Mitsubishi Electric MSYGL09NA-U1 - User Manual

Page 2 - TECHNICAL CHANGES; Use the specified refrigerant only; Never use any refrigerant other than that specified.; failure to follow the instructions.

2 MSZ-GL18NA - U1 MSY-GL18NA - U1 MSZ-GL24NA - U1 MSY-GL24NA - U1 1. New model 1 TECHNICAL CHANGES Use the specified refrigerant only Never use any refrigerant other than that specified. Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of. Correct ...

Page 3 - PART NAMES AND FUNCTIONS; Remote control receiving section; Display section; ACCESSORIES; Installation plate

3 2 PART NAMES AND FUNCTIONS MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA MSY-GL09NA MSY-GL12NA MSY-GL15NA Remote controller Operation indicator lamp Remote control receiving section Emergency operation switch Horizontal vane Air outlet Air ﬁ lter Air inlet Heat exchanger Front panel Air cleaning ﬁ l...

Page 5 - Remote controller; Operation indicator lamp; Emergency operation switch

5 Remote controller Display section Front panel Air ﬁ lter (Nano platinum filter) Air inlet Air cleaning filter (Electrostatic anti-allergy enzyme filter) Air outlet Horizontal vane Heat exchanger Operation indicator lamp Remote control receiving section Emergency operation switch MSZ-GL24NA MSY-GL2...

Page 6 - SPECIFICATION

6 3 SPECIFICATION Indoor model MSZ-GL15NA MSY-GL15NA MSZ-GL18NA MSY-GL18NA MSZ-GL24NA MSY-GL24NA Power supply V, phase, Hz 208/230, 1, 60 Max. fuse size (time delay)/ Disconnect switch A 15 20/15 Min. circuit ampacity A 1.0 Fan motor F.L.A 0.76 0.67 0.76 Airflow Super High - High - Med. - Low - Quie...

Page 8 - OUTLINES AND DIMENSIONS

8 Unit: inch MSZ-GL18NA MSY-GL18NA 4 OUTLINES AND DIMENSIONS Piping Insulation Ø2 O.D Liquid line Ø5/16 15-3/8 (Flared connection Ø1/4) Gas line Ø15/32 13-3/8 (Flared connection Ø1/2) Drain hose Insulation Ø1-1/8 Connected part Ø5/8 O.D 3/4 6-1/4 2-5/16 2-1/4 2-1/2 9-13/16 3/16 35-13/16 36-5/16 1/4 ...

Page 10 - WIRING DIAGRAM

10 MSZ-GL18NA MSY-GL18NA 5 WIRING DIAGRAM MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA MSY-GL09NA MSY-GL12NA MSY-GL15NA OBH732C

Page 12 - REFRIGERANT SYSTEM DIAGRAM

12 MSZ-GL18NA MSY-GL18NA Unit: inch (mm) Indoor heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant pipe ø1/2 (ø12.7) (with heat insulator) Refrigerant pipe ø1/4 (ø6.35) (with heat insulator) Indoor coil thermistor RT12 (main) Indoor coil thermistor RT13 (...

Page 13 - Table 1; unit operation; SERVICE FUNCTIONS

13 7-1. TIMER SHORT MODE For service, the set time can be shortened by bridging of the timer short point on the indoor electronic control P.C. board. The time will be shortened as follows. (Refer to 9-7.) • The set time for the ON/OFF timer can be reduced to 1 second for each minute. • After the bre...

Page 15 - WIRELESS REMOTE CONTROLLER; remote controller with beeps.; MICROPROCESSOR CONTROL; Indication of

15 WIRELESS REMOTE CONTROLLER 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. ON TIMER button CLOCK SET button TIME SET buttons FORWARD button BACKWARD button OFF TIMER button RESET button...

Page 16 - Operation Indicator lamp; Room temperature; INDOOR UNIT DISPLAY SECTION

16 Operation Indicator lamp The operation indicator at the right side of the indoor unit indicates the operation state. • The following indication applies regardless of shape of the indication. Indication Operation state Room temperature The unit is operating to reach the set temperature About 4°F(2...

