Emerald LCU-07 User manual

DRAFTOFTECHNICALMANUALFOR“LCUMODEL”
Issueby:…………Date:……… Checkedby:………………Date………… Approvedby:……………..Date:………
CONDENSING UNITCONDENSING UNIT
R-22, R407CR-22, R407C
MODELS:
LCU-07, 07R
LCU-09, 09R
LCU-12, 12R
LCU-18, 18R
LCU-24, 24R
LCU-30, 30R
LCU-36, 36R
LCU-48, 48R
LCU-56, 56R
LCU-60, 60R

CONTENTS PAGE
SPECIALFEATURES
SPECIFICATIONS
NOISELEVEL
OPERATIONRANGE
REFRIGERANTCIRCUIT
OUTLINESANDDIMENSIONS
WIRINGDIAGRAMS
SPECIALPRECAUTIONSFORR407C
INSTALLATION
PARTSLIST
TROUBLESHOOTING
SERVICEANDMAINTENANCE

SPECIALFEATURES
♦Quietoperationwithsoundinsulatingblanketandrubbermountingoncompressor.
♦Energyefficientandreliablerotaryandscrollcompressorreducingnoiseandvibration.
♦Rubbersupportonthecoilguard.
♦Extrastrongmoldedvalvesupports(1.5mm.Thickness)foreasyinstallation.
♦Fullychargedfor5metersrefrigerantpiping.
♦Extraheavydutyfanmotorandmotorsupport
♦Flarecouplingswiththree-wayservicevalves.
♦Electrogalvanizedandphosphatecoatedsteelcabinetwithbaked-onfinishedcoat.
♦Built-indrainpipeconnectorforcondense(heatpumponly)
♦Hydrophiliccoatedaluminumfins.

SPECIFICATIONS
COOLING ONLY R-22
CONDENSING
LCU-07
LCU-09
LCU-12
LCU-18
LCU-24
LCU-30
LCU-36
LCU-48
LCU-56
LCU-60
NOMINAL
Kcal/h
1,764
2,268
3,024
4,536
6,048
7,560
9,072
12,096
14,112
15,120
COOLING
Kw
2.05
2.64
3.52
5.28
7.03
8.79
10.55
14.07
16.41
17.58
CAPACITY
Btu/h
7,000
9,000
12,000
18,000
24,000
30,000
36,000
48,000
56,000
60,000
NOMINAL
Kcal/h
1,739
2,268
3,024
4,486
6,098
7,620
9,198
12,146
14,074
15,070
COOLING
Kw
2.02
2.64
3.52
5.22
7.09
8.86
10.7
14.13
16.37
17.53
CAPACITY
Btu/h
6,900
9,000
12,000
17,800
24,200
30,240
36,500
48,200
55,850
59,800
KW
50Hz
0.68
0.87
1.15
1.93
2.43
2.95
3.38
4.49
5.23
5.75
KW
60Hz
0.68
0.88
1.14
1.86
2.43
2.95
3.42
4.39
5.29
5.82
A
50Hz
3.11
3.98
5.26
8.83
11.12
13.50
15.47
6.82
7.95
8.74
A
60Hz
3.25
4.21
5.45
8.90
11.63
14.11
16.36
21.00
25.31
27.85
V/Ph/Hz
50Hz
220-240/1/50
380-420/3/50
V/Ph/Hz
60Hz
208-230/1/60
ROTARY
SCROLL
AIRFLOW
50Hz
1,000
1,200
1,200
1,600
1,800
2,000
2,000
2,400
3,600
3,600
(CFM)
60Hz
1,000
1,200
1,200
1,680
1,870
2,060
2,060
2,450
3,660
3,660
NOISE
50Hz
46
48
49
50
50
52
52
54
56
56
(dBA)
60Hz
46
48
49
50
50
52
52
54
56
56
TYPE
PROPELLER
TYPE
CORRUGATEDFIN,STRAIGHT-EDGE
FIN/INCH
14
TUBE.DIA
3/8"
Liquid
mm.
6.35
6.35
6.35
9.52
9.52
9.52
9.52
12.70
12.70
12.70
Suction
mm.
9.52
9.52
12.70
15.88
15.88
15.88
15.88
19.05
19.05
19.05
HEIGHT
mm.
535
535
535
595
640
795
795
1050
1250
1250
WIDTH
mm.
765
765
765
870
970
970
970
976
976
976
DEPTH
mm.
280
280
280
320
400
400
400
400
400
400
HEIGHT
mm.
600
600
600
640
710
850
850
1,100
1,330
1,330
WIDTH
mm.
800
800
800
920
1,020
1,020
1,020
1,020
1,020
1,020
DEPTH
mm.
300
300
300
340
420
420
420
420
420
420
kg
28.00
31.00
37.00
47.00
65.00
73.00
75.00
96.00
105.00
105.00
kg
31.00
34.00
40.00
51.00
71.00
80.00
82.00
104.00
113.00
113.00
Note.
1.) THE NOMINAL COOLING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 27
o
C DB,
19
o
C WB INDOOR AND 35
o
C DB OUTDOOR TEMP. AT HIGH SPEED.
2.) THE NOMINAL HEATING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 20
o
C DB,
INDOOR TEMP. AND 7
o
C DB, 6
o
C WB OUTDOOR TEMP. HIGH SPEED.
3.) DUE TO CONTINUING RESEARCH IN ENERGY SAVING TECHNOLOGY, DESIGN AND SPECIFICATIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE
MODEL
DIMENSION
CONNECTION
NOMINALTOTALPOWER
60Hz
PACKINGDIMENSION
COMPRESSORTYPE
FAN
NETWEIGHT
GROSSWEIGHT
50Hz
POWERSOURCE
NOMINALTOTALCURRENT
COIL

