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Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Wireless type
Models
MSZ-GA22VA -
MSZ-GA25VA -
MSZ-GA35VA -
Indication of model name
MSZ-GA22VA -
MSZ-GA25VA -
MSZ-GA35VA -
NOTE:
This service manual describes technical data of the indoor units.
•As for outdoor units MUZ-GA25VA-
and MUZ-GA35VAH-
•As for outdoor units MXZ-3A54VA-
refer to service manual OB377.
(WH)
E1
(WH)
E1
(WH)
E1
E1
E1
E1
, MUZ-GA35VA-
E1
, refer to service manual OB379.
E1
, MXZ-4A71VA-
E1
www.ilmalämpöpumput.com
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES ·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM ················8
8. SERVICE FUNCTIONS ······································9
9. TROUBLESHOOTING······································10
10. DISASSEMBLY INSTRUCTIONS·····················24
11. PARTS LIST······················································27
12. OPTIONAL PARTS···········································30
, MUZ-GA25VAH-
E1
E1
and MXZ-4A80VA-
,
E1
E1
No. OB378
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Related Manuals for Mitsubishi Electric MSZ-GA22VA-E1
Summary of Contents for Mitsubishi Electric MSZ-GA22VA-E1
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Page 1: Table Of Contents
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS No. OB378 SERVICE MANUAL Wireless type Models MSZ-GA22VA - (WH) MSZ-GA25VA - (WH) MSZ-GA35VA - (WH) CONTENTS 1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS······················3 3. SPECIFICATION·················································5 4. -
Page 2: Technical Changes
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy TECHNICAL CHANGES MSZ-A09YV - MSZ-GA22VA - MSZ-A09YV - MSZ-GA25VA - MSZ-A12YV - MSZ-GA35VA - 1. Indication of capacity has been changed.(BTU base kW base) 2. Control method between indoor and outdoor has been changed. 3. -
Page 3: Part Names And Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy PART NAMES AND FUNCTIONS INDOOR UNIT MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - Air inlet Heat exchanger Front panel Panel Air cleaning filter (Optional parts,Anti- Allergy Enzyme Filter, Blue bellows type) Fan guard Catechin air filter Air outlet Vertical vane... -
Page 4: Indoor Unit
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy ACCESSORIES MSZ-GA22VA - INDOOR UNIT MSZ-GA25VA - MSZ-GA35VA - Installation plate Installation plate fixing screw 4 o 25 mm Remote controller holder Fixing screw for 3 3.5 o 1.6 mm (Black) Battery (AAA) for remote controller Wireless remote controller Felt tape (Used for left or left-rear piping) MSZ-GA22VA -... -
Page 5: Specification
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy SPECIFICATION Indoor model MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - Cooling Function Cooling Heating Cooling Heating Heating Single phase Single phase Single phase Power supply 230V,50Hz 230V,50Hz 230V,50Hz Air flow(Super High) K /h Capacity Air flow(High W /Med. -
Page 6: Noise Criteria Curves
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy NOISE CRITERIA CURVES MSZ-GA22VA - MSZ-GA35VA - MSZ-GA25VA - FAN SPEED FUNCTION SPL(dB(A)) LINE FAN SPEED FUNCTION SPL(dB(A)) LINE COOLING COOLING Super High Super High HEATING HEATING Test conditions, Test conditions, Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19: Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19: Heating : Dry-bulb temperature 20: Wet-bulb temperature 15: Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:... -
Page 7: Outlines And Dimensions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy OUTLINES AND DIMENSIONS Unit : mm MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - 11X26 Oblong hole 11X20 Oblong hole INDOOR UNIT Installation plate Air in Wall hole [65 Indoor unit Installation plate Liquid line [6.35-0.5m Gas line [9.52-0.43m Insulation [35 O.D [19 I.D... -
Page 8: Wiring Diagram
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy WIRING DIAGRAM MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - MODELS WIRING DIAGRAM INDOOR UNIT INDOOR ELECTRONIC CONTROL P.C. BOARD RT13 TAB3 230V~ RT12 DB111 T111 TO OUTDOOR UNIT RT11 12-24V NR11 CONNECTING CN201 LD104 CN211 101(A) -
Page 9: Service Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy SERVICE FUNCTIONS MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - 8-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the 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... -
Page 10: Troubleshooting
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. The “AUTO RESTART FUNCTION” sets to work the moment power has restored after power failure. - Page 11 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 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.
- Page 12 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 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 disappears, the memorized failure details can be recalled.
- Page 13 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 2. Indoor unit failure mode table NOTE:Blinking patterns of this mode differs from the ones of Troubleshooting check table(9-4.). Left lamp of Abnormal point OPERATION Detection method Check point (Failure mode) INDICATOR lamp Not lighted Normal –...
- Page 14 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 9-3. Instruction of troubleshooting Start Indoor unit Indoor unit Indoor unit operates. OPERATION INDICATOR operates. doesn't receive Outdoor unit doesn't lamp on the indoor unit is Outdoor unit the signal from operate normally. flashing on and off.
