How it Works
Mitsubishi Electric
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SUH-1VR
Service Manual
60 pgs2.41 Mb0

Mitsubishi Electric SUH-1.6VR2, SUH-1VR, SUH-2VR, SUH-1.6VR, SU-1.6NR Service Manual

...
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Outdoor unit [Model names] [Service Ref.]
SUH-1VR SUH-1VR.TH SUH-1.6VR SUH-1.6VR.TH SUH-1.6VR2 SUH-1.6VR2.TH SUH-2VR SUH-2VR.TH SUH-2VR SUH-2.5VR SUH-2.5VR.TH SU-1.6NR SU-1.6NR.TH SU-2NR SU-2NR.TH SU-2.5NR SU-2.5NR.TH SU-1VR SU-1VR.TH SU-1VR.TH-T SU-1.6VR SU-1.6VR.TH SU-1.6VR.TH-T SU-1.6VR2 SU-1.6VR2.TH SU-1.6VR2.TH-T SU-2VR SU-2VR.TH SU-2VR.TH-T
SU-2VR
SU-2.5VR SU-2.5VR.TH SU-2.5VR.TH-T
1
.TH SU-2VR1.TH-T
1
.TH SUH-2VR
No. OC282
REVISED EDITION-B
2
.TH
OUTDOOR UNIT
• SU-1VR.TH-T, SU-1.6VR2.TH-T and SU-2VR1.TH-T has been added.
• Instruction of troubleshooting has been added to pege 29 ans 30.
• Please void OC282 REVISED EDITION-A.
CONTENTS
1. TECHNICAL CHANGES···········································2
2. COMBINATION OF INDOOR OUTDOOR UNITS·····2
3. PART NAMES AND FUNCTIONS·····························3
4. SPECIFICATIONS·····················································4
6. OUTLINES AND DIMENSIONS······························10
7. WIRING DIAGRAM ·················································13
8.
REFRIGERANT SYSTEM DIAGRAM
9. TROUBLESHOOTING ············································28
10. DISASSEMBLY PROCEDURE ·······························32
11. PARTS LIST ····························································48
···························19
1
SEH-1.6AR.TH SEH-1.6AR1.TH SEH-2AR.TH SEH-2.5AR.TH SE-1.6AR.TH SE-1.6AR1.TH SE-2AR.TH SE-2.5AR.TH SE-1.6AR.TH-T SE-1.6AR1.TH-T SE-2AR.TH-T SE-2.5AR.TH-T SLH-1AR.TH SLH-1.6AR.TH SLH-2AR.TH SL-1AR.TH SL-1.6AR.TH SL-2AR.TH SL-1AR.TH-T SL-1.6AR.TH-T SL-2AR.TH-T
VR
— — — — — — —
— — — — — — — — — — — — —
VR2
— — — — —
— — — — — — — — — —
— — — —
VR
— — — — — — — — — — — — — — —
— — — — —
NR
— — — — — — —
— — — — — — — — — — — — —
NR
— — — — — —
— — — — — — — — — — — — — —
NR
— — — —
— — — — — — — — — — — — — — —
VR
— — —
— — — — — — — — — — — — — — — — —
— —
— — — — — — — — — — —
— — — — — —
VR
— —
— — — — — — — — — — — — — — — — — —
VR
— — — — — — — — — — — — — — — — — — — —
VR2
—
— — — — — — — — — — —
— — — — — — —
VR
— — — — — — — — — — —
— — — — — — — — —
VR
— — — — — — — —
— — — — — — — — — — — —
1.6
Service Manual No.
OC281 REVISED EDITION-A
OC280 REVISED EDITION-A
Service Ref.