HEAT PUMP R-22
CONDENSING
LCU-07
LCU-09
LCU-12
LCU-18
LCU-24
LCU-30
LCU-36
LCU-48
LCU-56
LCU-60
NOMINAL
Kcal/h
1,688
2,218
2,969
4,486
6,010
7,484
8,971
11,985
13,986
14,969
COOLING
Kw
1.96
2.58
3.45
5.22
6.99
8.70
10.43
13.94
16.27
17.41
CAPACITY
Btu/h
6,700
8,800
11,780
17,800
23,850
29,700
35,600
47,560
55,500
59,400
NOMINAL
Kcal/h
1,865
2,381
3,150
4,649
6,174
7,762
9,173
12,146
14,162
15,145
HEATING
Kw
2.17
2.77
3.66
5.41
7.18
9.03
10.67
14.13
16.47
17.61
CAPACITY
Btu/h
7,400
9,450
12,500
18,450
24,500
30,800
36,400
48,200
56,200
60,100
NOMINAL
Kcal/h
1,688
2,230
2,948
4,435
6,023
7,522
9,022
12,020
13,986
14,944
COOLING
Kw
1.96
2.59
3.43
5.16
7.00
8.75
10.49
13.98
16.27
17.38
CAPACITY
Btu/h
6,700
8,850
11,700
17,600
23,900
29,850
35,800
47,700
55,500
59,300
NOMINAL
Kcal/h
1,840
2,381
3,175
4,637
6,199
7,787
9,223
12,184
14,162
15,170
HEATING
Kw
2.14
2.77
3.69
5.39
7.21
9.06
10.73
14.17
16.47
17.64
CAPACITY
Btu/h
7,300
9,450
12,600
18,400
24,600
30,900
36,600
48,350
56,200
60,200
NOMINALTOTALPOWER
COOLING
50Hz
0.67
0.85
1.13
1.90
2.42
2.92
3.35
4.46
5.20
5.71
(kw)
HEATING
50Hz
0.66
0.83
1.11
1.88
2.41
2.90
3.33
4.43
5.18
5.68
COOLING
60Hz
0.67
0.87
1.12
1.85
2.41
2.92
3.40
4.37
5.26
5.80
HEATING
60Hz
0.66
0.85
1.10
1.83
2.39
2.90
3.38
4.34
5.24
5.77
NOMINALTOTALCURRENT
COOLING
50Hz
3.07
3.89
5.17
8.70
11.08
13.36
15.33
6.78
7.09
8.68
(A)
HEATING
50Hz
3.02
3.80
5.08
8.60
11.03
13.27
15.24
6.73
7.87
8.63
COOLING
60Hz
3.21
4.16
5.36
8.85
11.53
13.97
16.27
20.91
25.17
27.75
HEATING
60Hz
3.16
4.07
5.26
8.76
11.44
13.88
16.17
20.77
25.07
27.61
V/Ph/Hz
50Hz
220-240/1/50
380-420/3/50
V/Ph/Hz
60Hz
208-230/1/60
ROTARY
SCROLL
AIRFLOW
50Hz
1,000
1,200
1,200
1,600
1,800
2,000
2,000
2,400
3,600
3,600
(CFM)
60Hz
1,000
1,200
1,200
1,680
1,870
2,060
2,060
2,450
3,660
3,660
NOISE
50Hz
46
48
49
50
50
52
52
54
56
56
(dBA)
60Hz
46
48
49
50
50
52
52
54
56
56
TYPE
PROPELLER
TYPE
CORRUGATEDFIN,STRAIGHT-EDGE
FIN/INCH
14
TUBE.DIA
3/8"
Liquid
mm.
6.35
6.35
6.35
9.52
9.52
9.52
9.52
12.70
12.70
12.70
Suction
mm.
9.52
9.52
12.70
15.88
15.88
15.88
15.88
19.05
19.05
19.05
HEIGHT
mm.
535
535
535
595
640
795
795
1050
1250
1250
WIDTH
mm.
765
765
765
870
970
970
970
976
976
976
DEPTH
mm.
280
280
280
320
400
400
400
400
400
400
HEIGHT
mm.
600
600
600
640
710
850
850
1,100
1,330
1,330
WIDTH
mm.
800
800
800
920
1,020
1,020
1,020
1,020
1,020
1,020
DEPTH
mm.
300
300
300
340
420
420
420
420
420
420
NETWEIGHT
kg
28.00
31.00
37.00
47.00
65.00
73.00
75.00
96.00
105.00
105.00
GROSSWEIGHT
kg
31.00
34.00
40.00
51.00
71.00
80.00
82.00
104.00
113.00
113.00
Note.
1.) THE NOMINAL COOLING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 27
o
C DB,
19
o
C WB INDOOR AND 35
o
C DB OUTDOOR TEMP. AT HIGH SPEED.
2.) THE NOMINAL HEATING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 20
o
C DB,
INDOOR TEMP. AND 7
o
C DB, 6
o
C WB OUTDOOR TEMP. HIGH SPEED.
3.) DUE TO CONTINUING RESEARCH IN ENERGY SAVING TECHNOLOGY, DESIGN AND SPECIFICATIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE
CONNECTION
DIMENSION
POWERSOURCE
COMPRESSORTYPE
FAN
COIL
PACKINGDIMENSION
WEIGHT
MODEL
50Hz60Hz

