LG LZ-H015GBA2 Service Manual
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LG LZ-H015GBA2 Service Manual

LG LZ-H015GBA2 Service Manual

Ventilation system air conditioner
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See also: Owner's Manual
Ventilation System Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LZ-H015GBA2
LZ-H025GBA2
LZ-H035GBA2
LZ-H050GBA2
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
LZ-H080GBA2
LZ-H100GBA2
LZ-H150GBA2
LZ-H200GBA2
Internal Use Only
http://biz.lgservice.com

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Summary of Contents for LG LZ-H015GBA2

  • Page 1 Internal Use Only http://biz.lgservice.com Ventilation System Air Conditioner SVC MANUAL(Exploded View) MODEL : LZ-H015GBA2 LZ-H080GBA2 LZ-H025GBA2 LZ-H100GBA2 LZ-H035GBA2 LZ-H150GBA2 LZ-H050GBA2 LZ-H200GBA2 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Table Of Contents

    Control Part Detailed Drawing ................27 Descriptions for Control Circuit .................29 Troubleshooting ....................31 Feature Dimensions Diagram ................38 Accessaries / Option ...................43 - 2 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

    M o r e t h a p a - 3 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4 Service Center. leakage circuit breaker or switch. • It may cause fire. • It may cause fire and electric shock. - 4 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 (it may not well ventilated) - 5 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Standards For Model

    Excluding the first digit of ventilating capacity per hour 50:500CMH Heat Exchange Mode H: Total heat(including humidity) T: Sensible heat(temperature only) Product classification LZ : ventilation - 6 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Product Standards

    Temperature efficiency Heating Enthalpy efficiency Cooling Noise dB(A) Air Filter Non-woven fabric filter Weight Dimensions 750(W) X 680(D) X 250(H) - 7 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 Temperature efficiency Heating Enthalpy efficiency Cooling Noise dB(A) Air Filter Non-woven fabric filter Weight Dimensions 988(W) X 1014(D) X 273(H) - 8 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 Temperature efficiency Heating Enthalpy efficiency Cooling Noise dB(A) Air Filter Non-woven fabric filter Weight Dimensions 1062(W) X 1140(D) X 365(H) - 9 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 Temperature efficiency Heating Enthalpy efficiency Cooling Noise dB(A) Air Filter Non-woven fabric filter Weight Dimensions 1313(W) X 1140(D) X 738(H) - 10 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Descriptions For Operation And Functions

    Prevents clogging of the Total heat exchanger due to 4. Maintenance cover dust. ❈ The figure of Total heat Exchanger can be different by the Product Model. - 11 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 It is used in guiding for the installation of Total Heat outdoor. Exchanger. ❈ The figure of Total heat Exchanger can be different by the Product Model. - 12 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 It is used in guiding for the installation of Total Heat outdoor. Exchanger. ❈ The form of Total Heat Exchanger varies according to models. - 13 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: How To Disassemble

    (in case that the Maintenance Cover is screwed up, unscrew it first.) • Be careful of sharp area when taking the fan out. EA Motor SA Motor - 14 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: Control Box

    (in case that the Maintenance Cover is screwed up, unscrew it first.) • Be careful of sharp area when taking the fan out. Main body - 15 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 (in case that the Maintenance Cover is screwed up, unscrew it first.) • Be careful of sharp area when taking the fan out. Main body - 16 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 (in case that the Maintenance Cover is screwed up, unscrew it first.) • Be careful of sharp area when taking the fan out. Main body - 17 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Disassembly Diagram (Deal Drawing)

    Disassembly Diagram (Deal Drawing) Models: LZ-H015GBA2 340090 152311 (Outdoor) 567480B (Outdoor) 346810B 567480A (Indoor) 268711 359012 268711E 261704 359012 346810A (Indoor) - 18 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 Disassembly Diagram (Deal Drawing) Models: LZ-H025GBA2 / LZ-H035GBA2 268711 268711E (Indoor) 567480B 346810B 359012 (Outdoor) 567480A (Indoor) 340090 159830 346810A 359012 (Indoor) - 19 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 359012 W6640 340090 159830 349480 261704 268711A 268711E 346810 (Indoor) 346810 (Outdoor) 249950 349011 (Outdoor) 567480B 567480A 146812 (Indoor) - 20 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 W6640 340090 249950 261704 268711A 268711E 359012 (Indoor) 346810 (Outdoor) 346810 349490A 349490B (Outdoor) 349011 567480B 567480A (Indoor) 146812 - 21 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 261704A 137210 W6640B 261704B 268711E 268711 359012 (Indoor) 135511 346810 (Outdoor) 346810 (Outdoor) 567480B 567480A 349011 (Indoor) 349490 146812 - 22 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Wiring Diagram

