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Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA For more information, Refer to the CD or LG Web site (www.lg.com). www.lg.com P/NO : MFL67855509...
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. CAUTION This symbol indicates the possibility of injury or damage.
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Safety Precautions For installation, always Do not install the Do not let the product contact the dealer or product on a defec- run for a long time when an Authorized Service tive installation the humidity is very Center. stand. high and a door or a window is left open.
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Safety Precautions Install this product in Use the designated When passing metal and environments electrical wires for ducts through wood- where the outside air the terminal board en buildings clad intake meets the fol- connections, and with metal laths, wire lowing conditions: connect the wires laths or metal, these...
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Safety Precautions Be cautious that Turn the breaker off The outside ducts water could not enter when cleaning or must be tilted at a the product. maintaining the prod- gradient (1/30 or uct. more) down toward the outdoor area from the ventilator unit, and properly insulated.
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Safety Precautions Keep level even when Use two or more peo- Do not install the installing the prod- ple to lift and trans- product where it will uct. port the product. be exposed to sea wind (salt spray) directly. • To avoid vibration or •...
Standard drawing of installation Standard drawing of installation LZ-H050GXN0 / LZ-H080GXN0 / LZ-H100GXN0 Ceiling suspension Air supply grille bolts position (user-supplied) Air return grille (user-supplied) (Exaust air outlet) (Fresh air outlet) Y duct connecting (user-supplied) Inspection Inspection hatch hatch 150~200...
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Standard drawing of installation LZ-H050GXH0 / LZ-H080GXH0 / LZ-H100GXH0 Ceiling suspension Air supply grille bolts position (user-supplied) Air return grille (user-supplied) (Exaust air outlet) (Fresh air outlet) Y duct connecting (user-supplied) Inspection Inspection hatch hatch 150~200 Maintenance space Total heat Excha nger Air Filter Cistern Tank Ceiling Fixing Bolt...
Installation Installation Read completely, then follow step by step. Selection of the best location Install the ventilator in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. •...
Installation Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a Flexible duct between the unit and duct to absorb unnecessary vibration. 1006 Return Air(RA) Exhaust Air(EA) Supply Air(SA) Outdoor Air(OA)
Installation Indoor Unit Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the • Drill the hole for set anchor on the face of ceiling. suspension bolts for locking the suspen- sion bolts on the ceiling.
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Installation • Attach the hanger bracket to the suspension bolt. Be sure to fix it securely by using nuts and washers (locally procured) from the upper and lower sides of the hanger bracket. • Install the unit after checking the indoor (SA/RA) and outdoor (EA/OA) in accordance with the figure duct direction label.
Drain Piping and Water Supply Work Drain Piping and Water Supply Work Thermal insulator • Always lay the drain with downward (Local supply) inclination (1/100 to 1/50). Drainage pipe Prevent any upward flow or reverse flow (Local supply) in any part. Unit •...
Drain Piping and Water Supply Work Check the drainage • Test the drainage by pouring 1000cc of water into the drain pan through the inspection hole by remov- ing the maintenance cover (8 screws) or through the outlet duct joint of supply air to room (SA). •...
Drain Piping and Water Supply Work Insulate all piping that passes indoors • After checking that the drain piping connections do no leakage, insulate them using the insulation. (Tighten with a clamp material) • Wrap the drain piping with insulation to prevent condensation from forming. Tie wrap (Locally procured) Insulation...
Duct Connection Duct Connection • After securely connect the duct with the duct connection flange, wrap it with a commercial aluminium tape so that air cannot be leaked. • Adjust the duct from the ceiling so that no force is applied to the main body of the ventilation system. •...
Connecting Pipes Connecting Pipes Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the follow- Copper ing procedure. Slanted Uneven Rough tube 90° Cut the pipes and the cable. • Use the accessory piping kit or the pipes pur- chased locally.
Connecting Pipes Connecting the pipings to the indoor unit and drain hose to drain pipe • Align the center of the pipings and sufficiently tighten the flare nut by hand. • Tighten the flare nut with a wrench. Indoor unit tubing Flare nut Pipings Outside diameter...
