Daewoo DSB-075L User manual

Service Manual
Split System
Air Conditioner
Model: DSB-075L
DSB-075LH
DSB-095L
DSB-095LH
DSB-125L
DSB-125LH
DSB-185L
DSB-185LH
MAY., 2006
✔Caution
: In this Manual, some parts can be changed for improving,
their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center.
S/M NO : DSB075L001

1
Elite SERIES (R22)
Contents
1. Features………………………………………………………………… 02
2. Specification………………………………………………………..……03
3. Dimensions…………………………………………………………..… 05
4. Refrigeration cycle diagram……………………………………………08
5. Capacity table…………………………………………………………...09
6. Wiring diagram…………………………………………………..………15
7. Electronic function………………………………………….…………...20
8. Troubleshooting……………………………………………………….…28
9. Characteristic of temp. sensor…………………………………………31

2
1.Features
1.1Compact design
1.2LED display

3
2.Specification
DSB-075L DSB-075LH DSB-095L DSB-095LH
Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz
Capacit
y
Btu/h 7000 7000 9000 9000
Input W 800 800 1010 1010
Rated current A 3.5 3.5 4.6 4.6
EER Btu/w.h, w/w 8.8,2.6 8.8,2.6 8.9,2.61 8.6,2.61
Capacity Btu/h 8000 10000
Input W 800 1020
Rated current A 3.5 4.45
COP W/W 2.93 2.88
L/h 0.8 0.8 1.0 1.0
W 1000 1000 1300 1300
A 5.0 5.0 6.3 6.3
A17.217.218.018.0
Model 2P14C225ANA 2P14C225ANA 2P18S225ANK 2P18S225ANK
T
yp
e R
ota
r
y
Rotar
y
Rotar
y
R
ota
r
y
Brand GD Matsushita GD Matsushita GD Matsushita GD Matsushita
Ca
p
acit
y
Btu/h 7500 7500 9920 9920
In
p
ut W 725 725 970 970
Rated current
(
RL
A
3.4 3.4 4.5 4.5
Locked rotor Am
p
A
15 15 24 24
Thermal
p
rotector B160-135-141E MRA98854
x
ternal（MRA98745
x
ternal（MRA98745
Ca
p
acitor uF 25 25 30 30
Refri
g
erant oil ml ATOMOS M60 270 ATOMOS M60 27
0
SUNISO 350 SUNISO 350
Model RP
G
1
3
HRP
G
1
3
HRP
G
1
3
HRP
G
1
3
H
Brand Wellin
g
Wellin
g
Wellin
g
Wellin
g
In
p
ut W
39
.
5
39
.
5
39
.
5
39
.
5
Ca
p
acitor uF 1.2 1.2 1.2 1.2
S
p
eed
(
hi/mi/lo
)
r/min 1050/950/800 1050/950/800 1250/1100/850 1250/1100/850
m3/h 400/35/300 400/35/300 450/400/350 450/400/350
dB(A) 35/32/30 35/32/30 37/34/32 37/34/32
Dimension
(
W*H
*
mm 710×250×195 710×250×195 710×250×195 710×250×195
Packin
g
(
W*H*
D
mm 800×340×270 800×340×270 800×340×270 800×340×270
Net/Gross wei
g
ht Kg 8/9.5 8/9.5 8/9.5 8/9.5
Model YDK24-6T YDK24-6T YDK24-6T YDK24-6T
Brand Welling Welling Welling Welling
Input W 70 70 70 70
Capacitor uF 3 3 3 3
Speed r/min 850 850 850 850
m3/h 1500 1500 1800 1800
dB(A) 49 49 50 50
Dimension
(
W*H*
D
mm 700X535X235 700X535X235 700X535X235 700X535X235
Packin
g
(
W*H*D mm 815X580X325 815X580X325 815X580X325 815X580X325
Net/Gross wei
g
ht Kg 25.5/27.5 26/28 26.5/29 28.5/31
g 530 570 580 800
MPa 2.6 2.6 2.6 2.6
Liquid side/ Gas
s
mm(inch) Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53
Max. refri
g
erant
p
m10101010
Max. difference i
n
m5 5 5 5
16A 16A 16A 16A
Electrolic control Electrolic control Electrolic control Electrolic control
℃17-30 17-30 17-30 17-30
℃18?-45 -7 -?45 18?-45 -7 -?45
m2 10-14 10-14 14-21 14-21
set 126/272/298 126/272/298 126/272/298 126/272/298
Model
Power supply
Cooling
Heating
Moisture Removal
Max. input consumption
Max. current
Starting current
Compressor
Indoor fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Indoor unit
Outdoor fan moto
r
Outdoor air flow
Outdoor noise level
Outdoor unit
Refrigerant type R22(R407C)
Design pressure
Refrigerant piping
Ambient temp
Application area
Qty’per 20’ /40’ /40'HQ
Connection wiring
Plug type
Thermostat type
Operation temp
★1 The noise date is base on hemi-anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient
condition.