COOLING ONLY R-407C
CONDENSING
LCU-07
LCU-09
LCU-12
LCU-18
LCU-24
LCU-30
LCU-36
LCU-48
LCU-56
LCU-60
NOMINAL
Kcal/h
1,764
2,268
3,024
4,536
6,048
7,560
9,072
12,096
14,112
15,120
COOLING
Kw
2.05
2.64
3.52
5.28
7.03
8.79
10.55
14.07
16.41
17.58
CAPACITY
Btu/h
7,000
9,000
12,000
18,000
24,000
30,000
36,000
48,000
56,000
60,000
NOMINAL
Kcal/h
1,764
2,268
3,024
4,536
6,048
7,560
9,072
12,096
14,112
15,120
COOLING
Kw
2.05
2.64
3.52
5.28
7.03
8.79
10.55
14.07
16.41
17.58
CAPACITY
Btu/h
7,000
9,000
12,000
18,000
24,000
30,000
36,000
48,000
56,000
60,000
KW
50Hz
0.69
0.86
1.16
1.93
2.45
2.96
3.38
4.50
5.24
5.75
KW
60Hz
0.69
0.89
1.15
1.87
2.43
2.95
3.43
4.40
5.29
5.84
A
50Hz
3.30
4.11
5.55
9.23
11.72
14.16
16.17
6.84
7.96
8.74
A
60Hz
3.30
4.26
5.50
8.95
11.63
14.11
16.41
21.05
25.31
27.94
V/Ph/Hz
50Hz
220-240/1/50
380-420/3/50
V/Ph/Hz
60Hz
208-230/1/60
ROTARY
SCROLL
AIRFLOW
50Hz
1,000
1,200
1,200
1,600
1,800
2,000
2,000
2,400
3,600
3,600
(CFM)
60Hz
1,000
1,200
1,200
1,680
1,870
2,060
2,060
2,450
3,660
3,660
NOISE
50Hz
46
48
49
50
50
52
52
54
56
56
(dBA)
60Hz
46
48
49
50
50
52
52
54
56
56
TYPE
PROPELLER
TYPE
CORRUGATEDFIN,STRAIGHT-EDGE
FIN/INCH
14
TUBE.DIA
3/8"
Liquid
mm.
6.35
6.35
6.35
9.52
9.52
9.52
9.52
12.70
12.70
12.70
Suction
mm.
9.52
9.52
12.70
15.88
15.88
15.88
15.88
19.05
19.05
19.05
HEIGHT
mm.
535
535
535
595
640
795
795
1050
1250
1250
WIDTH
mm.
765
765
765
870
970
970
970
976
976
976
DEPTH
mm.
280
280
280
320
400
400
400
400
400
400
HEIGHT
mm.
600
600
600
640
710
850
850
1,100
1,330
1,330
WIDTH
mm.
800
800
800
920
1,020
1,020
1,020
1,020
1,020
1,020
DEPTH
mm.
300
300
300
340
420
420
420
420
420
420
kg
28.00
31.00
37.00
47.00
65.00
73.00
75.00
96.00
105.00
105.00
kg
31.00
34.00
40.00
51.00
71.00
80.00
82.00
104.00
113.00
113.00
Note.
1.) THE NOMINAL COOLING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 27
o
C DB,
19
o
C WB INDOOR AND 35
o
C DB OUTDOOR TEMP. AT HIGH SPEED.
2.) THE NOMINAL HEATING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 20
o
C DB,
INDOOR TEMP. AND 7
o
C DB, 6
o
C WB OUTDOOR TEMP. HIGH SPEED.
3.) DUE TO CONTINUING RESEARCH IN ENERGY SAVING TECHNOLOGY, DESIGN AND SPECIFICATIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE
NETWEIGHT
GROSSWEIGHT
NOMINALTOTALCURRENT
POWERSOURCE
MODEL
50Hz60Hz
NOMINALTOTALPOWER
COMPRESSORTYPE
FAN
COIL
CONNECTION
DIMENSION
PACKINGDIMENSION

