AVXC1@@_IM_E_29824-1_4.14.09.indd 1 2009-4-14 9:48:08

Contents



Safety Precautions ......................................................................................... 3



Accessories ........................................................................................................ 5



Selecting the Installation Location ........................................................ 6



Indoor Unit Installation ............................................................................... 12



Purging the Unit ............................................................................................. 14



Connecting the Refrigerant Pipe ............................................................ 15



Cutting/Flaring the Pipes ........................................................................... 16



Performing Leak Test & Insulation ......................................................... 17



Drainpipe and Drain Hose Installation ................................................ 19



Wiring Work ...................................................................................................... 22



Indoor Unit Setting ....................................................................................... 25



Additional Functions .................................................................................... 26



Final Checks and User Tips ........................................................................ 27



Troubleshooting ............................................................................................. 28

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Safety Precautions

(Carefully follow the precautions listed below because they are essential to guarantee the safety of the equipment.)

WARNING

• Always disconnect the air conditioner from the power supply before servicing it or accessing its internal components.

• Verify that installation and testing operations are performed by qualified personnel.

• Verify that the air conditioner is not installed in an easily accessible area.

G

ENERAL INFORMATION

 Carefully read the content of this manual before installing the air conditioner and store the manual in a safe place in order to be able to use it as reference after installation.

 For maximum safety, installers should always carefully read the following warnings.

 Store the operation and installation manual in a safe location and remember to hand it over to the new owner if the air conditioner is sold or transferred.

 This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other types of units with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be responsible for damages arising from the use of non compliant units.

 The manufacturer shall not be responsible for damage originating from unauthorized changes or the improper connection of electric and hydraulic lines. Failure to comply with these instructions or to comply with the requirements set forth in the “Operating limits” table, included in the manual, shall immediately invalidate the warranty.

 The air conditioner should be used only for the applications for which it has been designed: the indoor unit is not suitable to be installed in areas used for laundry.

 Do not use the units if damaged. If problems occur, switch the unit off and disconnect it from the power supply.

 In order to prevent electric shocks, fires or injuries, always stop the unit, disable the protection switch and contact SAMSUNG’s technical support if the unit produces smoke, if the power cable is hot or damaged or if the unit is very noisy.

 Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations should be performed by qualified personnel only.

 The unit contains moving parts, which should always be kept out of the reach of children.

 Do not attempt to repair, move, alter or reinstall the unit. If performed by unauthorized personnel, these operations may cause electric shocks or fires.

 Do not place containers with liquids or other objects on the unit.

 All the materials used for the manufacture and packaging of the air conditioner are recyclable.

 The packing material and exhaust batteries of the remote control(optional) must be disposed of in accordance with current laws.

 The air conditioner contains a refrigerant that has to be disposed of as special waste. At the end of its life cycle, the air conditioner must be disposed of in authorized centers or returned to the retailer so that it can be disposed of correctly and safely.

I

NSTALLING THE UNIT

IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines.

Always disassemble the electric lines before the refrigerant tubes.

 Upon receipt, inspect the product to verify that it has not been damaged during transport. If the product appears damaged,

DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the authorized technician has collected the material from the retailer.)

 After completing the installation, always carry out a functional test and provide the instructions on how to operate the air conditioner to the user.

 Do not use the air conditioner in environments with hazardous substances or close to equipment that release free flames to avoid the occurrence of fires, explosions or injuries.

P

OWER SUPPLY LINE

,

FUSE OR CIRCUIT BREAKER

 Always make sure that the power supply is compliant with current safety standards. Always install the air conditioner in compliance with current local safety standards.

 Always verify that a suitable grounding connection is available.

 Verify that the voltage and frequency of the power supply comply with the specifications and that the installed power is sufficient to ensure the operation of any other domestic appliance connected to the same electric lines.

 Always verify that the cut-off and protection switches are suitably dimensioned.

 Verify that the air conditioner is connected to the power supply in accordance with the instructions provided in the wiring diagram included in the manual.

 Always verify that electric connections (cable entry, section of leads, protections…) are compliant with the electric specifications and with the instructions provided in the wiring scheme. Always verify that all connections comply with the standards applicable to the installation of air conditioners.

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2009-4-14 9:48:09

Safety Precautions (Continued)

CAUTION

 Make sure that you earth the cables.

- Do not connect the earth wire to the gas pipe, water pipe, lighting

rod or telephone wire. If earthing is not complete, electric shock or

fire may occur.

