User manual LG MG-6045NS

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Manual abstract: user guide LG MG-6045NS

Detailed instructions for use are in the User's Guide.

[. . . ] Store the operation and installation manual in a safe location and remember to hand it over to the new owner if the air This manual explains how to install an indoor unit with a split system with two LG units. The use of other types of units with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be responsible for damages arising from the use of non compliant units. The manufacturer shall not be responsible for damage originating from unauthorized changes or the improper connection of electric and requirements set forth in the "Operating limits" table, included in the manual, shall immediately invalidate the warranty. [. . . ] Replace the terminal board cover, carefully tightening the screw. Connect the power cable to the auxiliary circuit breaker. The designs and shape are subject to change according to the model. 3 4 5 6 MH040FXA2B/MH050FXA2B/MH18VF1X/MH19VF1X A-unit 1(L) 2(N) F1 F2 Indoor unit 1(L) B-unit 2(N) F1 F2 1 2 F1 F2 Assembly cable 1 2 F1 F2 Earth terminal B 1 2 C F1 F2 Earth terminal B 1 2 C F1 F2 Earth terminal Earth terminal Outdoor unit 1(L) 2(N) 1(L) 2(N) L N Power cable to indoor units Cable Type: A Cable Type: B Cable Type: C A Main Power supply cable Earth terminal F1 F2 F1 F2 1 2 Communication cable to indoor units The specification for cables : Model MH040FX*A2B MH050FX*A2B MH18VF1X MH19VF1X MH060FX*A3B MH070FX*A4B MH080FX*A4B Main Power Supply Cable Indoor Power Supply Cable Type Specication Type Specication 3G, 2. 5mm2 or more, H07RN-F 3G, 1. 0mm2 or more, H07RN-F Communication Cable Specication Type 2G, 0. 75mm2 or more, H07RN-F FUSE 20A MCCB Frame : 30A Trip : 20A Frame : 30A Trip : 25A Frame : 30A Trip : 30A Type GL 20A 25A 30A 20A 30A Connect the power cable to the auxiliary circuit breaker. If every pole fails to connect to the power supply, it must be incorporated in a wire with a contact opening of 3mm. E-15 INSTALLING THE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit(Continued) MH060FXA3B A-unit 1(L) 2(N) F1 F2 B-unit 1(L) 2(N) F1 F2 Indoor unit C-unit 1(L) 2(N) F1 F2 1 B 2 F1 F2 1 2 F1 F2 Assembly cable 1 2 F1 F2 Earth terminal 2 C F1 F2 B 1 2 Earth terminal C F1 F2 B 1 2 Earth terminal C F1 F2 1 Earth terminal Earth terminal Earth terminal Outdoor unit 1(L) 2(N) 1(L) 2(N) 1(L) 2(N) L N Main Power supply cable F1 F2 F1 F2 F1 F2 A B C Power cable to indoor units A 1 2 A Earth terminal B C Communication cable to indoor units Cable Type: A Cable Type: B Cable Type: C The specification for cables : Model MH040FX*A2B MH050FX*A2B MH18VF1X MH19VF1X MH060FX*A3B MH070FX*A4B MH080FX*A4B Main Power Supply Cable Indoor Power Supply Cable Type Specication Type Specication 3G, 2. 5mm2 or more, H07RN-F 3G, 1. 0mm2 or more, H07RN-F Communication Cable Specication Type 2G, 0. 75mm2 or more, H07RN-F FUSE 20A MCCB Frame : 30A Trip : 20A Frame : 30A Trip : 25A Frame : 30A Trip : 30A Type GL 20A 25A 30A 20A 30A Connect the power cable to the auxiliary circuit breaker. If every pole fails to connect to the power supply, it must be incorporated in a wire with a contact opening of 3mm. E-16 INSTALLING THE OUTDOOR UNIT MH070FXA4B / MH080FXA4B A-unit 1(L) 2(N) F1 F2 B-unit 1(L) 2(N) F1 F2 Indoor unit C-unit 1(L) 2(N) F1 F2 D-unit 1(L) 2(N) F1 F2 1 2 F1 F2 1 2 Assembly cable F1 F2 1 2 F1 F2 1 2 F1 F2 B Earth terminal 2 Earth terminal C F1 F2 B 1 2 C F1 F2 B 1 2 Earth terminal C F1 F2 B 1 2 Earth terminal C F1 F2 1 Earth terminal Earth terminal Earth terminal Earth terminal Outdoor unit 1(L) 2(N) 1(L) 2(N) 1(L) 2(N) 1(L) 2(N) L N Main Power supply cable F1 F2 F1 F2 F1 F2 F1 F2 A B C D A 1 A 2 B C D Power cable to indoor units Earth terminal Communication cable to indoor units Cable Type: A Cable Type: B Cable Type: C The specification for cables : Model MH040FX*A2B MH050FX*A2B MH18VF1X MH19VF1X MH060FX*A3B MH070FX*A4B MH080FX*A4B Main Power Supply Cable Indoor Power Supply Cable Type Specication Type Specication 3G, 2. 5mm2 or more, H07RN-F 3G, 1. 0mm2 or more, H07RN-F Communication Cable Specication Type 2G, 0. 