Mitsubishi MCFH-13NV User manual

SERVICE MANUAL
FLOOR AND CEILING TYPE AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································3
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES·······························7
5. OUTLINES AND DIMENSIONS ·························8
6. WIRING DIAGRAM ············································9
7. REFRIGERANT SYSTEM DIAGRAM··············14
8. PERFORMANCE CURVES······························16
9. MICROPROCESSOR CONTROL ····················32
10. SERVICE FUNCTIONS·····································41
11. TROUBLESHOOTING······································42
12. DISASSEMBLY INSTRUCTIONS·····················55
13. PARTS LIST······················································63
14. OPTIONAL PARTS···········································70
Wireless type
Models
MCFH-13NV- (WH) ·MUCFH-13NV-
MCFH-18NV- (WH) ·MUCFH-18NV-
MCFH-24NV- (WH) ·MUCFH-24NV- E3E3
E3E3
E4E4
No. OB267
(When installed on the ceiling)
(When installed on the floor)
This Service manual OB212 deals with MCFH-13/18/24/NV-E1,
MUCFH-13/18/24/NV-E1, MCFH-13/18/24/NV-E2 and MUCFH-
13/18/24/NV-E2 in OB196 REVISED EDITION A issued in
September in 1997.
Therefore, please refer to OB212, not to OB196 REVISED EDI-
TION A, for the above models.
WAs for parts lists, all sub number’s series are included.
OB267--1.qxp 01.4.13 0:48 PM Page 1

OB267--1.qxp 01.4.13 0:48 PM Page 2

3
TECHNICAL CHANGES
1
PART NAMES AND FUNCTIONS
INDOOR UNIT
MCFH-13NV -
MCFH-18NV -
MCFH-24NV - E3
E3
E4
(When installed on the floor)
(When the air inlet grille is opened.)
Deodorizing filter
(gray sponge type)(option)
Air filter
Air inlet
Operation section
Air cleaning filter
(white bellows type)(option)
Front panel
Receiving section
Operation indicator lamp
Horizontal vane
Vertical vane
Emergency
operation switch
(When installed on the ceiling)
ACCESSORIES
Item
Installation plate
Unit fixing screw
5 o12mm
Wireless remote
controller
Remote controller
mounting hardware
Fixing screw for
3.5 o16mm (Black)
Battery (AAA) for
remote controller
Drain hose
Drain pipe cover
Knockout cover
Screw for 4 o10mm
2
2
1
1
2
2
1
1
1
2
Q'ty
Remote controller
2
MCFH-13NV- · MUCFH-13NV- ➔MCFH-13NV- · MUCFH-13NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
MCHF-18NV- · MUCFH-18NV- ➔MCFH-18NV- · MUCFH-18NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
MCFH-24NV- · MUCFH-24NV- ➔MCFH-24NV- · MUCFH-24NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
2. Ball valve has changed to stop valve.
3. Deicer P.C. board has changed.
E3E3E2E2
E3E3E2E2
E4E4E3E3
OB267--1.qxp 01.4.13 0:48 PM Page 3

4
MUCFH-18NV - E3
Air inlet
Air outlet
Drain outlet
Piping
Drain hose
MUCFH-24NV - E3
Air inlet
Air outlet
OUTDOOR UNIT
MUCFH-13NV - E4
Air inlet
Piping
Drain hose
Air outlet
Drain outlet
(back and side)
OB267--1.qxp 01.4.13 0:48 PM Page 4

5
ON/OFF
TOO
COOL
PM
AM
TOO
WARM
ON/OFF
FAN
TOO
WARM TOO COOL
VANE
MODE
STOP
START
HR.
MIN.
I FEEL COOL
HEAT
DRY
PM
CLOCK
AM
RESET CLOCK
Open the front lid.
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF)button
TEMPERATURE buttons
OPERATION SELECT button
FAN SPEED CONTROL button
OFF-TIMER button
HR. button
MIN. button
(TIME SET button)
ON-TIMER button
RESET button
VANE CONTROL button
CLOCK SET button
MCFH-13NV -
MCFH-18NV -
MCFH-24NV - E3
E3
E4
REMOTE CONTROLLER
OB267--1.qxp 01.4.13 0:48 PM Page 5