- Page 15 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 9-4. Troubleshooting check table · Flashing of OPERATION INDICATOR lamp (left-hand side lamp) Lighted indicates abnormalities. OPERATION INDICATOR Blinking Not lighted NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table Abnormal Operation indicator lamp...
- Page 16 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy Lighted · Flashing of OPERATION INDICATOR lamp (all lamps) indicates abnormality. OPERATION INDICATOR Blinking Not lighted NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table Abnormal Operation indicator lamp Symptom...
- Page 17 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 9-6. Troubleshooting flow When OPERATION INDICATOR lamp flashes 3-time. Indoor fan does not operate. Check of indoor fan motor The indoor fan motor error has occurred, and the indoor fan doesn't operate. Turn OFF the power supply.
- Page 18 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller. Check of remote controller and receiver P.C. board wCheck if the remote controller is exclusive for this air conditioner. Switch on the remote controller.
- Page 19 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy The unit does not operate with the remote controller. Also, OPERATION INDICATOR lamp does not light up by pressing EMERGENCY OPERATION switch. Check of indoor electronic control P.C. board and indoor fan motor Turn OFF the power supply.
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Page 20: How To Check Mis-Wiring And Serial Signal Error
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy When POWER lamp flashes ON and OFF in every 0.5-second. Outdoor unit does not operate. How to check mis-wiring and serial signal error Turn OFF the power supply. Is there rated voltage of Check the power 230V AC in the power supply. - Page 21 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy When All lamps flash ON and OFF every 0.5-second. Indoor unit and outdoor unit do not operate. Check of installation of the horizontal vane Start Turn OFF the power supply. Relock the stopper of the Is the stopper of the horizontal vane horizontal vane to the indoor unit.
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Page 22: Electromagnetic Noise Enters Into Tv Sets Or Radios
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy Electromagnetic noise enters into TV sets or radios Is the unit earthed? Earth the unit. Is the distance between the Extend the distance between antennas and the indoor the antennas and the indoor unit within 3m, or is the unit, or the antennas and the distance between the... - Page 23 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 9-7. Test point diagram and voltage MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - Indoor electronic control P.C. board Power supply input Varistor (NR11) 230V AC Fuse(F11) Indoor fan motor (CN211) 1311V DC 3(-) Fiducial terminal of cathode side on measur- ing high-voltage DC 415V DC...
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Page 24: Disassembly Instructions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy DISASSEMBLY INSTRUCTIONS <"Terminal with locking mechanism" Detaching points> The terminal which has the locking mechanism can be detached as shown below. There are two types ( Refer to (1) and (2)) of the terminal with locking mechanism. The terminal without locking mechanism can be detached by pulling it out. - Page 25 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS Photo 2 2. Removing the electronic control P.C. board, the power monitor receiver P.C. board, SW P.C. board and the terminal block (1) Remove the horizontal vane, the panel (Refer to 1.) and the corner box.
- Page 26 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS Photo 5 4. Removing the horizontal vane motor unit (1) Remove the horizontal vane and the panel. (Refer to 1.) (2) Remove the screws of the horizontal vane motor unit, and pull out the horizontal vane motor unit.
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Page 27: Parts List
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy PARTS LIST MSZ-GA22VA - (WH) MSZ-GA25VA - (WH) MSZ-GA35VA - (WH) 11-2. ACCESSORY AND REMOTE 11-1. INDOOR UNIT STRUCTURAL PARTS CONTROLLER (See 12.) 11-1. INDOOR UNIT STRUCTURAL PARTS Q'ty/unit Symbol Part No. Part name in Wiring MSZ-GA22VA -... - Page 28 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy MSZ-GA22VA - (WH) MSZ-GA25VA - (WH) MSZ-GA35VA - (WH) 11-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS INTERLOCK SWITCH (FAN) SW P.C. BOARD POWER MONITOR RECEIVER P.C. BOARD VARISTOR FUSE ROOM TEMPERATURE THERMISTOR 11-4.
- Page 29 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy 11-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS Q'ty/unit Symbol in Wiring Part No. Part name MSZ-GA22VA - MSZ-GA25VA - MSZ-GA35VA - Remarks Diagram (WH) (WH) (WH) E02 751 509 BEARING MOUNT E02 001 504 SLEEVE BEARING E02 897 702...
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Page 30: Optional Parts
Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy OPTIONAL PARTS AIR CLEANING FILTER (ANTI-ALLERGY ENZYME FILTER) AIR CLEANING FILTER removes fine dust of 0.01 micron from air by means of static electricity. Normal life of AIR CLEANING FILTER is 1 year. If AIR CLEANING FILTER is to be washed, soak AIR CLEANING FILTER in water (when showing dirt, in lukewarm water) and rinse it delicately, without removing the filter from the frame about once every 3 months. - Page 31 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www.ilmalämpöpumput.com...
- Page 32 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN C C Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD New publication, effective Jan. 2005 Distributed in Jan. 2005. No. OB378 6 Made in Japan Specifications subject to change without notice.