75mm2 or more, H07RN-F FUSE 20A MCCB Frame : 30A Trip : 20A Frame : 30A Trip : 25A Frame : 30A Trip : 30A Type GL 20A 25A 30A 20A 30A Connect the power cable to the auxiliary circuit breaker. If every pole fails to connect to the power supply, it must be incorporated in a wire with a contact opening of 3mm. E-17 ENGLISH INSTALLING THE OUTDOOR UNIT Connecting the Cables to the Outdoor Unit (Continued) Preparation of cables for outdoor unit terminal block 1 2 E Main power supply cable: L(mm) Cable of indoor unit Main Power L(mm) 1 2 E 20 20 90 Power cable to indoor units: L(mm) Cable of indoor unit A B C D 1 2 E Remark 60 60 70 90 60 60 70 90 80 80 110 90 For 060/070/080 only For 070/080 only Communication cable to indoor units : L(mm) Cable of indoor unit A The designs and shape are subject to change according to the model. B 15 C D 15 For 060/070/080 only For 070/080 only 1 2 Remark E-18 INSTALLING THE OUTDOOR UNIT Transmitter Installation (Optional) ENGLISH MH040FXA2B/MH18VF1X/MH19VF1X Accessories (Transmitter: MIM-B13) Transmitter Transmitter power cable Transmitter communication cable Installation Manual Case Cable-tie 1 Fix the case at with bolts on the side of the control box in the outdoor unit. (See the picture) Attach the transmitter PCB to the case in the control box in the outdoor unit, then connect the power and the communication cable between the transmitter and the outdoor unit; refer to the figure of page 19. If you install a transmitter to an outdoor unit, every indoor unit which is connected to an outdoor unit can be controlled simultaneously. Each outdoor unit connected to the same centralized controller has its own transmitter. Bolts spec. LED Display side 2 Terminal side Transmitter 3 4 Fix the case with hinges (Control Box in the outdoor unit) E-19 INSTALLING THE OUTDOOR UNIT Transmitter Installation (Optional) (Continued) MH050FXA2B/MH060FXA3B/MH070FXA4B / MH080FXA4B Accessories(Transmitter: MIM-B13) Transmitter Transmitter power cable Transmitter communication cable Installation Manual Case Cable-tie MH050FXA2B Terminal side Transmitter 7seg. Refrigerant for air purging is not charged in the outdoor unit. MH040FXA2B / MH052FXA2B / MH18VF1X/MH19VF1X ENGLISH Indoor A-unit Indoor B-unit 1 Check the piping connections. 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (MH040FXA2B:3/8" service valve 2EA; MH052FXA2B:3/8" service valve 1EA+1/2" service valve 1EA) as shown at the figure. WARNING: Make the electrical connection and leave the system into "stand by mode". This is necessary for better vacuum operation (full OPEN position of Electronic Expansion Valve - EEV -). Vacuum Pump 3 Open the valve of the low pressure side of manifold gauge counter-clockwise. 4 Purge the air from the system using vacuum pump for about 10 minutes. - Close the valve of the low pressure side of manifold gauge clockwise. - Make sure that pressure gauge show -0. 1MPa(-76cmHg) after about 10 minutes. This procedure is very important in order to avoid gas leak. - Turn off the vacuum pump - Remove the hose of the low pressure side of manifold gauge. Valve stem Stem cap Service port 5 Set valve cork of both liquid side and gas side of packed valve to the open position. 6 Mount the valve stem nuts and the service port cap to the valve, 7 Check for gas leakage. and tighten them at the torque of 183kgf·cm with a torque wrench. - At this time, especially check for gas leakage from the 3-way valve's stem nuts, and from the service port cap. . E-23 COMPLETING THE INSTALLATION Connecting Up and Purging the Circuit(Cont. ) MH060FXA3B/MH070FXA4B / MH080FXA4B 1 Check the piping connections. 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (5/8" Packed valve) as shown at the figure (Value stem: 1/2" - 20UNF). A B C WARNING: Make the electrical connection and leave the system into "stand by mode". [. . . ] Cool mode try-run : Push the [K2] button three times. Heat mode try-run : Push the [K2] button once. After 12 minutes of stationary condition check each indoor unit air treatment: Cooling mode (indoor unit check) --> Inlet air temp. - Outlet air temp: From 10°K to 12°K ( indicative delta T) Heating mode (indoor unit check) --> Outlet air temp. [. . . ]

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