AEX12GRN
4 – 1
AEX12GRN
Service Manual
CHAPTER 4. REFRIGERATION CYCLE
[1] FLOW FOW REFRIGERANT
[2] STANDARD CONDITION
* REFRIGERANT PIPE LENGTH 5.0m
[3] TEMPERATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE
Indoor side Outdoor side
Dry-bulb Temp. (°C) Relative Humidity (%) Dry-bulb Temp. (°C) Relative Humidity (%)
Cooling 27 47 35 40
Heating20– 787
Model AY-XP12GR-N
Operation model MAX. TEST RUN
Cool Heat Cool Heat
Hz 69 90 42 42
No. (rpm) (4150) (5400) (2500) (2500)
175°C87°C61°C60°C
240°C2°C38°C3°C
312°C36°C13°C30°C
410°C3°C13°C5°C
3-way valve pressure (MPaG) 0.87 3.29 1.04 2.34
s
1
4
C
2
Accumulator
3
Strainer
Expansion
valve
Heating Cooling
Outdoor unit
Condenser
Evaporator
Indoor unit
Reverse valve
Comp-
ressor
Flare coupling Flare coupling
3-way
valve
2-way
valve
Coil
Muffler