Internal Use nly http://biz.lgservice.co Multi Air Conditioner SVC MANUAL(Exploded View) MDEL : A7UW406FA3[FM40AH UH3] CAUTIN Before Servicing the unit, read the safety precautions in General SVC anual. nly for authorized service personnel.
1. Specification utdoor Unit utdoor Unit Noinal Capacity Cooling kw (Min~Rated~Max) Btu/h Heating kw Btu/h Noinal Input Cooling kw (Min~Rated~Max) Heating kw Energy label Testing Cobination Running Current Cooling A Heating A Starting Current (Cooling/Heating) A Power Supply Ø / V / Hz Power Supply Cable (outdoor) No.x 2 Power and transission cable (outdoor to BD) No.x 2 Power and transission cable (BD to indoor) No.x 2 Diensions W*H*D (inch) Net Weight kg(lbs) Max. Nuber of Connectable Indoor Units Copressor (Inverter) Type Qty x Model Motor Type il Charge volue cc il Type Refrigerant Charge (at 5) g(oz) Type Control Heat Exchanger Rows x Colun x FPI Defrosting Method Fan Capacitor µf/vac Drive Discharge direction Side / Top Air Flow Rate CMM(CFM) Noise Level(H/L) Sound Pressure at 1 db(a)±3 Piping connections Liquid(Ø) (inch) Gas(Ø) (inch) Max. Interunit Piping Length Total Piping(Main+Total Branch) Main Piping Total Branch Piping Each Branch Piping Max. Elevation Difference Indoor Unit~utdoor Unit Indoor Unit~Indoor Unit A7UW406FA3[FM40AH UH3] 2.8~11.7~13.5 9,600~40,000~46,000 3.2~13.5~15.0 11,040~46,000~51,000 1.1~3.63~4.65 1.4~3.65~4.84 A/A MS07AH N40 * 7EA 6.2~16.0~20.0 6.9~16.4~20.5-1/220~240/50 3*3.5 4*1.25(Including Earth) 4*0.75(Including Earth) 900*1165*370(35.4*45.8*14.5) 93(205) 7 Twin-Rotary 5JD420Z BLDC 1300 FV50S 4,400(155) R410A EEV 2R x 50C x 18 Reversing cycle 6 / 370 Direct Side 53(1,872) x 2 58 9.52(3/8) 19.05(3/4) 100 40 60 15 30 15 Note: 1. Capacities are based on the following conditions: Cooling: - Indoor Teperature 27 C(80.6 F) DB/19 C(66.2 F) WB - utdoor Teperature 35 C(95 F) DB/24 C(75.2 F) WB Heating: - Indoor Teperature 20 C(68 F) DB/15 C(59 F) WB - utdoor Teperature 7 C(44.6 F) DB/6 C(42.8 F) WB Piping Length - Interconnecting Piping Length 7.5 - Level Difference of Zero 2. Wiring cable size ust coply with the applicable local and national code. 3. The specification ay be subject to change without prior notice for purpose of iproveent. Conversion Forula kw = Btu/h x 0.0002931 cf = CMM x 35.3 nly for training and service purposes - 2 - LGE Internal Use nly
2. Function Table Category Reliability Convenience CAC network function Special function kit thers Function Defrost / Deicing High pressure switch Low pressure switch Phase protection Restart delay (3-inutes) Self diagnosis Soft start Test function Auto operation(artificial intelligence) Auto restart operation Network soluation(lgap) PDI(Power Distribution Indicator) PI485 Low Abient Kit Theristor A7UW406FA3 [FM40AH UH3] X X X PQNUD1S00 PMNFP14A0 (Logic) - Note : : Applied, X: Not applied, - : No relation, ption: Model nae & price are different according to options, and assebled in factory with ain unit. Accessory: Installed at field, ordered and purchased separately by the corresponding odel nae, supplied with separate package. nly for training and service purposes - 3 - LGE Internal Use nly
3. Piping Diagras Refrigerant flow) utdoor Unit Cooling Heating R/Valve Th1 Accuulator il Separator S/V(2) Th4 S/V(1) Th3 Heat Exchanger Field piping Gas(Ø19.05) L/P Field piping Liquid(Ø9.52) Copressor Th2 LC. Description PCB Connector Th1 Theristor for outdoor air teperature CN_TH2 Th2 Theristor for condensing teperature CN_TH2 Th3 Theristor for discharge pipe teperature CN_TH3 Th4 Theristor for suction pipe teperature CN_TH3 S/V(1) Solenoid Valve for Hot Gas CN_H/GAS S/V(2) Solenoid Valve for il Separator CN_IL/S L/P Low Pressure Switch CN_PRESS nly for training and service purposes - 4 - LGE Internal Use nly
4. Wiring Diagras CN_FAN(B) CN_FAN(A) CN_H/GAS CN_IL/S CN_PFC_IN CN_4WAY CN_PRESS CN_PFC_UT CN_TH3 CN_TH2 CN_CM nly for training and service purposes - 5 - LGE Internal Use nly
5. Exploded View 437210 435512 559010 435301 437211 137213 435511 546810 546810 349600 649950 268711 447910 430411 W6640A W6920 W0CZZB W6640B W6200 561410A 552204 561410B 561410C 566000 W4986B 548490 552116 554031B 554160 W4986A 552114 552203B 148000 552203A 437212 554031A 567480E 567480D 552111 552112 Note) * Please ensure GCSC since the replaceent parts ay be changed depending upon the buyer's request. Please check the correct parts in View RPL(Replaceent Part List) on GCSC. (GCSC Website http://biz.lgservice.co,) nly for training and service purposes - 6 - LGE Internal Use nly
P/N : MFL37468318 January, 2008