    • This product has different wiring method by system configuration. Perform the wiring work(electric working) on several necessary parts(areas). - 23 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 24 • This product has different wiring method by system configuration. Perform the wiring work(electric working) on several necessary parts(areas). - 24 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 • This product has different wiring method by system configuration. Perform the wiring work(electric working) on several necessary parts(areas). - 25 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 • This product has different wiring method by system configuration. Perform the wiring work(electric working) on several necessary parts(areas). - 26 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Control Part Detailed Drawing

    Control Part Detailed Drawing Control Part Detailed Drawing Models: LZ-H015GBA2 / LZ-H025GBA2 / LZ-H035GBA2 / LZ-H050GBA2 This product has different wiring method by system configuration. Perform the wiring work(electric working) on several necessary parts(areas). Identification of inside control box CN-CO2...
  • Page 28 Fan motor connector(Supplying Air) OPTION SWITCH Option Switch CN-DAMPER Synchronous Motor connector CN-REMO Remote controller terminal block CN-CC Central controller connector - 28 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 29: Descriptions For Control Circuit

    Total Heat Exchange Sub Function Operation Power-Saving Quick Operation Low speed High speed Super high speed Operation - 29 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 Automatic Operation Quick Operation Normal Operation Operation Operation Super Super High High high high speed speed speed speed speed speed - 30 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 31: Troubleshooting

    Check the Outdoor temperature • Isn't it in defrosting operation? ❈ The part marked with * is not applied to LZ-H015GBA2 / LZ-H025GBA2 / LZ-H035GBA2 - 31 - Copyright ©2010 LG Electronics. Inc. All right reserved.
  • Page 32 • Stop the ventilation system using remote remote controller is system controller, and temporarily turn the power indicated and ventilation system operates - 32 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Breakdown mode 4: Ventilation system does not work. It works abnormally. Check the checklist table(table 4) of ventilation system. - 33 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 50mm intervals. multicable. • Replace the remote controller • Running out of liquid crystal Odd message displayed on the screen - 34 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 • Connector failure related to motor • Check the connection of circuit connector CH10 and exhaust fan and lead line connecting connector - 35 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 • Activate the ventilation stop in LCD remote system with remote controller to stop ventilating. controller (multi remote controller displayed) - 36 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 • Displayed power saving operation • Normal condition with no errors changing and • Displayed intermittent operation ventilating fans (40~45℃) - 37 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 38: Feature Dimensions Diagram

    LZ-H015GBA2 ❈ It necessary to secure sufficient space for maintenance more than the dimensions described in the product service. - 38 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 LZ-H035GBA2 ❈ It necessary to secure sufficient space for maintenance more than the dimensions described in the product service. - 39 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 40 1025 ❈ It necessary to secure sufficient space for maintenance more than the dimensions described in the product service. - 40 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 41 LZ-H100GBA2 ❈ It necessary to secure sufficient space for maintenance more than the dimensions described in the product service. - 41 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 42 Pitch of Suspension Fixture Duct Connection Flange Nominal Diameter Duct Pitch Weight Model (kg) LZ-H150GBA2 1313 1140 1176 LZ-H200GBA2 - 42 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 43: Accessaries / Option

    14. SETTING/CANCEL BUTTON 15. EXIT BUTTON ❊ Some functions may not be operated and displayed depending on the product type. - 43 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 44 ※ Operation LED will Turn ON 'Green color' during the operation of indoor unit. If any error occurs, the LED will turn red. ※ Some functions may not be operated and displayed depending on th product type. - 44 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 45 FEBRUARY, 2010 P/No.: MFL63279702...

This manual is also suitable for:

Lz-h050gba2Lz-h080gba2Lz-h025gba2Lz-h035gba2Lz-h100gba2Lz-h200gba2 ... Show all

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