Mitsubishi Mr.Slim MSZ-FE12NA- User Manual

Page 2 - TECHNICAL CHANGES

2 1 TECHNICAL CHANGES MSZ-FE09NAMSZ-FE12NA 1. New model

Page 3 - PART NAMES AND FUNCTIONS; ACCESSORIES; AREA lamp indicates AREA setting; i-see control operation; fl

3 PART NAMES AND FUNCTIONS 2 MSZ-FE09NA MSZ-FE12NA Front panel Air fi lter Air inlet Operation indicator lamp Platinum deodorizing fi lter Anti-allergy Enzyme Filter Air outlet Horizontal vane i-see Sensor Heat exchanger Emergency operation switch Remote control receiving section AREA lamp POWER lam...

Page 4 - SPECIFICATION; NOTE

4 3 SPECIFICATION Indoor model MSZ-FE09NA MSZ-FE12NA 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 Air fl ow Low - Med. - High - Powerful COOL Dry (Wet) CFM 162 - 226 - 339 - 381 (144 - 202 - 307 - 343)...

Page 5 - OUTLINES AND DIMENSIONS; Air out; Air in

5 4 OUTLINES AND DIMENSIONS Unit: inch MSZ-FE09NA MSZ-FE12NA 30-7/8 31-3/8 1/2 1-7/8 2-3/16 11 -5 /8 27-1/16 3/4 2-5/16 6-1/4 1-11/16 2-1 1 /16 2-3/16 3-15/16 1/2 10-1/8 1/4 Installation plate Piping 2-3/16 Drain hose 1-11/16 3-3/83-13/16 Air out Indoor unit 2-1/8 1-5/8 2-1/2 Installation plate 7/16...

Page 7 - Table 1; SERVICE FUNCTIONS

7 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 9-7.) Set time: 1-minute 1-second Set time: 3-minute 3-second (It takes 3 minutes for the compressor to start oper...

Page 8 - power button of the remote controller is OFF.; Operation; If the main power has been cut, the operation settings remain.; How to release “AUTO RESTART FUNCTION”; objects, set the slide switch to the “center” position.

8 NOTE: • The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote controller. • If main power is turned OFF or a power failure occurs while AUTO START/STOP timer is active, the timer setting is cancelled. • If the unit has been off with the...

Page 9 - MICROPROCESSOR CONTROL; WIRELESS REMOTE CONTROLLER; INDOOR UNIT LAMP; Coil frost prevention

9 8 MICROPROCESSOR CONTROL WIRELESS REMOTE CONTROLLER MSZ-FE09NA MSZ-FE12NA ON TIMER button CLOCK SET button TIME SET buttons FORWARD button BACKWARD button OFF TIMER button RESET button VANE CONTROL button WIDE VANE button (Vertical vane button) AREA button i-see button i-see RESET CLOCK Signal tra...

Page 10 - -4. AUTO CHANGE OVER ··· AUTO MODE OPERATION; When unit starts the operation with AUTO operation from off:

10 8-2. DRY ( ) OPERATION (1) Press OPERATE/STOP (ON/OFF) button. POWER lamp of the indoor unit turns on with a beep tone. (2) Select DRY mode with OPERATION SELECT button.(3) The set temperature is determined from the initial room temperature. 1. Coil frost prevention Coil frost prevention is as sa...

Page 14 - Lighted; Daytime

14 Indoor unit installation location and air-conditioning area ·Be sure to set the slide switch inside the remote controller to an appropriate position in accordance with the installed position of the indoor unit. If the switch is not set correctly, the air conditioner may not function properly.(Ref...

Page 16 - PROGRAM TIMER; Do not press EMERGENCY OPERATION switch during normal operation.

16 (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 timer of the set time that is reached first will operate first.• “ ” and “ ” display shows the order of OFF timer and ON timer operation. PROGRAM TI...

Page 18 - bursting and discoloration.; How to replace batteries; Lead wiring; TROUBLESHOOTING; RESET button; Press RESET button with a thin instrument, and

18 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 w...

Page 19 - Outline of the function

19 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 repai...

Page 20 - Indoor unit failure mode table

20 2. Indoor unit failure mode table POWER Abnormal point (Failure mode) Condition Remedy Not lighted Normal — — 1-time fl ash every 0.5-second Room temperature thermistor The room temperature thermistor short or open circuit is detected every 8 seconds during op-eration. Refer to the characteristic...

Page 24 - A Check of indoor fan motor

24 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 fl ow fan? Yes No Remove the foreign matter and adjust the line fl ow...

Page 26 - C Check of indoor electronic control P.C. board and indoor fan motor

26 C Check of indoor electronic control P.C. board and indoor fan motor Turn OFF the power supply.Remove indoor fan motor connector CN211, vane motor connector CN151 and the i-see Sensor motor connector CN110 from the indoor electronic control P.C. board and turn ON the power supply. Does the unit o...

Page 27 - D How to check miswiring and serial signal error

27 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 each...

Page 28 - E Electromagnetic noise enters into TV sets or radios

28 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., or is the distance between the antennas and the outdoor unit within 9.91 ft.? No Extend the distance between the antenn...

Page 31 - Turn OFF power supply before disassembling.; OPERATING PROCEDURE; Removing the panel; (1) Hold both sides of the front panel and lift the front panel; DISASSEMBLY INSTRUCTIONS; (1) Slide the sleeve and check if there is a locking lever or not.; Photo 1; Screws of the panel

31 MSZ-FE09NA MSZ-FE12NA NOTE: Turn OFF power supply before disassembling. OPERATING PROCEDURE PHOTOS 1. Removing the panel (1) Hold both sides of the front panel and lift the front panel until it is level. Pull the hinges forward to remove the front panel. (2) Remove the horizontal vanes.(3) Remove...

Page 32 - Photo 4

32 OPERATING PROCEDURE PHOTOS 2. Removing the electronic control P.C. board, the power monitor receiver P.C. board, i-see Sensor, SW P.C. board and the terminal block (1) Remove the panel (Refer to 1.) and the corner box.(2) Remove the screw of the conduit cover. Remove the con- duit cover and the i...

Page 34 - Removing the horizontal vane motor; pull out the horizontal vane motor unit.; Removing the indoor fan motor and the line flow fan; (9) Remove the screws fixing the left side of the heat exchang-; Photo 8; Screws of the horizontal vane motor unit; Photo 9; Motor band

34 OPERATING PROCEDURE PHOTOS 6. Removing the horizontal vane motor (1) Remove the nozzle assembly. (Refer to 4.)(2) Remove the screws of the horizontal vane motor unit, and pull out the horizontal vane motor unit. (3) Remove the screws of the horizontal vane motor unit cover.(4) Remove the horizont...

Page 36 - TM

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN © Copyright 2009 MITSUBISHI ELECTRIC CO.,LTDDistributed in Jul. 2009. No. OBH542 5Made in Japan New publication, effective Jul. 2009Specifications subject to change without notice. TM

Mitsubishi Mr.Slim MSZ-FE12NA- User Manual

Table of Contents:

Summary

Other Mitsubishi Models