Chapter 4. Refrigeration Cycle; Refrigeration Cycle - Sharp AY-XPC18LR Service Manual

AYXPC18LR
CHAPTER 4.
AYXPC18LR

REFRIGERATION CYCLE

[1] REFRIGERATION CYCLE
1. FLOW OF REFRIGERANT
AY-XPC18LR
Indoor unit
Evaporator
Flare coupling
Outdoor unit
3-way
valve
(GAS)
Silencer
Accumulator
4
1
Comp-
Muffler
ressor
Coil
C
Reverse valve
2. STANDARD CONDITION
Dry-bulb Temperature
Cooling 27°C
Heating 20°C
3. TEMPEATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE
MODEL
No. Condition
Temp. on (°C)
1
Temp. on (°C)
2
Temp. on (°C)
3
Temp. on (°C)
4
3-way valve pressure (MPaG)
* On test run mode
3
Flare coupling
2-way
valve
(LIQUID)
Heating Cooling
Strainer
s
Expansion
valve
s Strainer
Condenser
2
Indoor side
Relative humidity
47%
–
AY-XPC18LR
Cooling Heating
74 82
41 4
12 34
12 6
0.88 2.83
Service Manual
AY-XP24LR
Flare coupling
3-way
valve
(GAS)
Silencer
Accumulator
4
Comp-
ressor
Sub
Accumu-
lator
Reverse valve
Outdoor side
Dry-bulb Temperature(°C)
35°C
7°C
AY-XP24LR
Cooling Heating
79 83
39 5
13 29
10 3
0.83 3.02
4 – 1
Indoor unit
Evaporator
3
Flare coupling
Outdoor unit
3-way
valve
(LIQUID)
Heating Cooling
s
Strainer
Expansion
1
valve
Muffler s Strainer
Coil
Condenser
C
2
Relative humidity
40%
87%