Lloyd LS18HC User Manual

Gujarat Madhya Pradesh: 1800-2582-583 | Punjab,Haryana,Himachal Pradesh, J&K:1800-1377-781|

Maharashtra,Chattisgarh,Goa:1800-1024-212 | South India: 1800-1200-666 | Rest of India : 1800-1020-666

Congratulations on being the proud owner of Lloyd Air
Conditioner. Your Air Conditioner comes with Lloyd
Guarantee of Quality.

Lloyd takes great pride in

Dear Customer

Thank you for choosing our Air Conditioner. Please read this INSTALLATION
HANDBOOK carefully prior to installing and keep it for further reference.

Incorrect behaviour may cause fire, electric shock and the unit falling may result in
injury or water leakage. Contact our designated air conditioner service centre and
specialists. The manufacturer shall not assume responsibility for accidents or injury
caused by incorrect behaviour.

SPLIT WALL MOUNTED TYPE

INSTALLATION HANDBOOK

AIR CONDITIONERS

This product must not be disposed together with the domestic waste.
This product has to be disposed at an authorized place for recycling
of electrical and electronic appliances.

Do not attempt to install, maintain the Air Conditioner by yourself.

1

CONTENTS

2

3

3
4

1

Contents

Installation of the indoor unit

Securing the mounting plate

Wiring

Installation sketch

Installation instructions

4
5

Installation of the drain hose

Installation of the indoor unit

5
5

Pipe connection

Arrangement of the drain hose

5

Wall sealing and Pipe fastening

6
9

Installation of the outdoor unit

Wiring

Installation of the drain joint

9

9

Joint of the connecting pipe

Air exhausting

9

10

Process of flared tube

Adding refrigerant

10

Operation test

front

right

back

underside

left-back

back

Notice: do not raise the
drain hose.

The connecting pipe can be led
from back, right, underside,
or left-back side.

Cover connecting pipe with
adiabatic material.

Sponge plastic adiabatic
material with the
thickness of 8mm.

While installing the pipeline on the
thin armor plate or on the wall of
metal mesh, you should use the
wooden board to clamp between
the wall and the pipeline, or wrap
up the pipeline with 7-8 layers of
insulating plastic tape.

left

INSTALLATION SKETCH

2

Confirm the installation position by the mark of the indoor mounting plate.

or

or or

above 155mm

above 250mm

Above 20mm

above 105mm

100mm以上

above 300mm

above 500mm

above 300mm

above 500mm

above 500mm

Single Split Model

OR

A

B

T

O INDOOR UNIT

above 500mm

above 300mm

above 300mm

Above 500mm

above 500mm

T

O INDOOR UNIT

Dual Split Model

B

TO INDOOR UNIT

A

above 300mm

above 500mm

above 300mm

above 500mm

above 500mm

A

B

A

B

A

B

T

O INDOOR UNIT

above 500mm

above 300mm

above 300mm

above 500mm

Above 500mm

T

O INDOOR UNIT

Dual inverter Model

A

B

TO INDOOR UNIT

Attention:

The allowable length of the connecting
pipe is 10m.

The allowable distance between indoor
unit and outdoor unit is 5m.

INSTALLATION INSTRUCTIONS

3

1

2

Location of indoor unit

Good ventilation, less dust, far from direct rain and sunshine.

Avoid places close to inflammable gas leakage.

Keep the air inlet and outlet at a far distance from the blockage.

Keep the height distance between the indoor and outdoor unit at most 5m.

Mount on the wall solid enough to bear the weight of the unit and not cause any shake.

Avoid direct sunshine.

A place easy for condensate drain and easy for connecting with the outdoor unit.

Keep a far distance away from the fluorescent lamp, it may influence the operation of remote controller.

Location of outdoor unit

Keep at least 1m away from the TV radio and other home appliances.

A place where the air discharged out of the outdoor unit or the operation noise will not annoy your
neighbours.
No blockage near the outdoor unit.

INSTALLATION OF THE INDOOR UNIT

Securing the mounting plate and drill on the wall

1

Secure the mounting plate

The mounting plate should be attached to the structural part of wall (post etc).

fasten string at the central hole

105mm or more
from sidewall

155mm or more

at least 250mm

from sidewall

Tapping screw
ST4×25(5)

mounting plate

NOTICE:

The holes at solid arrow position must be secured to avoid the shake of mounting plate.
When the expansion bolts are used, two holes ( 11×20 or 11×26 ) that the distance
between them is 450mm should be adopted.

