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Daewoo DSC-3220E/3220L service manual Pin Name Symbol Description, Vin Ovp, Iin H, Tj Tsd

Models: DSC-3220E/3220L

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Service manual SC-150

4-8-4 Pins description

pin

name

 

 

symbol

 

description

 

 

 

 

1

Overcurrent / feedback

 

O.C.P./ F.B.

 

Input of over current detection signal and

 

 

 

 

 

 

 

feedback signal

 

 

 

 

2

Source

 

 

S

 

MOSFET source

 

 

 

3

Drain

 

 

D

 

MOSFET drain

 

 

 

 

4

Supply

 

 

VIN

 

Input of power supply for control circuit

 

5

Ground

 

 

GND

 

Ground

 

 

 

 

4-8-5 Control part electrical characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DESCRIPTION

IC PIN

SYMBOL

 

 

RATING

 

 

UNIT

 

 

 

 

 

 

 

 

NUMBER

 

MIN.

 

TYPE

MAX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation start voltage

4-5

 

VIN (on)

 

14.4

 

16

17.6

 

V

 

 

 

 

 

 

 

 

 

 

 

Operation stop voltage

4-5

 

VIN (off)

 

9

 

10

111

 

V

 

 

 

 

 

 

 

 

 

 

 

Circuit current in

4-5

 

IIN (on)

 

-

 

-

30

 

mA

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit current in non-

4-5

 

IIN (off)

 

-

 

-

100 mA

 

A

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum OFF time

-

 

TOFF (max)

 

45

 

-

55

 

SEC

 

 

 

 

 

 

 

 

 

 

 

Minimum time for input of

1-5

 

TTH (2)

 

-

 

-

1.0

 

SEC

quaxi resonant signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum off time

-

 

TOFF (min)

 

-

 

-

1.5

 

SEC

O.C.P./F.B. terminal

1-5

 

VTH (1)

 

0.68

 

0.73

0.78

 

V

threshold voltage 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal

1-5

 

VTH (2)

 

1.3

 

1.45

1.6

 

V

threshold voltage 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal extraction

1-2

 

IOCP/FB

 

1.2

 

1.35

1.5

 

mA

current

 

 

 

 

 

 

 

 

 

 

 

O.V.P. operation voltage

4-5

 

VIN (OVP)

 

20.5

 

22.5

24.5

 

V

 

 

 

 

 

 

 

 

 

 

 

Latch circuit sustaining voltage

4-5

 

IIN (H)

 

-

 

-

400

 

A

 

 

 

 

 

 

 

 

 

 

 

Latch circuit release voltage

4-5

 

VIN (La.off)

 

6.6

 

-

8.4

 

V

 

 

 

 

 

 

 

 

 

 

 

Thermal shutdown operating

-

 

TJ (TSD)

 

140

 

-

-

 

0 C

temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-37-

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Daewoo DSC-3220E/3220L service manual Pin Name Symbol Description, Vin Ovp, Iin H, Tj Tsd
Page 37 Page 39

DSC-3220E/3220L specifications

The Daewoo DSC-3220E/3220L is a noteworthy addition to the lineup of high-efficiency air conditioning solutions, specifically crafted to meet the demands of varying climatic conditions. With a blend of innovative technologies and robust design, these models stand out in the realm of home and commercial air conditioning.

One of the main features of the DSC-3220E/3220L is its efficient cooling performance. The units are built with advanced rotary compressors, which are designed to operate efficiently while providing powerful cooling capabilities. This allows for quick temperature adjustments, making it an ideal choice for those who seek rapid relief from heat.

Another remarkable aspect of the DSC-3220E/3220L is its energy-efficient operation. With a superior Energy Efficiency Ratio (EER), these air conditioning units ensure that energy consumption is minimized without compromising comfort. This not only reduces electricity bills but also contributes to a smaller carbon footprint, making it an environmentally friendly choice.

The units also come equipped with state-of-the-art air filtration technologies. The multi-layer air filters are designed to capture dust, pollen, and other airborne particles, ensuring that the air in the environment remains clean and healthy. This feature is particularly beneficial for allergy sufferers and enhances the overall indoor air quality.

In terms of user convenience, the DSC-3220E/3220L models are engineered with user-friendly controls. Many features, including temperature settings and fan speeds, can be easily adjusted through a remote control or a digital display panel on the unit itself. This ensures that users can customize their comfort levels with minimal effort.

Noise reduction is another critical characteristic of the DSC-3220E/3220L. Both models are designed with silent operation in mind, making them suitable for bedrooms, offices, and other environments where noise can be a distraction. The sound insulation techniques employed help maintain a serene atmosphere while enjoying optimal cooling.

Furthermore, installation of the DSC-3220E/3220L air conditioning systems is straightforward, making them accessible for residential and commercial settings alike. The compact design and versatility in installation options allow these units to fit seamlessly into various spaces without sacrificing performance.

Overall, the Daewoo DSC-3220E/3220L embodies a fine balance of efficiency, technology, and user-centric design, making it a commendable choice for air conditioning needs in diverse settings. With its reliable performance and thoughtful features, it continues to gain popularity among consumers looking for effective climate solutions.