Daewoo DMB-G078LH-V Service Manual
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Daewoo DMB-G078LH-V Service Manual

Daewoo DMB-G078LH-V Service Manual

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S/M NO : DMBG078001

Service Manual

Split System

Air Conditioner

Model: DMB-G078LH-V
DMB-G098LH-V
DMB-G128LH-V
DMB-G2713LH-VO
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.
APR., 2006

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Summary of Contents for Daewoo DMB-G078LH-V

  • Page 1: Service Manual

    S/M NO : DMBG078001 Service Manual Split System Air Conditioner Model: DMB-G078LH-V DMB-G098LH-V DMB-G128LH-V DMB-G2713LH-VO 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.

  • Page 2: Table Of Contents

    Contents 1. Features 2. Specification 3. Dimensions 4. Refrigeration cycle diagram 5. Operation limits 6. Wiring diagram 7. Troubleshooting 8. Electronic function...

  • Page 3: Features

    1.Features 1.1 Powerful at cooling/heating, 1.3 times and 1.6 times relatively higher than normal same type of models. 1.2 Low voltage start-up function, even at 160 V it can normally start. 1.3 Anti-icing function at cooling mode. 1.4 Anti-cold air function at heating mode. 1.5 Auto-defrosting and heating recovering function at heating mode.

  • Page 4: Specification

    2. Specification Model Item DMB-G078LH-V DMB-G098LH-V DMB-G128LH-V Power source 220-240V~ 50Hz 220-240V~ 50Hz 220-240V~ 50Hz Capacity BTU/H 7000(2700~9000) 9000(2730~10600) 12000(3070~12300) Input 820(250~1200) 1080(270~1470) 1400(310~1710) Cooling Running current A 4.8(1.35~6.2) 6.0(1.45~7.6) 7.5(1.6~8.8) BTU/W.H Capacity BTU/H 9000(2700~11000) 12000(2730~14000) 14000(3070~17000) Heating Input 1010(250~1300)

  • Page 5: Dimensions

    3. Dimensions 3.1 Indoor Unit(DMB-G078LH-V, DMB-G098LH-V)
  • Page 6 3.2 Indoor Unit (DMB-G128LH-V) 3.4 Outdoor Unit (DMB-F2713LH-VO)

  • Page 7: Refrigeration Cycle Diagram

    4. Refrigeration Cycle Diagram Indoor unit outdoor unit Valve Sensor of room temp Heat exchanger 4 way valve Sensor Heat exchanger Sensor of temp Sensor of heat exchanger temp Sensor of heat exchanger temp Compressor Valve Capillary...

  • Page 8: Operation Limits

    5. Operation Limits 5.1 Cooling operation Outdoor unit air temp. Indoor air temp. Note :the chart is the result from the continuous operation under constant air temperature conditions. however, excludes the initial pull-down stage. 5.2 Heating operation Indoor air temp. Outdoor unit air temp.

  • Page 9: Wiring Diagram

    Wiring Diagram Indoor unit (DMB-G078LH-V, DMB-G098LH-V)
  • Page 10 Indoor unit(DMB-G128LH-V) Outdoor unit (DMB-F2713LH-VO)

  • Page 12: Electronic Function

    8 .Electronic Function General Protection 8.1.1 Temperature Protection of Compressor Top 8.1.2 3 minutes Delayed Starting Protection of the Compressor 8.1.3 Voltage Protection 8.1.4 The frequency Up-Down speed at which the compressor starts, operates and shuts off will be subject to the following principles (outdoor chip): 1HZ/S 92Hz 2HZ/S...
  • Page 13 8.2.5 Performance at Auto mode at Fan-only status is the same as that at Auto mode at cooling status, provided that the set temperature is 24°c. °C 27.5 High 27.0 25.5 25.0 Cooling Mode Function Requirement 8.3.1 At cooling mode the 4 way valve is off. 8.3.2 Anti-icing Control for Indoor Evaporator When the temperature of indoor heat exchanger drops to...
  • Page 14 8.3.4 Indoor fan operates in accordance with the following principles: 8.3.4.1 When indoor fan is in operation, it can be remote controlled to High/Mid/Low/Auto modes. 8.3.4.2 The fan speed at Auto mode in cooling status is subject to the following: °C room temperature - set temperature +4.0...
  • Page 15 8.4.6 At dehumidifying mode, the power voltage and outdoor temperature limitation to the highest frequency when compressor starts and operates is the same as that at cooling mode. Heating Mode Function Requirement 8.5.1 At heating mode, the 4 way valve is on, during defrosting operation, it is off. 8.5.2 Outdoor fan usually turns on or off in accordance with the action of compressor, except for defrosting and ending of the defrost.
  • Page 16 8.5.5 Outdoor Unit current control when heating Note: The frequency in the table Compressor off goes down in accordance (11.5A) 10.0A with the present frequency, frequency down determine every 2 seconds whether it keeps going (10.5A) 8.8A down or it is recovering. frequency unchanged (9.2A) 7.4A 8.5.6...
  • Page 17 The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 80 minutes, and the temperature remains consecutively Ti2 for more than 3 minutes. Model Ti2: DSB-G098LH-V -7°c DSB-G128LH-V -7°c The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 120 minutes, and the temperature remains consecutively Ti3 for more than 3 minutes.
  • Page 18 8.5.9 Set Function Test When it is detected that the outdoor temperature is between 5 - 9°c and room temperature is between 18 - 22°c, provided that the heating operation remains consecutively more than 30 minutes, the compressor's highest operational frequency is FMAX=F8=96HZ. If any of the above conditions is not met, it will quit from set frequency operation.
  • Page 19 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” PRINTED DATE: APR., 2006...

This manual is also suitable for:

Dmb-g128lh-vDmb-g098lh-vDmb-g2713lh-vo

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