 Install the circuit breaker.

- If the circuit breaker is not installed, electric shock or fire may occur.

  Make sure that the condensed water dripping from the drain hose runs out properly and safely.

  Install the power cable and communication cable of the indoor and outdoor unit at least 1m away from the electric appliance.

  Install the indoor unit away from lighting apparatus using the ballast.

- If you use the wireless remote control, reception error may occur

due to the ballast of the lighting apparatus.

  Do not install the air conditioner in following places.

- Place where there is mineral oil or arsenic acid.

Resin parts flame and the accessories may drop or water may leak.

The capacity of the heat exchanger may reduce or the air conditioner

may be out of order.

- The place where corrosive gas such as sulfurous acid gas generates

from the vent pipe or air outlet.

The copper pipe or connection pipe may corrode and refrigerant

may leak.

- The place where there is a machine that generates electromagnetic

waves.

The air conditioner may not operate normally due to control system.

- The place where there is a danger of existing combustible gas,

carbon fiber or flammable dust.

The place where thinner or gasoline is handled.

Gas may leak and it may cause fire.

 Our units must be installed in compliance with the spaces indicated in the installation manual to ensure either accessibility from both sides or ability to perform routine maintenance and repairs. The units’

components must be accessible and that can be disassembled in

conditions of complete safety either for people or things.

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Accessories

The following accessories are supplied with the indoor unit.

The type and quantity may differ depending on the specifications.

AVXC1/AVXCS/AVXC2

Pattern sheet Insulation drain Flexible hose Rubber Insulation cover band

Installation manual

AVXC4

Pattern sheet Insulation cover band Insulation drain hose Insulation pipe Cable-tie

Flexible hose M4x12 tapped Screw Insulation drain sub Pad stopper Installation manual

Safety net M4x12 tapped Screw

AVXCM

Pattern sheet Insulation cover band Insulation drain hose Insulation pipe Cable-tie

Flexible hose M4x12 tapped Screw Pad stopper Installation manual

Safety net M4x12 tapped Screw

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2009-4-14 9:48:11

Selecting the Installation Location

Indoor Unit

 There must be no obstacles near the air inlet and outlet.

 Install the indoor unit on a ceiling that can support its weight.

 Maintain sufficient clearance around the indoor unit.

 Make sure that the water dripping from the drain hose runs away correctly and safely.

 The indoor unit must be installed in this way, that they are out of public access. (Not touchable by the users)

 Rigid wall without vibration.

 Where it is not exposed to direct sunshine.

 Where the air filter can be removed and cleaned easily.

CAUTION





As a rule, the unit cannot be installed at a height of less than 2.5 m.

It is possible to install the unit at a height of between 2.2~2.5m from the ground, if the unit has a duct with a well defined length (300mm or more) to avoid fan motor blower contact.

Space Requirements for Indoor Unit

AVXC1/AVXCS/AVXC2

AVXC4/AVXCM

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Selecting the Installation Location

Dimension of the indoor unit

AVXC1

Unit : mm

No.













Name

Liquid pipe connection

Gas pipe connection

Drain pipe connection

Power supply connection

Air discharge grille

Air suction grille

Description

ø6.35 (1/4”)

ø12.70 (1/2”)

VP20 (OD ø26, ID ø20)

-

-

-

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2009-4-14 9:48:13

Selecting the Installation Location (Continued)

Dimension of the indoor unit

AVXCS

Unit : mm

���

Drain hole

���

����

����

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����

No.













Name

Liquid pipe connection

Gas pipe connection

Drain pipe connection

Power supply connection

Air discharge grille

Air suction grille

Description

ø6.35 (1/4”)

ø12.70 (1/2”)

OD ø29, ID ø25

-

-

-

2009-4-14 9:48:15

Selecting the Installation Location (Continued)

AVXC2

890

Unit : mm

919

117

25 136.5

1030

No.













180

Name

Liquid pipe connection

Gas pipe connection

Drain pipe connection

Power supply connection

Air discharge grille

Air suction grille

Description

 056: ø6.35 (1/4”)

 071: ø9.52 (3/8”)

 056: ø12.70 (1/2”)

 071: ø15.88 (5/8”)

VP25 (OD ø32, ID ø25)

-

-

-

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230

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2009-4-14 9:48:24

AVXC4

Selecting the Installation Location (Continued)

Unit : mm

5

6

AVXC4045/056/071/090

57

25

840

260

290

25

57

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10

322

242

246

305

AVXC4112/128/140

3

57 840 57

322

242

246

305

4 1 2

160 190

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57

158 138

25

840

260

290

25

57

No.





