Hanbell LT-S Series, Technical Manual

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LT-S-(L) Technical manual
Contents
1. Overview
.......................................................................................................................... 3
2. Product Specification
...................................................................................................... 4
2.1 Nomenclature
........................................................................................................... 4
2.2 Product Line
............................................................................................................ 4
2.3 Compressor specification table
.............................................................................. 4
2.4 Operating range graph
........................................................................................... 6
3. Construction & Functions
.............................................................................................. 8
3.1 Design Features
....................................................................................................... 8
3.2 Capacity modulation system
.................................................................................. 8
3.2.1 Step type capacity modulation system
......................................................... 10
3.2.2 Stepless type capacity modulation system
................................................... 14
3.2.3 The Location of the Solenoid Valves
............................................................ 19
4. Lubricant
....................................................................................................................... 21
4.1 Lubricant Specification
........................................................................................ 21
4.2 The Replacement of Lubricant
............................................................................ 22
4.3.1 Oil Change Schedule
..................................................................................... 22
4.3.2 Pre-cautions for changing oil
........................................................................ 22
5. System Application
........................................................................................................ 24
5.1 Piping Design
......................................................................................................... 24
5.1.1 Suction and Discharge Piping Layout
......................................................... 24
5.1.2 Economizer Piping Layout
........................................................................... 26
5.1.3 Minimum pressure valve
.............................................................................. 26
5.1.4 Liquid Line Filter Dryer
............................................................................... 27
5.1.5 Sight Glass with Moisture Indicator
............................................................ 27
5.2 Oil Line
................................................................................................................... 28
5.2.1 Oil Supply
...................................................................................................... 28
5.2.2 Lubrication and Capacity Control Modulation
.......................................... 28
5.2.3 Compressor chamber injection system
........................................................ 28
5.2.4 Protection in Oil Circuit
............................................................................... 29
1
）
Oil temperature
....................................................................................................... 29
2
）
Oil filter
.................................................................................................................... 30
3
）
Oil pressure differential
.......................................................................................... 31
4
）
Oil level protection
.................................................................................................. 31
5.2.5 Oil cooling system
.......................................................................................... 31
1
）
Air cooling type
....................................................................................................... 33
2
）
Water cooling type
......................................................................................... 33
3
）
Refrigerant oil cooling
.................................................................................. 34
5.3 Motor Liquid Injection Cooling
........................................................................... 34
5.4 Economizer System
............................................................................................... 35
5.4.1 Economizer System with Sub Cooler
........................................................... 35
5.4.2 Economizer System with Flash Type Subcooler
......................................... 36