Bitzer ST-140-3 Manuel D'utilisation page 53

Fig. 9: Side view HS.9593, the red outline indicates the additional bore with a set screw (corresponds to entry 24 in the dimensional drawing,
see Operating instructions SB-110 or BITZER SOFTWARE).
OS.A105: additional oil injection
Similar to HS.95 and OS.A95 (see above), OS.A105 compressors have additional bores with a set screw as stand-
ard. Depending on the compressor type and operating frequency, 1 .. 3 of these must be opened - see operating
instructions for details:
• SB-520 : Operating instructions Open drive screw compressors OS.85, OS.95, OS.105
Fig. 10: Side view of OS.A10583 .. OS.A10593, the red outline indicates the protective plate of the oil connection behind which, among others,
the 3 bores for the oil injection are located (DN65, corresponds to entry 5 in the dimensional drawing)
CSH and CSVH: Connections for external oil coolers
CSH and CSVH compressors have designated connections for external oil coolers. The connection positions for
each compressor can be found in the BITZER SOFTWARE:
1. choose the compressor type
2. choose the tab "Dimensions" for dimensional drawings
3. choose the tab "Information" for the legend of connection positions
– CSH: Connections for external oil coolers on the rear compressor side, directly below the discharge gas shut-
off valve (oval or rectangular flange)
– CSVH: Position 11a and b shows the connections for external oil coolers
CSH: Connection adapter and additional oil injection
Connection adapter:
• CSH65.3 / CSH75.3: Replace oval flange by connection adapter with control valve (option). Connection diameter
16 mm - 5/8" each, kit no. 367 912 01
ST-140-3 // PDF Download 53