Name

Liquid pipe connection

Gas pipe connection

Description

 045/056ø6.35 (1/4”)

 071/090/112/128/140ø9.52 (3/8”)

 045/056ø12.70 (1/2”)

 071/090/112/128/140ø15.88 (5/8”)

 Drain pipe connection OD ø32, ID ø26

 Power supply connection

 Air discharge grille -

-

 Air suction grille -

2009-5-7 11:03:44

Selecting the Installation Location (Continued)

AVXCM

Unit : mm

No.

Name

 Liquid pipe connection

 Gas pipe connection

 Drain pipe connection

 Power supply connection

 Air discharge grille

 Air suction grille

Description

ø6.35 (1/4")

ø12.70 (1/2”)

VP25 (OD ø32, ID ø25)

-

-

-

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2009-4-14 9:48:49

Indoor Unit Installation

It is recommended to install the Y-joint before installing the indoor unit.

1 Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit.

Note Since the diagram is made of paper, it may shrink or stretch slightly due to temperature or humidity. For this reason, before drilling the holes maintain the correct dimensions between the markings.

2 Insert bolt anchors, use existing ceiling supports or construct a suitable support as shown in figure.

Concrete

Hole in anchor

Hole in plug

Suspension bolt(3/8" or M10)

Ceiling support

Insert

3 Install the suspension bolts depending on the ceiling type.

CAUTION  Ensure that the ceiling is strong enough to support the weight of the indoor unit. Before hanging the unit, test the strength of each attached suspension bolt.

 If the length of suspension bolt is more than 1.5m, it is required to prevent vibration.

 If this is not possible, create an opening on the false ceiling in order to be able to use it to perform the required operations on the indoor unit.

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Indoor Unit Installation

4 Screw eight nuts to the suspension bolts making space for hanging the indoor unit.

CAUTION You must install the suspension bolts more than four when installing the indoor unit.

5 Check the level of the indoor unit by using a leveler.

 A tilt of the indoor unit may cause malfunction of a built-in float switch and water leaks.

6 Adjust the height of the indoor unit by using the gauge of dimensions.

 You should adjust the gauge of dimensions and the pattern sheet to fit the cutting dimensions of ceiling.

 Make sure that the indoor unit is installed at a level if the indoor unit slants too much, there can be water leaks.

AVXC1 AVXCS

Side view

Air inlet

Gauge of Dimensions

Air outlet

Ceiling

AVXC2

���� ����

Ceiling

Air inlet

Gauge of Dimensions

Air outlet

Ceiling

AVXC4

Indoor Unit

20mm

Ceiling

35mm

Gauge of

Dimensions

Ceiling

AVXCM

Indoor Unit

20mm

Ceiling

17mm

Gauge of

Dimensions

7 Tighten the upper part nuts.

8 Remove the gauge of dimensions after installing the indoor unit.

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Rubber

Nut

Washer

Fasten the nut

Level

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2009-4-14 9:48:58

Purging the Unit

Gas refrigerant port

Liquid refrigerant port

 The designs and shape are subject to change according to the model.

From factory the unit is supplied and set with a pre-charge of nitrogen gas

(insert gas). Therefore, all insert gas must be purged before connecting the assembly piping.

Unscrew the pinch pipe at the end of each refrigerant pipe.

Result: All inert gas escapes from the indoor unit.

Note To prevent dirt or foreign objects from getting into the pipes during installation, do NOT remove the pinch pipe completely until you are ready to connect the piping.

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Connecting the Refrigerant Pipe

There are two refrigerant pipes of differing diameters:

 A smaller one for the liquid refrigerant

 A larger one for the gas refrigerant

 The inside of copper pipe must be clean & has no dust.

1 Before connecting the reprigerant pipe, open the cover side.

2 Remove the pinch pipe on the pipes and connect the assembly pipes to each pipe, tightening the nuts, first manually and then with a torque wrench, a spanner applying the following torque.

Outer Diameter [mm(inch)]

6.35 (1/4)

9.52 (3/8)

12.70 (1/2)

15.88 (5/8)

Torque (kgf•cm)

145~175

333~407

505~615

630~769

Note Must apply refrigerant oil on the flaring area to prevent a leak.