HEAT PUMP R-407C
CONDENSING
LCU-07
LCU-09
LCU-12
LCU-18
LCU-24
LCU-30
LCU-36
LCU-48
LCU-56
LCU-60
NOMINAL
Kcal/h
1,764
2,268
3,024
4,536
6,048
7,560
9,072
12,096
14,112
15,120
COOLING
Kw
2.05
2.64
3.52
5.28
7.03
8.79
10.55
14.07
16.41
17.58
CAPACITY
Btu/h
7,000
9,000
12,000
18,000
24,000
30,000
36,000
48,000
56,000
60,000
NOMINAL
Kcal/h
1,865
2,394
3,175
4,662
6,174
7,762
9,223
12,197
14,188
15,246
HEATING
Kw
2.17
2.78
3.69
5.42
7.18
9.03
10.73
14.19
16.50
17.73
CAPACITY
Btu/h
7,400
9,500
12,600
18,500
24,500
30,800
36,600
48,400
56,300
60,500
NOMINAL
Kcal/h
1,764
2,268
3,024
4,536
6,048
7,560
9,072
12,096
14,112
15,120
COOLING
Kw
2.05
2.64
3.52
5.28
7.03
8.79
10.55
14.07
16.41
17.58
CAPACITY
Btu/h
7,000
9,000
12,000
18,000
24,000
30,000
36,000
48,000
56,000
60,000
NOMINAL
Kcal/h
1,865
2,394
3,200
4,687
6,224
7,787
9,248
12,222
14,213
15,221
HEATING
Kw
2.17
2.78
3.72
5.45
7.24
9.06
10.76
14.21
16.53
17.70
CAPACITY
Btu/h
7,400
9,500
12,700
18,600
24,700
30,900
36,700
48,500
56,400
60,400
NOMINALTOTALPOWER
COOLING
50Hz
0.68
0.85
1.15
1.92
2.44
2.95
3.37
4.49
5.23
5.73
(kw)
HEATING
50Hz
0.67
0.84
1.14
1.90
2.41
2.93
3.35
4.46
5.20
5.70
COOLING
60Hz
0.68
0.88
1.14
1.86
2.42
2.94
3.42
4.39
5.28
5.82
HEATING
60Hz
0.67
0.86
1.13
1.84
2.39
2.92
2.40
4.36
5.25
5.79
NOMINALTOTALCURRENT
COOLING
50Hz
3.25
4.07
5.50
9.19
11.67
14.11
16.12
6.82
7.95
8.71
(A)
HEATING
50Hz
3.21
4.02
5.45
9.09
11.53
14.02
16.03
6.78
7.90
8.66
COOLING
60Hz
3.25
4.21
5.45
8.90
11.58
14.07
16.36
21.00
25.26
27.85
HEATING
60Hz
3.21
4.11
5.41
8.80
11.44
13.97
11.48
20.86
25.12
27.70
V/Ph/Hz
50Hz
220-240/1/50
380-420/3/50
V/Ph/Hz
60Hz
208-230/1/60
ROTARY
SCROLL
AIRFLOW
50Hz
1,000
1,200
1,200
1,600
1,800
2,000
2,000
2,400
3,600
3,600
(CFM)
60Hz
1,000
1,200
1,200
1,680
1,870
2,060
2,060
2,450
3,660
3,660
NOISE
50Hz
46
48
49
50
50
52
52
54
56
56
(dBA)
60Hz
46
48
49
50
50
52
52
54
56
56
TYPE
PROPELLER
TYPE
CORRUGATEDFIN,STRAIGHT-EDGE
FIN/INCH
14
TUBE.DIA
3/8"
Liquid
mm.
6.35
6.35
6.35
9.52
9.52
9.52
9.52
12.70
12.70
12.70
Suction
mm.
9.52
9.52
12.70
15.88
15.88
15.88
15.88
19.05
19.05
19.05
HEIGHT
mm.
535
535
535
595
640
795
795
1050
1250
1250
WIDTH
mm.
765
765
765
870
970
970
970
976
976
976
DEPTH
mm.
280
280
280
320
400
400
400
400
400
400
HEIGHT
mm.
600
600
600
640
710
850
850
1,100
1,330
1,330
WIDTH
mm.
800
800
800
920
1,020
1,020
1,020
1,020
1,020
1,020
DEPTH
mm.
300
300
300
340
420
420
420
420
420
420
NETWEIGHT
kg
28.00
31.00
37.00
47.00
65.00
73.00
75.00
96.00
105.00
105.00
GROSSWEIGHT
kg
31.00
34.00
40.00
51.00
71.00
80.00
82.00
104.00
113.00
113.00
Note.
1.) THE NOMINAL COOLING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 27
o
C DB,
19
o
C WB INDOOR AND 35
o
C DB OUTDOOR TEMP. AT HIGH SPEED.
2.) THE NOMINAL HEATING CAPACITY AND ELECTRICAL CHARACTERISTICS ARE BASE ON ARI STANDARD 20
o
C DB,
INDOOR TEMP. AND 7
o
C DB, 6
o
C WB OUTDOOR TEMP. HIGH SPEED.
3.) DUE TO CONTINUING RESEARCH IN ENERGY SAVING TECHNOLOGY, DESIGN AND SPECIFICATIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE
MODEL
50Hz
COMPRESSORTYPE
60Hz
DIMENSION
PACKINGDIMENSION
WEIGHT
FAN
COIL
CONNECTION
POWERSOURCE

