Mitsubishi MSZ-BT50VGK Bruksanvisning
Mitsubishi
Luftkonditionering
MSZ-BT50VGK
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INDOOR UNIT
Outdoor unit service manual
MUZ-BT∙VG Series (OBH850)
MXZ-F∙VF Series (OBH890)
PARTS CATALOG (OBB849)
CONTENTS
1. TECHNICAL CHANGES ······························2
2. PART NAMES AND FUNCTIONS ··················3
3. SPECIFICATION 4 ········································
4. NOISE CRITERIA CURVES 5 ··························
5. OUTLINES AND DIMENSIONS ·····················6
6. WIRING DIAGRAM ····································· 7
7. REFRIGERANT SYSTEM DIAGRAM 9 ·············
8. SERVICE FUNCTIONS 10 ······························
9. MICROPROCESSOR CONTROL ················ 13
10. TROUBLESHOOTING ······························· 17
11. DISASSEMBLY INSTRUCTIONS ················· 31
SERVICE MANUAL
MSZ-BT25VG/VGK
No. OBH849
REVISED EDITION-B
OBH849 REVISED EDITION-A is void.
Revision B:
• MSZ-BT20/25/35/50VGK - E1 , ET1
have been added.
Models
MSZ-BT20VG
- E1 , ER1 , ET1 MSZ-BT20VGK - E1 , ET1
MSZ-BT25VG
- E1 , ER1 , ET1 MSZ-BT25VGK - E1 , ET1
MSZ-BT35VG
- E1 , ER1 , ET1 MSZ-BT35VGK - E1 , ET1
MSZ-BT50VG
- E1 , ER1 , ET1 MSZ-BT50VGK - E1 , ET1

2
Use the specied refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or re when the unit is being used, serviced, or disposed of.
Correct refrigerant is specied in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
TECHNICAL CHANGES
1
MSZ-BT20VG - E1 , ER1 , ET1
MSZ-BT25VG - E1 , ER1 , ET1
MSZ-BT35VG - E1 , ER1 , ET1
MSZ-BT50VG - E1 , ER1 , ET1
MSZ-BT20VGK - E1 , ET1
MSZ-BT25VGK - E1 , ET1
MSZ-BT35VGK - E1 , ET1
MSZ-BT50VGK - E1 , ET1
1. New model
<Preparation before the repair service>
Prepare the proper tools.
Prepare the proper protectors.
Provide adequate ventilation.
After stopping the operation of the air conditioner, turn off the power-supply breaker and remove the power plug.
Discharge the capacitor before the work involving the electric parts.
<Precautions during the repair service>
Do not perform the work involving the electric parts with wet hands.
Do not pour water into the electric parts.
Do not touch the refrigerant.
Do not touch the hot or cold areas in the refrigeration cycle.
When the repair or the inspection of the circuit needs to be done without turning o the power, exercise great caution not to
touch the live parts.
Revision A:
• MSZ-BT20/25/35/50VG - ER1 have been added.
Revision B:
• MSZ-BT20/25/35/50VGK - E1 , ET1 have been added.
OBH849B

3
PART NAMES AND FUNCTIONS
2
MSZ-BT20VG MSZ-BT25VG MSZ-BT35VG MSZ-BT50VG
MSZ-BT20VGK MSZ-BT25VGK MSZ-BT35VGK MSZ-BT50VGK
ACCESSORIES
Model
MSZ-BT20VG MSZ-BT20VGK
MSZ-BT25VG MSZ-BT25VGK
MSZ-BT35VG MSZ-BT35VGK
MSZ-BT50VG MSZ-BT50VGK
Installation plate 1
Installation plate xing screw 4 × 25 mm 5
Wireless remote controller 1
Felt tape (For left or left-rear piping) 1
Battery (AAA) for remote controller 2
Remote controller
Operation indicator lamp
Remote control receiving
section
Emergency opera iont switch
Spec name plate
Horizontal vane
Air inlet
Air fi lter
(Air purifying
fi lter)
Air cleaning fi lter
(Silver-ionized
air purifi er fi lter,
option)
Front panel
Air outlet
Heat exchanger
Wi-Fi interface
(Only for MSZ-BT VGK) ·
OBH849B
Produktspecifikationer
Varumärke: | Mitsubishi |
Kategori: | Luftkonditionering |
Modell: | MSZ-BT50VGK |
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