AYXP12JHRN
4 – 1
AYXP12JHRN
Service Manual
CHAPTER 4. REFRIGERATION CYCLE
[1] FLOW FOW REFRIGERANT
[2] STANDARD CONDITION
* REFRIGERANT PIPE LENGTH 5m
[3] TEMPERATURE AT EACH PART AND PRESSURE IN 3-WAY VALVE
* On test run mode
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-XP12JHR-N
NO. Condition Cooling Heating
Temp. on (°C)
67 56
Temp. on (°C)
37 3
Temp. on (°C)
14 22
Temp. on (°C)
17 5
3-way valve pressure (MPaG) 1.00 2.09
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
Silencer
Coil