MAYEKAWA 8M - Installation; Position of the Oil Returning Point in the Oil Separator; Procedure of Oil Returning; Protection Switch

2202G1JE-DA-M-N_2010.01.
3 Installation
Reciprocating Compressor M Series 3.2 Installation Works
3-6
3.2.5 Installation
3.2.5.1 Installation
Check that mounting surfaces of the refrigerating, cold storage, and coolant systems to compressor are horizontal.
If not, the compressor may be deformed by tightening bolts, and fail to operate normally.
3.2.5.2 Position of the Oil Returning Point in the Oil Separator / Procedure of
Oil Returning
Use the float valve.
Do not return oil from the receiver/or chiller only from discharge oil separator.
3.2.5.3 Protection Switch
To protect the compressor and prevent accidents, attach the protection equipment below.
For details, refer to "1.4.5 Automatic Control and Protection Equipment of Refrigerating Machine".
 Low oil pressure failure protection equipment (OP)
 High pressure protection equipment (HP)
 Low pressure control equipment (LP)