4
DSB-125L DSB-125LH DSB-185L DSB-185LH
Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz
Capacit
y
Btu/h 12000 12000 18000 18000
Input W 1350 1350 1960 1960
Rated current A 6.0 6.0 9.4 9.4
EER Btu/w.h, w/w 8.9,2.6 8.9,2.6 9.2,2.7 9.2,2.7
Capacity Btu/h ___________ 14000 / 19000
Input W ___________ 1350 /1856
Rated current A ___________ 6.0 /8.4
COP W/W 3.0 / 3.0
L/h 1.5 1.5 1.9
W1700 1700 2200 2130
A 8.0 8.0 10.2 10.4
A33 33 42 42
Model PH225X2C-4FT PH225X2C-4FT PH290X2C-4FT1 PH290X2C-4FT1
T
yp
e R
ota
r
y
R
ota
r
y
Rotar
y
Rotar
y
Brand
G
M
CC
G
M
CC
GD Toshiba GD Toshiba
Ca
p
acit
y
Btu/h 13197/13299 13197/13299 17435 17435
In
p
ut W 1250/1285 1250/1285 1670 1670
Rated current
(
RL
A
5.7/5.5 5.7/5.5 8.0 8.0
Locked rotor Am
p
A
29.9/33 29.9/33 41.2 41.2
Thermal
p
rotector UP3RE0591-T56 UP3RE0591-T56 Internal Internal
Ca
p
acitor uF
35
35
35
35
Refri
g
erant oil ml 4
80
4
80
5
2
0
5
2
0
Model RP
G
1
3
DRP
G
1
3
DRP
G
2
5
RP
G
2
5
Brand Wellin
g
Wellin
g
Wellin
g
Wellin
g
In
p
ut W
38
.
5
38
.
5
53 53
Ca
p
acitor uF 1.5uF/450V 1.5uF/450V
S
p
eed
(
hi/mi/lo
)
r/min 1180/1000/850 1180/1000/850 1180/1080/800 1180/1080/800
m3/h 580/500/420 580/500/420 800/730/600 800/730/600
dB(A) 37/32/28 37/32/28 42/40/38 42/40/38
Dimension
(
W*H
*
mm 790x265x195 790x265x195 920×292×225 920×292×225
Packin
g
(
W*H*
D
mm 875×375×285 875×375×285 1015X370X295 1015X370X295
Net/Gross wei
g
ht Kg 9.0/11.0 9.0/11.0 13/15 13/15
Model YDK24-6 YDK24-6 YDK36-6 YDK36-6
Brand Welling Welling WELLING WELLING
Input W 85 85 96 96
Capacitor uF 2.5μF/450V 2.5μF/450V 2.5μF/450V 2.5μF/450V
Speed r/min 900 900 900 900
m3/h 2000 2000 1800 1800
dB(A) 54 54 56 56
Dimension
(
W*H*
D
mm 780×540×250 780×540×250 780X540X250 780X540X250
Packin
g
(
W*H*D mm 910x575x335 910x575x335 910x575x335 910x575x335
Net/Gross wei
g
ht Kg 34/37 34/37 37/40 40/42.5
g850 900 1130 1400
MPa 2.6 2.6 2.6 2.6
Liquid side/ Gas
s
mm(inch) Ф6.35/φ12.7 Ф6.35/φ12.7 Ф6.35/φ12.7 Ф6.35/φ12.7
Max. refri
g
erant
p
m10101515
Max. difference i
n
m5 5 8 8
No No No No
16A 16A No No
Electronic control Electronic control Electronic control Electronic control
℃17-30 17-30 17-30 17-30
℃18-45 -7 - 45 17-45 -7 - 45
m2 18-26 18-26 30-40 30-40
set 108/226/266 108/226/266 100/210/245 100/210/245
Model
Power supply
Cooling
Heating
Moisture Removal
Max. input consumption
Max. current
Starting current
Compressor
Indoor fan motor
Indoor air flow (Hi/Mi/Lo)
Indoor noise level (Hi/Mi/Lo)
Indoor unit
Outdoor fan moto
r
Outdoor air flow
Outdoor noise level
Outdoor unit
Refrigerant type R22(R407C)
Design pressure
Refrigerant piping
Ambient temp
Application area
Qty’per 20’ /40’ /40'HQ
Connection wiring
Plug type
Thermostat type
Operation temp
★1 The noise date is base on hemi-anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient
condition.

