Chapter 4. Refrigeration Cycle; Flow Fow Refrigerant; Standard Condition; Temperature At Each Part And Pressure In 3-Way Valve - IVT AE-X12GR-N Service Manual

AEX12GRN
CHAPTER 4.
AEX12GRN REFRIGERATION CYCLE

[1] FLOW FOW REFRIGERANT

[2] STANDARD CONDITION

Dry-bulb Temp. (°C)
Cooling
Heating
* REFRIGERANT PIPE LENGTH 5.0m

[3] TEMPERATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE

Model
Operation model
Hz
No. (rpm)
1
2
3
4
3-way valve pressure (MPaG)
Indoor unit
Flare coupling
3-way
valve
Muffler
Outdoor unit
Accumulator
4
Comp-
ressor
Reverse valve
Indoor side
Relative Humidity (%)
27 47
20 –
AY-XP12GR-N
MAX.
Cool Heat
69 90
(4150) (5400)
75°C 87°C
40°C 2°C
12°C 36°C
10°C 3°C
0.87 3.29
Service Manual
Evaporator
3
Flare coupling
2-way
valve
Heating Cooling
Strainer
s
1
Expansion
valve
Coil
Condenser
C
2
Outdoor side
Dry-bulb Temp. (°C)
35
7
TEST RUN
Cool Heat
42 42
(2500) (2500)
61°C 60°C
38°C 3°C
13°C 30°C
13°C 5°C
1.04 2.34
4 – 1
Relative Humidity (%)
40
87