LG LBNF3682CL, LB-F3062CL Installation Manual
CEILING DUCT TYPE AIR CONDITIONERS
INSTALLATION INSTRUCTIONS
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• Please read this instruction sheet completely before installing the product. |
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• When the power cord is wanted to replace, replacement work shall be performed by authorized |
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personnel only. |
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• Installation work must be performed in accordance with national wiring standards by authorized |
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personnel only. |
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Indoor Unit |
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Air outlet vents |
Air filters(Optional) |
Air intake vents |
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Remote Controller |
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Outdoor Unit |
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Air outlet vents |
(Side) |
(Rear) |
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Air intake |
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vents |
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Control cover |
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Connecting wire |
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Piping |
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Drain hose |
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P/No.: 3828A20021U |
OUT-LINE OF INSTALLATION
1.The following should be always observed for safety ............................... |
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Installation works |
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Installation Parts |
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Required tools |
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2. Installation of Indoor, Outdoor unit |
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1) Selection of the best |
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• Four Type “A” screws |
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• Level |
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location............................ |
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• Connecting cable |
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• Screw driver |
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2) Indoor unit installation.... |
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• Electric drill |
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• Hole core drill (ø 70mm) |
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3. Connecting Pipes to the Indoor Unit |
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1) Preparation of Piping... |
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• Pipes: Gas side ..... |
1/2", 5/8", 3/4" |
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• Flaring Tools set |
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Liquid side ............. |
1/4", 3/8", 1/2" |
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•Insulated drain hose
•Insulation materials
4.Connecting Pipes to the Outdoor Unit
1) Connecting the pipes to |
• Additional Drain hose |
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the Outdoor Unit .......... |
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(Inner Dia............... |
25mm) |
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5. |
Checking the Drainage .............................................................................. |
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6. |
Connecting Cables between Indoor Unit and Outdoor Unit |
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1) Connecting cables to the |
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• Screw driver |
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Indoor Unit ................... |
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2) Connecting cables to the |
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Outdoor Unit ................ |
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3) Form the pipings .......... |
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7. |
Air Purging of the Connecting Pipes and the Indoor Unit .................... |
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• Hexagonal Wrench (4mm/5mm) |
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• Gas-leak Detector |
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8. |
Group Control ............................................................................................ |
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9. |
Two Thermistor System |
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10. External Static Pressure & Air Flow....................................................... |
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1. The following should be always observed for safety |
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• Please report to or take consent by the supply authority before connecting to the system. |
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• Be sure to read "THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY" before |
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installing the air conditioner. |
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• Be sure to observe the cautions specified here as they include important items related to safety. |
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• The indications and meanings are as follows. |
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WARNING |
Could lead to death, serious injury, etc. |
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CAUTION |
Could lead to serious injury in particular environments when operated incorrectly. |
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• After reading this manual, be sure to keep it together with the instruction manual in a handy place . |
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WARNING
Do not install it yourself (customer).
•Incomplete installation could cause injury due to fire, electric shock, the unit falling or a leakage of water. Consult the dealer from whom you purchased the unit or special installer.
Install the unit securely in a place which can bear the weight of the unit.
•When installed in an insufficient strong place, the unit could fall causing injured.
Use the specified wires to connect the indoor and the outdoor units securely and attach the wires firmly to the terminal board connecting sections so the stress of the wires is not applied to the sections.
• Incomplete connecting and fixing could cause fire.
Check that the refrigerant gas do not leak after installation is completed.
Perform the installation securely referring to the installation manual.
•Incomplete installation could cause a personal injury due to fire, electric shock, the unit falling or a leakage of water.
Perform electrical work according to the installation manual and be sure to use an exclusive circuit.
•If the capacity of the power circuit is insufficient or there is incomplete electrical work, it could result in a fire or an electric shock.
Attach the electrical part cover to the indoor unit and the service panel to the outdoor unit securely.
•If the electrical part cover if the indoor unit and/or the service panel if the outdoor unit are not attached securely, it could result in a fire or electric shock due to dust, water, etc.
Be sure to use the part provided or specified parts for the installation work.
•The use of defective parts could cause an injury or leakage of water due to a fire, electric shock, the unit falling, etc.
CAUTION
Perform the drainage/piping work securely according to the installation manual.
•If there is a defect in the drainage/piping work, water could drop from the unit and household goods could be wet and damaged.
Do not install the unit in a place where an inflammable gas leaks.
•If gas leaks and accumulates in the area surrounding the unit, it could cause an explosion.
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2. Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
Select location
Install the air conditioner in the location that satisfies the following conditions.
