Preparation For Installation - mycom 3225**C Series Instruction Manual

3.2.4

Preparation for Installation

 Installation Space
Secure sufficient working space for easy operation, cleaning, maintenance, and inspection.
 Illumination
Prepare illumination devices which allow easy operation, cleaning, maintenance, and inspection.
 Ventilation
If natural ventilation is insufficient, install ventilation fans according to the relevant regulations.
 Piping
Suction gas inlet
Low-stage gas outlet
High-stage gas inlet
High-stage discharge gas outlet
Lubricating oil inlet for low-stage bearing (journal)
Lubricating oil inlet for High-stage bearing (journal)
Oil inlet for oil injection
Oil return inlet
Oil return outlet of low-stage
Oil return outlet of High-stage
Lubricating oil inlet for low-stage capacity control (Load)
Lubricating oil inlet for low-stage capacity control (Unload)
（Unload）
Lubrication oil inlet for high-stage capacity control (Load)
Lubrication oil inlet for high-stage capacity control (Unload)
D
20A 100
25A 125
32A 135
40A 140
150A 305
200A 350
350A 540
Figure 3-2 JIS20K Flange Dimensions of Compressor (mm)
Compound 2-stage Screw Compressor 3225**C
Table 3-1 List of Connecting Pipes (Compressor)
Item
t g
4 51
5 61
5 71
5 76
5 216
5 261
5 480
Dimensions
JIS 20K 350A (14")
JIS 20K 200A (8")
JIS 20K 200A (8")
JIS 20K 150A (6")
JIS 20K 40A (1-1/2"）
JIS 20K 25A (1"）
JIS 20K 20A (3/4"）
JIS 20K 32A (1-1/4"）
JIS 20K 32A (1-1/4"）
JIS 20K 20A (3/4"）
Rc3/8
Rc3/8
Rc3/8・Rc1/2
Rc3/8
C N-h
75 4-M12×P1.75
90 4-M16×P2
100 4-M16×P2
105 4-M16×P2
260 12-M22×P2.5
305 12-M22×P2.5
480 16-M30×P3 (Special thread)
3-4
2202MYJE-MY-C8-N_2018.02.
Chapter 3 Installation
Remarks
See Figure 3-2.
y
21
24
30
22
35
40
50
3.2 Installation Works