SPECIFICATION
6
3
Indoor model
Function
Power supply
Capacity
Air flow(High)
Dehumidification
Power outlet
Running current
Power input
Auxiliary heater
Power factor
Starting current
Fan motor current
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Air direction
Sound level (High)
Fan speed (High)
Fan speed regulator
Thermistor RT11(at25:)
Thermistor RT12(at25:)
Outdoor model
Air flow
Compressor motor current
Fan motor current
Model
Output
Winding
resistance(at20:)
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Sound level(High)
Fan speed(High)
Fan speed regulator
Refrigerant filling
capacity(R22)
Refrigerating oil (Model)
Thermistor RT61(at0:)
Thermistor RT63(at0:)

kW
K/h
L/h
A
A
W
A(kW)
%
A
A


"
mm
kg
dB
rpm
k"
k"
K/h
A
A
W
"


"
mm
kg
dB
rpm
kg
cc
k"
k"
Electrical data
Fan motor
Special remarks
Compressor
Electrical data
Fan motor
Special remarks
Capacity
Coefficient of performance(C.O.P)
Capacity
MCFH-13NV- E4 MCFH-18NV- E3 MCFH-24NV- E3
MUCFH-13NV- E4 MUCFH-18NV- E3 MUCFH-24NV- E3
Cooling
3.7
1.5
6.2 - 6.4
1,310 - 1,400
-
96 - 91
0.30
2.82 - 2.64
5.54 - 5.72
0.36
Heating
4.0
-
5.4 - 5.8
1,130 - 1,220
-
95 - 88
0.30
3.54 - 3.28
4.74 - 5.12
0.38
780
10
35 - 38
RB4V25-AB
WHT-BLK 182.2 BLK-YLW 68.9
YLW-BLU 47.5 BLU- BRN 31.5
BRN-RED 22.9
26
5
46 - 47
1,220 - 1,260
3
10
10
RH-231VHAT
1,100
C - R 2.11 C - S 3.97
RA6V33-CA
WHT-BLK 176.0
BLK-RED 413.0
780 ✕ 540 ✕ 255
38
49 - 49
700 - 740
1
1.35
520 (MS56)
33.18
—
Cooling
5.0
2.6
9.3 - 9.0
2,030 - 2,120
-
99 - 98
0.36
2.46 - 2.36
8.55 - 8.25
0.39
Heating
5.4
-
5.4 - 5.8
1,910 - 2,010
-
98 - 97
0.36
2.83 - 2.69
8.15 - 7.85
0.39
Single phase
220 - 240 V, 50Hz
840
15
52 - 58
RB4V36-AB
WHT-BLK 82.9 BLK-YLW 65.6
YLW-BLU 36.0 BLU- BRN 27.0
BRN-RED 13.7
1100 ✕ 650 ✕ 180
26
5
48 - 48
1,310 - 1,330
3
10
10
NH-36VMDT
1,700
C - R 1.20 C - S 2.70
RA6V50-OG
WHT-BLK 116.4
BLK-RED 111.0
850 ✕ 605 ✕ 290
59
52 - 52
810 - 845
1
1.80
1,200 (MS32N1)
33.18
—
Cooling
6.0
3.1
12.5 - 11.7
2,720 - 2,750
-
99 - 98
0.36
2.21 - 2.18
11.56 - 10.76
0.58
Heating
6.2
-
11.7 - 11.3
2,540 - 2,650
-
99 - 98
0.36
2.44 - 2.34
10.76 - 10.36
0.58
840
15
59 - 59
RB4V36-AB
WHT-BLK 82.9 BLK-YLW 65.6
YLW-BLU 36.0 BLU- BRN 27.0
BRN-RED 13.7
26
5
48 - 48
1,310 - 1,330
3
10
10
NH-47VMDT
2,200
C - R 0.96 C - S 2.07
RA6V85-AA
WHT-BLK 62.7 BLK-YLW 30.2
BLK-RED 62.9
870 ✕ 850 ✕ 295
72
53 - 53
720 - 750
2
2.40
1,200 (MS32N1)
33.18
33.18
NOTE:Test conditions are based on ISO 5151
Cooling : Indoor DB27°C WB19°C Heating : Indoor DB20°C WB 15°C
Outdoor DB35°C WB(24°C) Outdoor DB 7°C WB 6°C
OB267--1.qxp 01.4.13 0:48 PM Page 6

