-A09NA

Device: Logitech MSZ-A09NA
Category: Air Conditioner
Manufacturer: Logitech
Size: 3.65 MB
Added : 5/15/2013
Number of pages: 48
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Abstracts of contents
Summary of the content on the page No. 1

Revision C:
• SPECIFICATION has been corrected.
Please void OB450 REVISED EDITION-B.
INDOOR UNIT
No. OB450
REVISED EDITION-C
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·NA Series (OB444)
CONTENTS
1. TECHNICAL CHANGES ··································· 2

Summary of the content on the page No. 2

Revision A : • PARTS LIST has been revised. (10-1.8, 10-2.8) Revision B : • MSZ-A•NA- 1 and MSY-A•NA- 1 Remote controller has been changed. Revision C : • SPECIFICATION has been corrected. Powerful has been added. (Airflow , Sound level) 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

Summary of the content on the page No. 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 Operation section Display section MSZ-A09NA MSZ-A12NA (When the front panel is opened) MSZ-A15NA MSZ-A17NA Operation Indicator lamp MSY-A15NA MSY-A17NA Emergency operation

Summary of the content on the page No. 4

3 SPECIFICATION Indoor unit model MSZ-A09NA MSZ-A12NA External fi nish 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 Fan motor F.L.A 0.76 152-229-307-338 152-240-353-388 COOL Dry (Wet) Airfl ow (134-205-275-303) (134-215-318-349) CFM Low–Med.–High–Powerful HEAT 159-222-307-321 159-240-353-353 Moisture removal pt./h 2.3 3.2 COOL 22-33-38-41 22-34-42-44 Sound level dB(A) Low–Med.–High–Powerful HEAT 22-33-38-39 22

Summary of the content on the page No. 5

3-1. OPERATING RANGE (1) POWER SUPPLY Rated voltage Guaranteed Voltage (V) 208/230 V Min.187 208 230 Max.253 Indoor unit 1 phase 60 Hz (2) OPERATION Intake air temperature (°F) Mode Condition Indoor Outdoor DB WB DB WB Standard temperature 80 67 95 — Maximum temperature 90 73 115 — Cooling Minimum temperature 67 57 14 — Maximum humidity 78% — Standard temperature 70 60 47 43 Heating Maximum temperature 80 67 75 65 Minimum temperature 70 60 14 13 3-2. OUTLET AIR SPEED AND COVERAGE RANGE Air sp

Summary of the content on the page No. 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 2-3/16 2-3/4 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 3/4 I.D Drain hose 5

Summary of the content on the page No. 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 5/16 12-3/8

Summary of the content on the page No. 8

5 WIRING DIAGRAM MSZ-A09NA MSY-A15NA MSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA MSZ-A24NA MSY-A24NA 8

Summary of the content on the page No. 9

6 REFRIGERANT SYSTEM DIAGRAM Unit : inch MSZ-A09NA MSZ-A15NA MSY-A15NA MSZ-A12NA MSZ-A17NA MSY-A17NA Refrigerant pipe ø1/2 Refrigerant pipe ø3/8 (with heat insulator) (with heat insulator) Indoor coil Indoor coil Indoor Indoor thermistor thermistor heat heat RT12(main) RT12(main) exchanger exchanger Distributor Flared connection Flared connection Indoor coil Indoor coil thermistor thermistor RT13(sub) RT13(sub) Room temperature thermistor RT11 Room temperature thermistor RT11 Flared connec

Summary of the content on the page No. 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 circuit-of JPG and JPS.

Summary of the content on the page No. 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 If the main power has been cut, the operation settings remain. After the power is restored, the unit restarts automatically according to the

Summary of the content on the page No. 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 and the components for bursting a

Summary of the content on the page No. 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 figures show about MSZ-A09/12/15/17. Ope

Summary of the content on the page No. 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 or 1-time fl ash every Room temperature Refer to the characteristics of the room temperature open circuit is detected every 8 seconds dur- 0.5-second thermistor thermistor (8-7.). ing operation. Indoor coil 2-time fl ash The indoor coil thermistor short or open circuit Refer to the characteristics of the

Summary of the content on the page No. 15

8-3. INSTRUCTION OF TROUBLESHOOTING Start Indoor unit operates. Indoor unit Indoor unit oper- OPERATION INDICATOR Outdoor unit doesn't doesn't receive ates. lamp on the indoor unit is operate normally. the signal from Outdoor unit fl ashing on and off. remote controller. doesn't operate. If blinking of OPERATION INDI- CATOR lamp cannot be checked, it can be checked with failure mode recall function. Outdoor unit Outdoor Indoor unit Indoor unit Unit doesn't operates only unit doesn't o

Summary of the content on the page No. 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 detected an abnormality of the following condition (the first detection after the power ON), the indoor fan motor turns OFF and OPERATION INDICATOR lamp flashes. OPERATION INDICATOR Lighted Blinking Not lighted Abnormal No. Operation indicator lamp Symptom Condition Correspondence point Left lamp fl ashes. 0.5-second ON Mi

Summary of the content on the page No. 17

OPERATION INDICATOR Abnormal No. Operation indicator lamp Symptom Condition Correspondence point Left lamp lights and lower lamp fl ashes. Lower lamp fl ashes. The operation mode of the each indoor unit MXZ type Outdoor unit is differently set to COOL (includes DRY) and • Unify the operation mode. Operation operates but 1 HEAT at the same time, the operation mode Refer to outdoor unit service mode indoor unit does 2.5-second OFF of the indoor unit that has operated at fi rs

Summary of the content on the page No. 18

8-6. TROUBLESHOOTING FLOW 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. Measure the supply voltage as follows within 12 seconds after EMER- GENCY OPERATION switch is pressed. Is there any foreign matter that interferes the rotation of the li

Summary of the content on the page No. 19

B Check of remote controller and indoor electronic control P.C. board Check if the remote controller is exclusive for this air conditioner. Press OPERATE/STOP (ON/OFF) button on the remote controller. Is LCD display on the remote controller Replace the batteries. (Refer to 8-1.4.) visible? No (Not clear) Yes Remove the batteries, then set them back and press RESET button. (Refer to 8-1.4.) Check if the unit operates with the remote controller. Turn ON a radio to AM and press OP- Does the

Summary of the content on the page No. 20

C Check of indoor electronic control P.C. board and indoor fan motor Turn OFF the power supply. Remove indoor fan motor connector CN211 and vane motor connector CN151 from the indoor electronic control P.C. board and turn ON the power supply. Measure the resistance between Short/open circuit: CN211 and of the indoor fan motor Replace the indoor fan motor. connector. Does the unit operate with the remote controller? Does OPERATION INDICATOR lamp light up by pressing EMERGENCY Yes OPER


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