LG LP-C508T / LP-H508T / LP-Z508T Service Manual ▷ View online
LG Floor Standing Type
Air Conditioner
Air Conditioner
INSTALLATION MANUAL
LG
IMPORTANT
• Please read this installation manual completely before
installing the product.
• Installation work must be performed in accordance with
the national wiring standards by authorized personnel
only.
only.
• Please retain this installation manual for future reference
after reading it thoroughly.
ENGLISH
10 Floor Standing type Air Conditioner
Installation of Unit
Preparation of installation parts and tools
No.
Installation Parts, Tools
Use
1
Flaring tool (Ø 6.35 - Ø 19.05)
Flaring the pipes
2
Remear
Remove burrs from cut edges of pipes.
3
Pipe cutter (MAX 35mm Copper pipe)
Cutting the pipings
4
Wrench (H5, H4 hexagonal wrench)
To open the service valve
5
Pipe bender
Bending the pipings
6
Leak detector
Check a gas-leakage of connecting part
of the pipings
7
Manifold gauge
To measure the pressure, to charge the refrigerant
8
Charge-nipple
To connect the bombe
9
Vacuum pump
To remove the air in the pipe.
10
Charge cylinder balance
To measure the refrigerant amount
11
Bombe (Freon-22)
Gas charge
Cleaning the pipe
Cleaning the pipe
12
Spanner
To tighten the connecting parts of the pipings
13
Monkey spanner
14
Driver( , )
15
Benchi (150mm)
Cutting the wires
16
Tapeline
To measure the length
17
Core drill
To make holes through the concrete wall and blocks
18
Voltmeter, Amperemeter, Clampmeter
To measure the current and voltage
19
Insulation resistance tester
To measure the insulation resistance
20
Glass thermometer
To measure the intake and outlet air temperature of the indoor unit
21
Copper tubes
To use the connecting pipings
22
Insulation material
To cover the connecting pipings
23
Tape
To finish the connecting pipings
24
Electrical Leakage Breaker
To shut off the main power
25
Cable
To connect the cable from outdoor unit to indoor unit
26
Drain hose sockets, elbows
To remote the condensing water
Installation Manual 11
ENGLISH
Installation of Unit
Preparation of Piping
Main cause of gas leakage is defect in flaring
work. Carry out correct flaring work in the
following procedure.
work. Carry out correct flaring work in the
following procedure.
1. Cut the pipes and the cable.
• Use the accessory piping kit or the pipes
purchased locally.
• Measure the distance between the indoor
and the outdoor unit.
• Cut the pipes a little longer than measured
distance.
• Cut the cable 1.5m longer than the pipe
length.
2. Burrs removal
• Completely remove all burrs from the cut
cross section of pipe/tube.
• Put the end of the copper tube/pipe to
downward direction as you remove burrs in
order to avoid to let burrs drop in the tubing.
order to avoid to let burrs drop in the tubing.
3. Putting nut on
• Remove flare nuts attached to indoor and
outdoor units, than put them on pipe/tube
having completed burr removal.
(Not possible to put them on after flaring work)
having completed burr removal.
(Not possible to put them on after flaring work)
4. Flaring work
• Carry out flaring work using dedicated
flaring tool for R-22 as shown below.
Firmly hold copper tube in a bar(or die) as
indicated dimension in the table above.
indicated dimension in the table above.
5. Check
• Compare the flared work with figure below.
• If flare is noted to be defective, cut off the
flared section and do flaring work again.
Copper
tube
90
°
Slanted Uneven Rough
Pipe
Reamer
Point down
Flare nut
Copper tube
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
Inclined
Inside is shining without scratches
Smooth all round
Even length
all round
Surface
damaged
Cracked Uneven
thickness
= Improper flaring =
Outside diameter
A
mm
inch
mm
Ø6.35
1/4
0~0.5
Ø9.52
3/8
0~0.5
Ø12.7
1/2
0~0.5
Ø15.88
5/8
0~1.0
Ø19.05
3/4
0~1.0
12 Floor Standing type Air Conditioner
Installation of Unit
Connection of piping
• Align the center of the pipings and suffciently
tighten the flare nut with fingers.
• Finally, tighten the flare nut with troque
wrench until the wrench clicks.
When tightening the flare nut with troque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
When tightening the flare nut with troque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
1. If it is necessary to bend or stretch the
tubing, use the spring which is attached to
the tubing in stead of pipe bender.
the tubing in stead of pipe bender.
• Please make a careful notice to make a
smooth line.
• Hold the tubing with your two hands closely
and then bend or stretch it slowly not to
make any crack.
make any crack.
• Remember that the radius (R) should not
exceed 70mm (Refer to Fig. 1)
2. Do not repeat the bending process to prevent
the tubing from cracking or crushing.
3. Keep in mind that the bending part should
not be cracked and make the radius (R) as
long as possible (Refer to Fig. 2)
long as possible (Refer to Fig. 2)
PIPE SIZE
TORQUE
1/4"
1.8 Kg.m
3/8"
4.2 Kg.m
1/2"
5.5 Kg.m
5/8"
5.5 Kg.m
3/4"
6.5 Kg.m
1. Move the indoor tubing and drain hose to the hole
• Remove tubing holder and pull the tubing out of the chassis.
2. Replace the tubing holder into original position
3. Route the tubing and the drain hose staight backwards.
4. Insert the connecting cable into the indoor unit through the hole.
• Do not connect the cable to the indoor unit
• Make a small loop with the cable for easy connection later.
5. Tape the tubing and the connecting cable.
6. Indoor unit installation.
7. Connecting the pipings to the indoor unit.
Precautions in bending
Indoor unit tubing
Flare nut
Pipings
Torque wrench
Spanner
Spring
R70mm
(Fig. 1)
(Fig. 2)
R
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