technical information

recipro compressor

operational standards & limitation

no item operational standards and limitation
refrigerant R22 (normal) R407C R410A R22 (tropical)
1 Condensing temp
(pressure)[°C]
[kg/cm².G]		 28~65 28~75
10.5~26.5 10.1~27.5 17.2~42.3 10.5~32.0
2 Evaporating temp
(pressure)[°C]
[kg/cm².G]		 -25.0~12.7
1.02~6.5 0.71~6.0 2.33~10.9 1.02~6.5
3 Compression ratio 2~8
4 Suction gas superheat Sufficient superheat is proffered for preventing liquid flood back
5 Liquid subcool Sufficient liquid subcool is proffered
6 Discharge gas temp Max. 115°C
7 Motor winding temp. Max. 130°C
8 Bottom shell temperature Min. 5 °C higher than condensing temp
9 Abnormal pressure rise Max. 48.0kg/cm²·G
10 On-Off cycle On/Off= Min. 3 Minutes / Min. 3 Minutes → Total 200,000 cycles
11 Oil level Steady-state : higher than 5mm based bottom plane of cylinder Transient-state : higher than bottom plane of bottom flange
12 Vibration of tubing Steady-state : higher than 5mm based bottom plane of cylinder Transient-state : higher than bottom plane of bottom flange
13 Tube stress Starting & stop : less than 3.5 kg/mm²
Normal operating : less than 1.25 kg/mm²
14 Spacing of tubing Between tube and moving parts : Min. 13.0 mm
Between tube and non-moving parts : Min. 10.0 mm
15 Length of tubing Max. 15m between indoor and outdoor sections
(Need to the special discussion in case of excess)
16 Height difference of tubing Max. 7m between indoor and outdoor sections
(Need to the special discussion in case of excess)
17 Tilt of operation The allowable tilt of compressor under operation should be 5째 or less
18 Storage Do not open compressor rubber plugs more than 10 minutes before use Max. storage time : 1 year from manufacturing
19 External shock External shock should be less than 60 G
20 Prohibition of air or Do not operate the compressor in air or vacuum
21 Vacuum operating Less than ( Oil Volume * Oil density ) / ( 0.35 ~ 0.4 )