比泽尔压缩机使用手册.pdf

应用手册 Applications
Manual
半封闭整体式螺杆压缩机 Semi-hermetic
Compact Screws
CSH65 .. CSH95 CSH65 .. CSH95
SH-170-
SH-170- 1
目录页码 Contents Page

3 1 The special highlights 3
5 2 Design and functions 5
设计特点 5 Design features 5
process V-control 8
压缩过程Vi控制 8 i
能调控制和卸载启动 9 Capacity control and start unloading 9
液压控制 11 Hydraulic control 11
压缩机启动 11 Starting pressor 11
无级能量调节 11 infi nite capacity control 11
4级能量调节 15 4-step capacity control 15
油循环 15 Oil circulation 15
17 3 Lubricants 17
18 4 Integration into the refrigeration circuit 18
压缩机的安装 18 Mounting pressor 18
系统布置 19 System layout 19
压缩机和机组的安全运行 23 Safe operation pressor and plant 23
26 5 Additional cooling by means of direct liq- 26
uid injection (LI)
LI喷嘴喷液冷却 26 LI withintegral LI nozzle 26
喷液阀喷液冷却 29 LI valve 29
32 6 Additional cooling by means of external 32
oil cooler
(ECO) 37 7 Economiser operation (ECO) 37
概述 37 General 37
工作原理 37 Operation principle 37
带过冷循环的ECO运行 38 ECO operation with subcooling circuit 38
带中间压力储液器的ECO 39 ECO operation with intermediate pressure 39
运行 receiver
ECO回气管路消声音器 39 Pulsation muffl er in ECO suction line 39
管路布置 40 Pipe layout 40
附件 41 ponents 41
控制 42 Control 42
带喷液冷却的ECO运行 42 ECO operation with liquid injection 42
44 8 Electrical connection 44
电机设计 44 Motor design 44
压缩机保护装置 46 . protection device 46
电器盒 49 Terminal box 49
电气元件选择 52 Selection of ponents 52
接线示意图 55 Schematic wiring diagrams 55
63 9 Program survey 63
64 10 Technical data 64
66 11 Application limits 66
68 12 Performance data/Software 68
选择压缩机 69 Select pressor 69
12.