• Model of circuit breaker recommended by autho- rized personnel only Ventilation unit Power supply Fan motor Model Volts Voltage range LZ-H050GXN0 / LZ-H050GXH0 0.2x2 1.25x2 220-240 V Max. 264V 0.2x2 1.25x2 LZ-H080GXN0 / LZ-H080GXH0 Min. 198V 220 V 0.2x2...
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Wiring Connection Connecting Cable Specification : The connecting cable, being used to connect the indoor unit and outdoor unit, should be complied with IEC 60335-1 standard (This equipment shall be provided with a cord set complying with the national regulation). If the supply cable is damaged, it must be replaced by a special cable or assembly available from the manufacturer or its service agent.
Wiring Connection Method to Connect Wiring • Pass the power supply wiring and the ground wiring through the wiring through-hole into the electri- cal parts box and secure with the included clamping material after connecting the wires to terminal blocks. Terminal Block 1 wiring Terminal Block 2 wiring 1(A)2( A) 3 4...
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Wiring Connection Clamping of cables 1) Arrange 2 power cables on the control panel. 2) First, fasten the Plastic clamp with screw to the inner boss of control panel. Additional Parts Wiring screw Clamp Power Supply Main PCB Wiring Clamp screw Terminal Block 1 Motor...
Wiring Connection Wiring for the Humidity Regulator (Locally Procured) <LZ-H***GXH series only> 1. Pass into the electric parts box together with the power wire through the power wiring through-hole. 2. Remove the short-circuit wires (3 and 4) on the TB 2 terminal block and connect the wiring for the humidity regulator.
Wiring Connection Wiring Example • This unit can be used as part of the combined operation system used together with indoor units (Multi-V system air conditioners), or as an independent system for processing outside air. <Combined operation system with Multi-V system(connected with ventilation units and stan- dard indoor units in a single refrigerant circuit)>...
Field Setting and Test Run Field Setting and Test Run Perform field setting with the remote controller 1. Function Explanation - After installation by the installer, it performs the function for product setting. 2. Setting 1) function entry 1.1) Input the Function setting button for 3 seconds to enter the installer setting mode. 1.2) When entering, LCD other than relevant LCD is not appeared.
Field Setting and Test Run Installer Setting Code and Value Table Function Code Available Product Value Test run 01: Test run setting Setting Address of General/DX 00~FF : Address of central control Central Control Supply ESP Value1 – Step(01:low, 02:high, 03:super high) General/DX Exhaust ESP Value2 –...
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Field Setting and Test Run ■ Supply/Exhaust ESP setting 1. Function explanation: Set the E.S.P(RPM) value of air conditioner indoor unit. 2. Function control and setting(refer to the explanation at prior page about function entry) 2.1) Select the wind strength with inputting up-down button. * 01:low, 02:high, 03:very high(Seg flickering) 2.2) Move the setting items with inputting the right-left button.
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Field Setting and Test Run ■ Zone Stats 1. Function explanation: Set the wind strength option of indoor unit as Variable or fixed. 2. Function control and setting 2.1) Select the wind strength option value with inputting the up-down button. *01: Variable, 02: Fixed 2.2) Complete the setting with inputting Setting/Cancel button.(Send setting data to indoor unit) ※...
Field Setting and Test Run Run the humidifier <LZ-H***GXH series only> (1) Check that the water supply piping is connected securely. (2) Open the water supply shut-off valve. (No water will be supplied at this time.) (3) Run the eco-V unit in heating mode. (See the operating manual included with the indoor unit for details on how to run the unit in heating mode.) The water supply will start and the humidifier will begin operation.
In case of finding a problem at a trial operation In case of finding a problem at a trial operation Symptom Check Item Counter-measure The Product doesn't work Is power not supplied? Supply Power The Product doesn't work through Is the Indoor temperature less It's standby mode for protecting you press the 'ON' switch than 45°c or more than 40°C?