Samsung AVMDH052EA0 User manual

INSTALLATION

MANUAL

EDB98-04170A(1)

System Air Conditioner (Cool and Heat)

AVMDH052EA0

AVMDH070EA0

Indoor unit

■ Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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Chapter

Contents

E-2

■ Preparation for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

■ Deciding on Where to Install the Indoor Unit . . . . . . . . . . . . . . . . . 5

■ Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

■ Purging the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

■ Connecting the Refrigerant Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 9

■ Cutting/Flaring the Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

■ Performing Leak Test & Insulation . . . . . . . . . . . . . . . . . . . . . . . . 11

■ Drain Hose Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

■ Connecting the Connection Cord . . . . . . . . . . . . . . . . . . . . . . . . . 14

■ Increasing Fan Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

■ Assigning Address to Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . 16

■ Additional Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

■ Air Filter Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

■ Drain Pump Installation (optional) . . . . . . . . . . . . . . . . . . . . . . . . 19

■ Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

■ Explaining Operations to the Owner . . . . . . . . . . . . . . . . . . . . . . 22

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Chapter

■Preparation for Installation . . . . . . . . . . . . . . . . . 4

■Deciding on Where to Install the Indoor Unit . . . 5

■Indoor Unit Installation . . . . . . . . . . . . . . . . . . . . 7

■Purging the Unit . . . . . . . . . . . . . . . . . . . . . . . . 8

■Connecting the Refrigerant Pipe . . . . . . . . . . . . 9

■Cutting/Flaring the Pipes . . . . . . . . . . . . . . . . . 10

■Performing Leak Test & Insulation . . . . . . . . . . 11

■Drain Hose Installation . . . . . . . . . . . . . . . . . . 12

■Connecting the Connection Cord . . . . . . . . . . 14

■Increasing Fan Speed . . . . . . . . . . . . . . . . . . . 15

■Assigning Address to Indoor Unit . . . . . . . . . . 16

■Additional Functions . . . . . . . . . . . . . . . . . . . . 17

■Air Filter Installation . . . . . . . . . . . . . . . . . . . . . 18

■Drain Pump Installation (optional) . . . . . . . . . . 19

■Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 20

■Explaining Operations to the Owner . . . . . . . . 22

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Chapter

E-3

Preparation for Installation

When deciding on the location of the air conditioner with the owner,

the following restrictions must be taken into account.

General

Do NOT install the air conditioner in a location where it will come into

contact with the following elements:

◆Combustible gases

◆Saline air

◆Machine oil

◆Sulphide gas

◆Special environmental conditions

If you must install the unit in such conditions, first consult your dealer.

Accessories

◆The following accessories are supplied with the indoor unit.

The quantities are indicated in parentheses.

E-4

Pattern Sheet (2) Insulation B (2)Insulation A (2)

Drain Socket (1)

Owner’s

Instructions (1)

OWNER’SINSTRUCTIONS

Splut-typeRoomAirConditioner

Installation Manual

(1)

OWNER’SINSTRUCTIONS

Splut-typeRoomAirConditioner

Deciding on Where to Install the Indoor Unit

Indoor Unit

E-5

You must have 5mm or more space between the ceiling and the bottom of

indoor unit. Otherwise, the noise from the vibration of indoor unit may bother

the user.

5mm min

◆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)

◆After connecting a chamber, insulate the connection part between the indoor

unit and the chamber with t10 or thicker insulation.Otherwise, there can be

air leak or dew from the connection part.

Space Requirements for Indoor Unit

1500mm or more

Deciding on Where to Install the Indoor Unit (cont.)

Liquid pipe connection

Gas pipe connection

ø9.52 Flare

ø15.88 Flare

No. Name Description

Drawing of the indoor unit

Unit : mm

E-6

Indoor Unit Installation

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

◆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.

IMPORTANT

You must install the suspension bolts more than four

when installing the indoor unit.

IMPORTANT

Concrete

Suspension bolt(M8)-field supply

Hole in anchor

Hole in plug

Shipping

block

Insert

Ceiling support

Rubber

Drain hose port

When the drain hose is installed to the right.

3mm

Carefully remove the indoor unit from the packing case and pull out the

shipping block on the motor of the unit.

