Sharp AH-A129 Service Manual ▷ View online
AH-A129E
AU-A129E
AU-A129E
13
Figure R-1. Refrigeration Cycle
REFRIGERATION CYCLE
Figure R-2. Flow of Refrigerant
Indoor unit
Outdoor unit
Flare coupling
Evaporator
Strainer
Condenser
Accumulator
Compressor
Capillary
tube
tube
Flare coupling
Flare coupling
Flare coupling
1
4
2
3
S
Service port
S
AH-A129E
AU-A129E
AU-A129E
14
Cycle temperature and service port pressure
(ISC Cooling)
(ISC Cooling)
I
SO Cooling T1 condition
Dimension of Capillary tube
O.D.
I.D.
L
Capillary tube
ø 2.7
ø 1.6
700
Cooling
81˚C
39˚C
13˚C
9˚C
0.53MPa
Service port pressure
NO. Condition
1
2
3
4
Gauge pressure
Indoor side
Outdoor side
Cooling
Temperature (˚C)
Relative humidity (%)
Temperature (˚C)
27
47
35
40
Relative humidity (%)
AH-A129E
AU-A129E
AU-A129E
15
Figure P-1. At Cooling
PERFORMANCE CURVES
Indoor air temp. : 27˚C
Indoor humidity : 47RH%
Indoor fan speed : Hi
Indoor fan speed : Hi
1500
2.5
3.0
3.5
4.0
4.5
(KW)
1000
500
15
14
Input(W)
13
12
11
10
9
8
7
Outside air temp.(˚C)
Outlet air temp.(˚C)
3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7
3 8 3 9 4 0
8500
10200
11900
13600
15300
Cooling capacity (BTU/h)
Power source : 1ø 220V 50Hz
AH-A129E
AU-A129E
AU-A129E
16
1. Remove the 3 screw covers in the front panel.
2. Remove 3 fixed screws.
4. Close the open panel softly, and then press B and C
of it securely.
Remove the front panel ass’y as to lift up.
Remove the front panel ass’y as to lift up.
DISASSEMBLING PROCEDURE
INDOOR UNIT
CAUTION: DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY SERVICING
B
B
C
5. Loose a cord clamp screw and take it out.
6. Loose 3 screws on the terminal board and take out
the unit-to-unit cord from it.
3. Pull the open panel at A toward you.
Remove a fixed screw.
A
A
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