3 Be sure that there must be no crack or kink on the bended area.

Torque wrench

Flare nut

Refrigerant oil

Spanner

Union

CAUTION

 Connect the indoor and outdoor units using pipes with flared connections(not supplied). For the lines, use insulated, unwelded, degreased and deoxidized copper pipe,(Cu DHP type to ISO 1337), suitable for operating pressures of at least 4200kPa and for a burst pressure of at least 20700kPa. Copper pipe for hydro-sanitary applications is completely unsuitable.

 For sizing and limits (height difference, line length, max. bends, refrigerant charge, etc.) see the outdoor unit installation manual.

 All refrigerant connection must be accessible, in order to permit either unit maintenance or removing it completely.

Cover side

 The designs and shape are subject to change according to the model.

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Cutting/Flaring the Pipes

1 Make sure that you prepared the required tools.

(pipe cutter, reamer, flaring tool and pipe holder)

2 If you want to shorten the pipe, cut it using a pipe cutter ensuring that the cut edge remains at 90° with the side of the pipe. There are some examples of correctly and incorrectly cut edges below.

Oblique Rough Burr

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3 To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer.

4 Carry out flaring work using flaring tool as shown below.

Flaring tool

A

York

Die

Clutch type

Outer diameter

(mm)

6.35

9.52

12.70

15.88

Wing nut type

Flare tool for

R410A clutch type

0~0.5

0~0.5

0~0.5

0~0.5

Die

Copper pipe

Copper pipe

Flare nut

A(mm)

Conventional flare tool

Clutch type Wing nut type

1.0~1.5

1.0~1.5

1.0~1.5

1.0~1.5

1.5~2.0

1.5~2.0

1.5~2.0

1.5~2.0

5 Check if you flared the pipe correctly. There are some examples of incorrectly flared pipes below.

Inclined Damaged Surface Cracked Uneven Thickness

6 Align the pipes and tighten the flare nuts first manually and then with a torque wrench, applying the following torque.

Outer diameter

(mm)

Connection

Torque(kgf•cm)

Flare dimension

(mm)

6.35

9.52

12.70

15.88

145~175

333~407

505~615

630~769

8.70~9.10

12.80~13.20

16.20~16.60

19.30~19.70

45

2°

° ±

Flare shape

(mm)

R 0.4~0.8

CAUTION

In case of needing brazing, you must work with Nitrogen gas blowing.

2009-4-14 9:49:00

Performing Leak Test & Insulation

Leak test

LEAK TEST WITH NITROGEN (before opening valves)

In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R410A, it’s responsible of installer to pressurize the whole system with nitrogen (using a pressure regulator) at a pressure above

4.1MPa (gauge).

LEAK TEST WITH R410A (after opening valves)

Before opening valves, discharge all the nitrogen into the system and create vacuum. After opening valves check leaks using a leak detector for refrigerant R410A.

CAUTION

Discharge all the nitrogen to create a vacuum and charge the system.

Leak check

 The designs and shape are subject to change according to the model.

Insulation

Once you have checked that there are no leaks in the system, you can insulate the piping and hose.

1 To avoid condensation problems, place T13.0 or thicker Acrylonitrile

Butadien Rubber separately around each refrigerant pipe.

Note Always make the seam of pipes face upwards.

2 Wind insulating tape around the pipes and drain hose avoiding to compress the insulation too much.

3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit.

4 The pipes and electrical cables connecting the indoor unit with the outdoor unit must be fixed to the wall with suitable ducts.

No gap

Indoor unit

NBR(T13.0 or thicker)

Insulation cover pipe

Insulation pipe

Be sure to overlap the insulation

CAUTION without any gap.

CAUTION

All refrigerant connection must be accessible, in order to permit either unit maintenance or removing it completely.

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2009-4-14 9:49:01

Performing Leak Test & Insulation (Continued)

5 Select the insulation of the refrigerant pipe.

 Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size.

 The thickness according to the pipe size is a standard of the indoor temperature of 27°C and humidity of 80%.

If installing in an unfavorable conditions, use thicker one.

 Insulator’s heat-resistance temperature should be more than 120°C.

Pipe size

(mm)

Minimum thickness of insulation (mm)

PE foam EPDM foam

Remarks

Ø6.35~Ø15.88

-

13

25

10

19

If you install the pipe underground, at the seaside, a spa or on the lake, use 1 grade thicker one according to the pipe size.

