Outdoor Unit Refrigerating Cycle Diagram - Toshiba RAV-SM1104UT-E Data Book

Engineering Data
5

Outdoor Unit refrigerating cycle diagram

RAV-SM2244AT8(Z)(ZG)-E, SM2804AT8(Z)(ZG)-E
RAV-SM2244AT7(Z)(ZG), SM2804AT7(Z)(ZG)
Solenoid valve
Muffler
Ø45×230 L
valve
Check
TD sensor
Check joint
Low-
pressure side
Pressure
sensor
Compressor
DA550A3F-11M
RAV-SM2244 series
Pressure
(MPa)
Pd
Standard 3.14 0.88 32.0
Cooling Overload 3.54 1.14 36.1 11.6
Low load 1.65 0.65 16.8
Standard 2.60 0.67 26.5
Overload 3.24 1.08 33.1 11.0
Heating
Low load 2.05 0.31 20.9
RAV-SM2804 series
Pressure
(MPa)
Pd
Standard 3.15 0.79 32.1
Cooling Overload 3.62 1.12 36.9 11.4
Low load 1.66 0.64 16.9
Standard 2.85 0.63 29.1
Heating Overload 3.26 1.06 33.3 10.8
Low load 2.05 0.29 20.9
* This compressor has 4-pole motor.
The value when compressor frequency (Hz) is measured by a clamp meter becomes 2 times of No. of compressor revolutions (rps).
EN
Check joint
High-pressure side
Pressure
switch
4-way valve
Ø8, 2rows, 60stages+Ø9.5, 1row, 60stage
13-13 pass+undercool pass
(kg/cm²g)
Discharge
(TD)
Ps Pd Ps
9.0 84
88
6.6 41
6.8 73
77
3.2 76
(kg/cm²g)
Discharge
(TD)
Ps Pd Ps
8.1 87
89
6.5 42
6.4 80
78
3 81
TO sensor
TL sensor
TE sensor
Heat exchanger
Cooling
Heating
Pipe surface temperature (°C)
Indoor heat
Suction
exchanger
(TS)
(TC)
14 10
17 16
7 5
2 42
14 52
–12 34
Pipe surface temperature (°C)
Indoor heat
Suction
exchanger
(TS)
(TC)
11 9
18 16
6 5
1 47
14 53
–13 33
19
Liquid tank
F45×420 L
TS sensor
Distributor
Strainer
Compressor
drive
Outdoor heat
revolution
exchanger frequency
(TE) (rps)*
37 64
46 62
0 36
2 66
13 36
–11 75
Compressor
drive
Outdoor heat revolution
exchanger
frequency
(TE) (rps)*
41 80
48 64
0 36
2 78
12 36
–12 96
PMV
PMV
Packed
valve
Ø12.7
Accumulator
(8500cc)
Ø161.6
Ball valve
Ø19.1
Indoor/Outdoor
temp. conditions
Indoor
(DB/WB) (°C)
fan
Indoor Outdoor
HIGH 27/19 35/–
HIGH 32/24 43/–
LOW 18/15.5 –15/–
HIGH 20/– 7/6
LOW 30/– 24/18
–10/
HIGH 15/–
(70%)
Indoor/Outdoor
temp. conditions
Indoor
(DB/WB) (°C)
fan
Indoor Outdoor
HIGH 27/19 35/–
HIGH 32/24 43/–
LOW 18/15.5 –15/–
HIGH 20/– 7/6
LOW 30/– 24/18
HIGH 15/– –15/–