EN - 10
Scope of Application,Speci
fi
cations
This refrigeration unit operates with a rotary compressor.
Use the refrigeration unit within the range shown below.
Item
Standard Value
Remarks
Refrigerant
R744
The charge supply amount shall be
adequate
Evaporating temperature
-45 °C to -5 °C
Temperature conversion of inlet
pressure
Suction pressure
0.73MPa to 2.95MPa
Unit inlet pressure
Compressor rotational speed
37 s
-1
to 65 s
-1
* (RPS)
Suction gas temperature
18 °C or below
Unit inlet (suction gas) pipe
temperature
Superheat at suction
10 K or above
Difference between evaporating
temperature and compressor inlet
temperature
Discharge pressure
9.0MPa or below
(except transient)
Compressor outlet pressure
Discharge gas temperature
95 °C or below
Compressor outlet temperature
Oil temperature
100 °C or below
(Ambient tempe10 K or above)
Ambient temperature
-15 °C to +43 °C
Gas cooler intake air temperature
Power source
~50 Hz 220 V / 230 V / 240 V
Within ± 10 % of Rate Voltage
Installation inclination angle
1° or below
ON/OFF cycle period
10 minutes or longer
for ON/OFF cycle
Oil return shall be ensured
Installation
Outdoor
The foundation shall be rigid enough
Climatic class
0/1/2/3/4/6/8
Please see below “CLIMATIC CLASS”
* Operation may not be possible depending on the installed condition.
CLIMATIC CLASS
Test room
climate class
Dry bulb temperature
°C
Relative humidity
%
Dew point
°C
Water vapour mass in
dry air
g
/k
g
0
20
50
9.3
7.3
1
16
80
12.6
9.1
2
22
65
15.2
10.8
3
25
60
16.7
12.0
4
30
55
20.0
14.8
6
27
70
21.1
15.8
8
23.9
55
14.3
10.2
Excerpt from: EN ISO 23953
Countermeasures in a cold weather operation
In order to prevent excessive reduction of high pressure in a cold weather location, surrounding around the
refrigeration unit should be made.
01̲OCU-CR200VF5.indd 10
01̲OCU-CR200VF5.indd 10
2018/12/28 15:17:06
2018/12/28 15:17:06
