Mitsubishi Electric MSZ-GE22VA Service Manual
Hide thumbs
Also See for MSZ-GE22VA:
- Operating instructions manual (13 pages) ,
- (11 pages) ,
- Installation manual (4 pages)
Table of Contents
Advertisement
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
SERVICE MANUAL
Models
MSZ-GE22VA -
MSZ-GE25VA -
MSZ-GE35VA -
MSZ-GE42VA -
MSZ-GE50VA -
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
E1
E1
E1
E1
E1
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 6
5. OUTLINES AND DIMENSIONS ························ 7
6. WIRING DIAGRAM ············································ 8
7. REFRIGERANT SYSTEM DIAGRAM ··············· 9
8. SERVICE FUNCTIONS ··································· 10
9. MICROPROCESSOR CONTROL ··················· 12
10. TROUBLESHOOTING ····································· 18
11. DISASSEMBLY INSTRUCTIONS ···················· 32
PARTS CATALOG (OBB515)
www.ilmalämpöpumput.com
• MSZ-GE42/50VA -
has been added.
E1
Please void OBH515 REVISED EDITION-A.
No. OBH515
REVISED EDITION-B
Outdoor unit service manual
MUZ-GE·VA Series (OBH516)
MXZ-A·VA Series (OB377)
MXZ-8A140A (OC316)
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Mitsubishi Electric MSZ-GE22VA
Summary of Contents for Mitsubishi Electric MSZ-GE22VA
-
Page 1: Table Of Contents
Please void OBH515 REVISED EDITION-A. SPLIT-TYPE AIR CONDITIONERS INDOOR UNIT No. OBH515 SERVICE MANUAL REVISED EDITION-B Models MSZ-GE22VA - MSZ-GE25VA - MSZ-GE35VA - MSZ-GE42VA - MSZ-GE50VA - Outdoor unit service manual MUZ-GE·VA Series (OBH516) MXZ-A·VA Series (OB377) -
Page 2: Revision B
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy Revision A: • 11. DISASSEMBLY INSTRUCTIONS has been corrected. 11-6. Photo 9 has been changed. Revision B: • MSZ-GE42/50VA - has been added. www.ilmalämpöpumput.com... -
Page 3: Technical Changes
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy TECHNICAL CHANGES MSZ-GE22VA - MSZ-GE25VA - MSZ-GE35VA - MSZ-GE42VA - MSZ-GE50VA - 1. New model. www.ilmalämpöpumput.com... -
Page 4: Part Names And Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy PART NAMES AND FUNCTIONS MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA Air filter (Catechin air filter) Front panel Air cleaning filter (Anti-Allergy Enzyme Filter, option) Air inlet Heat exchanger Remote controller Air outlet Fan guard... -
Page 5: Specification
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy SPECIFICATION Indoor model MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA Power supply Single phase 230 V, 50 Hz Cooling Power input Heating Cooling 0.22 0.29 0.39 Running current 0.31 0.36 Heating 0.23 Model RC0J40-FK 0.39... -
Page 6: Noise Criteria Curves
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy NOISE CRITERIA CURVES MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA FUNCTION SPL(dB(A)) FUNCTION SPL(dB(A)) FAN SPEED LINE FAN SPEED LINE COOLING COOLING Super High Super High HEATING HEATING NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40... -
Page 7: Outlines And Dimensions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OUTLINES AND DIMENSIONS MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA Unit: mm 11×20 Oblong hole 11×26 Oblong hole Installation plate Air in Wall hole ø65 Indoor unit Installation plate Piping Drain hose Air out Insulation ø35 O.D... -
Page 8: Wiring Diagram
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy WIRING DIAGRAM MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA www.ilmalämpöpumput.com... -
Page 9: Refrigerant System Diagram
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy REFRIGERANT SYSTEM DIAGRAM MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA Unit: mm Refrigerant pipe ø9.52 (GE22/25/35/42) ø12.7 (GE50) (with heat insulator) Indoor coil Indoor thermistor heat RT12 (main) exchanger Flared connection Indoor coil thermistor... -
Page 10: Service Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy SERVICE FUNCTIONS MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA 8-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board. The time will be shortened as follows. (Refer to 10-7.2.) Set time: 1 minute →... - Page 11 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 8-3. 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. “AUTO RESTART FUNCTION” automatically starts operation in the same mode just before the shutoff of the main power.
-
Page 12: Microprocessor Control
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy MICROPROCESSOR CONTROL MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA WIRELESS REMOTE CONTROLLER Signal transmitting section Operation display section OPERATE/STOP FAN SPEED CONTROL button (ON/OFF) button OFF TIMER button OPERATION SELECT button ON TIMER button... - Page 13 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-1. COOL ( ) OPERATION (1) Press OPERATE/STOP (ON/OFF) button. OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone. (2) Select COOL mode with OPERATION SELECT button. (3) Press TEMPERATURE buttons (TOO WARM or TOO COOL button) to select the desired temperature. The setting range is 16 - 31°C.
- Page 14 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy NOTE 2 FOR MULTI SYSTEM AIR CONDITIONER OUTDOOR UNIT: MXZ series Multi system air conditioner can connect two or more indoor units with one outdoor unit. • When you try to operate two or more indoor units with one outdoor unit simultaneously, one for the cooling and the others for heating, the operation mode of the indoor unit that operates earlier is selected.
