LG LZ-H050GXH0 Installation Manual Download Page 9

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Standard drawing of installation

Installation Manual

ENGLISH

Standard drawing of installation

LZ-H050GXN0 / LZ-H080GXN0 / LZ-H100GXN0

Model

LZ-H050GXN0
LZ-H080GXN0
LZ-H100GXN0

[Unit : mm]

250

1204

1006

Refrigerant piping (Gas pipe)
(

12.7 Flare connection)

Refrigerant piping (Liquid pipe)
(

6.35 Flare connection)

Sloping downwards at a
Gradient of the 1/100

Drain pipe
(Inner diameter : 25.4)

Duct slope: More than 1/30(toward the wall)

Obtaining of right distance

(preventing penetration of rain water)

Ceiling Fixing Bolt

(user-supplied)

Air supply grille

Air return grille

Inspection part

450( 600)

Duct normal diameter

ØC(user-supplied)

(Exaust air outlet)

(Fresh air outlet)

(Return air)

(Supply air)

Ceiling suspension

bolts position

Maintenance space

Total heat Excha nger

Air Filter

Air supply grille

(user-supplied)

Air return grille

(user-supplied)

Y duct connecting

(user-supplied)

(

)

(Exaust air outlet)

(Fresh air outlet)

Inspection

hatch

Inspection

hatch

150~2

More tha

600

150~200

600

Summary of Contents for LZ-H050GXH0

Page 1: ...resentative LG Electronics Inc EU Representative LG Electronics European 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 INSTALLATION MANUAL AIR CONDITIONER P NO MFL67855509 For more information Refer to the CD or LG Web site www lg com VENTILATOR Original instru...

Page 2: ...n of Piping 19 Connecting the pipings to the indoor unit and drain hose to drain pipe 20 Insulation Others 20 Wiring Connection 21 Electrical Wiring 21 Method to Connect Wiring 23 Wiring for the Humidity Regu lator Locally Procured 25 Wiring Example 26 Field Setting and Test Run 27 Perform field setting with the remote controller 27 Installer Setting Code and Value Table 28 Run the humidifier 31 I...

Page 3: ...lified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedi cated circuit and breaker Improper wiring or installation may cause fire or electric...

Page 4: ...iger ated warehouse heated swimming pool or other location where the tempera ture and humidity are significantly differ ent There is risk of electrical shock malfunctioning Install this product in an environment where the tempera ture ranges from 15 C to 45 C and the relative humidity is less than 80 It condensation is expected to form heat up the fresh out side air using a duct heater etc For re ...

Page 5: ... the metal laths wire laths or metal sheets Power leakage can cause ignition Avoid fire equipment There is risk of fire When the product is soaked flooded or submerged contact an Authorized Service Center There is risk of fire or eletric shock Don t touch a dedicat ed circuit or breaker with wet hands There is risk of electric shock n Operation When the product is not be used for a long time disco...

Page 6: ...ing occurs inside of the main body in winter And it causes electrical shock or falling of con densed water n Installation Glove should be worn when doing the installation work There is risk of injury Be cautious that water could not enter the product There is risk of fire electric shock or prod uct damage Turn the breaker off when cleaning or maintaining the prod uct There is risk of electric shoc...

Page 7: ...ise color or sur face of the oroduct mav deteriorate Clean the filter and the heat exchanger regu larly and use the gloves for cleaning Adhering to a mass of dust may cause the deterioration of air vol ume Do not use the prod uct for special purpos es such as preserving foods works of art etc It is a consumer ventilator not a preci sion refrigeration sys tem There is risk of damage or loss of prop...

Page 8: ...0 Model 1667 1140 365 599 1006 1204 185 242 252 74 510 488 449 70 67 278 29 55 83 1239 105 A B C D E F G H J K L M N P Q R S T U V kg LZ H050GXN0 LZ H050GXH0 LZ H080GXN0 LZ H080GXH0 LZ H100GXN0 LZ H100GXH0 Figure Duct Pitch Pipe Connec tion Drain Hose Connection WaterSupplyPip ingConnection Wei ght Width Pitch of Suspension Fixture Duct Connection Flange Unit mm ...

