Danfoss VTT880 Manuals

Manuals and User Guides for Danfoss VTT880. We have 1 Danfoss VTT880 manual available for free PDF download: Applications And Installation Manual

Danfoss VTT880 Applications And Installation Manual

Danfoss VTT880 Applications And Installation Manual (74 pages)

Variable Twin Turbo Centrifugal Compressors

Brand: Danfoss | Category: Air Compressor | Size: 11 MB

Table of Contents

Table of Contents
3
Contents

7
Introduction

7
- Organization of this Manual
  7
- Document Symbols
  8
- Definitions
  9
Overview of the VTT Compressor

11
- VTT Product Nomenclature
  11
- Features of the VTT Compressor
  13
- Configurations of the VTT Compressor Models
  13
- Compressor Module
  13
  - Capacity Control Using Intraflow
    14
  - Economizer Option
    14
  - Motor Cable Type
    14
  - Magnetic Bearings
    14
- DC-DC Converter
  15
- Drive Module
  16
Environment and Application Boundaries

30
Refrigerant Piping Design

33
- Refrigerant Piping Connections
  33
- Motor Cooling Connections
  33
  - Motor Cooling Port Specifications
    34
  - Economizer Port Types
    34
- Drive Module Piping
  35
  - Refrigerant Cooling
    36
  - Cold Plate Tube
    36
- Piping Design Guidelines
  36
- Refrigeration Schematics
  38
Options and Accessories

41
- Drive Module Cooling
  41
- Ancillary Devices
  41
Physical Data of the VTT Compressor

42
- Compressor Module
  42
- Drive Module
  46
DC-DC Converter Dimensions

50
Installations Guidelines

51
- Safety Summary
  51
- Unpacking and Inspection
  51
- Required Tools
  52
Compressor Module Installation

53
- Rigging Requirements
  53
- Clearance
  54
- Compressor Installation Instructions
  54
Drive Module Installation

56
- Safety
  56
- Planning the Installation
  56
- Pre-Installation Checks
  56
- Cooling Fans
  56
- Airflow
  57
- Lifting
  57
Controls Installation

58
Electrical Power Wiring

69

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