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3.2 Pre-cautions of changing oil
1. Use only qualified oil and do not mix different brands of oil together. Selection of oil should match characteristics of the
refrigerant used. Some types of synthetic oil are incompatible with mineral oil. Oil remained in the compressor should be totally
cleaned up in the system before charging different brands of oil. Charge the compressor with oil for the first start and then change it
into new oil again to ensure that there’s no mix at all.
2. When using polyester oil for chiller systems, please make sure not to expose oil to the atmosphere for prevention of change in
its property. Therefore, it is necessary to vacuum the system completely when installing the compressor.
3. In order to ensure no oxygen inside the system, it is suggested to clean the system by charging it with dry Nitrogen and then
vacuum it repeatedly as long as possible.
4. It is a must to change the oil in motor burned out case, because acid debris may still remain inside the system. Please follow the
procedures mentioned above to change oil in the system. Check acidity of oil after 72 hours of operation and then change it again
until acidity of oil becomes normal.
5. Please contact Hanbell local distributors/agents for selection of oil.
3.3 Oil change
1. Change oil periodically: Check lubrication oil every 10,000 hours of continuous running. For the first operation of the
compressor, it is recommended to change the oil and clean the external oil filter after running 2,000 hours. Check the system
whether clean or not and then change oil every 20,000 hours or after 3 years’ continuous running while the system operates in good
condition.
2. Avoid clogging in oil filter with debris or swarf which may cause failure in bearings. An optional oil pressure differential switch
is recommended to be installed. The switch will trip when the oil pressure differential between the primary and secondary sides
reaches the critical point and then the compressor will automatically shut down to prevent the bearings from damage due to oil loss.
Summary of Contents for ExP Series
Page 1: ...1 ...
Page 6: ...6 1 4 ATEX code description II 2 G c IIB T4 II 2 G Ex d IIB T4 Gb ...
Page 8: ...8 RC2 180 ExP A B RC2 200 ExP A ...
Page 9: ...9 RC2 200 ExP B RC2 230 ExP A B UNIT SI mm Imperial in ...
Page 10: ...10 RC2 260 ExP A B SI mm Imperial in UNIT RC2 300 ExP 320 ExP A ...
Page 11: ...11 RC2 300 ExP 320 ExP B RC2 310 ExP A B ...
Page 12: ...12 RC2 340 ExP 370 ExP A RC2 340 ExP 370 ExP B ...
Page 13: ...13 RC2 410 ExP A B RC2 470 ExP A ...
Page 14: ...14 RC2 470 ExP B RC2 510 ExP A B ...
Page 15: ...15 RC2 550 ExP A RC2 550 ExP B ...
Page 16: ...16 RC2 580 ExP A B RC2 620 ExP A B ...
Page 17: ...17 RC2 710 ExP A RC2 710 ExP B ...
Page 18: ...18 RC2 790 ExP A RC2 790 ExP B SI mm Imperial in UNIT ...
Page 19: ...19 RC2 830 ExP A RC2 830 ExP B ...