Samsung GH052EAM User manual
INDOOR UNIT
GH052EAM
GH070EAM
OUTDOOR UNIT
UH052EAMT
UH070EAMT
SERVICE Manual
CONTENTSSYSTEM AIR CONDITIONER
1. Product Specifications
2. Disassembly and Reassembly
3. Set Up the Model Option
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Wiring Diagram
8. Schematic Diagram
SYSTEM AIR CONDITIONER
DB98_16284A(2)_co 5/10/04 2:05 PM Page 3
1Samsung Electronics
1. Product Specifications
1-1 Table
BTU/hr
Watts
BTU/hr
Watts
Watts
Watts
A
A
r.p.m
r.p.m
r.p.m
r.p.m
m3 / min
m3 / min
m3 / min
dB(A)
dB(A)
dB(A)
W
mm
mm
mm
kg
r.p.m
r.p.m
dB(A)
W
kW
g
18,700
5,500
20,400
6,000
1ø, 220~240V~, 50Hz
1,750
1,800
7.7
8.0
-
1,315
1,210
1,105
14
12
10
45
44
43
Slit-fin coil
2 x 10 x 1.3(580mm)
Cross Flow Fan
28
230 / 299
890 / 1,077
575 / 642
21 / 25
750
400
61
Propeller Fan
60
Rotary
NN21VBAMT
1.3
Internal
Slit-fin coil
2 x 28 x 1.5
EEV
R410A
1,550
23,900
7,000
26,300
7,700
1ø, 220~240V~, 50Hz
2,350
2,500
10.5
11.0
-
1,350
1,245
1,140
14
12
10.5
46
45
44
Slit-fin coil
3 x 10 x 1.5(580mm)
Cross Flow Fan
28
230 / 299
890 / 1,077
575 / 642
22 / 26
850
340
61
Propeller Fan
73
Rotary
NN29VACMT
1.9
Internal
Slit-fin coil
2 x 28 x 1.5
EEV
R410A
1,650
MODEL
GH052EAM GH070EAM
UH052EAMT
PG103M, PG103M1, PG103M2
UH070EAMT
INDOOR UNIT
OUTDOOR UNIT
PANEL
Capacity
Power Supply
Power Input
Running Current
Fan Speed
Air Circulation
Heat Exchanger
Fan
Weight
Fan Speed
Fan
Compressor
Heat Exchanger
Refrigerant
Cooling
Heating
Cooling
Heating
Cooling
Heating
U-High
High
Mid
Low
High
Mid
Low
High
Mid
Low
Motor Output
H
W
D
Net / Gross
High
Low
Motor Output
Motor Output
Charge
Type
Row x Stages x Fin Pitch
Type
Type
Type
Model
Protection
Type
Row x Stages x Fin Pitch
Control
Type
Outdoor Unit
Indoor Unit
Sound Pressure Level
Noise Level
(Sound Pressure)
Dimension
(Net / Gross)
DB98_16284A(2)_1 5/10/04 2:06 PM Page 1
Samsung Electronics2
Table(cont.)
Notice : Air Flow rate : Fan Step Control : Low → Mid → High
mm
mm
mm
kg
˚C
˚C
˚C
˚C
mm(inch)
mm(inch)
m
m
mm
mm
mm
kg
648 / 749
880 / 1,079
310 / 418
67 / 72
27 / 19
20 / 15
35 / 24
7 / 6
6.35(1/4")
12.7(1/2")
Flare
Max. 15
Max. 30 70 / 151
1,030 / 1,103
650 / 727
4 / 8
648 / 749
880 / 1,079
310 / 418
69 / 74
27 / 19
20 / 15
35 / 24
7 / 6
6.35(1/4")
15.88(5/8")
Flare
Max. 15
Max. 30
MODEL
GH052EAM GH070EAM
UH052EAMT
PG103M, PG103M1, PG103M2
UH070EAMT
INDOOR UNIT
OUTDOOR UNIT
PANEL
H
W
D
Net / Gross
Cool(DB/WB)
Heat(DB/WB)
Cool(DB/WB)
Heat(DB/WB)
Liquid
Gas
Height
Pipe Length
H
W
D
Net / Gross
Outdoor Unit
Condition
Piping
Panel
Weight
Indoor Unit
Outdoor Unit
Pipe O.D. Size
Connection Method
Between
Weight
Dimension
(Net / Gross)
Dimension
(Net / Gross)
DB98_16284A(2)_1 5/10/04 2:06 PM Page 2
3Samsung Electronics
2. Disassembly and Reassembly
2-1 Indoor Unit
Stop operation of the air conditioner and remove the power cord before repairing the unit.
