Chapter 4. Refrigeration Cycle; Flow Fow Refrigerant; Standard Condition; Temperature At Each Part And Pressure In 3-Way Valve - IVT AY-XP12FR-N Service Manual

AYXP12FRN
CHAPTER 4.
AYXP12FRN 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.
1
2
3
4
3-way valve pressure (MPaG)
Indoor unit
Flare coupling
3-way
valve
Silencer
Outdoor unit
Accumulator
4
Comp-
ressor
Reverse valve
Indoor side
Relative Humidity (%)
27 47
20 –
AY-XP12FR-N
MAX.
Cool Heat
83 more than 93
76 81
40 16
15 33
10 3
1.08 3.05
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
56 52
39 7
15 25
16 6
1.29 2.15
4 – 1
Relative Humidity (%)
40
87