2202L5JE-DA-C5-N_2015.05.
3 Installation
Compound 2stage Screw Compressor
3.2 Installation Works
1612LSC Speed Increaser Type
3-4
3.2.4 Preparation for Installation
Installation
Space
Prepare sufficient working space for easy operation, cleaning, maintenance, and inspection.
Illumination
Prepare lighting for easy operation, cleaning, maintenance, and inspection.
Ventilation
If natural ventilation is insufficient, install ventilation fans according to the regulations.
Piping
Table 3-1 Connected Piping List (Compressor)
Item
Dimensions
Remarks
Suction gas inlet
MYCOM 125A (5
″
)
See figure 3-2.
Low-stage gas outlet
MYCOM 80A (3
″
)
See figure 3-2.
High-stage gas inlet
MYCOM 80A (3
″
)
See figure 3-2.
High-stage discharge gas outlet
MYCOM
65A (2½
″
)
See figure 3-2.
Low-stage bearing (journal) oil inlet
Rc1/2
Low-stage capacity control oil inlet (increase side)
Rc1/4
Low-stage capacity control oil inlet (decrease side)
Rc3/8
Oil injection inlet
Rc3/8
Mechanical seal and speed increaser gear oil inlet
Rc1/4
High-stage bearing (journal) oil inlet
Rc3/8
D
t
g
C
N-h
y
65A
□144
4.5
101
144
4-M16
× P2
24
80A
□154
4.5
119
158
4-M20
× P2.5
25
125A
270
5
174
230
8-M20
× P2.5
27
Figure 3-2 MYCOM Flange Dimensions
* In external dimensions figures 2-1 in “2.2.2 Outer
Dimensions” in chapter 2 of this manual, these
MYCOM flange dimensions are noted as MYK**A.