No Parts Procedure Remark
1 Front Grille
_Dust-Collecting
Filter
1) Press the "PUSH".
2) Front Grille Disassembly
(1) Open the Front Grille and pull it up to
the direction in the picture.
(2) Detach the Safe Ring.
3) Filter Disassembly
(1) Detach the Filter by disassembling the
Grille hook.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 3
Samsung Electronics4
Disassembly and Reassembly
No Parts Procedure Remark
4) Detach 6 bolts and 2 fixing screws
connected to the Main Body.(Mark point)
5) Unscrew a mark point in the picture,
and detach the Cover from the Panel
with pushing the hook.
6) Detach the connection wires of Step
Motor and the receive part from the wire
of a Main Body.
7) Widen the both hooks of panel hooked
with the Main Body to both sides, and
detach the Panel from the Indoor Unit.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 4
5Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
2 Electronic Part
_Indoor & Outdoor
Connecting Cable
1) Unscrew 2 fixing screws of the Case
control and screw of Thermistor wire and
holder.
2) Push the hook, and pull the knob of a
case.
3) Detach the indoor and outdoor connection
wire cable connected to the Terminal.
4) Detach the Fan Motor connection wire,
Heat Exchanger Sensor connection wire,
and the Drain Pump Float S/W connection
wire from the connecter.
5) Detach the Control Box from the main body.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 5
Samsung Electronics6
Disassembly and Reassembly
No Parts Procedure Remark
3 EVAP ASS'Y 1) Unsrew 3 screws connected to the main
body and Cover Side.
2) Detach the Cover Side if from the main
body.
3) Unscrew 16 screws connected to the Drain
Pan and the main body.(Mark point)
4) Detach the Drain Pan from the main body.
5) Unscrew 4 Heat Exchanger screws
connected to the cabinet body and cover
Evap Guide.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 6
7Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
4 Fan
&
Motor
6) Detach the Drain Pump Sensor from the
holder, and detach the Heat Exchanger
from the main body by pushing it to the
direction of Drain.
1) Unscrew 4 screws of Cover Motor and
Evap Guide connected to the Case Motor.
2) After detaching the Cover Motor by
pushing the hook, detach the Cover Evap
Guide.
3) Detach the Motor and Fan from the case.
(Use M3 wrench when detaching the Motor
from the Fan.)
DB98_16284A(2)_1 5/10/04 2:06 PM Page 7
Samsung Electronics8
Disassembly and Reassembly
No Parts Procedure Remark
5
6
Drain Pump
Other Parts
1) Detach the Drain Hose connected to the
Drain Pump by loosening the spring.
2) Unscrew 4 screws connected to the
Holder Pump and Drain Pump.
3) After connector detaching, detach the Drain
Pump from the holder.
1) In case of the other parts, detach it like a
picture when necessary.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 8
9Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
7 Front Panel 1) Unscrew 2 screws of the Holder Motor
fixed on the Panel, and detach the Holder
Motor. The Panel, and detach the Holder
Motor.
2) Unscrew 2 screws of the Step-Motor,
and detach the Step-Motor from the Panel.
3) Detach the cable clamp screw.
4) Push the hook of case PCB to the both
sides and detach the case from the Panel.
DB98_16284A(2)_1 5/10/04 2:06 PM Page 9
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