Insulation

Gas pipe

10mm 10mm

Gas pipe

Insulation

Liquid pipe

Liquid pipe

Refrigerant pipe before EEV kit and MCU or without EEV kit and MCU

 You can contact the gas side and liquid side pipes but the pipes should not be pressed.

 When contacting the gas side and gas side pipe, use 1 grade thicker insulator.

Refrigerant pipe after EEV kit and MCU

 Install the gas side and liquid side pipes, leave 10mm of space.

 When contacting the gas side and liquid side pipe, use 1 grade thicker insulator.

CAUTION

 Install the insulation not to get wider and use the adhesives on the connection part of it to prevent moisture from entering.

 Wind the refrigerant pipe with insulation tape if it is exposed to outside sunlight.

 Install the refrigerant pipe respecting that the insulation does not get thinner on the bent part or hanger of pipe.

 Add the additional insulation if the insulation plate gets thinner.

Hanger

Additional insulation a a×3

Refrigerant pipe insulation

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Drain pipe and Drain Hose Installation

Care must be taken when installing the drainpipe and drain hose for the indoor unit so that condensate water is drained correctly outside.

1 Fix the flexible hose to the drainpipe.

 The connection port of the flexible hose and PVC drainpipe must be fixed with PVC adhesives.

 Check out that the connected part doesn’t leak.

 Drain pipe type : VP20(AVXC1/AVXCS ),

VP25(AVXC2/AVXC4/AVXCM)

2 Connect the flexible hose to the drain hose port.

 Make sure that a rubber ring is installed on the drain hose port.

 Drain hose port location differs depending on the unit types.

Flexible hose

Drainpipe

AVXC1

AVXCS

AVXC2/4/M

Drain hose port

3 Install the drain pipe as shortly as possible.

 Give a slightly slant to the drainpipe for proper drainage of condensate water.

 There must be no gap on the connected part so that the drainpipe is not separated from the flexible hose.

4 Insulate the drainpipe, and then fix it as indicated.

 Whole drainpipe should be insulated by 5t(or more) insulation to prevent water condensation.

Indoor

Unit

Drain hose port

Insulation cover band

Insulation drainpipe

Insulation cover drain

Band(Not supplied)

Flexible hose

Band

Adhesives

Drainpipe

Band

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Drain pipe and Drain Hose Installation (Continued)

 Flexible hose Installation

Be horizontal

Indoor

Unit

Flexible hose

 Install horizontally

Indoor

Unit

Max. 20mm

 Max. allowable axis gap

Indoor

Unit

Max. 30˚

 Max. allowable bending angle

Insulation

Connect to indoor unit

Insulation

Flexible hose

(Apply adhesive on the outside)

Connect to

PVC drain pipe

PVC drain pipe

(Apply adhesive on the inside)

 Handle with using adhesive not to block the inside of flexible hose

Drainpipe Connection

1 The drain pipe should be installed within 100mm from the flexible hose, lift up from 100mm to 550mm and lift down 20mm or more.

2 Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space of 1~1.5m.

3 Install the air vent in the horizontal drainpipe to prevent water flow back to the indoor unit.

Note You may not need to install it if there were proper slope in the horizontal drainpipe.

4 The flexible hose should not be installed upward position, it may cause water flow back to the indoor unit.

5 Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.

Air vent

300mm or less

Flexible hose

100mm or more

1~1.5m

Hanger

100~550mm or more

Horizontal drainpipe more than 1/100 slope

Ceiling

Centralized Drainage

1 Install main air vent at the front of the farthest indoor unit from the main drain when installed indoor units are more than 3.

2 You may need to install individual air vent to prevent water flow back at the top of each indoor unit drainpipe.

Hanger

1~1.5m

Main air vent

Individual air vent

550mm or less

Main drainpipe

Centralized horizontal drainpipe

(more than 1/100 slope)

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Drain pipe and Drain Hose Installation (Continued)

Centralized Drainage

1 Install main air vent at the front of the farthest indoor unit from the main drain when installed indoor units are more than 3.

2 You may need to install individual air vent to prevent water flow back at the top of each indoor unit drainpipe.

Hanger

1~1.5m

Main air vent

Individual air vent

550mm or less

Main drainpipe

Centralized horizontal drainpipe

(more than 1/100 slope)

Testing the Drainage

You should test drainage after completing the installation.

