Chapter 4. Refrigeration Cycle; Refrigeration Sycle - Sharp AE-X2M14LR Service Manual

AEX2M14LR
CHAPTER 4.
AEX2M14LR
REFRIGERATION CYCLE

[1] REFRIGERATION SYCLE

UNIT B
Heat exchanger
(3)
UNIT A
Heat exchanger
(3)
INDOOR UNIT
UNIT B
UNIT A
1. Cycle temperature and pressure in stop valve
Running unit
AY-XPM7FR &
AY-XPM7FR &
(2 units)
Stop valve pressure (gas side) (MPa gauge)
AY-XPM12FR
(1 unit)
Stop valve pressure (gas side) (MPa gauge)
INDOOR UNIT
Cooling
No
(1)
(2)
(3)
(4)
Frequency (Hz)
(1)
(2)
(3)
(4)
Frequency (Hz)
Service Manual
STOP valve (Liquid)
Expansion valve B
Expansion valve A
STOP valve (Gas)
OUTDOOR UNIT
Refrigeration Cycle
OUTDOOR UNIT
heating
Flow of Refrigerant
Cool (MAX) Cool (Test run)
72
40
13
17
1.00 1.13
60
80
38
10
12
0.78 1.01
65
4 – 1
(1)
(4)
Operation Mode
Heat (MAX)
63 69
38 1
15 28
21 4
2.35
35 70
67 77
37 2
13 39
18 3
3.20
35 70
(2)
Heat (Test run)
43
3
24
4
1.72
30
54
3
28
5
2.25
35