Place the pattern sheet on the ceiling at the spot where you want to install

the indoor unit.

Insert bolt anchors.Use existing ceiling supports or construct a suitable

support as shown in figure.

Install the suspension bolts depending on the ceiling type.

Screw eight nuts to the suspension bolts making space for hanging the

indoor unit.

Hang the indoor unit to the suspension bolts between two nuts.

Screw the nuts to suspend the unit.

Adjust level of the unit by using measurement plate for all 4 sides.

◆

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; refer to page 6.

◆

For proper drainage of condensate, give a 3mm slant to the

left or right side of the unit which will be connected with the

drain hose, as shown in the figure.Make a tilt when you

wish to install the drain pump, too.

◆

Piping must be laid and connected inside the ceiling when

suspending the unit. If the ceiling is already constructed,

lay the piping into position for connection to the unit

before placing the unit inside the ceiling.

E-7

Purging the unit

◆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.

On delivery, the indoor unit is loaded with refrigerant gas.

All this gas must therefore be purged before connecting the assembly

piping. To purge the inert gas, proceed as follows.

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

Result: All inert gas escapes from the indoor unit.

E-8

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 tube must be clean & has no dust.

The connection procedure for the refrigerant pipes varies according to

the exit position of the pipes from the indoor unit, as seen when facing

the indoor in the “A” side.

◆

Liquid refrigerant port

◆

Gas refrigerant port

◆

Drain hose port

Remove the pinch pipe on the pipes and connect the assembly pipes to

each pipe, tightening the nuts, first manually and then with a wrench, a

spanner applying the following torque.

Must use insulator which is thick enough to cover the refrigerant tube to

protect the condensate water on the outside of pipe falling onto the floor

and the efficiency of the unit will be better.

Cut off any excess foam insulation.

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

It would be necessary to double the insulation thickness(10mm or more)

to prevent condensation even on the insulator when if the installed area is

warm and humid.

Shape an oil trap as shown in figure the oil trap must be formed every level

difference of 10m.

◆

If the pipes must be shortened refer to page 10.

Outer Diameter Torque (kgf•cm)

6.35 mm (1/4") 144~176

9.52 mm (3/8") 333~407

12.70 mm (1/2") 504~616

15.88 mm (5/8") 630~770

19.05 mm (3/4") 990~1210

22.23 mm (7/8") 990~1210

Radius

5cm

Oil trap

(suction tube)

Outdoor unit

Indoor unit

Liquid refrigerant port

Drain hose port

Gas

refrigerant

port

Indoor unit

Outdoor unit

E-9

When the indoor unit is above

the outdoor unit

When the outdoor unit is above

the indoor unit

Oil trap

(Must be installed every 10m)

Oil trap

(Must be installed every 10m)

Cutting/Flaring the Pipes

Outer Diameter Torque (kgf•cm)

6.35 mm (1/4") 144~176

9.52 mm (3/8") 333~407

12.70 mm (1/2") 504~616

15.88 mm (5/8") 630~770

19.05 mm (3/4") 990~1210

22.23 mm (7/8") 990~1210

Make sure that you have the required tools available (pipe cutter, reamer,

flaring tool and pipe holder).

If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure

that the cut edge remains at a 90°angle with the side of the pipe. Refer to the

illustrations below for examples of edges cut correctly and incorrectly.

To prevent any gas from leaking out, remove all burrs at the cut edge of the

pipe, using a reamer.

Slide a flare nut on to the pipe and modify the flare.

Check that the flaring is correct, referring to the illustrations below for

examples of incorrect flaring.

Align the pipes and tighten the flare nuts first manually and then with

a wrench, applying the following torque.

Outer Diameter (D) Depth (A)

6.35 mm (1/4") 1.3mm

9.52 mm (3/8") 1.8mm

12.70 mm (1/2") 2.0mm

15.88 mm (5/8") 2.2mm

19.05 mm (3/4") 2.2mm

22.23 mm (7/8") 2.2mm

90O

Oblique Rough Burr

Inclined Damaged Surface Cracked Uneven Thickness

◆ C

In case of welding the pipe, you must weld with nitrogen

gas blowing.

E-10

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