Page 18 - units to the same operation mode.

18 (4) The initial set temperature is decided by the initial room temperature. Initial room temperature Model Initial set temperature 79°F (26°C) or more COOL mode of "I FEEL CONTROL" 75°F (24°C) 77 to 79°F (25 to 26°C) Initial room temperature minus 4°F (2°C) Less than 79°F (25°C) DRY mode ...

Page 20 - or

20 2. Vertical vane (MSZ-GL18/24NA MSY-GL18/24NA) (1) Vane 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 (approximately 12 V) transmitted from microprocessor. (2) The vertical v...

Page 21 - • “ ” and “ ” display shows the order of OFF timer and ON timer operation.; PROGRAM TIMER; NOTE; cancelled when power is restored.; How to SET SMART SET operation; • The setting range of HEAT; How to cancel operation; • Press SMART SET button again.

21 (Example 1) The current time is 8:00 PM. The unit turns OFF at 11:00 PM, and ON at 6:00 AM. • OFF timer and ON timer can be used in combination. The set time that is reached first will operate first. • “ ” and “ ” display shows the order of OFF timer and ON timer operation. PROGRAM TIMER (Example...

Page 22 - TIMER is cancelled and the display of set time disappears.; The operation mode is indicated by the Operation

22 TIMER is cancelled and the display of set time disappears. 8-10. EMERGENCY/TEST OPERATION In the case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the right side of the indoor unit. Emergency operation is available when the remote controller is missing, has fail...

Page 23 - Lead wiring; RESET button; then use the remote controller.; TROUBLESHOOTING

23 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. Take care of the following during servicing 1) Before servicing the air conditioner, be sure to turn OFF the unit first ...

Page 24 - Outline of the function; Flow chart of failure mode recall function

24 9-2. 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 (9-4.) disappears, the memorized failure details can be recalled. 1. Flow chart of failu...

Page 25 - Indoor unit failure mode table

25 2. Indoor unit failure mode table Upper lamp of OP- ERATION INDICA- TOR lamp Abnormal point (Failure mode) Condition Remedy Not lighted Normal — — 1-time flash every 0.5-second Room temperature thermistor The room temperature thermistor short or open circuit is detected every 8 seconds dur- ing o...

Page 27 - OPERATION INDICATOR

27 9-4. 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 an...

Page 29 - A Check of indoor fan motor

29 A Check of indoor fan motor 9-6. TROUBLESHOOTING FLOW The indoor fan motor error has occurred, and the indoor fan does not operate. Turn OFF the power supply. Is there any foreign matter that interferes the rotation of the line flow fan? Yes No Remove the foreign matter and adjust the line flow f...

Page 32 - C Check of indoor P.C. board and indoor fan motor

32 C Check of indoor P.C. board and indoor fan motor MSZ-GL06/09/12/15NA MSY-GL09/12/15NA Turn OFF the power supply. Remove indoor fan motor connector CN211 from indoor power P.C. board and vane motor connector CN151 from the indoor electronic control P.C. board and turn ON the power supply. Does th...

Page 35 - D How to check miswiring and serial signal error

35 D How to check miswiring and serial signal error • Turn OFF inverter-controlled lighting equipment. • Turn OFF the power supply and then turn ON again. • Press EMERGENCY OPERATION switch. A Is serial signal error indicated 6 minutes later? B Yes • Reinstall either the unit or the light away from ...

Page 37 - E Electromagnetic noise enters into TV sets or radios

37 E Electromagnetic noise enters into TV sets or radios Yes Is the unit grounded? No Ground the unit. Yes Is the distance between the antennas and the indoor unit within 9.91 ft.(3 m), or is the distance between the antennas and the outdoor unit within 9.91 ft.(3 m)? No Extend the distance between ...

Page 39 - mode point

39 3. Indoor power P.C. board Room temperature thermistor (RT11) Indoor coil thermistor (RT12, RT13) Temperature (°F) Resistance (kΩ) 32 50 68 86 104 122 140 MSZ-GL18NA MSY-GL18NA 12V GND 5V Fuse (F11) T3.15AL250V Varistor (NR11) Connector to indoor electronic control P.C. board (CN20A) 5 VDC 12 VDC...