Drill on the wall

Center of hole( 65mm)

Confirm the position of holes, and drill holes on the wall.

NOTICE:

Avoid places close to inflammable gas leakage.

Fasten string at the central hole

105mm or more

from sidewall

455mm or more

at least 250mm

from sidewall

Tapping screw
ST4×25(5)

mounting plate

plumb

40mm

plumb

fasten string at the central hole

105mm

45mm

Center of hole( 65mm)

plumb

A place for firm location of the unit, solid enough to bear the weight of the unit and not cause any shake.

at least 250mm

The drain hose must be arranged beneath the connecting pipe.
The drain hose must not be hunched or twisted.
While wrapping up the drain hose, do not pull it.
The drain hose through the room must be wrapped up by the
thermal insulation materials.
The connecting pipe and the drain hose must be wrapped up by felt
strip. Adiabatic pad should be used at where the pipe contacts
the wall.

NOTE:

1

2

3

ROUTE OF PIPE

If pipe comes out of the right side of the indoor unit, cut part

1 of the unit;
If pipe comes out of the lower-right side of the indoor unit, cut
part 2 of the unit;
If pipe comes out of the left side of the indoor unit, cut part 3
of the unit.

Installation of the drain hose

Wiring

2

Open the front grille;
Remove the screw from electrical box cover, pull the
electrical box cover away from the unit and set aside.
Remove the screw from fastener, pull the fastener
away from the unit and set aside.
Connect the cable.
Replace the fastener and electrical box cover.

Indoor unit terminal

Screw

Connecting cable

Diagram

3

4

Drain hose

gas pipe

Liquid pipe

felt

Adiabatic
underlay

NOTE:

NOTICE:

The holes at solid arrow position must be secured to avoid the shake of mounting plate.
When the expansion bolts are used, two holes ( 11×20 or 11×26 ) that the distance

between them is 450mm should be adopted.

Confirm the position of holes, and drill holes on the wall.

40mm

Pipe hole

plumb

fasten string at the central hole

at least 250mm

at least 180mm

at least 140mm

120mm

Center of hole( 65mm)

Center of hole( 65mm)

440mm

fasten string at the central hole

at least 80mm

230mm

440mm

at least 120mm

at least 120mm

¦

90mm

plumb

¦

90mm

Pipe hole

The appliance shall be installed in accordance with national wiring regulations.
The appliance must not be installed in the laundry.
The appliance must be installed 2.5m above the floor.

The appliance must be positioned so that the plug is accessible.

For some models whose cooling capacity are above 4600W (17000BTU/h),
an all-pole disconnection device which has at least 3mm separation distance in
all pole and a residual current device(RCD)with the rating of above 10mA shall

be incorporated in the fixed wiring according to the national rule.

5

Arrangement of the drain hose

To drain the condensate water easily, the drain hose should be declined downwards.
The following 5 arrangement methods are incorrect.

Decline
downward

(Fig. 1)

(Fig. 2)

(Fig. 3)

(Fig. 4)

Water
leak

Standing water

air

Dip hose
into water

(Fig. 5)

50mm or less
above floor

6

Decline
downward

Water
leak

Water
leak

If you find the drain hose not long enough to connect with the indoor
unit, you can extend it with the hoses in the accessory box.
The drain hose through the room must be wrapped up with the special
adiabatic material.

Drain hose

Hose(ID 15cm)

PVC hard

Wall sealing and Pipe fastening

Use putty to seal the wall hole.
Use clamp (pipe fastener) to secure the pipe at specified position.

indoor unit

clamp

screw

get rid of unwanted part

seal with putty

secure the connecting
pipe with clamp

7

Installation of the indoor unit

Let pipe go through the wall hole and attach the indoor
unit to the mounting plate.(Press the rib of indoor unit
inside the hook of the mounting plate.)

the rib of indoor unit

the mounting plate

Bottom

Indoor unit

4

drain hose

If pipe comes out of the left side of the indoor unit, the drain hose
must be refitted, otherwise water leakage may occur.
Readjustment methods: Interchange the position of drain hose
and drain rubber plug.
Clearance is not allowed after refit, it would lead to water leakage.