NOISELEVEL
Model
Speed
1/1OctaveSoundpressurelevel(dB,ref20
µ
Pa)
Overall
Noise
125Hz
250Hz
500Hz
1kHz
2kHz
4kHz
8kHz
A(dBA)
Criteria
LCU-07
High
56
55
50
47
42
31
24
52
46
Medium
54
52
46
42
37
27
22
48
42
Low
47
46
39
34
30
22.6
20
41
38
LCU-09
High
58
57
52
49
44
38
26
54
48
Medium
56
54
48
44
39
34
24
50
44
Low
49
48
41
39
32
30
22
43
40
LCU-12
High
59
58
53
50
45
32
27
55
49
Medium
57
55
49
45
40
28.8
25
51
45
Low
50
49
44
40
33
26.5
23
44
41
LCU-18
High
58
57
53
50
44
40
30
54
50
Medium
55
54
48
47
41
35
27
51
45
Low
48
47
41
40
34
28
20
44
38
LCU-24
High
60
57
54
50
48
40
32
54
50
Medium
57
54
50
48
43
37
29
53
48
Low
53
50
47
45
38
32
26
50
46
LCU-30
High
62
61
56
53
48
42
30
58
52
Medium
60
58
52
48
43
38
28
54
48
Low
53
52
45
43
36
34
26
47
44
LCU-36
High
62
61
56
53
48
39.2
30
58
52
Medium
60
58
52
48
43
34.6
28
54
48
Low
53
52
48
43
36
30.8
26
47
44
LCU-48
High
62
61
57
54
48
44
34
58
54
Medium
59
58
52
51
45
39
31
55
49
Low
52
51
45
44
38
32
24
48
42
LCU-56
High
66
63
60
57.4
54
46
38
60
56
Medium
63
60
56
54
49
43
35
59
54
Low
59
56
53
51
44
38
32
56
52
LCU-60
High
66
63
60
57.2
54
46
38
60
56
Medium
63
60
56
54
49
43
35
59
54
Low
59
56
53
51
44
38
32
56
52
Model
Measuringlocation
LCU-07
LCU-09
LCU-12
LCU-18
LCU-24
LCU-30
LCU-36
LCU-48
LCU-56
LCU-60
0.8
m
1
m
Microphone
1
m
1
m
Microphone