Page 41 - Removing the panel; it; Photo 1; DISASSEMBLY INSTRUCTIONS

10-1. MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA MSY-GL09NA MSY-GL12NA MSY-GL15NA NOTE: Turn OFF the power supply before disassembly. OPERATING PROCEDURE PHOTOS 1. Removing the panel (1) Remove the horizontal vanes. (2) Remove the screw caps of the panel. Remove the screws of the panel. (3) Unhook ...

Page 42 - board and the room temperature thermistor; control

OPERATING PROCEDURE PHOTOS 2. Removing the indoor electronic control P.C. board and the room temperature thermistor (1) Remove the panel (Refer to 1.) and the corner box. (2) Remove the screw of the V.A. clamp and the V.A. clamp. (3) Loosen the screw of the indoor/outdoor connecting wire and remove ...

Page 43 - Removing the nozzle assembly; (4) Pull out the drain hose from the nozzle assembly and; Photo 5; (3) Disconnect the connector from the horizontal vane

OPERATING PROCEDURE PHOTOS 4. Removing the nozzle assembly (1) Remove the panel (Refer to 1.) and the corner box. (2) Remove the indoor/outdoor connecting wire (Refer to 2 (2)-(7).). (3) Remove the indoor electronic control P.C. board hold- er. (4) Pull out the drain hose from the nozzle assembly an...

Page 45 - (1) Remove the screw caps on the panel and remove the; Screws of the panel

OPERATING PROCEDURE PHOTOS 1. Removing the panel (1) Remove the screw caps on the panel and remove the screws of the panel. (2) Pull the panel slightly toward you, and then remove the panel by pushing it upward. 10-2. MSZ-GL18NA MSY-GL18NA NOTE: Turn OFF the power supply before disassembly. Photo 1 ...

Page 46 - electrical box

OPERATING PROCEDURE PHOTOS 2. Removing the indoor power P.C. board and the electrical box (1) Remove the panel. (Refer to 1.) Remove the right cor- ner box. (2) Disconnect the following connectors: <Indoor electronic control P.C. board> CN151 (Vane motor) CN112 (Indoor coil thermistor) CN10A (...

Page 47 - board; Room temperature thermistor

OPERATING PROCEDURE PHOTOS 3. Removing the indoor electronic control P.C. board (1) Remove the panel. (Refer to 1.) Remove the right corner box. (2) Disconnect the following connectors: <Indoor electronic control P.C. board> CN151 (Vane motor) CN112 (Indoor coil thermistor) CN10A (To the indoo...

Page 48 - the heat

OPERATING PROCEDURE PHOTOS 5. Removing the indoor fan motor, the indoor coil thermistor and the line flow fan (1) Remove the panel. (Refer to 1.) Remove the right cor- ner box. (2) Remove the control P.C. board holder, the water cover, the electrical box and the nozzle assembly. (Refer to 2.) (3) Re...

Page 51 - the indoor coil thermistor, and the line flow fan; receiver holder; Figure 1

OPERATING PROCEDURE PHOTOS 7. Removing the water cut, the indoor fan motor, the indoor coil thermistor, and the line flow fan (1) Remove the panel (Refer to 1.) and the right corner box. (2) Remove the power monitor receiver holder, the electri- cal box and the nozzle assembly. (Refer to 2 - 4.) (3)...

Page 52 - Fixing the indoor coil thermistor; There are 2 forms of parts for fixing the indoor coil thermistor.; Holder shape; When fixing the indoor coil thermistor; Position and procedure for mounting the clip-shape part; © Copyright 2015 MITSUBISHI ELECTRIC CORPORATION; Specifications are subject to change without notice.

52 Fixing the indoor coil thermistor There are 2 forms of parts for fixing the indoor coil thermistor. NOTE: Take care to avoid loss and accidental falling of the clip-shape part inside the unit. Mount the clip-shape part on the marked position. Do not pull the lead wire when removing the indoor coi...

Mitsubishi Electric MSYGL09NA-U1 - User Manual

Table of Contents:

Summary

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