Page 9: ... 1 30 toward the wall Obtaining of right distance preventing penetration of rain water Ceiling Fixing Bolt user supplied Air supply grille Air return grille Inspection part 450 600 Duct normal diameter ØC user supplied EA Exaust air outlet OA Fresh air outlet RA Return air SA Supply air SA Supply air C C Ceiling suspension bolts position Maintenance space Total heat Exchanger Air Filter Air supply...

Page 10: ...y air C C Water supply shut off valve user supplied Drain valve user supplied Strainer user supplied Refrigerant piping Liquid pipe Ø 6 35 Flare connection Sloping downwards at a Drain pipe Inner diameter 25 4 Feed water pipe Φ6 35 Flare connection Gradient of the 1 100 Cistern Tank Refrigerant piping Gas pipe Ø12 7 Flare connection 250 1204 1006 EA Exaust air outlet OA Fresh air outlet Ceiling su...

Page 11: ...ater drainage Suitable dimension C is necessary to get a slope to drain as figure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There should not be any heat source or steam near the unit In case that the unit is installed near the sea the installation parts may be corrode...

Page 12: ...vice can be easily performed 1 Avoid installing air conditioner in such circumstances where cutting oil mist or iron pow der is in suspension in factories etc 2 Avoid places where inflammable gas is generated flows in is stored or vented 3 Avoid places where sulfurous acid gas or corrosive gas is generated 4 Avoid places near high frequency generators CASE 1 CASE 2 Ceiling dimension and hanging bo...

Page 13: ...olts for locking the suspen sion bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the sus pension bolts adjust level roughly using nuts washers and spring washers Indoor Unit Installation 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Tighten the nut and bolt to prevent unit falling CAUTION ...

Page 14: ...djust the height of the unit Tighten the double nuts securely Check the unit is horizontally level Tighten the upper nut Install declination of the ventilation unit with DX coil is very important for the drain Minimum thickness of the insulation for the connecting pipe shall be 10mm CAUTION Use a level instrument to make sure that the unit is level and that the tilt down slope to the drain pip ing...

Page 15: ...ping and Water Supply Work Drainage hole U Trap B C A 70 mm B 2C C 2 x SP SP External Pressure mmAq Ex External Pressure 10 mmAq A 70 mm B 40 mm C 20 mm A Make sure to be closed Unit Drainage pipe Local supply Thermal insulator Local supply Always lay the drain with downward inclination 1 100 to 1 50 Prevent any upward flow or reverse flow in any part 10mm or thicker formed thermal insulator shall...

Page 16: ...door unit as shown in the figure at below Install the water supply piping When installing the water supply piping wash the pipes with tap water so that all dirt is removed from them or install a drain valve somewhere along the piping and drain the pipes thoroughly until the water flowing through them is clear Make sure no cutting oils or detergents get into the pipes CAUTION Maintenance cover Drai...

Page 17: ...to prevent condensation from forming Insulate all piping that passes indoors When installing the water supply piping wash the pipes with tap water so that all dirt is removed from them or install a drain valve somewhere along the piping and drain the pipes thoroughly until the water flowing through them is clear Make sure no cutting oils or detergents get into the pipes CAUTION Tie wrap Locally pr...

Page 18: ... there is no slack in the duct Duct connecting flange Outdoor duct slop More than 1 30 toward the wall Obtaining of right distance preventing penetration of rain water Duct to OA Main Body Heat Insulating Material Aluminium Duct Connection Flange Rapid Bending Excessive Bending Too Close Bending to Outlet Rapid Reduction of Duct Diameter Check that there are no foreign materials paper vinyl etc or...

Page 19: ...out door units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Carry out flaring work using dedicated flaring tool for R 410A as shown below Firmly hold copper tube in a bar or die as indicat ed dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flared sectio...

