Grasso Screw compressors Types C ... XF Product Information - GEA ...

PRODUCT INFORMATION
GRASSO SCREW COMPRESSORS
Types C ... XF
TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................................................ 8
1.1 OPERATIONAL AREA ...................................................................................................... 8
1.2 PRODUCT RANGE ........................................................................................................... 8
1.3 TECHNICAL FEATURES ................................................................................................ 10
2 PRODUCT OVERVIEW ............................................................................................................... 11
3 COMPRESSOR DESCRIPTION .................................................................................................. 12
3.1 Product description / Product code .................................................................................. 12
4 COMPRESSOR DESIGN CRITERIA ........................................................................................... 17
5 OPERATING LIMITS.................................................................................................................... 19
6 MAIN DIMENSIONS..................................................................................................................... 24
6.1 SERIES SH; TYPE C, D .................................................................................................. 24
6.2 SERIES SH; TYPE E, G .................................................................................................. 28
6.3 SERIES MC; TYPE H, L, M, N ......................................................................................... 32
6.4 SERIES LT; TYPE P, R, S, T, V, W, Y, Z, XA, XB, XC, XD .............................................. 34
6.5 SERIES LT; TYPE XE, XF ............................................................................................... 44
7 INSTALLATION CONDITIONS, VIBRATION, SOUND ................................................................. 46
8 COUPLING REQUIREMENTS ..................................................................................................... 49
9 COUPLING HOUSING ................................................................................................................. 51
9.1 COUPLING HOUSING WITH COUPLING (standard), TYPES C, D, E, G ....................... 51
9.2 COUPLING HOUSING WITH COUPLING (USA), TYPES C, D, E, G .............................. 54
10 CONDITIONS FOR REFRIGERANT CONNECTIONS ................................................................. 55
11 CONDITIONS FOR LUBRICATING OIL CONNECTIONS ............................................................ 56
12 ELECTRIC CONNECTIONS ........................................................................................................ 59
13 STARTING CONDITIONS ............................................................................................................ 62
13.1 SH and MC series............................................................................................................ 62
13.2 LT SERIES ...................................................................................................................... 64
14 OPERATION MONITORING ........................................................................................................ 66
15 LUBRICATING OILS FOR SCREW COMPRESSORS ................................................................. 67
15.1 Lubricating oil selection list .............................................................................................. 67
15.2 HINTS FOR SELECTION OF REFRIGERATION OIL ...................................................... 77
16 SCHEMATIC DIAGRAM, CONNECTIONS .................................................................................. 81
16.1 FRAME SIZES C, D, E, G ................................................................................................ 82
16.2 FRAME SIZES H, L, M, N ................................................................................................ 88
16.3 SIZES P; R, S, T; V, W, Y ................................................................................................ 95
16.4 SIZES Z, XA XB, XC, XD; XE, XF .................................................................................. 103
GEA Refrigeration Germany GmbH _101011_pi_sc_gbr_2_.doc 5
23.03.2012