Mitsubishi MXZ-A26- User Manual

Page 3 - PART NAMES AND FUNCTIONS; INDOOR UNIT; TECHNICAL CHANGES

3 PART NAMES AND FUNCTIONS 2 INDOOR UNIT MSC-A07YV -MSC-A09YV -MSC-A12YV - E1 E1 E1 Emergency operation switch Fan Catechin air filter(With deodorizer) Air outlet Vertical vanes Air inlet to Breaker Remote controlreceiving section Display section Air cleaning filter(white bellows type) Front panel P...

Page 4 - ACCESSORIES; VANE CONTROL button; REMOTE CONTROLLER

4 ACCESSORIES MSC-A07YV-MSC-A09YV-MSC-A12YV- E1 E1 E1 Installation plate Installation plate fixing screw 4 o 25 mm Remote controller holder Fixing screw for 3 3.5 o 16 mm Battery (AAA) for remote controller Wireless remote controller Felt tape (Used for left or left-rear piping) Air cleaning filter ...

Page 5 - SPECIFICATION

5 SPECIFICATION 3 Indoor model Function Indoor unit power supply Air flow(High/Med. /Low ) Power outletRunning currentPower inputPower factorFan motor currentModelWinding resistance(at 20 : ) Dimensions W O H O D WeightAir directionSound level(High/Med. /Low )Fan speed(High/Med. /Low )Fan speed regu...

Page 6 - NOISE CRITERIA CURVES

6 NOISE CRITERIA CURVES 4 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz Test conditions, Cooling : DB27 : WB19 ...

Page 7 - OUTLINES AND DIMENSIONS; Wireless remote controller; Wireless remote controller

7 OUTLINES AND DIMENSIONS 5 MSC-A07YV -MSC-A09YV - E1 E1 INDOOR UNIT 244 242 5 7 or more 90 110 30 149 606 278 60 815 783 Power supply cordLead to right 1.0mLead to left 0.3m Air out Installation plate Insulation [ 28 Drain hose [ 16 (Connected part O,D) Air in Liquid line [ 6.35-0.5m Gas line [ 9.5...

Page 8 - REFRIGERANT SYSTEM DIAGRAM; WIRING DIAGRAM; MODELS WIRING DIAGRAM

8 REFRIGERANT SYSTEM DIAGRAM 7 MSC-A07YV - MSC-A09YV - E1 E1 MSC-A12YV - E1 INDOOR UNIT INDOOR UNIT Indoorheatexchanger Room temperaturethermistorRT11 Refrigerant pipe [ 9.52 (with heat insulator) Unit:mm Refrigerant pipe [ 12.7 (with heat insulator) Refrigerant pipe [ 6.35 (with heat insulator) Roo...

Page 9 - MICROPROCESSOR CONTROL; WIRELESS REMOTE CONTROLLER; lighted; Operation Indicator lamp; INDOOR UNIT DISPLAY SECTION; Indoor fan speed control; Thermostat control

9 MICROPROCESSOR CONTROL 8 ON/OFF FAN TOO WARM TOO COOL VANE MODE ECONO COOL STOP START HR. MIN. I FEEL COOL DRY P M C L O C K A M RESET CLOCK HEAT /FAN / Open the front lid. ON/OFF TOO COOL P M A M TOO WARM Signal transmitting section Operation display section OPERATE /STOP (ON /OFF)button TEMPERAT...

Page 13 - more than

13 Mode COOL mode of "I FEEL CONTROL" DRY mode of "I FEEL CONTROL" HEAT mode of "I FEEL CONTROL" Initial room temperature Initial set temperature 26 : 26 : or more 25 : or more, less than 26 : 23 : or more, less than25 : 24 : Initial room temperatureminus 2 : Initial room tem...

Page 16 - PROGRAM TIMER; OPERATION INDICATOR lamp

16 EMERGENCY OPERATION switch PROGRAM TIMER (Example 1) The current time is 8:00 PM. The unit turns off at 11:00 PM, and on at 6:00 AM. ● The OFF timer and ON timer can be used in combination. ● “ ” and “ ” display shows the order of the OFF timer and ON timer operation. P M A M (Example 2) The curr...

Page 17 - SERVICE FUNCTIONS; How to modify the remote controller P.C. board; Table 1; Remote controller model : KP1A

17 SERVICE FUNCTIONS 9 9-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION 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 bemodified according...

Page 19 - TROUBLESHOOTING

19 TROUBLESHOOTING 10 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) If the electr...

Page 21 - Self check table

21 10-3. Troubleshooting check table Operation Indicator · Flashing of the OPERATION INDICATOR lamp (on the left-hand side) indicates possible abnormalities.· The OPERATION INDICATOR lamp (on the left-hand side) is lighting during normal operation. flashing • The following indication does not depend...

Page 22 - Check of indoor fan motor; When OPERATION INDICATOR lamp flashes 3-time.

22 A A Check of indoor fan motor Is soldered point of the connector correctly soldered? Is resistance 0 (short circuit) or ∞ (open circuit)? Yes ( 0 or ∞ ) Yes No Yes No Turn OFF the power supply.Check connector CN211 visually. Disconnect lead wires from connector CN211 on indoor electronic control ...

Page 24 - How to check mis-wiring and serial signal error

24 D D How to check mis-wiring and serial signal error Mis-wiring is indicated.(0.5-sec. ON, 0.5-sec. OFF) 1. Turn OFF the power supply (indoor / outdoor unit) and disconnect indoor and outdoor connecting wire on indoor side. 2. Short-circuit between indoor terminal block N and 3 . 3. Turn ON the po...

Page 26 - DISASSEMBLY INSTRUCTIONS; OPERATING PROCEDURE; Removing the front panel; NOTE : In case of removing only indoor electronic control; Photo 2

26 DISASSEMBLY INSTRUCTIONS 11 MSC-A07YV - MSC-A09YV - MSC-A12YV - INDOOR UNIT E1 E1 E1 (1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector is a terminal with lock mechanism 1 Slide the sleeve. 2 Pull the terminal while pushing the locking lever. 1...

Page 28 - PARTS LIST; Symbol

28 PARTS LIST 12 1 2345 6 78 9 E02 749 234E02 751 234E02 829 000E02 749 067E02 829 010E02 408 142E02 763 100E02 764 100 E02 749 975E02 408 970E02 751 970 BOX(WH)BOX(WH)PANEL ASSEMBLY(WH)SCREW CAP(WH)FRONT PANEL(WH)CATCHCATECHIN AIR FILTERCATECHIN AIR FILTERAIR CLEANING FILTERCORNER BOX (RIGHT)INSTAL...

Page 29 - AND FUNCTIONAL PARTS

29 Part No. No. Part Name 21 22 23 INDOOR HEAT EXCHANGERINDOOR HEAT EXCHANGERUNION(GAS)UNION(GAS)UNION(LIQUID) 1 1 1 1 11 { 9.52 { 12.7 { 6.35 1 1 1 E02 001 504E02 661 702E02 749 235E02 749 040E02 749 041E02 127 382E02 829 385E02 763 034E02 749 468E02 829 452E02 830 452E02 831 452E02 749 303E02 151 ...

C C Copyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Dec. 2003. No.OB329 6Made in Japan New publication, effective Dec. 2003Specifications subject to change without notice. HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN OB329-1.qxp 03.12....

Mitsubishi MXZ-A26- User Manual

Table of Contents:

Summary

Other Mitsubishi Models