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Main Components Of Screw Chiller - LG RCWW Operation & Maintenance Manual

Water-cooled screw chiller
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3. STRUCTURE OF SCREW CHILLER
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3-2. Main components of Screw chiller

Compressor
In this machine, semi-hermetic twin screw compressor, which was developed especially for air conditioning use, is
installed. The structure of the compressor is shown in the picture below.
Item
1
Compressor casing
2
Motor casing
3
Oil separator
4
Motor rotor
5
Motor stator
6
Motor rotor washer
7
Motor rotor spacer ring
8
Oil separator baffle
9
Oil separator cartridge
10
Piston
11
Piston spring
12
Piston rod
13
Bearing seat's cover plate
14
Solenoid valve
15
Slide valve
16
Slide valve key
17
Discharge bearings
18
Discharge fixed ring
19
Disc spring
Figure 5 Screw compressor
Description
Item
20
α-Balance piston
21
Bearing lock nut
22
Male rotor
23
Suction side bearings
24
Suction side bearings spacer ring
25
Oil guide ring
26
Oil level sight glass
27
Oil filler cartridge
28
Suction filter
29
Oil heater
30
Refrigeration lubricant
31
Suction flange
32
Discharge flange
33
Cable box
34
Power connection bolt
35
Thermostat terminals
36
Motor cable cover plate
37
Discharge check valve
Description

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