2 2.5 2.5
1
1.6 2 2.5
1
VR
— — — — — — — — — —
— — — — — — — — — —
2
VR1
— — — — — — — — — —
— — — — — — — — —
2.5
1.6
VR2
— — — — — — — — —
— — — — — — — — —
—
1.6 2
VR
— — — — — — — — — — — —
— — — — — — — —
VR1
— — — — — —
— — — — — — — — — —
— — —
VR
— — — —
— — — — — — — — — — — — — — — —
VR
— — — — — —
— — — — — — — — — — — — — —
VR
— — — — — — — — — — — — — — — — — —
— —
1
Indoor unit
SUH- • .TH
Heat pump type
Outdoor unit
Cooling only type
SU- • .TH SU- • .TH-T
VR1 VR2
TECHNICAL CHANGES
(REVISED EDITION-A) SUH-2VR1.TH SUH-2VR2.TH
● OUTDOOR HEAT EXCHANGER has changed.
● RESTRICTOR VALVE has changed.
● CAPILLARY TUBE has changed.
({4.0X{2.4XL660) ({3.0X{2.0XL250)
2
COMBINATION OF INDOOR OUTDOOR UNITS
2
3
Air intake
Air outlet
Drain outlet
Piping Drain hose
Air inlet
Air outlet
PART NAMES AND FUNCTIONS
SUH-1VR.TH SUH-1.6VR.TH SUH-2VR.TH SUH-2.5VR.TH
SUH-1.6VR2.TH SUH-2VR1.TH
SUH-2VR2.TH
SU-1.6NR.TH SU-2NR.TH SU-2.5NR.TH
SU-1VR.TH SU-1.6VR.TH SU-2VR.TH SU-2.5VR.TH
SU-1.6VR2.TH SU-2VR1.TH
SU-1VR.TH-T SU-1.6VR.TH-T SU-2VR.TH-T SU-2.5VR.TH-T
SU-1.6VR2.TH-T SU-2VR1.TH-T
3
4
SUH-2VR.TH SUH-2VR1.TH SUH-2VR2.TH
Single phase, 220-240V, 50Hz
33.18
NH-38VMDT
1700
C-R: 1.07 C-S: 2.26
RA6V50-OF
WHT-BLK : 116
BLK-RED : 111
28(990)
850 605 290
59 52
810-845
1.8
MS-32(N-1) O 1.2
SUH-2.5VR.TH
NH-47VMDT
2200
C-R: 0.96 C-S: 2.70
RA6V85-AA
45(1590)
870 850 295
72 53
720-750
2
2.4
MS-32(N-1) O 1.2
WHT-BLK : 62.7 BLK-YLW : 30.2 YLW-RED : 62.9
1
Power supply
Service Ref.
W
"
"
m3/min(CFM)
mm mm mm
kg
dB
rpm
kg
R
k"
Compressor
Outdoor fan motor
Dimensions
Width Height Depth
RT61(at 0:)
Weight
Special remarks
Model Output Winding resistance (at 20:) Model
Winding resistance (at 20:)
Airflow
Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R-22) Refrigerant oil Thermistor
Power supply
Service Ref.
W
"
"
m3/min(CFM)
mm mm mm
kg
dB
rpm
kg
R
k"
Compressor
Outdoor fan motor
Dimensions
Width Height Depth
RT61(at 0:)
Weight
Special remarks
Model Output Winding resistance (at 20:) Model
Winding resistance (at 20:)
Airflow
Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R-22) Refrigerant oil Thermistor
SUH-1VR.TH
Single phase, 220-240V, 50Hz
SUH-1.6VR.TH
RH-174VGHT
800
C-R: 3.30 C-S: 5.80
PN6V23-UA
WHT-BLK : 353
BLK-RED : 321
28(990)
780 540 255
33 47
710-760
0.8
MS-56 O 0.30
RH-247VHAT
1200
C-R: 2.13 C-S: 3.91
1
1.65
33.18
SUH-1.6VR2.TH
RH-277VHAT
1300
C-R: 1.80 C-S: 3.00
1.4
RA6V40-EE
WHT-BLK : 130
BLK-RED : 135
36(1270)
850 605 290
43 50
780-820
MS-56 O 0.52
SPECIFICATIONS
4
Compressor
Outdoor fan motor
Dimensions
Weight
Special remarks
Service Ref.
