Daewoo DTA-240L Installation instructions

CONTENTS

RUN AND CHECK UP....................................................................................................................................................2

WHERE TO INSTALL.....................................................................................................................................................3

INSTALLATION..............................................................................................................................................................3

INDOOR UNIT

DIMENSIONS OF INDOOR UNIT [DTA-240L]............................................................................................4

INDOOR UNIT INSTALLATION....................................................................................................................5

REFRIGERANT PIPE CONNECTION..........................................................................................................6

AIR PURGE...................................................................................................................................................6

REFRIGERANT SUPPLEMENT...................................................................................................................7

LEAK CHECKUP...........................................................................................................................................7

PIPE INSULATION AND ISOLATION...........................................................................................................7

DRAIN HOSE INSTALLATION .....................................................................................................................8

DRAINAGE TEST..........................................................................................................................................9

INDOOR UNIT WIRE CONNECTION.........................................................................................................10

OUTDOOR UNIT

OUTDOOR UNIT WIRE CONNECTION.....................................................................................................11

CHECKUP GROUNDING ...........................................................................................................................12

FRONT PANEL

FRONT PANEL INSTALLATION ................................................................................................................13

OWNER’S MANUAL.....................................................................................................................................................14

RUN AND CHECK UP

Before the installation is carried out completely, check these out.

• Pipe connection and gas leaks

• Electric wiring and isolation treatment of drain pipes

• Drainage system and insulation treatment of drain pipes

• Grounding wire connection

Wire Remote Controller

1. Turn on the air conditioner. (If you can see the present temperature on the LCD of the wire remote controller, it means

the power supply is correctly connected.)

2. Set the mode 'Auto' and check if the outdoor unit is working properly.

(The outdoor unit runs 30 seconds after the first operation.)

3. Press the Fan Dir. button and check if regulating the angle of Flap is normal.

4. Complete the operation.

If any error occurs, ERR is shown on the wire remote controller.

Wireless Remote Controller

1. Turn on the air conditioner.(If you can see the present temperature on the LCD of the wire remote controller, it means

the power supply is correctly connected.)

2. Set the mode 'Auto' and check if the outdoor unit is working properly.(The outdoor unit runs 30 seconds after the first

operation.)

3. Complete the operation.

WHERETO INSTALL

Cautions before installation

• Read this manual thoroughly before you attempt to install the air conditioner.

• Drilling work through the ceiling must be done before installation.

• After installation, be sure to take a dry run and check if the machine is working properly.

• To avoid possible personal injury or property damage, be sure that installation will be done by instructed employ-

ees.

• In case that installation in those places as below is inevitable, contact an authorized company.

- Where the oily vapor or wheat flour is around

- Where the lubricating oil(such as cutting oil) is around

- Where inflammable gas flows in and remains.

- Where corrosive gas is produced or flows in and remains

- Where ducts are restricted to be installed

- Where surroundings of installation is not ordinary

Indoor Unit

• Where the unit can be sufficiently held up and no vibration is felt.(must receive the weight of more than 150kg)

• Where around the air inlet and outlet is clear.

• Where condenser water can be easily let out, and connecting pipes to the outdoor unit is easy.

• Where heat or vapor around the unit is clear(must be far away from kitchen or other heat sources)

• Where ceiling and floor is at a distance of lower than 3m.

• Where the unit can stand level with floor.

Outdoor Unit

• Out of rain or direct rays of the sun and well-ventilated

• Where not to bar the way

• Where the noise and heated air wouldn't disturb neighbourhood or animals and plants.

• Not to be installed on the outside railings of window or outside wall.

(to avoid possible personal injury and no after service available)

• Where pipes or wires can be easily connected to the unit.

• Where grounding is easy.

• Where installation distance is maintained long enough.

INDOOR UNIT

664

940

250

7050

940

61.5 34.7

DRAIN OUTLET DRAINAGE CHECKUP HOLE

POWER CORD

CONNECTING HOLE

840

880

CEILING DRILLING SIZE

DIMENSIONS OF INDOOR UNIT [DTA-240L]

1. Drill a hole with a depth of 880mm where the indoor

unit will be installed.

•Before carrying out installation, be cautious of the di-

rection of drainage pipes and refrigerant pipes.

3. Bring the product fixing bolt together with nut and

washer as the figure shows.

•But the space for a hanger bracket to be inserted

must be secured.

4. Insert the hanger bracket between the fixed nuts on

the ceiling Suspension Bolt and hang the indoor unit.

2. Drill a hole through the ceiling or ceiling rest and in-

sert the base bolt.

•In case that the bolt for supporting ceiling is over

1.5M, vibration isolation is needed.

Vibration isolating device is not included in product.

INDOOR UNIT INSTALLATION

5. Tighten the nuts and fix the indoor unit completely. 6. Select where to put the indoor unit, considering the

enough space the front panel can be fit in.