Drain rubber
plug

READJUSTMENT OF DRAIN HOSE

5

Pipe Connection

Align the centre of joint in line with that of flare and tighten the nut of connecting pipe with wrench.(Fig. 2)

Put some seal oil to cover the joint and the flare.

The number of bent position of the pipe in the indoor unit should not exceed 10.
The number of bent position of the pipe in the indoor unit and the outdoor unit should not exceed 15.
The radius of bent position should be more than 10cm.
Please break the evaporator craft tube with pincers before connecting. After exhausting the inside air,

use the wrench to twist down the nut of connecting tube of the evaporator.(Fig. 1)

(Fig. 2)

(Fig. 1)

Evaporator
craft tube

Do not exhaust the inside air just by loosing the nut since there is the air of certain pressure

inside the tube of indoor unit.

Attention:

Please do not make extra effort for fear of damaging the expansion orifice.

DIAMETER OF PIPE

TORQUE(N·m)

12.0---15.0

33.0---36.0

40.0---45.0

73.0---78.0

φ6/φ6.35mm(1/4")

φ9/φ9.52mm(3/8")

φ12/φ12.7mm(1/2")

φ15/φ15.88mm(1/2")

INSTALLATION OF THE OUTDOOR UNIT

1

Wiring

1 Remove the self-tapping screws (2 pcs)
onthe maintenance board and take out the
maintenance board.

Maintenance
board

Terminal board

Fix the cable wire
with anchor cable

Piping cover

Please utilize outdoor pipe support when
the cable wire is led from the backside.

Outdoor pipe support
(Outdoor pipe support is not required
when leading the cable wire from other places).

The cable wire can be led from the back hole
of the piping hole or ejecting hole.

Maintenance
board

Piping cover

Ejecting hole

Right wiring

Back wiring

Sponge

Piping cover

2 Loosen the self-tapping screws (2 pcs) on
the fixing clip to loosen the fixing clip.

5 Install the maintenance board. After the pipes
and cable wire are installed, please seal the
sponge block as per drawing indication.

3 Loosen the fixing screw of the wire terminal
board, pass the power wire and signal wire
through the fixing clip. Then firmly fix the
power wire and signal wire on the terminal
board with the fixing screw. (Earth wire
must be connected firmly.)

4 Tighten the self-tapping screw on the fixing clip.

Wiring For Above 6000W Model (Above 21000BTU/h Model)

6

Single Split Model

Dual Split Model

Connecting
cable

Outdoor unit terminal

Connecting
cable

Outdoor unit terminal

Connecting
cable

Outdoor unit terminal

OR

7

1500 -4600W Model (5000-12000BTU/h Model)

5000-5100W Model (17000-18000BTU/h Model)

Connect diagram

6000-10000W Model (21000-36000BTU/h Model)

2

L

N

N

L

Black

Indoor unit terminal

Blue

Connecting
cable

Brown

Yellow/Green

Blue

Brown

Black

Blue

Brown

Gray

N

L3

L22L1

L

N

L

3

2

4

5

R1

6

R2

Outdoor unit
terminal

安装说明

Yellow/Green

POWER
SOURCE

N

Blue

N

Blue

POWER
SOURCE

L

Brown

L

Brown

Cool only type

Heat pump type

(T3)(T3)

