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—5—
POWER SUPPLY
COOLING CAPACITY
(Kcal/h)
INPUT
(W)
RUNNING CURRENT
(A)
E.E.R
(Kcal/W.h)
INDOOR
(°C)
OUTDOOR (°C)
REFRIGERANT (R-22) CHARGE
EVAPORATOR
CONDENSER
FAN, INDOOR
FAN, OUTDOOR
FAN SPEEDS, FAN/COOLING
FAN MOTOR
OPERATION CONTROL
ROOM TEMP. CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION
PROTECTOR
COMPRESSOR
FAN MOTOR
POWER CORD
DRAIN SYSTEM
NET WEIGHT
(lbs/kg)
OUTSIDE DIMENSION
(inch)
(W x H x D)
(mm)
1,800
710
3.3
2.535
27(DB)*
19.5(WB)**
35(DB)*
24(WB)**
370g (13.0 Oz)
2 ROW 14 STACKS, SLIT-FIN TYPE
2 ROW 16 STACKS, LOUVERED-FIN TYPE
BLOWER
PROPELLER TYPE FAN WITH SLINGER-RING
2/3
0/2
6 POLES
ROTARY SWITCH
ROCKER SWITCH
THERMOSTAT
VERTICAL LOUVER (RIGHT & LEFT)
HORIZONTAL LOUVER (UP & DOWN)
SLIDE IN-OUT CHASSIS
OVERLOAD PROTECTOR
INTERNAL THERMAL PROTECTOR
(3 WIRE WITH GROUDING)
ATTACHMENT PLUG (CORD-CONNECTED TYPE)
DRAIN PIPE OR SPLASHED BY FAN SLINGER
64/29
18
1
/
2
x 13
7
/
8
x 20
11
/
16
470 x 353 x 525
1ø, 220V~, 60Hz
LWG0821ACG
LWG0821DCG
MODELS
ITEMS
OPERATING
CONDITION
1.4 LWG0821ACG, LWG0821DCG
* DB:Dry Bulb
** WB:Wet Bulb
** WB:Wet Bulb
—10—
2.1 MECHANICAL PARTS
2.1.1 FRONT GRILLE
1. Open the lnlet grille upward or downward.
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille.
5. Re-install the component by referring to the
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille.
5. Re-install the component by referring to the
removal procedure, above.(See Figure 1)
2.1.2 CABINET
1. After disassembling the FRONT GRILLE, remove
the 2 screws which fasten the cabinet at both
sides.
sides.
2. Remove the 2 screws which fasten the cabinet at
back.
3. Pull the base pan forward. (See Figure 2)
4. Remove the cabinet.
5. Re-install the component by referring to the
4. Remove the cabinet.
5. Re-install the component by referring to the
removal procedure, above.
2.1.3 CONTROL BOX
1. Disconnect the unit from the power source.
2. Remove the front grille. (Refer to section 2.1.1)
3. Remove the cabinet. (Refer to section 2.1.2)
4. Remove the screw which fastens the control box
2. Remove the front grille. (Refer to section 2.1.1)
3. Remove the cabinet. (Refer to section 2.1.2)
4. Remove the screw which fastens the control box
cover.
5. Remove the housing which connects motor wire
in the control box.
6. Remove the 3 leads from the compressor.
(Refer to section 2.3.1)
7.Discharge the capacitor by placing a 20,000
ohmresistor across the capacitor terminals.
8. Remove the 2 screws which fasten the control
box.(See Figure 3)
9. Pull the control box forward completely.
10. Re-install the components by referring to the
removal procedure, above. (See Figure 3)
(Refer to the circuit diagram found on page 24 in
this manual or on the control box.)
(Refer to the circuit diagram found on page 24 in
this manual or on the control box.)
2. DISASSEMBLY INSTRUCTIONS
— Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord.
Figure 1
Figure 3
Figure 2
—11—
2.2 AIR HANDLING PARTS
2.2.1 AIR GUIDE AND BLOWER
1. Remove the front grille. (Refer to section 2.1.1)
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove the control box. (Refer to section 2.1.3)
4. Remove the 3 screws which fasten the brace.
5. Remove the brace.
6. Remove the 2 screws which fasten the evaporator.
7. Move the evaporator forward and pulling it upward
slightly. (See Figure 4)
8. Move the evaporator to the left carefully.
9. Pull out the hook of orifice by pushing the tabs and
remove it. (See Figure 5)
10. Remove the clamp with a hand plier which
secures the blower.
11. Remove the blower.
12. Remove the 4 screws which fasten the air guide
12. Remove the 4 screws which fasten the air guide
from the barrier.
13. Move the air guide backward, pulling out from the
base pan.
14. Re-install the components by referring to the
removal procedure, above.
2.2.2 FAN AND SHROUD
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the brace (Refer to section 2.2.1)
3. Remove the 3 screws which fasten the condenser.
4. Move the condenser to the left carefully.
5. Remove the clamp which secures the fan.
6. Remove the fan and then pull out the shroud.
(See Figure 6)
7. Re-install by referring to the removal procedure.
Figure 4
Figure 5
Figure 6
—12—
2.3 ELECTRICAL PARTS
2.3.1 OVERLOAD PROTECTOR
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the nut which fastens the terminal cover.
3. Remove the terminal cover. (See Figure 7)
4. Remove all the leads from the overload protector.
5. Remove the overload protector.
6. Re-install the component by referring to the
removal procedure, above.
2.3.2 COMPRESSOR
1. Remove the cabinet. (Refer to section 2.1.2)
2. Discharge the refrigerant system using a Freon
TM
Recovery System.
If there is no valve to attach the recovery system,
install one (such as a WATCO A-1) before venting
the Freon
If there is no valve to attach the recovery system,
install one (such as a WATCO A-1) before venting
the Freon
TM
. Leave the valve in place after
servicing the system.
3. Remove the overload protector. (Refer to section
2.3.1)
4. After purging the unit completely, unbraze the
suction and discharge tubes at the compressor
connections.
connections.
5. Remove the 3 nuts and the 3 washers which
fasten the compressor.
6. Remove the compressor. (See Figure 8)
7. Re-install the components by referring to the
removal procedure, above.
2.3.3 CAPACITOR
1. Remove the control box. (Refer to section 2.1.3)
2. Remove the knobs and the screw which fasten
2. Remove the knobs and the screw which fasten
control panel from control box.
3. Remove the screw which located in the front.
4. Open the bottom side of control box.
5. Remove the screw and the clamp which fastens
4. Open the bottom side of control box.
5. Remove the screw and the clamp which fastens
the capacitor.
6. Disconnect all the leads of capacitor terminals.
7. Re-install the components by referring to the
7. Re-install the components by referring to the
removal procedure, above. (See Figure 9)
Figure 7
Figure 8
Figure 9
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