Prepare a little water about 1.0 liter.

1 Open the cover water supply intake.

2 Pour water into the water supply intake.

3 Operate the unit in the Cool mode and check a drain pump pumping.

4 Check drain water drops at the end of the drainpipe.

Drainpipe

Drain water drops

5 Make sure there is no water leak at the drainage.

6 When you finished the test, close the coverside.

CAUTION

 When maintaining the air conditioner, remove condensate water remained in the drain pan by using a drain port for maintenance.

AVXC1/AVXCS

Air outlet

Leveler

AVXC2

AVXC4/AVXCM

Cover drain pump

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Wiring Work

Power and communication cable connection

1 Before wiring work, you must turn off all power source.

2 Indoor unit power should be supplied through the breaker(MCCB, ELB) separated by the outdoor power.

3 The power cable should be used only copper wires.

4 Connect the power cable{1(L), 2(N)} among the units within maximum length and communication cable(F1, F2) each.

5 Connect V1, V2(for DC12V) and F3, F4(for communication) when installing the wired remote Control.

Outdoor Unit

Wired Remote

Control

220-240V~

Indoor Unit 1 Indoor Unit 2 Indoor Unit 3

 ELB : Essential Installation

WARNING :

Power off before connecting any wires;

Indoor PBA will be damaged while V1,V2,F3,F4 short each other.

L N EEV kit

N L N L N L

Indoor Unit 4 Indoor Unit 5 Indoor Unit 6

 Ceiling, wall-mounted indoor unit.

Selecting compressed ring terminal

Silver solder

Norminal dimensions for cable (mm 2 )

1.5

2.5

4

Norminal dimensions for screw (mm)

Standard dimension

(mm)

B D d1

Allowance

(mm)

Standard dimension

(mm)

Allowance

(mm)

Standard dimension

(mm)

Allowance

(mm)

4

4

4

4

4

6.6

8

6.6

8.5

9.5

±0.2

±0.2

±0.2

3.4

4.2

5.6

+0.3

-0.2

+0.3

-0.2

+0.3

-0.2

1.7

2.3

3.4

±0.2

±0.2

±0.2

E

Min. Min. Max.

4.1

6

6

F

6

6

5

L

16

17.5

20

4.3

4.3

4.3

d2

Standard dimension

(mm)

Allowance

(mm)

+0.2

0

+0.2

0

+0.2

0 t

Min.

0.7

0.8

0.9

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Wiring Work

Specification of electronic wire

Power supply MCCB ELB Power cable Earth cable

Communication cable

Max : 242V

Min : 198V

X A

X A, 30mmA

0.1 sec

2.5mm

2 2.5mm

2 0.75~1.5mm

2

 Decide the capacity of ELB and MCCB by below formula.

The capacity of ELB, MCCB X [A] = 1.25 X 1.1 X ∑Ai

 X : The capacity of ELB, MCCB

 ∑Ai : Sum of Rating currents of each indoor unit.

 Refer to each installation manual about the rating current of indoor unit.

 Decide the power cable specification and maximum length within 10% power drop among indoor units.

n

∑ ( k=1

Coef×35.6×L

1000×A k k

×i k

) <

10% of input voltage[V]

 Coef: 1.55

 L k

: Distance among each indoor unit[m], A k

: Power cable specification[mm 2 ]

i k

: Running current of each unit[A]

Example of Installation

- Total power cable length L = 100(m), Running current of each units 1[A]

- Total 10 indoor units were installed

10[A] 9[A]

ELB MCCB

 Rating current

Unit Model

AVXC1  022

 028

 036

AVXCS  022

 028

 036

AVXC2  056

 071

AVXC4E 045

 056

 071

 090

 112

 128

 140

AVXC4EG  045

 056

 071

 090

 112

 128

 140

AVXCM  028

 036

 056

 071

Rating current

0.18A

0.20A

0.23A

0.20A

0.23A

0.25A

0.38A

0.40A

0.40A

0.40A

0.40A

0.50A

0.60A

0.60A

0.80A

0.19A

0.19A

0.21A

0.23A

0.23A

0.30A

0.36A

0.50A

0.50A

0.52A

0.55A

1[A]

Indoor unit1 Indoor unit2 Indoor unit10

0[m]

 Apply following equation.

n

∑ ( k=1

Coef×35.6×L

1000×A k k

×i k

10[m]

) <

10% of input voltage[V]

20[m] 100[m]

 Calculation



 Installing with 1 sort wire.