LCU-07 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
Highfan
Mediumfan
Lowfan
NC-50
NC-45
NC-40
NC-35
NC-30
NC-20
NC-25
LCU-09 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
Highfan
Mediumfan
Lowfan
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20

LCU-12 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
Highfan
Mediumfan
Lowfan
LCU-18 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-30
NC-20
NC-40
NC-25
NC-45
NC-35
NC-50
Highfan
Mediumfan
Lowfan

LCU-24 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
Highfan
Mediumfan
Lowfan
LCU-30 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-30
NC-20
NC-40
NC-25
NC-45
NC-35
NC-50
Highfan
Mediumfan
Lowfan

LCU-36 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
Highfan
Mediumfan
Lowfan
LCU-48 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-30
NC-20
NC-40
NC-25
NC-45
NC-35
NC-50
Highfan
Mediumfan
Lowfan

LCU-56 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
Highfan
Mediumfan
Lowfan
LCU-60 CURVES
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level
NC-30
NC-20
NC-40
NC-25
NC-45
NC-35
NC-50
Highfan
Mediumfan
Lowfan

OPERATIONRANGE
Ensuretheoperatingtemperatureisinallowablerange
Cooling only Cooling Standard Cooling with low ambient kit
LOW AMBIENT KIT
Indoor temp.(
o
CWB) Indoor temp.(
o
CWB)
Heat pump Heating Caution:
The use of your air conditioner outside the
range of working temperature and humidity
can result in serious failure.
Indoor temp.(
o
CDB)
Outdoor temp.(oCDB)Outdoor temp.(oCWB) Outdoor temp.(oCDB)
STD
21
15
23
35
43
-9
15
20
7
18
STD
27
STD
-5
21
15
23
35
43
19
19

REFRIGERANTCIRCUIT
MODEL: INDOOR UNIT (COOLING) / LCU
MODEL: INDOOR UNIT (HEATING) / LCU

OUTLINESANDDIMENSIONS
OUTDOORUNIT
MODEL: LCUSERIES(COOLINGONLYANDHEATPUMP)
DIMENSION(mm) CONNECTION WEIGHT
MODEL CAPACITY
(BTU/H) H W D LIQUID SUCTION NET GROSS
LCU-07 7,000 535 765 280 !"#$28 31
LCU-09 9,000 535 765 280 !"#$31 34
LCU-12 12,000 535 765 280 !%37 40
LCU-18 18,000 595 870 320 "#$
&#$47 51
LCU-24 24,000 640 970 400 "#$
&#$65 71
LCU-30 30,000 795 970 400 "#$
&#$73 80
LCU-36 36,000 95 970 400 "#$
&#$75 82
LCU-48 48,000 1,050 976 400 %'96 104
LCU-56 56,000 1,250 976 400 %'105 113
LCU-60 60,000 1,250 976 400 %'105 113
LCU-07, 09, 12, 18, 24, 30, 36
LCU-48, 56, 60

WIRINGDIAGRAMS
COOLING ONLY
CONDENSING UNIT MODEL: LCU-07, 09, 12 MATCH LCU
HEATPUMP
CONDENSING UNIT MODEL: LCU-07R, 09R, 12R MATCH LCU

COOLING ONLY
CONDENSING UNIT MODEL: LCU-18, 24, 36 MATCH LCU
HEATPUMP
CONDENSING UNIT MODEL: LCU-18R, 24R, 36R MATCH LCU

COOLING ONLY
CONDENSING UNIT MODEL: LCU-48, 56, 60 MATCH LCU.
HEATPUMP
CONDENSING UNIT MODEL: LCU-48R, 56R, 60R MATCH LCU