5
3.Dimensions
3.1 Indoor unit
DSB-075L,DSB-075LH
DSB-095L,DSB-095LH
DSB-125L,DSB-125LH

6
DSB-185L,DSB-185LH

7
3.4 Outdoor unit
DSB-075L,DSB-075LH
DSB-095L,DSB-095LH
3.5 Outdoor unit
DSB-125L,DSB-125LH
DSB-185L,DSB-185LH

8
4.Refrigeration cycle diagram

9
5. Capacity table
5.1 DSB-075L
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.02 1.92 1.79 1.64 1.51 1.41
Sensitive capacity kW 1.44 1.39 1.34 1.27 1.20 1.15
21ºC D
15ºC W
Input kW. 0.70 0.76 0.82 0.88 0.95 1.00
Total capacity kW 2.16 2.07 1.95 1.83 1.71 1.60
Sensitive capacity kW 1.53 1.48 1.43 1.38 1.34 1.32
24ºC D
17ºC W Input kW. 0.70 0.77 0.84 0.90 0.97 1.03
Total capacity kW 2.32 2.27 2.15 1.98 1.81 1.65
Sensitive capacity kW 1.65 1.62 1.56 1.48 1.41 1.34
27ºC D
19ºC W Input kW. 0.72 0.79 0.85 0.92 0.99 1.05
Total capacity kW 2.59 2.47 2.36 2.28 2.18 2.07
Sensitive capacity kW 1.57 1.59 1.57 1.55 1.53 1.54
32ºC D
23ºC W Input kW. 0.71 0.79 0.87 0.95 1.03 1.10
5.2 DSB-075LH
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.02 1.92 1.79 1.64 1.51 1.41
Sensitive capacity kW 1.44 1.39 1.34 1.27 1.20 1.15
21ºC D
15ºC W
Input kW. 0.70 0.76 0.82 0.88 0.95 1.00
Total capacity kW 2.16 2.07 1.95 1.83 1.71 1.60
Sensitive capacity kW 1.53 1.48 1.43 1.38 1.34 1.32
24ºC D
17ºC W Input kW. 0.70 0.77 0.84 0.90 0.97 1.03
Total capacity kW 2.32 2.27 2.15 1.98 1.81 1.65
Sensitive capacity kW 1.65 1.62 1.56 1.48 1.41 1.34
27ºC D
19ºC W Input kW. 0.72 0.79 0.85 0.92 0.99 1.05
Total capacity kW 2.59 2.47 2.36 2.28 2.18 2.07
Sensitive capacity kW 1.57 1.59 1.57 1.55 1.53 1.54
32ºC D
23ºC W Input kW. 0.71 0.79 0.87 0.95 1.03 1.10