Page 20: ...m Ø6 35 1 4 1 8 2 5 Ø9 52 3 8 3 4 4 2 Ø12 7 1 2 5 5 6 6 Ø15 88 5 8 6 6 8 2 Ø19 05 3 4 9 9 12 1 Outside diameter Torque Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose Make sure that there is no clearance here Overlap with thermal insulator for piping Thermal insulator for refrigerant pipe Local supply Thermal insulator for piping Local supply Hose crip for thermal insulator Local supp...

Page 21: ...zed personnel only When none are available follow the instructions below Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause abnormal heat When connecting wiring which is the same thickness do as shown in the figure below Wiring Connection Perform the electrical wiring work according to the electrical wiring connection Wiring Connection El...

Page 22: ...ecting 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 20mm GN YL If the supply cable is damaged it must be replaced by a special cable or assembly available from the manufacturer or its service agent ...

Page 23: ...iring 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 Connect the wires to the terminals on the control board individually according to the outdoor unitcon nection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Termina...

Page 24: ...e connections by using the included clamping material to make appropriate clamps Also when wiring make sure the lid on the control box fits snugly by arranging the wires neatly and attaching the control box cover firm ly When attaching the cover of control box make sure no wires get caught in the edges Pass wiring through the wiring through holes to prevent damage to them Make sure the remote cont...

Page 25: ... the wiring for the humidity regulator 3 Secure with cramping material together with the power wire Wiring specifications Sheathed wire should be complied with IEC60245 standard Size 0 75 1 25 mm2 Length MAX 100 m External contact specifications Normally closed contact Current tolerance 10 mA 0 5 A If using humidistat install one per ventilation unit Controlling more than one ventilation unit with...

Page 26: ...unit in a single refrigerant circuit GND SIGNAL Combined operated system Communication line LGAP Network System 12V Independent system Communication line LGAP Network System Wiring Connection When this ventilation unit is combined with Multi V Plus 2 Series sometimes the system does not cooling operate for self protection in low ambient temperature when the capacity of IDU which is con nected to v...

Page 27: ... 13 Humidification for singular ventilation 14 Humidification for Heat Mode Ventilation Functions that are not contained in product do not appear 2 2 Selected item LCD seg flickering it keeps being flickering until set cancel is pressed 2 3 Operation selection wind strength wind direction extra operation ventilation reservation but ton is inputted it is ignored 3 Function operation and setting 3 1...

Page 28: ...t address 2 3 Set the address with inputting Setting Cancel button Indoor data send DX Direct expansion ventilation General General ventilation No Function Code Available Product Value 1 Test run 01 DX 01 Test run setting 2 Setting Address of 02 General DX 00 FF Address of central control Central Control 3 Supply ESP 03 General DX Value1 Step 01 low 02 high 03 super high 4 Exhaust ESP 04 Value2 ES...

Page 29: ...ation indoor unit 2 Function control and setting 2 1 Select the direction value with inputting the up down button 01 normal direction 02 opposite direction 2 2 Complete the setting with inputting Setting Cancel button stop flickering and send the data to indoor unit Override Setting 1 Function explanation Set the Override condition by setting the Mode Master Slave of indoor unit 2 Function control...

Page 30: ...rmance 1 When Humidification for ventilation is set In case of connection with General Ventilation When operation is On you can control the humidification In case of connection with Direct Expansion Ventilation When ventilation is operated only you can control the humidification When operating DX Coil impossible to control humidifica tion 2 When Ventilation humidification function is not set When ...

Page 31: ...egin operation 4 After starting heating humidifying the sound of the water supply solenoid valve will be heard at intervals of several minutes a clicking sound so listening for that clicking sound let the unit run for 30 minutes to make sure that humidifying operation is normal If carpentry work is not completed when a test run is finished tell the customer not to run the humidifi er for the prote...

Page 32: ... The figures quoted are emission level and are not necessarily safe working levels Whilst there is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are required Factor that influence the actual level of exposure of the workforce include the characteristics of the work room and the other sources of noise i e the numb...

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