•The place shall easily bear a load exceeding four times the indoor unit’s weight.
•The place shall be able to inspect the unit as the figure.
•The place where the unit shall be leveled.
•The place shall allow easy water drainage.(Suitable dimension “H” 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
2)Outdoor unit
•If an awning is built over the unit to prevent direct sunlight or rain exposure, be careful that heat radiation from the condenser is not restricted.
•There should not be any animals or plants which could be affected by hot air discharged.
•Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles.
Following descriptions are for the Top Discharge Type outdoor unit.
•Before installation, separate a pallet from the bottom of outdoor unit.
•120 cm clearance required on top of unit.
•60 cm clearance required between units for proper airflow.
One side must be 90cm for service.
Two of the remaining three sides may be 30cm.
Top view |
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(unit: mm) |
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Inspection hole |
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(600X600) |
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Control box |
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600 |
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<![if ! IE]> <![endif]>1000 |
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600 |
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Front
Front view
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H |
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Fence or |
than 120cm |
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obstacles |
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More than |
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90cm |
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Fence |
or |
More than |
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90cm |
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obstacles |
More than 90cm |
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More than 90cm |
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3) Piping length and the elevation
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Indoor unit |
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Pipe Size |
Length A(m) |
Elevation B(m) |
*Additional |
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Capacity |
(Diameter: Ø) |
refrigerant |
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Gas |
Liquid |
Standard |
Max. |
Standard |
Max. |
(g/m) |
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24K BTU/h |
5/8" |
1/4" |
7.5 |
50 |
5 |
30 |
30 |
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A |
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30K BTU/h |
5/8" |
3/8" |
7.5 |
50 |
5 |
30 |
50 |
B |
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36K BTU/h |
5/8" |
3/8" |
7.5 |
50 |
5 |
30 |
50 |
Outdoor unit |
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42K BTU/h |
3/4" |
3/8" |
7.5 |
50 |
5 |
30 |
60 |
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•If 42K Model is installed at a distance of 15m,
450g of refrigerant should be added (15-7.5) x 60g = 450g
•Capacity is based on standard length and maximun allowance length is on the basis of reliability.
4
2.Indoor unit installation
■Installation of Unit
Install the unit above the ceiling correctly. |
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<![if ! IE]> <![endif]>ENGLISH |
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A |
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CASE 1 |
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B |
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POSITION OF SUSPENSION BOLT |
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-canvas between the unit and |
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<![if ! IE]> <![endif]>C E |
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unnecessary vibration. |
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Accessory at air return hole. |
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<![if ! IE]> <![endif]>D |
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(Unit:mm) |
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(G) |
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<![if ! IE]> <![endif]>F |
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Dimension |
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Capacity |
A |
B |
C |
D |
E |
F |
(G) |
H |
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24K BTU/h |
942 |
880 |
466 |
54 |
575 |
30 |
87 |
750 |
186 |
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<![if ! IE]> <![endif]>mm |
30K BTU/h |
1242 1180 |
492 |
54 |
600 |
30 |
87 |
830 |
186 |
<![if ! IE]> <![endif]>I |
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36K BTU/h |
1242 1180 |
492 |
54 |
600 |
30 |
87 |
830 |
186 |
H |
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<![if ! IE]> <![endif]>-13 |
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42K BTU/h |
1242 1180 |
492 |
54 |
600 |
30 |
87 |
830 |
186 |
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Drainage hole |
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CASE 2 |
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leaning to a drainage hole |
M10 Nut |
X 4 |
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for easy water drainage. |
M10 SP. washer X 4 |
(Local |
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M10 washer |
X 4 |
supply) |
POSITION OF CONSOLE BOLT |
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the unit will be leveled and |
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the weight of the unit. |
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M10 washer |
X 4 |
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the unit can withstand its |
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M10 SP. washer X 4 |
(Local |
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supply) |
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service can be easily |
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M10 Nut |
X 4 |
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5
•Select and mark the position for fixing bolts.
•Drill the hole for set anchor on the face of ceiling.
•Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling.
•Mount the suspension bolts to the set anchor firmly.
•Secure the installation plates onto the suspension bolts (adjust level roughly) using nuts, washers and spring washers.
CAUTION
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Old building |
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New building |
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Set anchor |
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2 |
Plate washer |
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Spring washer |
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Nut |
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5 Suspension |
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bolts |
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• Local supply |
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Set anchor |
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Plate washer |
- M10 |
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Spring washer |
- M10 |
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Nut |
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- W3/8 or M10 |
Suspension bolt |
- W3/8 or M10 |
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