Mitsubishi Electric MSZ-FD50VA-E1 User manual

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············································ 7
7. REFRIGERANT SYSTEM DIAGRAM ··············· 8
8. SERVICE FUNCTIONS ····································· 9
9. MICROPROCESSOR CONTROL ····················11
10. TROUBLESHOOTING······································20
11. DISASSEMBLY INSTRUCTIONS·····················36
SPLIT-TYPE AIR CONDITIONERS
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Outdoor unit service manual
MUZ-FD·VA(H) Series (OBH489)
MUZ-FD·VABH Series (OBH519)
MXZ-A·VA Series (OB377)
MXZ-8A140A (OC316)
SERVICE MANUAL
Models
No. OBH488
REVISED EDITION-C
INDOOR UNIT
PARTS CATALOG (OBB488)
Revision C:
• MSZ-FD•VA(S)- E2 has been added.
Please void OBH488 REVISED EDITION-B.
MSZ-FD25VA - E1 ,E2
MSZ-FD25VAS - E1 ,E2
MSZ-FD35VA - E1 ,E2
MSZ-FD35VAS - E1 ,E2
MSZ-FD50VA - E1 ,E2
MSZ-FD50VAS - E1 ,E2

2
Revision A:
• 3. SPECIFICATION has been corrected.
• 10-5. TROUBLE CRITERION OF MAIN PARTS has been corrected.
Revision B:
• MSZ-FD50VA(S)- E1 has been added.
Revision C:
• MSZ-FD•VA(S)- E2 has been added.

3
MSZ-FD25VA - E1 MSZ-FD25VAS - E1
MSZ-FD35VA - E1 MSZ-FD35VAS - E1
MSZ-FD50VA - E1 MSZ-FD50VAS - E1
1. New model
TECHNICAL CHANGES
1
MSZ-FD25VA(S) - E1 →MSZ-FD25VA(S) - E2
MSZ-FD35VA(S) - E1 →MSZ-FD35VA(S) - E2
MSZ-FD50VA(S) - E1 →MSZ-FD50VA(S) - E2
1. Remote controller has been changed. (KM08A →KM09D)

4
ACCESSORIES
Installation plate 1
Installation plate fixing screw 4 × 25 mm 5
Remote controller holder 1
Fixing screw for 3.5 × 1.6 mm (Black) 2
Battery (AAA) for remote controller 2
Wireless remote controller 1
Felt tape (Used for left or left-rear piping) 1
MSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VAS MSZ-FD50VA MSZ-FD50VAS
Fan
Fan guard
i-see Sensor
Air inlet
Air filter
Plasma deodorizing filter
Plasma electrode unit
Plasma anti-allergy
enzyme filter
Air outlet
Horizontal vane Vertical vane
Heat exchanger
Emergency operation switch
Remote controller
Remote control
receiving section
AREA lamp POWER lamp CLEAN lamp PLASMA lamp
Operation Indicator
lamp
Front panel
AREA lamp indicates AREA setting
In AREA setting, the horizontal air flow
direction changes automatically according to
the detection of i-see Sensor which detects
the floor/wall temperature to air-condition the
room evenly.
i-see control operation
i-see Sensor constantly measure
floor/wall temperature to automatically
adjust to the set temperature by
estimating the temperature actually
perceived by a person inside the room
(“sensible temperature”).
PART NAMES AND FUNCTIONS
2

5
Indoor model MSZ-FD25VA
MSZ-FD25VAS
MSZ-FD35VA
MSZ-FD35VAS
MSZ-FD50VA
MSZ-FD50VAS
Power supply Single phase
230 V, 50 Hz
Electrical data
Power input 1 Cooling W26 28 60
Heating 31 33
Running current 1 Cooling A0.25 0.27 0.53
Heating 0.30 0.32
Fan motor
Model RC0J40-GF
Current 1 Cooling A0.25 0.27 0.53
Heating 0.30 0.32
Dimensions W×H×D mm 798 × 295 × 257
Weight kg 12
Color
FD25VA
PURE WHITE
FD35VA
PURE WHITE
FD50VA
PURE WHITE
FD25VAS
SILVER
FD35VAS
SILVER
FD50VAS
SILVER
Special remarks
Air direction 4
Airflow
Cooling
Super High
m3/h
672 888
High 516 672
Med 378 534
Low 276 378
Heating
Super High 726 750 888
High 552 672
Med 402 534
Low 270 282 330
Sound level
Cooling
Super High
dB(A)
42 43 52
High 36 45
Med 29 39
Low 20 21 29
Heating
Super High 43 44 50
High 36 43
Med 29 37
Low 20 21 27
Fan speed
Cooling
Super High
rpm
1,190 1,500
High 950 1,200
Med 740 1,000
Low 580 760
Heating
Super High 1,270 1,300 1,500
High 1,010 1,200
Med 780 1,000
Low 570 590 680
Fan speed regulator 4
Remote controller model E1 : KM08A / E2 : KM09D
NOTE: Test conditions are based on ISO 5151.
Cooling: Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Outdoor Dry-bulb temperature 35°C
Heating: Indoor Dry-bulb temperature 20°C
Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C
1 Measured under rated operating frequency.
Specifications and rating conditions of main electric parts
Fuse (F11) 250 V 3.15 A
i-see Sensor motor (MT) MP20Z 12 VDC 300 Ω(at 25°C)
Horizontal vane motor (MV1) MSFBC20C29 12 VDC 350 Ω(at 25°C)
Vertical vane motor (MV2) MSBPC20M11 12 VDC 300 Ω(at 25°C)
Varistor (NR11) S10K320E3K1
i-see Sensor (RR) A2TPMI 23A FOV50 OBA060 P8L1 J4S
Terminal block (TB) 3P
SPECIFICATION
3