Daewoo DTA-240L Instructions d'installation
1
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
2
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
3
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.
4
INDOOR UNIT
664
940
250
250
7050
98
940
61.5 34.7
48
DRAIN OUTLET DRAINAGE CHECKUP HOLE
POWER CORD
CONNECTING HOLE
840
880
CEILING DRILLING SIZE
DIMENSIONS OF INDOOR UNIT [DTA-240L]
5
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
20
0~5mm
Suspension Bolt
nuts
Product fixing bracket
880
880
overhead
side
NUT SPRING WASHER
BOLT
PLANE WASHER
6
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
7
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
PIPE INSULATION
(X) (O)
8
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
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
9
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.
10
INDOOR UNITWIRE CONNECTION
DTA-240L 3113544320
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