7
NOISE CRITERIA CURVES
4
MCFH-13NV - E4 MUCFH-13NV - E4
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : DB 27: WB 19:\ 
Heating : DB 20: WB 15:
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
46-47
SPL(dB(A)) LINE
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : DB 35: WB (24:)
Heating : DB 7: WB 6:
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
SPEED
49-49
SPL(dB(A)) LINE
High
MCFH-18NV - E3 MUCFH-18NV - E3
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : DB 27: WB 19:\ 
Heating : DB 20: WB 15:
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
48-48
SPL(dB(A)) LINE
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
Test conditions,
Cooling : DB 35: WB (24:)
Heating : DB 7: WB 6:
High
SPEED
52-52
SPL(dB(A)) LINE
OB267--1.qxp 01.4.13 0:48 PM Page 7

8
MCFH-24NV - E3 MUCFH-24NV - E3
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : DB 27: WB 19:\ 
Heating : DB 20: WB 15:
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
SPEED
48-48
SPL(dB(A)) LINE
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
Test conditions,
Cooling : DB 35: WB (24:)
Heating : DB 7: WB 6:
High
SPEED
53-53
SPL(dB(A)) LINE
(When installed on the floor)
(When installed on the ceiling)
50cm or more
50cm or more
50cm or more
50cm or more
100cm or more
650 616.5
80.8 906 112.8
114
16
1100
93
77
113 143
180
17042.5
12.7 (MCFH-13)
15.88 (MCFH-18/24)
Gas line
6.35 (MCFH-13/18)
9.52 (MCFH-24)
Liquid line
Wireless remote controller
162
19
58
OUTLINES AND DIMENSIONS
5
INDOOR UNIT
MCFH-13NV -
MCFH-18NV -
MCFH-24NV - E3
E3
E4 Unit: mm
OB267--1.qxp 01.4.13 0:48 PM Page 8

9
OUTDOOR UNIT
350
Drainage
3holes 33
35
248
20
290 310 345
10cm or more
10cm or more
10cm or more
50cm or more
35cm or more
If the right/left sides or
back side is vacant,the
front has only to be 50cm
unobstructed.
If the front or right/left sides
are vacant, the top has only
to be 10cm unobstructed.
320
25
43-
35-
155
90
104
74
260
10
780
500
122
40
540
320 285 255
Service panel
Gas refrigerant
pipe joint
Refrigerant pipe
(flared) [12.7
Liquid refrigerant
pipe joint
Refrigerant pipe
(flared) [6.35
Airout
Air in
Air in
109 32
110
147
Drainage
3holes [33
MUCFH-18NV - E3
605
29220
50 133 500 161
850 74
30
100
157
35
30
Service panel
Liquid refrigerant
pipe joint
Refrigerant pipe
(flared)
Gas refrigerant
pipe joint
Refrigerant pipe
(flared)
6.35
15.88
MUCFH-13NV - E4
OUTDOOR UNIT
If clearance
behind the outdoor
unit is only 40B or 50B
side Amust be
fully open.
10cm or more
10cm or more
10cm or more
Outdoor
unit
35cm or more
REQUIRED SPACE
A
40cm or more
Unit: mm
OB267--1.qxp 01.4.13 0:48 PM Page 9

10
100 10
1000For 10 units or less
200
Outdoor Unit-Necessary surrounding clearance
(Concentrated installation) The upper side must be open.
Outdoor Unit-Necessary surrounding clearance
200
10
10
10Note:Allow adequate
upper clearance
150
500
500 Service space
Front opening
Handle
for moving
138
95 Rear piping hole
23 33
Rear fresh
air intake
Side air intake
724
295
Outlet guide
installation hole
302
Air intake
Air intake
Air outlet
870
185 185
500
330 362 1715 39.5 27.5
Terminal block for indoor and outdoor unit connection
Handle for moving
179 524
441
445
450
468
553850
40 60524
Service panel
Refrigerant-pipe flared
connection [15.88
Refrigerant-pipe flared
connection [9.52
Knock out hole
for front piping
(refrigerant,drainage
and wiring)
Knock out hole
for right piping
(refrigerant,drainage
and wiring)
60
120
4553
Knock out holes for
power line 2-[27
25 max.
Standard bolt length
R20
R20
65
Front right piping holes-
detail figures
80
42 45
17
12
R6
104 33
Bottom
piping hole
2-U-shaped
notched
holes
Drain hole
Drain hole
2-12o23 Oval holes
(standard bolt M10)
Handle for moving
MUCFH-24NV - E3 Unit: mm
OB267--1.qxp 01.4.13 0:48 PM Page 10