Power supply Model Output Winding resistance (at 20:) Model
Winding resistance (at 20:)
Airflow
Width Height Depth
Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R-22) Refrigerant oil Thermistor
RT61(at 0:)
W
"
C-R: 3.30 C-S: 5.80
"
m3/min(CFM)
mm mm mm
kg
dB
rpm
kg
R
k"
SU-1VR.TH
SU-1VR.TH-T
RH-174VGHT
800
RA6V23-HC
WHT-BLK : 353
BLK-RED : 321
28(990)
780 540 255
32 45
710-760
0.8
MS-56 O 0.30
SU-1.6VR.TH SU-1.6VR.TH-T
Single phase, 220-240V, 50Hz
RH-247VHAT
1200
C-R: 2.13 C-S: 3.91
RA6V40-EE
WHT-BLK : 130
BLK-RED : 135
37(1310)
850 605 290
38 50
780-820
1
0.9
MS-56 O 0.52
33.18
SU-1.6VR2.TH SU-1.6VR2.TH-T
RH-277VHAT
1300
C-R: 1.80 C-S: 3.00
Compressor
Outdoor fan motor
Dimensions
Weight
Special remarks
Service Ref.
Power supply Model Output Winding resistance (at 20:) Model
Winding resistance (at 20:)
Airflow
Width Height Depth
Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R-22) Refrigerant oil Thermistor
RT61(at 0:)
W
"
"
m3/min(CFM)
mm mm mm
kg
dB
rpm
kg
R
k"
SU-2VR.TH SU-2VR1.TH SU-2VR.TH-T SU-2VR
NH38VMDT
1700
C-R: 1.07 C-S: 2.26
RA6V50-OF
WHT-BLK : 116
BLK-RED : 111
28(990)
850 605 290
55 52
810-845
1
1.6
MS-32(N-1) O 1.2
1.TH-T
Single phase, 220-240V, 50Hz
SU-2.5VR.TH SU-2.5VR.TH-T
NH47VMDT
2200
C-R: 0.96 C-S: 2.70
RA6V60-AB
WHT-BLK : 81 BLK-YLW : 92.2 YLW-RED : 102
39(1380)
850 605 290
61 53
860-890
2
2.15
MS-32(N-1) O 1.2
33.18
5
SU-1.6NR.TH SU-2NR.TH
Single phase, 220V, 60Hz
RH-207NHDT
1000
C-R: 1.68 C-S: 2.78
RA6V40-EE
WHT-BLK : 130
BLK-RED : 135
38(1340)
38 51
820
0.9
MS-56 O 0.52
NH-33NCDT
1500
C-R: 0.92 C-S: 1.93
RA6V50-OF
WHT-BLK : 116
BLK-RED : 111
39(1380)
850 605 290
55 52
860
1.65
MS-32(N-1) O 0.85
33.18
SU-2.5NR.TH
NH-38NBDT
1700
C-R: 0.83 C-S: 1.83
RA6V60-AB
41(1450)
61 54
930
2
2.15
MS-32(N-1) O 1.2
WHT-BLK : 81 BLK-YLW : 92 YLW-RED : 102
1
Power supply
Service Ref.