220[V]

2.5[mm 2 ]

-2.2[V]

2.5[mm 2 ]

-2.0[V]

············ 2.5[mm

-(2.2+2.0+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-11.2[V]

2 ] ············

208.8[V](Within 198V~242V) it's okay

220[V]



 Installing with 2 different sort wire.

4.0[mm 2 ]

-1.4[V]

4.0[mm 2 ] ············ 2.5[mm 2 ] ············

-1.2[V]

-(1.4+1.2+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-10.5[V]

209.5[V](Within 198V~242V) it's okay

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Wiring Work (Continued)

CAUTION

 Select the power cable in accordance with relevant local and national regulations.

 Wire size must comply with local and national code.

  For the power cable, use the grade of H07RN-F or H05RN-F materials.

  You should connect the power cable into the power cable terminal and fasten it with a clamp.

  The unbalanced power must be maintained within 10% of supply rating among whole indoor units.

  If the power is unbalanced greatly, it may shorten the life of the condenser. If the unbalanced power is exceeded over 10% of supply rating, the indoor unit is protected, stopped and the error mode indicates.

  To protect the product from water and possible shock, you should keep the power cable and the connection cord of the indoor and outdoor units in the iron pipe.

  Connect the power cable to the auxiliary circuit breaker.

An all pole disconnection from the power supply must be incorporated in the fixed wiring(≥3mm).

  You must keep the cable in a protection tube.

  Keep distances of 50mm or more between power cable and communication cable.

  Maximum length of power cables are decided within 10% of power drop. If it exceeds, you must consider another power supplying method.

  The circuit breaker(MCCB, ELB) should be considered more capacity if many indoor units are connected from one breaker.

  Use round pressure terminal for connections to the power terminal block.

  For wiring, use the designated power cable and connect it firmly, then secure to prevent outside pressure being exerted on the terminal board.

  Use an appropriate screwdriver for tightening the terminal screws.

A screwdriver with a small head will strip the head and make proper tightening impossible.

  Over-tightening the terminal screws may break them.

  See the table below for tightening torque for the terminal screws.

Tightening torque(kgf•cm)

M4 12.0~14.7

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Indoor Unit Setting

1 Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.

2 The address of the indoor unit is assigned by adjusting MAIN(SW01, SW02) and

RMC(SW03, SW04) rotary switches.

SW01 SW02 SW03 SW04

K1K2K3K4 K5K6K7K8 K9K10K11K12

 The designs and shape are subject to change according to the model.

Setting MAIN Address

 The MAIN address is for communication between the indoor unit and the outdoor unit. Therefore, you must set it to operate the air conditioner properly.

 You can set the MAIN address from ‘00’ to ‘99’ by mixing SW01 and SW02.

The MAIN address from ‘00’ to ‘99’ should differ from each other.

 Check the indoor unit address on the plan that you are to install and set the address according to the plan.

Note You may not need to set MAIN address if you selected Auto

Address Setting from the outdoor unit: see details on the outdoor unit installation manual.

For Example When MAIN address is set as "12".

Setting RMC Address

 You must set the SW03, SW04 and K2 switch when using the centralized controller.

For Example When RMC address is set as "12".

SW03 SW04

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Additional Functions

K1K2K3K4

No.

K1

K2

SW05

K3

K4

Function ON OFF

-

Centralized controller

Compensation

RPM

1way/Slim 1way/2way/mini 4way

4way

-

-

Not use Use

-

Not use Use

-

K5K6K7K8

K9K10K11K12

No.

SW06

K6

K7

K8

K5

Function

Heating Current

Temperature

Compensation

1way/Slim 1way/2way

4way/mini 4way

Filter Time

-

-

ON OFF

+2°C +5°C

+5°C +2°C

1000 hours 2000 hours

-

-

No.

SW07

K9

K10

K11

K12

Function

Indoor Expansion Valve For

Heating Stop

Wired Remocon Group Master

External control

-

ON

Fix 80 step

Not Use

Not Use

-

OFF

0 or 80 step

Use

Use

-

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No.

SW06

K6

K7

K8

K5

Function

Heating Current

Temperature

Compensation

1way/Slim 1way/2way

4way/mini 4way

Filter Time

-

-

ON OFF

+2°C +5°C

+5°C +2°C

1000 hours 2000 hours

-

-

No.

