Daikin EWWD320 Manuals

Manuals and User Guides for Daikin EWWD320. We have 1 Daikin EWWD320 manual available for free PDF download: Installation, Operation And Maintenance Manual

Daikin EWWD320 Installation, Operation And Maintenance Manual

Daikin EWWD320 Installation, Operation And Maintenance Manual (52 pages)

Frictionless Centrifugal Chiller

Brand: Daikin | Category: Chiller | Size: 2.11 MB

Table of Contents

Table of Contents
4
General Information

6
- Purpose of this Manual
  6
- General Description
  6
- Receiving the Machine
  6
- Checks
  6
Technical Specifications

8
Operating Limits

9
- Storage
  9
- Operation
  9
- Figure 1 - Operating Limits
  10
Mechanical Installation

11
- Shipping
  11
- Responsibility
  11
- Safety
  11
- Moving and Lifting
  11
- Positioning and Assembly
  12
- Minimum Space Requirements
  12
- Figure 2 - Lifting the Unit
  12
- Ventilation
  13
- Sound Protection
  13
- Vessel Drains at Start-Up
  13
- Connections
  13
- Water Piping
  13
- Water Treatment
  14
- Evaporator Exchangers Anti-Freeze Protection
  14
- Table 1 - Acceptable Water Quality Limits
  14
- Figure 3 - Water Piping Connection for Evaporator and Condenser
  14
- Loss of Flow Protection
  15
- Cooling Towers
  15
- Figure 4 - Evaporator Pressure Drop
  16
- Figure 5 - Condenser Pressure Drop
  18
- Refrigerating Circuit Safety Valves
  20
Electrical Installation

21
- General Specifications
  21
- Table 2 - Electrical Data
  21
- Electrical Components
  22
- Power Wiring
  22
- Table 3 -Pwer Wiring Recommended Fuses and Cables
  22
- Figure 6 - Field Wiring Diagram
  23
- Field Wiring Diagram Notes
  24
- Control Wiring
  24
- VFD Line Harmonics
  24
- Current Harmonics
  24
- Voltage Harmonics
  24
- Line Reactors
  24
- Harmonic Filter
  25
- EMI (Electro Magnetic Interference) and RFI (Radio Frequency Interference) Filter
  25
- Emi
  25
- Rfi
  25
- System Pumps
  25
- Multiple Chiller Setup
  25
- Communication Setup
  25
- Table 4 - Electrical Data
  26
- Figure 7 - Field Wiring Diagram
  26
- Microtech II Operator Interface Touch Screen (OITS) Settings
  27
- Operating Sequence
  27
Operation

28
- Operator's Responsibilities
  28
- Compressor Operation
  28
- System Water Volume
  28
- Variable Speed Pumping
  28
- Microtech II Control
  28
- Use with On-Site Generators
  29
- Unit Description
  29
- Figure 8 - Unit Main Componets
  29
- Description of the Refrigeration Cycle
  30
- Figure 9 - Refrigeration Cycle
  31
- Compressor
  33
- Figure 10 - Turbocor Compressor
  33
- Figure 11 - Turbocor Shaft and Magnetic Bearing
  33
- Figure 12 - Compressor Overview
  34
Pre-Startup Checks

35
- General
  35
- Electrical Power Supply
  36
- Unbalance in Power Supply Voltage
  36
- Prestart System Checklist
  37
Operation

38
- Capacity Control System
  38
- Surge and Stall
  38
- Normal Unit Startup/Shutdown
  38
  - Shutdown
    38
  - Startup
    38
    
    Start/Stop Switching
    38
- Annual Unit Startup/Shutdown
  39
  - Annual Shutdown
    39
  - Annual Startup
    39
  - Operating Parameters
    39
  - Table 5 - Typical Working Conditions with Unit at 100
    39
System Maintenance

41
Standard Checks

45
- Temperature and Pressure Sensors
  45
Test Sheet

46
Service and Limited Warranty

47
Periodic Obligatory Checks and Starting up of Appliances under Pressure

47
Important Information Regarding the Refrigerant Used

47

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