W
"
"
m3/min(CFM)
mm mm mm
kg dB
rpm
kg
R
k"
Compressor
Outdoor fan motor
Dimensions
Width Height Depth
RT61(at 0:)
Weight
Special remarks
Model Output Winding resistance (at 20:) Model
Winding resistance (at 20:)
Airflow
Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity (R-22) Refrigerant oil Thermistor
6
DATA5
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SUH-1VR.TH
47
SPL(dB) LINE
<50Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SUH-1.6VR.TH SUH-1.6VR2.TH
50
SPL(dB) LINE
<50Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SUH-2VR.TH SUH-2VR
1.TH
SUH-2VR
2.TH
52
SPL(dB) LINE
<50Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SUH-2.5VR.TH
Hi Lo
NOTCH
53 51
SPL(dB) LINE
<50Hz>
NOISE CRITERION CURVES
7
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SU-1VR.TH SU-1VR.TH-T
45
SPL(dB) LINE
<50Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SU-1.6NR.TH
51
SPL(dB) LINE
<60Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SU-1.6VR.TH SU-1.6VR2.TH SU-1.6VR.TH-T SU-1.6VR2.TH-T
50
SPL(dB) LINE
<50Hz>
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-70
NC-20
APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE
SU-2VR.TH SU-2VR
1.TH
SU-2NR.TH SU-2VR.TH-T SU-2VR
1.TH-T
52
SPL(dB) LINE
<50/60Hz>
8
SU-2.5VR.TH
1m
UNIT
MICROPHONE
Ambient temperature 35°C (Cooling) / 7°C (Heating) Test conditions are based on JIS Z8731
SU-2.5VR.TH-T
NOTCH
Hi
Lo
<50Hz>
SPL(dB) LINE
53 50
SU-2.5NR.TH
NOTCH
Hi Lo
<60Hz>
SPL(dB) LINE
54 50
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF HEARING FOR CONTINUOUS
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF HEARING FOR CONTINUOUS NOISE
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
9
6
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) [9.52
Liquid refrigerant pipe joint Refrigerant pipe (flared) [6.35
Air out
Air in
Air in
109
32
110
147
Drainage 3holes [33
If clearance behind the outdoor units only 40B or 50B side A must be
fully open.
10cm or more
10cm or more
10cm or more
Outdoor
unit
35cm or more
REQUIRED SPACE
A
40cm or more
OUTLINES AND DIMENSIONS
SUH-1VR.TH SU-1VR.TH SU-1VR.TH-T
Unit: mm
10
350
Drainage 3holes 16.2
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.
605
29220
50
183
500
161
850
74
30
100
157
35
30
Service panel
Liquid refrigerant
pipe joint
Refrigerant pipe
(flare)
Gas refrigerant
pipe joint
Refrigerant pipe
(flare)
[12.7 (SUH-1.6VR(2).TH) (SU-1.6NR.TH) (SU-1.6VR(2).TH,SU-1.6VR(2).TH-T)
[15.88 (SUH-2VR.TH) (SU-2/2.5NR.TH) (SU-2/2.5VR.TH,SU-2/2.5VR.TH-T)
[6.35 (SUH-1.6/2VR(2).TH) (SU-1.6/2NR.TH) (SU-1.6/2VR(2).TH,SU-1.6/2VR(2).TH-T)
[9.52 (SU-2.5NR.TH) (SU-2.5VR.TH,SU-2.5VR.TH-T)
SUH-1.6VR.TH SUH-2VR.TH SUH-1.6VR2.TH SUH-2VR1.TH
SUH-2VR2.TH SU-1.6NR.TH SU-2NR.TH SU-2.5NR.TH SU-1.6VR.TH SU-2VR.TH SU-2.5VR.TH SU-1.6VR2.TH SU-2VR1.TH SU-1.6VR.TH-T SU-2VR.TH-T SU-2.5VR.TH-T SU-1.6VR2.TH-T SU-2VR1.TH-T
Unit: mm
11
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
10
Note: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
724295
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
Terminal block for power line
Handle for moving
179 524
441
337
352
403
553
850
40 60524
Service panel
Refrigerant-pipe flared
connection [15.88 5/8F
Refrigerant-pipe flared
connection [9.52 3/8F
Knock out hole
for front piping
(refrigerant,drainage
and wiring)
Knock out hole
for right piping
(refrigerant,drainage
and wiring)
R20
R20
60
120
4553
25 max.
Knock out holes for
power line 2-[27
Standard bolt length
65
Front right piping holes-
detail figures
80
17
42
45
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
Unit : mm
SUH-2.5VR.TH
More than 100 mm
More than 200 mm if three
area obstacles to both sides.
More than 350 mm
12
Open as a rule
More than 500 mm if the
front and both sides are open.