Indoor unit terminal

Outdoor unit
terminal

Black

Yellow/Green

2

N

2

N

Connecting
cable

Indoor unit terminal

Gray

Blue

Yellow/Green

3

2

N

3

2N

4

R1

R2

4

Brown

Blue

Brown

Brown

Cool only type

Heat pump type

Plug housing 1

Plug housing 1

Blue

Cool only type

OR

Connecting
cable

Outdoor unit terminal

Brown

Yellow/Green

Blue

3

2

N

3

2N

4

4

Brown

Black

Gray

Heat pump type

L

2

N

L

2A

2B

N

Connecting

cable

Indoor unit A terminal

L2N

Yellow/Green

Blue

Brown

Black

Black

Indoor unit B terminal

Outdoor
unit terminal

Connecting
cable

Indoor unit terminal

Outdoor unit terminal

Blue

Brown

Black

2

L

N

NL

2

Yellow/Green

Dual Split Model

Power
source

L

2

N

2A

2B

N

Connecting

cable

L2N

Yellow/Green

Blue

Brown

Black

Outdoor

unit terminal

Power
source

L

N

L

Blue

Brown

Inverter Type

Dual Split Inverter Type

Indoor unit A terminal

Indoor unit B terminal

Cool only and heat pump type

Heat pump type

Heat pump type

Plug housing 1

Blue

Plug housing 2

Plug housing 1

Plug housing 2

Blue

2

N

2

N

Yellow/Green

Indoor unit terminal

Brown

Connecting cable

Cool only type

Indoor unit terminal

Blue

Yellow/Green

3

2

N

3

2N

4

R1

R2

4

Brown

Blue

Brown

Plug housing 1

Blue

Brown

Heat pump type

Outdoor unit terminal

OR

Outdoor unit terminal

Blue

Black

Gray

Brown

Blue

3

2

N

3

2N

4

4

Brown

Heat pump type

Plug
housing 1

Plug
housing 2

Brown

Blue

3

2

N

3

2N

4

4

Heat pump type

Plug
housing 1

Plug
housing 2

Connecting cable

Yellow/Green

OR

Plug
housing 1

Plug
housing 1

Plug
housing 2

Connecting cable

Indoor unit terminal

2

N

L

NN2

L2

L1

L

Brown

Black

Blue

Blue

Yellow/Green

Brown

3

Brown

Black

Brown

Blue

Gray

Yellow/Green

N

L3

L3

2

L

3

2

4

L22L1

L

5

R1

6

R2

Outdoor unit terminal

2

NL

Blue

Yellow/Green

3

Brown

Black

Brown

N

L 2 3 4

Indoor unit terminal

Connecting cable

Gray

Connecting cable

Outdoor unit terminal

Heat pump type Heat pump type

OR

8

WARNING:

Special cable must be used to connect indoor unit and outdoor unit. It should be ensured
that the terminals are not influenced by external force. Poor connection may cause fire.

The electric box cover must be mounted and secured in position, otherwise fire or electrical
shock may occur because of dust or moisture.

The connecting cables must be clipped together.

Please take the electric circuit diagram attached to the indoor/outdoor units as major
reference while installing.

The power wire and signal wire between the indoor/outdoor units must be connected
one by one as per corresponding number on the wiring terminal board.

All the models shall be connected with the mains which has system impedance limitations.
While installing the unit, please see the following table for impedance information or consult
with the supply authority.(The following information and specifications are subject to change
without prior notice due to continuing research.)

The temperature of refrigerant circuit will be high, please keep the interconnection cable away
from the connecting tube.

SERIES MODEL

IMPEDANCE

≤0.204Ω
≤0.162Ω
≤0.148Ω

≤0.323Ω

6500W (22000BTU/h)

5100W (18000BTU/h)

2500W (9000BTU/h)

3500W (12000BTU/h)

R407C
series

6800W (24000BTU/h)
5100W (18000BTU/h)

3200W (11000BTU/h)

3500W (12000BTU/h)

R22
series

≤0.116Ω
≤0.160Ω
≤0.312Ω
≤0.312Ω

2500W (9000BTU/h)

≤0.467Ω

≤0.187Ω

≤0.124Ω

≤0.138Ω

≤0.268Ω

Dual Split Model(25+25)

Dual Split Model(25+35)

≤0.302Ω

2000W (7000BTU/h)

≤0.121Ω

3200W (11000BTU/h)

≤0.121Ω

3300W (11500BTU/h)

R410A
series

6800W (24000BTU/h)

5100W (18000BTU/h)

Notice:

If the interconnection cord for power supply has to be replaced, please see the
following table for reference.

If you find the color of connecting cable not comply with the top diagram, please take
real objects as major reference. But the terminal of the same sign must be joint with
the connecting cable of the same color.

If the signal wire has to be bought separately, choose electric wire above 0.75mm.

2

The plug housing 2 is connected to the matched receptacle housing of the outdoor unit.

The plug housing 1 is connected to the matched receptacle housing of the indoor unit.

If not include the connect diagram you need, please see the wiring diagram.