Product's level surface must be considered and ad-

just the level, and then fix the product.

Concrete

Anchor Bolt

for fixing product

Suspension Bolt

0~5mm

Suspension Bolt

nuts

Product fixing bracket

880

overhead

side

NUT SPRING WASHER

BOLT

PLANE WASHER

REFRIGERANT PIPE CONNECTION

AIR PURGE

If there is air or nitrogen gas which isn't to be condensed in the pipes, outflow pressure rise, power loss, condenser heat-

ing, and air conditioner deterioration might occur, and therefore air purge is essential.

Air purge is supposed to use the pulsometer pump, and can also use additional refrigerant in the unit.

•Refrigerant pipe connection

After finishing connecting the refrigerant piping,

check any refrigerant leak and wrap it with insulation

material, and cover it again with vinyl tape.

Tighten the flare nuts with torque rule.

1. Connect the pipes of indoor/outdoor units.

In carrying out this work, tighten the flare nut 4 rather

loosely.(screwable with hand)

2. Remove the cap nuts 8, 9, 10, and tighten the cap

nut 7 1~2 seconds after screwing it with a angle of 90

counterclockwise with hexagon wrench. In doing this

work, tight the flare nut 4 completely.

3. Press the nut 6 2~3 times(1 time/3 sec.) and vacuum

the air in the service valve completely. 4. Open the gas/liquid side service valves fully with use

of hexagon wrench.

INDOOR OUTDOOR

Warning

•Use two spanners in connecting the union to the flare

nut.

•Do not bend the pipes more than twice and work on

the longer radius.

•Do not remove the cap on the flare until the clamping

is done.

Indoor Unit

To check up gas leak, the end of flare nut

on A, B part.

Outdoor Unit

valve on C, D part

REFRIGERANT SUPPLEMENT

In case that the length of the refrigerant pipe is over 5m, refrigerant must be supplemented.(max.20m)

But the amount of the supplementary refrigerant is variable according to installing condition, so check the condition be-

fore supplementing refrigerant.

This work must be carried out by qualified employees.

•In case that vertical length is over 10m, install an oil trap on the gas pipes.

PIPE INSULATION AND ISOLATION

To prevent vapor from forming inside the pipes, insulate each pipe with heat-resisting polyethylrne resin.

Following figure shows how to insulate and isolate the refrigerant pipes correctly.

LEAK CHECKUP

ELECTRIC WIRE

PIPE LIQUID

FINISHING TAPE

PIPE GAS

ELECTRIC WIRE

PIPE LIQUID

FINISHING TAPE

PIPE GAS

PIPE INSULATION

(X) (O)

DRAIN HOSE INSTALLATION

1. Drain hose connection

In case that the drain hose is connected, bonding

work is necessary for preventing leaks, and then

make it immovable with fixing stuff such as adhesive

band.(adhesive band is not included in product)

•outside diameter of drain hose connecting hole is

32mm

2. Insulating treatment

Insulating treatment must be carried out for the con-

denser water not to leak out from drain pipes.

Be sure there is no gap between the product and

hose.

•Inside diameter of flexible hose connecting hole is

32mm.

•In case that outside temperature and humidity is

high, make the insulating material by 10~30mm.

3. Supporting and connecting pipes

To let out the condenser water, drain pipes must be

at down-slope.

In case that drain pipes are not at down-slope, prob-

lems such as reverse flow of condenser water might

occur.

If the pipe is long, a rest that can support the pipe

needs to be installed.(to be worked within 1~1.5M)

4. Horizontal extension of pipe is impossible.

In case that drain hose is above the connecting hole,

it must be connected up to the hole at a right angle

within 30cm crossways from the product. Height of

the drain hose is at a right angle within 600mm from

the drain hose connecting hole.

Warning!

After connecting the flexible hose to the drain hose con-

necting hole, connecting the hose up at a right angle is

restricted.

outside diameter of

drain hose connecting

hole is 32mm

Drain hose

connecting hole Insulation

Flexible

hose

main

body

bonding

work adhesive band

(not included in

product)

drain

pipe

Main

body

pipe rest

down-slope(over 1/100)

elbow

25A VP

flexible hose

drain pipe

(with down-slope)

drain hose

connecting

hole

horizontal extension within

30cm is not impossible

within

60cm

overhead side

DRAINAGETEST

1. Remove the two bolts from checkup unit on the side

of drain pipe and detach the checkup cover. 2. Pour the prepared water inside the checkup unit.

•In case of failing to pour the water inside the check-

up unit, water might overflow the product.

3. Check if the draining is normal.

pumping/draining

--->Checking drainage is available during turn-off,

cooling and heating.

4. Reinstall the checkup cover.

INDOOR UNITWIRE CONNECTION

DTA-240L 3113544320

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