More than 10 mm
Open as a rule
More than 500 mm if the
back both sides and top
are open.
7
CN720
52C
X62
21S4
CN721
MF
SR61
CN611
MC
3 2 1
locking lever
1 Slide the sleeve. 2 Pull the wire while
pushing the locking lever.
sleeve
WHT
WHT
VLT
VLT
NO
COM
52C
w
TAB21
WHT
RED
RED
WHT
w
BLU
RED
BLK
CN730
C65
DEICER P.C. BOARD
RT61
F61
IC881
X62
CN711
BLK
NR61
TRANS
TAB20
RS
C
C1
TO
INDOOR UNIT
CONNECTING
3 w
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL C1 C65 DSAR F61 IC881
COMPRESSOR CAPACITOR FAN MOTOR CAPACITOR SURGE ABSORBER FASE (2A) DC/DC CONVERTER
NOTE :1. Use copper conductors only (For field wiring).
2. “w” shows the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire. Be sure to pull the lead wire by pushing the locking lever (projected part) of the terminal with a finger.
MC MF NR61 RT61 SR61
COMPRESSOR (INNER THERMOSTAT) FAN MOTOR (INNER THERMOSTAT) VARISTOR DEFROST THERMISTOR SOLID STATE RELAY
TB
X62
21S4
52C
TERMINAL BLOCK 4-WAY VALVE RELAY 4-WAY VALVE SOLENOID COIL COMPRESSOR CONTACTOR
w
TB
12VDC
220-240V~
2
WHT
DSAR
w
BLU
GRN/YLW
N
4
3
2
1
BLK
BLK
WIRING DIAGRAM
SUH-1VR.TH
13
SUH-1.6VR.TH SUH-2VR.TH
220-240V
12VDC
RED
BLK
BLU
F
WHT
WHT
WHT
DSAR
TB
GRN/YLW
RED
W
W
WW
W
W
W
W
W
3
2
N
TO INDOOR
UNIT
CONNECTING
WHT
BLU
BLK WHT ORN RED
MF
BLU
WHT
A1
A2
VLT YLW
CR
52C1
BLU
CZ
WHTWHT
T3/6L3/5
L1/1 T1/2
52C1
WHT
C1
RED BLK
S
C
R
MC
4
TAB20
52C
3
YLW
CN730
2 1
3
C65
SR61
X62
NR61
TRANS
IC881
BLK
CN721
BLK
21S4
DEICER P.C. BOARD
CN711
CN661
123
RT61
4
F61
2 1
3
4
TB
CZ SURGE ABSORBER 3
CR SURGE ABSORBER 2
IC881 DC/DC CONVERTER
F61 FUSE (2A)
CONTACTOR
4-WAY VALVE SOLENOID COIL
21S4
X62
MF
FAN MOTOR <INNER THERMOSTAT>
MC
COMPRESSOR <INNER THERMOSTAT>
SR61
RT61
NR61 V ARIST OR
F
C65
SYMBOL
NAME NAME
C1
DSAR
SYMBOL
COMPRESSOR CAPACITOR
SURGE ABSORBER 1FAN MOTOR CAPACITOR
FUSE (2A)
TERMINAL BLOCK
52C1
52C
COMPRESSOR CONTACTOR
4-WAY
VALVE RELAY
SOLID STATE RELAY
DEFROST THERMISTOR
NAME
SYMBOL
SUH-1.6VR2.TH SUH-2VR1.TH
SUH-2VR2.TH
NOTE :1. Use copper conductors only. (For field wiring)
2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).
3. Symbols below indicate.
/:Terminal block, : Connector
4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire. Be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger.
1Slide the sleeve. 2Pull the wire while pushing the locking lever.