SW07

K9

K10

K11

K12

Function

Indoor Expansion Valve For

Heating Stop

Wired Remocon Group Master

External control

-

ON

Fix 80 step

Not Use

Not Use

-

OFF

0 or 80 step

Use

Use

-

Final Checks and User Tips

To complete the installation, perform the following checks and tests to ensure that the air conditioner operates correctly.

1 Check the followings.

 Strength of the installation site

 Tightness of pipe connection to detect a gas leak

 Electric wiring connections

 Heat-resistant insulation of the pipe

 Drainage

 Earth conductor connection

 Correct operation (follow the steps below)

After finishing the installation of the air conditioner, you should explain the following to the user. Refer to appropriate pages in the User’s Manual.

1 How to start and stop the air conditioner

2 How to select the modes and functions

3 How to adjust the temperature and fan speed

4 How to adjust the airflow direction

5 How to set the timers

6 How to clean and replace the filters

Note When you complete the installation successfully, hand over the User’s Manual and this Installation Manual to the user for storage in a handy and safe place.

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Troubleshooting

Detection of errors

 If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED.

 If you re-operate the air conditioner, it operates normally at first, then detect an error again.

LED Display on the receiver & display unit

LED Display

Indicators

Abnormal conditions Operating

Power reset

Green Red

X X X X -

Error of temperature sensor in indoor unit

(OPEN/SHORT)

X

Error of heat exchanger sensor in indoor unit

Error of heat exchanger OUT sensor in indoor unit

Error of outlet temperature sensor in indoor unit

(OPEN/SHORT): For heat pump models only

X

X

X

X

X

X

Displayed on appropriate indoor unit which is operating

Displayed on appropriate indoor unit which is operating

Error of indoor fan motor:

Below 450RPM for 15 minutes

X

Error of outdoor temperature sensor

Error of COND sensor

Error of DISCHARGE sensor

1. No communication for 2 minutes between indoor unit and outdoor unit (communication error for more than 2 minutes)

2. Indoor unit receiving the communication error from outdoor unit

3. Outdoor unit tracking 3 minute error

4. When sending the communication error from outdoor unit due to the mismatching of the communication numbers and installed numbers after completion of tracking (communication error for more than 2 minutes)

X

X

X

X

X

X

X

X

X

Displayed on appropriate indoor unit which is operating

Displayed on appropriate indoor unit which is operating

Displayed on outdoor unit

1. Error of indoor unit: Displayed on the indoor unit regardless of operation

2. Error of outdoor unit: Displayed on the indoor unit which is operating

 On Flickering X Off

 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.

 If you re-operate the air conditioner, it operates normally at first, then detects an error again.

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Troubleshooting

LED Display

Indicators

Abnormal conditions

Self-diagnostic error

(including the indoor unit not detected)

1. Error of electronic expansion valve close

2. Error of electronic expansion valve open

3. Breakaway of EVA OUT sensor

4. Breakaway of EVA IN sensor

5. Breakaway of COND MID sensor

6. 2nd detection of refrigerant completely leak

7. 2nd detection of high temperature COND

8. 2nd detection of high temperature DISCHARGE

9. COMP DOWN due to 2nd detection of low pressure switch

10. Error of reverse phase

11. Compressor down due to 6th detection of freezing

12. Self-diagnosis of condensation sensor (G8, G9)

13. Compressor down due to condensation ratio control

Green Red

X

X

X

X

Detection of the float switch X X

Error of setting option switches for optional accessories

X

EEPROM error

X

X

X

X

X

X

EEPROM option error

 On Flickering X Off

 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.

 If you re-operate the air conditioner, it operates normally at first, then detects an error again.

Operating

Displayed on appropriate indoor unit which is operating

Displayed on outdoor unit

Displayed on appropriate indoor unit which is operating

Displayed on outdoor unit

-

-

-

-

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"EEE Yönetmeliğine Uygundur"

"This EEE is compliant with RoHS"

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E DB98-29824A(1)

AVXC1@@_IM_E_29824-1_5.05.09.indd 31

INSTALLATION

MANUAL

Cassette Type Series

1 way cassette : AVXC1



AVXCS

 (Slim)

2 way cassette : AVXC2



4 way cassette : AVXC4



AVXCM

 (mini)

Air Conditioner

2009-5-8 15:10:28