10
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 2.75 2.45 2.17 1.40 1.17 1.13
15ºC Input kW. 0.97 0.86 0.77 0.67 0.62 0.65
Capacity kW 2.60 2.33 2.10 1.33 1.23 1.09
18ºC Input kW. 0.99 0.86 0.78 0.71 0.68 0.68
Capacity kW 2.58 2.35 2.08 1.27 1.14 1.11
20ºC Input kW. 1.02 0.90 0.81 0.71 0.67 0.64
Capacity kW 2.40 2.29 1.99 1.07 1.15 1.07
22ºC Input kW. 0.94 0.89 0.81 0.70 0.68 0.63
5.3 DSB-095L
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.44 2.32 2.16 1.98 1.82 1.70
Sensitive capacity kW 1.68 1.63 1.56 1.48 1.40 1.34
21ºC D
15ºC W Input kW. 0.87 0.95 1.02 1.09 1.17 1.24
Total capacity kW 2.62 2.50 2.36 2.20 2.07 1.94
Sensitive capacity kW 1.78 1.73 1.67 1.61 1.56 1.54
24ºC D
17ºC W Input kW. 0.87 0.95 1.03 1.11 1.20 1.28
Total capacity kW 2.80 2.75 2.60 2.40 2.18 1.99
Sensitive capacity kW 1.93 1.89 1.82 1.73 1.64 1.57
27ºC D
19ºC W Input kW. 0.89 0.97 1.05 1.14 1.22 1.30
Total capacity kW 3.05. 2.94 2.86 2.76 2.63 2.50
Sensitive capacity kW 1.83 1.85 1.84 1.81 1.78 1.79
32ºC D
23ºC W Input kW. 0.88 0.98 1.07 1.17 1.27 1.37

11
5.4 DSB-095LH
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 2.44 2.32 2.16 1.98 1.82 1.70
Sensitive capacity kW 1.68 1.63 1.56 1.48 1.40 1.34
21ºC D
15ºC W
Input kW. 0.87 0.95 1.02 1.09 1.17 1.24
Total capacity kW 2.62 2.50 2.36 2.20 2.07 1.94
Sensitive capacity kW 1.78 1.73 1.67 1.61 1.56 1.54
24ºC D
17ºC W Input kW. 0.87 0.95 1.03 1.11 1.20 1.28
Total capacity kW 2.80 2.75 2.60 2.40 2.18 1.99
Sensitive capacity kW 1.93 1.89 1.82 1.73 1.64 1.57
27ºC D
19ºC W Input kW. 0.89 0.97 1.05 1.14 1.22 1.30
Total capacity kW 3.05 2.94 2.86 2.76 2.63 2.50
Sensitive capacity kW 1.83 1.85 1.84 1.81 1.78 1.79
32ºC D
23ºC W Input kW. 0.88 0.98 1.07 1.17 1.27 1.37
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 3.58 3.18 2.80 1.82 1.52 1.47
15ºC Input kW. 1.18 1.05 0.94 0.81 0.75 0.80
Capacity kW 3.37 3.02 2.72 1.73 1.60 1.41
18ºC Input kW. 1.20 1.05 0.96 0.86 0.83 0.84
Capacity kW 3.35 3.05 2.70 1.64 1.48 1.44
20ºC Input kW. 1.24 1.08 0.98 0.86 0.82 0.82
Capacity kW 3.11 2.97 2.57 1.40 1.50 1.39
22ºC Input kW. 1.14 1.07 0.98 0.86 0.82 0.79

12
5.5 DSB-125L
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 3.38 3.21 2.99 2.75 2.52 2.35
Sensitive capacity kW 2.53 2.28 2.18 2.07 1.96 1.88
21ºC D
15ºC W
Input kW. 1.20 1.30 1.41 1.51 1.61 1.72
Total capacity kW 3.62 3.46 3.26 3.06 2.86 2.68
Sensitive capacity kW 2.50 2.42 2.34 2.25 2.19 2.16
24ºC D
17ºC W Input kW. 1.20 1.31 1.43 1.54 1.65 1.76
Total capacity kW 3.88 3.80 3.60 3.32 3.02 2.76
Sensitive capacity kW 2.71 2.65 2.55 2.42 2.30 2.19
27ºC D
19ºC W Input kW. 1.23 1.34 1.45 1.57 1.68 1.80
Total capacity kW 4.12 4.01 3.95 3.82 3.64 3.46
Sensitive capacity kW 2.56 2.59 2.57 2.53 2.50 2.51
32ºC D
23ºC W Input kW. 1.22 1.35 1.48 1.62 1.75 1.89
5.6 DSB-125LH
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 3.38 3.21 2.99 2.75 2.52 2.35
Sensitive capacity kW 2.53 2.28 2.18 2.07 1.96 1.88
21ºC D
15ºC W
Input kW. 1.20 1.30 1.41 1.51 1.61 1.72
Total capacity kW 3.62 3.46 3.26 3.06 2.86 2.68
Sensitive capacity kW 2.50 2.42 2.34 2.25 2.19 2.16
24ºC D
17ºC W Input kW. 1.20 1.31 1.43 1.54 1.65 1.76
Total capacity kW 3.88 3.80 3.60 3.32 3.02 2.76
Sensitive capacity kW 2.71 2.65 2.55 2.42 2.30 2.19
27ºC D
19ºC W Input kW. 1.23 1.34 1.45 1.57 1.68 1.80
Total capacity kW 4.12 4.01 3.95 3.82 3.64 3.46
Sensitive capacity kW 2.56 2.59 2.57 2.53 2.50 2.51
32ºC D
23ºC W Input kW. 1.22 1.35 1.48 1.62 1.75 1.89

