mycom 320LUD - Page 46

Chapter 3 Installation
UD-series Screw Compressor 3.2 Installation Works
3-6
Table 3-3 Connecting Port of Compressor (400)
No.
Item
Size
1
Oil injection port
ANSI #300 2 1/2”
2
Lubricating oil main supply port
（
Side,
Balance piston
）
ANSI #300 2”
3
Lubricating oil main supply port
（
TPTB
）
ANSI #300 2”
4
Discharge gas outlet
ANSI #300 12”
5
Unloader control
（
Decrease
）
NPT 3/4
6
Suction gas inlet
ANSI #300 16”
7
Lubricating oil main supply port
（
Main, Seal）
ANSI #300 2”
8
Control wiring connector for indicator
2-PF 3/4
9
Unloader control
（
Increase
）
NPT 3/4
10
Oil drain port
ANSI #300 1”