- Page 15 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy (7) SWING ( ) mode By selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically. (8) Cold air prevention in HEAT operation The horizontal vane position is set to Upward. NOTE: When 2 or more indoor units are operated with multi outdoor unit, even if any indoor unit turns thermostat off, this control doesn’t work in the indoor unit.
- Page 16 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-6. TIMER OPERATION 1. How to set the time (1) Check that the current time is set correctly. NOTE: Timer operation will not work without setting the current time. Initially “0:00” blinks at the current time display of TIME MONITOR, so set the current time correctly with CLOCK SET button.
- Page 17 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-7. i-save ( ) OPERATION 1. How to set i-save operation (1) Press OPERATE/STOP (ON/OFF) button. (2) Select COOL, HEAT or ECONO COOL mode. (3) Press i-save button. (4) Set the temperature, fan speed, and airfl ow direction for i-save operation. NOTE: •...
-
Page 18: Troubleshooting
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy TROUBLESHOOTING MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA 10-1. 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 main unit first with the remote controller, and then after confirming the horizontal vane is closed, turn OFF the breaker and/or disconnect the power plug. - Page 19 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 10-2. 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 (10-4.) disappears, the memorized failure details can be recalled.
- Page 20 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 2. Indoor unit failure mode table Upper lamp of OP- Abnormal point ERATION INDICA- Condition Correspondence (Failure mode) TOR lamp 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-...
- Page 21 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 10-3. INSTRUCTION OF TROUBLESHOOTING Start Indoor unit operates. Indoor unit oper- Indoor unit does OPERATION INDICATOR Outdoor unit does ates. not receive the lamp on the indoor unit is not operate normally. signal from re- Outdoor unit fl...
-
Page 22: Troubleshooting Check Table
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 10-4. 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. - Page 23 fi rst has manual. setting not operate. the priority. 10-5. TROUBLE CRITERION OF MAIN PARTS MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA Part name Check method and criterion Figure Measure the resistance with a tester. Room temperature thermistor (RT11) Refer to 10-7.
-
Page 24: Troubleshooting Flow
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 10-6. TROUBLESHOOTING FLOW A Check of indoor fan motor The indoor fan motor error has occurred, and the indoor fan does not operate. Turn OFF the power supply. Pay enough 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. - Page 25 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 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.
- Page 26 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy C Check of indoor P.C. board and indoor fan motor Turn OFF the power supply. Remove indoor fan motor connector CN211 from indoor power P.C. board and vane Measure the resistance of indoor fan Short circuit: motor connector CN151 from the indoor motor.
- Page 27 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy D How to check miswiring and serial signal error Turn OFF the power supply. Is there rated voltage in the Check the power supply. power supply? Turn ON the power supply. Is there rated voltage between outdoor terminal block S1 and Check the wiring.
- Page 28 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy E Check of installation of the horizontal vane Turn OFF the power supply. Re-lock the stopper of the hori- Is the stopper of the horizontal vane Turn ON the zontal vane to the indoor unit. locked to the indoor unit correctly? power supply.
- Page 29 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy F Electromagnetic noise enters into TV sets or radios Is the unit earthed? Earth the unit. Is the distance between the antennas Extend the distance between the antennas and and the indoor unit within 3 m, or is the the indoor unit, and/or the antennas and the distance between the antennas and the outdoor unit.
- Page 30 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 10-7. Test point diagram and voltage 1. Indoor power P.C. board, Indoor terminal P.C. board MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA Indoor terminal P.C. board Indoor power P.C. board Varistor (NR11) Resistor (R111) Fuse (F11)( )
- Page 31 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 2. Indoor electronic control P.C. board Timer short mode point JPG JPS (Refer to 8-1.) Room temperature thermistor RT11 (CN111) Indoor coil thermistor RT12, RT13 (CN112) Interlock switch (FAN) (CN1R1) Vane motor (CN151) Room temperature thermistor (RT11) Indoor coil thermistor (RT12, RT13) Connector to...
-
Page 32: Disassembly Instructions
Pull the terminal while pull out the terminal pushing the locking slowly. Locking lever lever. Connector MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA NOTE: Turn OFF power supply before disassembling. OPERATING PROCEDURE PHOTOS 1. Removing the panel Photo 1 (1) Remove the horizontal vanes. - Page 33 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS 2. Removing the indoor electronic control P.C. Photo 2 Electrical box Earth wire 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.
- Page 34 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS 4. Removing the nozzle assembly Photo 4 (1) Remove the panel (refer to 1.) and the corner box. (2) Remove the indoor/outdoor connecting wire. (Refer to (3) Remove the indoor electronic control P.C. board hold- (4) Disconnect the following connectors: <Indoor electronic control P.C.
- Page 35 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS 6. Removing the indoor fan motor, the indoor coil Photo 6 thermistor, and the line flow fan (1) Remove the panel (refer to 1.) and the corner box. (2) Remove the indoor electronic control P.C. board hold- er, the electrical box and the nozzle assembly.
- Page 36 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN © Copyright 2008 MITSUBISHI ELECTRIC CO.,LTD Distributed in Dec. 2008. No. OBH515 REVISED EDITION-B 5 Distributed in Sep. 2008. No. OBH515 REVISED EDITION-A 5 New publication, effective Dec.