13
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 4.81 4.28 3.78 2.45 2.04 1.97
15ºC Input kW. 1.61 1.44 1.29 1.11 1.03 0.99
Capacity kW 4.53 4.06 3.66 2.32 2.14 1.98
18ºC Input kW. 1.65 1.44 1.31 1.18 1.14 1.02
Capacity kW 4.50 4.10 3.63 2.21 1.98 1.94
20ºC Input kW. 1.69 1.48 1.34 1.18 1.12 1.03
Capacity kW 4.20 3.99 3.46 1.87 2.00 1.87
22ºC Input kW. 1.78 1.48 1.35 1.12 1.13 1.07
5.7 DSB-185L
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 4.69 4.45 4.15 3.81 3.50 3.27
Sensitive capacity kW 3.28 3.18 3.04 2.88 2.74 2.62
21ºC D
15ºC W Input kW. 1.70 1.84 1.99 2.14 2.28 2.43
Total capacity kW 5.03 4.81 4.53 4.25 3.97 3.73
Sensitive capacity kW 3.47 3.37 3.25 3.13 3.04 3.00
24ºC D
17ºC W Input kW. 1.70 1.86 2.02 2.17 2.33 2.50
Total capacity kW 5.38 5.28 5.00 4.61 4.20 3.83
Sensitive capacity kW 3.77 3.69 3.55 3.38 3.20 3.06
27ºC D
19ºC W Input kW. 1.73 1.90 2.05 2.22 2.38 2.54
Total capacity kW 5.68 5.57 5.49 5.30 5.06 4.81
Sensitive capacity kW 3.57 3.61 3.58 3.52 3.48 3.50
32ºC D
23ºC W Input kW. 1.72 1.91 2.10 2.29 2.48 2.67

14
5.8 DSB-185LH
SUMMER OUTDOOR TEMPERATURE DRY
Indoor
Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW 4.69 4.45 4.15 3.81 3.50 3.27
Sensitive capacity kW 3.28 3.18 3.04 2.88 2.74 2.62
21ºC D
15ºC W
Input kW. 1.70 1.84 1.99 2.14 2.28 2.43
Total capacity kW 5.03 4.81 4.53 4.25 3.97 3.73
Sensitive capacity kW 3.47 3.37 3.25 3.13 3.04 3.00
24ºC D
17ºC W Input kW. 1.70 1.86 2.02 2.17 2.33 2.50
Total capacity kW 5.38 5.28 5.00 4.61 4.20 3.83
Sensitive capacity kW 3.77 3.69 3.55 3.38 3.20 3.06
27ºC D
19ºC W Input kW. 1.73 1.90 2.05 2.22 2.38 2.54
Total capacity kW 5.68 5.57 5.49 5.30 5.06 4.81
Sensitive capacity kW 3.57 3.61 3.58 3.52 3.48 3.50
32ºC D
23ºC W Input kW. 1.72 1.91 2.10 2.29 2.48 2.67
WINTER OUTDOOR CONDITIONS
Indoor
Conditions 12ºC D
11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D -1ºC W -4ºC D -6ºC W -7ºC D -8ºC W
Capacity kW 6.92 6.15 5.44 3.52 2.94 2.83
15ºC Input kW. 2.45 2.19 1.96 1.69 1.57 1.45
Capacity kW 6.52 5.84 5.27 3.35 3.09 2.78
18ºC Input kW. 2.51 2.19 1.99 1.80 1.73 1.48
Capacity kW 6.48 5.90 5.22 3.18 2.86 2.79
20ºC Input kW. 2.57 2.25 2.04 1.79 1.70 1.51
Capacity kW 6.02 5.74 4.98 2.70 2.88 2.75
22ºC Input kW. 2.38 2.25 2.05 1.79 1.71 1.53

