比泽尔压缩机使用手册.doc

比泽尔压缩机使用手册.docG-R-O-U-P O-F C-O-M-P-A-N-l-E-S
应用手册
半封闭整体式螺杆压缩机
CSH65 .. CSH95
Applications Manual
Semi-hermetic
Compact Screws
CSH65 .. CSH95
a虫
SH-170-3-CN
目录
页码
Contents
Page
「特色
3
1 The special highlights
3
2 一设计和功能
5
2 Design and functions
5
2-1设计特点
5
Design features
5
,控制
8
Compression process V-control
8

9
Capacity control and start unloading
9
2 4液压控制
11
Hydraulic control
11

11
Starting the compressor
11

11
infinite capacity control
11
4级能量调节
15
4-step capacity control
15

15
Oil circulation
15
3 一润滑油
17
3 Lubricants
17
4制冷回路中的安装
18
4 Integration into the refrigeration circuit
18

18
Mounting the compressor
18

19
System layout
19
4 3压缩机和机组的安全运行
23
Safe operation of compressor and plant
23
5 一直接喷液附加冷却
26
5 Additional cooling by means of direct liq・ uid injection (LI)
26
LI喷嘴喷液冷却
26
LI withintegral LI nozzle
26

29
LI valve
29
6 一外置油冷附加冷却
32
6 Additional cooling by means of external oil cooler
32
7一经济器运行(ECO)
37
7 Economiser operation (ECO)
37

37
General
37
7 2工作原理
37
Operation principle
37

38
ECO operation with subcoohng circuit
38
运行
39
ECO operation with intermediate pressure receiver
39
ECO回气管路消声音器
39
Pulsation muffler in ECO suction line
39

40
Pipe layout
40
77附件
41
Additional componer^s
41

42
Control
42

42
ECO operation with liquid injection
42
8•电气连接
44
8 Electrical connection
44
81电机设计
44
Motor design
44
8-2压缩机保护装萱
46
Compr. protection device
46

49
Terminal box
49
84电气元件选择
52
Selection of electrical components
52
8-5接线示意图
55
Sc