14
SUH-2.5VR.TH
RED
ORN
WHT
BLK
YLW
12VDC
TB
YLW
2 1
BLK WHT ORN RED
3
4
5
6
MF
X1
BRN
SR61
X62
BLK
CN721
CN730
2 1
3
BLK
21S4
1
5
3
C2
CN711
CN661
123
RT61
4
A2
A1
ORN
WHT
YLWVLT
TB2
CR
WHT
4
52C1
F61
NR61
TRANS
IC881
220-240V~
DSAR
GRN/YLW
RED
W
W
W
W
WW
3
2
N
TO INDOOR
UNIT
CONNECTING
WHT
RED
7
RED
VLT
BLU
26F1
X1
WHT
TAB20
52C
3
YLW
DEICER P.C. BOARD
BLU
WHTWHT
CZ
T3/6L3/5
BLU
L1/1 T1/2
52C1
WHT
C1
RED BLK
S
C
R
MC
BLU
8
F
CZ SURGE ABSORBER 3
CR SURGE ABSORBER 2
IC881 DC/DC CONVERTERF61 FUSE (2A)
CONTACTOR
4-WAY VALVE SOLENOID COIL
21S4
X62
MF
FAN MOTOR <INNER THERMOSTAT>
MC
COMPRESSOR
<INNER THERMOSTAT>
TB,TB2
SR61
RT61
NR61 V ARIST OR
F
C2
SYMBOL
NAME NAME
C1
DSAR
SYMBOL
COMPRESSOR CAPACITOR
SURGE ABSORBER 1
FAN MOTOR CAPACITOR
FUSE (2A)
TERMINAL BLOCK
52C1
THERMAL REED SWITCH
26F1
X1 FAN MOTOR RELAY
52C
COMPRESSOR CONTACTOR
4-WAY VALVE RELAY
SOLID STATE RELAY
DEFROST THERMISTOR
NAME
SYMBOL
NOTE :1. Use copper conductors only. (For field wiring)
2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).
3. Symbols below indicate. /:Terminal block, : Connector
4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire.
Be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger.
1Slide the sleeve. 2Pull the wire while pushing the locking lever.
15
SU-1VR.TH
RED WHT
RED
BLU
locking lever
sleeve
COMPRESSOR CONTACTOR
52C
VLT
YLW
BLU
WHT
RED
52C
52C
2
1
3
C2
WHT BLK
RED
WHT
MF
MC
CR
A2
A1
BLU
L1/1
L3/5
R
C
S
BLK
RED
C1
T1/2
T3/6
BLU
GRN/YLW
3
2
N
TB
TO
INDOOR UNIT
CONNECTING
220-240V~ 220-240V~
w
w
w
1 Slide the sleeve. 2 Pull the wire while
pushing the locking lever.
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL CR C1 C2
SURGE ABSORBER COMPRESSOR CAPACITOR FAN MOTOR CAPACITOR
NOTE :1. Use copper conductors only (For field wiring).
2. “w” shows the terminals with a lock mechanism, so they cannot be removed when you pull the lead wire. Be sure to pull the lead wire by pushing the locking lever (projected part) of the terminal with a finger.