15
6. Schematic diagram and wiring diagram
6.1 Schematic diagram
12345678
A
B
C
D
8
7654321
D
C
B
A
C1
104
Vin
1
GND
2
Vout 3
IC3 7 80 5 +5V
E3
470uF/16V
E1
2200uF/25V
C4
104
D4
D3
D2
D1
Vin
1
GND
2
Vout 3
IC1 7 81 2 +12V-a
E2
1000uF/16V
C3
104
X1
4M
R7
1M
A0 1
A1 2
A2 3
GND 4 SDA
5SCL
6WC
7VCC
8
IC2
24C04
+5V C2
104
R2
10K
R1
10K
SDA
SDA
SCL
SCL
C5
104
+5V R4 12K
1
23
IC5 KIA7042
RST
RST
BUZ1
BUZZER1
R5
1K
+12V
R27
2K
Q3
9014
BUZ
BUZ
E4
10uF/16V
R8
8.1K/1%
C6
104
R10 2K
D6
IN4148
D5
IN4148
+5V
1
2
CN2
T1_room
T1_room
T1_room
E5
10uF/16V
R9
8.1K/1%
C7
104
R11 2K
D8
IN4148
D7
IN4148
+5V
1
2
CN3
T2_I.pipe
T2_I.pipe
T2_I.pipe
CT1
0057h
D10
1N4148
R14
1.4K/1%
R6
1K/1%
R13
16K
E6
10uF/16V
D9
1N4148
R12 2K
C8
104
+5V
Current
Current
Q2
9014
R15
12K C9
104
D11 1N4148
D12 1N4148
R16 12K
R17
12K
R18 10K
+5V ZERO
ZERO
A
B
B
A
E7
10uF/16V
C10
102
R19 150
+5V R20 1K
C11
104
REC
REC
R215.1K
D13
IN4148
C12
103
+5V
1
2
3
CN4
FAN_BACK
+12V-a
FANSP_FEEDBACK
FANSP_FEEDBACK
REC
V
GND
REC1
RECEIVER_V
JR7
10K C13 104
R23 2K
+5V
AUTO_SELECT
AU TO_ S ELECT
C14
1.2uF/450V IC6 PC817
T1T2
G
TR1
BT131 L2
?
C15
333
R242K +12V-a
R26
1K
E9
470uF/25V
R28
11K/2W
Z1
12V D15
IN4007
R29
11K/2W
L1
N
R25 51/1W
FAN_IN '
FAN_IN
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
VSS
8VDD 9
OUT7 10
OUT6 11
OUT5 12
OUT4 13
OUT3 14
OUT2 15
OUT1 16
IC7
UJN20 0 3
STEP_I2
STEP_I1
STEP_I3
STEP_I4
STEP_I2
STEP_I1
STEP_I3
STEP_I4
+12V-a
C19
104
1
2
3
4
5
CN12
SWING
FAN_IN '
FAN_IN
BUZ'
BUZ'
COMP
COMP
COMP '
COMP '
RY2
RELAY-SPST
+12V-a
D21
IN4148
R33
2K
Q5
9014
RY3
RELAY-SPST
+12V-a
D22
IN4148
R34
2K
Q6
9014
RY4
RELAY-SPST
+12V-a
D23
IN4148
R35
2K
Q7
9014
RY5
RELAY-SPST
+12V-a
D24
IN4148
C20
333
R36
51/1W
VALVE
VALVE
FAN_OUT
FAN_OUT
HEAT
HEAT
RY6
COMP
C21
333
R37
51/1W
+12V-a
1
CN14
N
L(POWER_IN PORT)
LOAD_COMP
N
FUSE1
3.15A/250V
L1
L1
FRESH
FUSE2
10A
LOAD_VALVE
LOAD_FAN OUT
LOAD_HEAT L
LOAD_HEAT N
1
CN11
N
1
CN10
HEAT_L
1
CN9
HEAT_N
1
2
CN13
ZR1
10D471K
C23
0.1uF/275VAC
1
2
CN15
TRANS_IN
SW1
t
PTC
82RM
R39
5.1K C22
104
R38
10K
+5V
SW_TEST
SW_TEST
On l y Fo r He at Pum p
Dsa
1
Dsb
2
Q0 3
Q1 4
Q2 5
Q3 6
GND
7
CP
8
MR
9Q4 10
Q5 11
Q6 12
Q7 13
Vcc
14
IC8
74HC164
+5V
+5V
COM1
COM2
COM3SEG1
SEG2
SEG3
SEG4
R60
10K
R59
10K
+5V
C24
104
SEG3
SEG4
Q8
9012
Q9
9012
Q10
9012
R44 330
R45 330
R46 330
R47 330
R48 330
R49 330
R54 330
R55 330
R41
2K R42 2K R43 2K
LED6
自动
LED7
化霜
LED8
定时
+5V
a
b
c
d
e f
g h
com1 com2
DIS1
WT4021BG
COM1 COM2 COM3
LED9
运行灯
1
2
3
4
5
CN6
FAN_IN
+12V-a
COM1
COM2
COM3SEG1
SEG2
SEG3
SEG4
SCL
SDA
T1
T2
CURRENT
AUTO_SELECT SW
STEP_I1
STEP_I2
STEP_I3
STEP_I4
FAN_IN
BUZ
COMP
VALVE
FAN_OUT
ZERO
FANSP
REC
HEAT
FRESH
RST
X2
X1
C25
104
+5V
IN4007*4
VSS0
1
VDD0
2
P25
3
P26
4
P00
5
P01
6
P02
7
P03
8
P04
9
VSS1
10
P05
11
P50
12
P51
13
P52
14
P53
15
AVDD
16
AVREF
17
AN10
18
AN11
19
AN12
20
AN13
21 AN14 22
AN15 23
AVSS 24
P10 25
P11 26
P30 27
P31 28
P32 29
P33 30
P20 31
VDD1 32
P21 33
P22 34
P23 35
P24 36
Vpp/IC 37
XT2 38
XT1 39
RESET 40
X2 41
X1 42
IC4
UPD789 166
+5V
C26
104
JR1
10K
JR3 10K
JR2 10K
JR5 10K
JR4 10K
+5V
C16
102
C17
102
JR6
10K
JR8
10K
JR9
10K
+5V
R41
10K
R41
10K
R41
10K
+5V +5V
FRESH
R61
2K
Q11
9014
R62
1K
IC9
PC817
SW2
+12V-a +12V-b
R63
5.1K Q12
9014
GNDB
+12V-b 1
2
CN16
C23
104
E10
2200uF/25V
D19
D18
D17
D16 Vin
1
GND
2
Vout 3
IC10 7812 +12V-b
E11
1000uF/16V
C24
104
C
D
IN4007*4
1
2
3
4
CN1
TRANS
GNDB

