Chapter 4. Refrigeration Cycle [1]Schematic Diagram; Standard Condition - IVT 12PHR-N Service Manual

CHAPTER 4. REFRIGERATION CYCLE
[1]SCHEMATIC DIAGRAM
1. HOW REFRIGERANT FLOWS

2. STANDARD CONDITION

Dry-bulb Temp. (℃ )
Cooling
Heating
* REFRIGERANT PIPE LENGTH: 5m
3. TEMPERATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE
Model
Mode
Temp. on (°C)
Temp. on (°C)
Temp. on (°C)
Temp. on (°C)
3-way valve pressure (MPaG)
* On test run mode
12PHR-N_S530612PHRN.indd 1
Indoor unit
Flare coupling
3-way
valve
Silencer
Outdoor unit
Accumulator
4
Reverse valve
Indoor side
Relative Humidity (%)
27 47
20 —
Cooling
65
37
14
14
1.00
Evaporator
3
Flare coupling
2-way
valve
Heating Cooling
Strainer
s
1
Antifreeze
pipe
Expansion
valve
Comp-
ressor
Coil
C
2
Condenser
Outdoor side
Dry-bulb Temp. (℃ )
35
7
12PHR-N
4-1
12PHR-N
Relative Humidity (%)
40
87
Heating
56
3
22
5
2.17
2013/8/7 15:42:18