MC MF TB
COMPRESSOR (INNER THERMOSTAT) FAN MOTOR (INNER THERMOSTAT) TERMINAL BLOCK
SU-1VR.TH-T
16
SU-1.6NR.TH
BLK
BLK
YLW
VLT
26C
BLU
WHT
RED
RED
BLU
WHT
ORN
RED
52C
52C
4
3
2
1
C2
WHT BLK
ORN
RED
WHT
MF
MC
CR
A2
A1
BLU
F
TB2
L1/1
L3/5
R
C
S
BLK
RED
C1
T1/2
T3/6
BLU
GRN/YLW
2
3
TO INDOOR
UNIT
CONNECTING
W
W
W
TB
220V, 60Hz
220V, 60Hz
THERMAL SWITCH26C
TB2 TERMINAL BLOCKF FUSE(2A)
CR SURGE ABSORBER
TERMINAL BLOCK
COMPRESSOR CONTACTOR52C
TB
FAN MOTOR
(INNER THERMOSTAT)
(INNER THERMOSTAT)
COMPRESSOR
MC
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
C2
C1
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL
MF
N
YLW
VLT
BLK
CR
A2
A1
26C
BLK
BLU
ORN
BLU
X1
26F1
F
RED
8
7
BLU
RED
WHT
52C
TB2
RED
C2
GRN/YLW
2
3
RED
N
W
W
W
TB
220V, 60Hz
220V, 60Hz
L1/1
L3/5
MC
R
C
S
BLK
RED
C1
WHT
52C
T1/2
T3/6
BLU
TO INDOOR
UNIT
CONNECTING
1
3
5
X1
6
5
4
3
2
1
YLW
MF
YLW
BLK BLK
WHT
RED ORN
WHT
ORN
RED
THERMAL SWITCH26CTB2 TERMINAL BLOCKF FUSE(2A)
CR SURGE ABSORBER
THERMAL LEAD SWITCH26F1
FAN MOTOR RELAYX1
TERMINAL BLOCK COMPRESSOR CONTACTOR52CTB
FAN MOTOR
(INNER THERMOSTAT)
(INNER THERMOSTAT)
COMPRESSOR
MF
MC
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
C2
C1
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL
SU-2NR.TH
SU-2.5NR.TH
NOTE :1. Use copper conductors only. (For field wiring)
2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).
3. Symbols below indicate. /:Terminal block, : Connector
4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire.
Be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger.
17
1Slide the sleeve. 2Pull the wire while pushing the locking lever.
SU-1.6VR.TH
VLT
YLW
BLU
WHT
WHT
RED
RED
BLU
WHT
ORN
RED
52C
52C
4
3
2
1
C2
WHT BLK
ORN
RED
WHT
MF
MC
CR
A1
A2
BLU
F
TB2
L1/1
L3/5
R
C
S
BLK
RED
C1
T1/2
T3/6
BLU
GRN/YLW
2
3
TO INDOOR
UNIT
CONNECTING
N
TB
220-240V,50Hz
220-240V,50Hz
W
W
W
W
W
W
YLW
VLT
BLU
ORN
1
3
5
X1
BLU
X1
26F1
F
RED
8 7
BLU
RED
WHT
52C
CR
TB2
WHT
RED
A1
A2
6
5
4
3
2
1
YLW
C2
MF
YLW
BLK BLK
WHT
RED ORN
WHT
ORN
RED
L1/1
L3/5
MC
R
C
S
BLK
RED
C1
WHT
52C
T1/2
T3/6
BLU
GRN/YLW
2
3
RED
TO INDOOR
UNIT
CONNECTING
N
TB
220-240V,50Hz
220-240V,50Hz
W
W
W
TB2 TERMINAL BLOCKF FUSE(2A)
CR SURGE ABSORBER
TERMINAL BLOCK
COMPRESSOR CONTACTOR52C
TB
FAN MOTOR
(INNER THERMOSTAT)
(INNER THERMOSTAT)
COMPRESSOR
MF
MC
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
C2
C1
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL
TB2 TERMINAL BLOCKF FUSE(2A)
CR SURGE ABSORBER
THERMAL LEAD SWITCH26F1
FAN MOTOR RELAYX1
TERMINAL BLOCK COMPRESSOR CONTACTOR52CTB
FAN MOTOR
(INNER THERMOSTAT)
(INNER THERMOSTAT)
COMPRESSOR
MF
MC
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
C2
C1
NAME
SYMBOL
NAME
SYMBOL
NAME
SYMBOL
SU-1.6VR2.TH SU-2VR.TH SU-2VR1.TH SU-1.6VR.TH-T SU-1.6VR2.TH-T SU-2VR.TH-T SU-2VR1.TH-T
SU-2.5VR.TH SU-2.5VR.TH-T
NOTE :1. Use copper conductors only. (For field wiring)
2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).
3. Symbols below indicate.
/:Terminal block, : Connector
4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire. Be sure to pull the wire by pushing the locking lever (projected part) of the terminal with a finger.
18
1Slide the sleeve. 2Pull the wire while pushing the locking lever.
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