16
6.2 Wiring diagram
6.2.1 Cooling only
6.2.1.1 DSB-075L,DSB-095L, DSB-125L
1
2(N)
Y&G
BLUE
S
RED
CBLACK
R
BLACK
COMPRESSOR
CAPACITOR
FAN
MOTOR
BLUE
RED
R
ED
R
ED
B
LACK
Y&G
INDOOR
UNIT
OUTDOOR
UNIT

17
6.2.1.2 DSB-185L
INDOOR UNIT
COMPRESSOR
CAPACITOR
COMPRESSOR
Y/G WHITE
S
BLUE
R
C
OVERLOAD
RELAY
RED
OUTDOOR UNIT
CAPACITOR
FAN
FAN
MOTOR
BLUE
RED
BLACK
Y&G
BLACK
BLACK

18
6.2.2 Heating/cooling
6.2.2.1 DSB-075LH,DSB-095LH, DSB-125LH
INDOOR UNIT
OUTDOOR UNIT

19
6.2.2.2 DSB-185LH
INDOOR UNIT
OUTDOOR UNIT
RED
BLACK
BLUE
BLACK
Y&G
COMPRESSOR
C
S
R
WHITE
BLUE
COMPRESSOR
CAPACITOR
FAN
MOTOR RED
BLUE
FAN CAPACITOR
BLACK
BLUE
4-WAY
Y/G
OVERLOAD
RELAY