MODEL

SPECS (Interconnection cord)

2700W(10000BTU/h)

1.0mm

3200W(11000BTU/h)

-4000W(15000BTU/h)

4500W(16000BTU/h)

-8000W(28000BTU/h)

1.5mm

2

2

2.5mm

2

8500W(29000BTU/h)

-9500W(32000BTU/h)

4.0mm

2

6.0mm

2

10000W(34000BTU/h)

-11000W(38000BTU/h)

If not include the connect diagram you need, please see the wiring diagram.

Process of flared tube

5

Use the pipe cutter to cut off the broken part of flare.

Remove burrs at the cut of the flare.

Insert a nut into the connecting pipe and do flaring
with specified flaring tools, reamers for example.

Check the quality of flaring technique.

Air exhausting

4

Installation of the drain joint (only for heat pump type)

Bottom

Double-channel
drain joint

Drain hose

Joint of the connecting pipe

Put some seal oil to cover the joint and the flare.

Align the centre of joint in line with that of flare and tighten the nut of connecting pipe
with wrench. ( Adjust the torque by the same method of connecting pipe for indoor unit.)

Insert the outdoor double-channel drain joint in one of the
bottom holes of the suitable size then connect drain hose
and joint together.

2

3

gas shut-off
valve

liquid shut-off valve

service port

gas connecting
pipe

liquid connecting pipe

valve nuts

service port cap

allen wrench

Screw down the cap of both gas shut-off valve and
liquid shut-off valve as well as the nut of service port.

Use Allen wrench to turn the valve cork of liquid side
at 90 counter-clockwise, and close it after 10 seconds.
Use soapy water to check the gas leakage especially
at all joint. If there is no gas leakage, please turn the
valve cork of liquid side at 90 counter-clockwise again.

Press the cork of service port at gas shut-off valve, 10
seconds later, when you see foggy gas discharged, that
means inner air is exhausted out.

Use Allen wrench to turn the valve cork of both liquid
shut-off valve and gas shut-off valve counter-clockwise
until they are completely open and then replace the
valve caps and tighten them.

9

Burr

Oblique

Connecting pipe

90

Roughness

Reamer

Burr

A

D

Connecting pipe

Do not vent refrigerant into atmosphere: refrigerant is a fluorinated greenhouse gas, covered by
Kyoto protocol, with a Global Warming Potential (GWP) =1900(R410A)/1600(R407C)/1700(R22).

Notice:

Outer diameter

A(mm)

2.0--2.5

3.0--3.5

3.5--4.0

4.0--4.5

φ6/φ6.35mm(1/4")

φ9/φ9.52mm(3/8")

φ12/φ12.7mm(1/2")

φ15/φ15.88mm(1/2")

Operation test

Before test operation, wiring safety inspection must be carried out carefully again.

1. Emergency switch operation: Every press of emergency switch, the

air conditioner runs as in the following order:

Cool only type: Cool

Shut off

Heat pump type: Cool

Heat

Shut off

2. Remote controller operation: If the indoor unit sounds like Di, Di when pressing I/O button,

that indicates the air conditioner is under the operation of remote controller. After that, press

every button to test their functions.

7

Screw the gas shut-off valve to close, connect

charging hose(low pressure) to the service valve

and then open gas shut-off valve again.

Connect the refrigerant bottle to the charging hose

and then convert it.

Fill in liquid refrigerant as the above table.

Disconnect the manifold gauge after turning off the

shut-off valve, and then open gas shut-off valve again.

Exhaust the air as the above-mentioned method.

Tighten nuts and caps of each valve.

Service port

Manifold gauge

Low pressure
valve

High pressure
valve

Pressure meter

Charging line

Adding refrigerant

If the connecting pipe is longer than 7 metres, add refrigerant as needed. (Cool only type) added

amount A=(Lm-7m) 15g/m ; (Heat pump type)added amount A= (Lm-7m) 50g/m. ( A: amount

of added refrigerant, L: the length of connecting pipe)

6

10

7

0

0

8

15

50

9

30

100

10

45

150

The length of connecting pipe (m)

(Cool only type)added amount (g)

(Heat pump type)added amount (g)

3. operation: Open the front grille and press the check button. Switch on the powerCheck switch

source and then the operation test is activated. If the indicator lamps light up at first and then

go out in succession or the LED window of the indoor unit illuminates at first and then goes out,

the system is under normal operation. If one of the indicator lamps is flashing at all times, or

failure codes are displayed on the LED window of the indoor unit, the system has something

wrong and please check malfunction immediately.