Daikin AWV030 Air-cooled Screw Chiller Manuals

Manuals and User Guides for Daikin AWV030 Air-cooled Screw Chiller. We have 2 Daikin AWV030 Air-cooled Screw Chiller manuals available for free PDF download: Installation Operation & Maintenance, Installation, Operation And Maintenance Manual

Daikin AWV030 Installation, Operation And Maintenance Manual (93 pages)

Air-cooled Screw Chillers 100 to 565 Tons (350 to 1985 kW) HFC-134a Refrigerant 60/50 Hz

Brand: Daikin | Category: Chiller | Size: 7 MB

Table of Contents
2
Pre-Start Checklist – Screw Chillers
3
Introduction
5
- General Description
  6
- Nomenclature
  6
- Operating Limits for AWV Chillers
  6
- Nameplates
  7
- Receiving and Handling
  7
- Unit Placement
  7
- AWV Unit Rigging
  7
Installation and Application Considerations
7
Dimensions - Remote Evaporators
32
Pressure Drop Data
39
- Operator Responsibilities
  42
- Operator Schools
  42
- Software Version
  42
- Controller Features
  42
Controller Operation
42
- System Architecture
  43
- Modbus Communication - Unit
  43
- Microtech III Inputs/Outputs
  44
- Economizer EXV Module
  45
- Alarm/Limit Module
  45
- Compressor Vfds
  45
- Rapidrestore Module
  45
- Set Points
  46
- Unit Level Set Points
  46
- Set Point Default and Range
  46
- Dynamic Set Point Ranges
  48
- Unit Test Mode Set Points
  48
- Administration and Service Support
  48
- Cool LWT Set Point Ranges
  48
- Fan VFD Configuration
  49
- Fan Staging Deadbands
  49
- Circuit Level Set Points
  49
- Circuit Test Mode Set Points
  50
- Calculations
  51
- Evaporator
  51
- Unit Enable
  51
Unit Functions
51
- Unit Control States
  52
- Unit Status
  52
- Unit Status Conditions
  52
- Ice Mode Start Delay
  53
- Low Ambient Lockout
  53
- Lockout and Stop Operation
  53
- Lockout Only Operation
  53
- Leaving Water Temp (LWT) Reset
  54
- Pump Selection
  54
- Primary/Standby Pump Staging
  54
- Freeze Protection
  54
- Unit Capacity Control
  55
- Maximum Circuits Running
  55
- Cool Mode Operation
  55
- Staging Sequence
  55
- Unit Capacity Limits
  56
- Demand Limit
  56
- Network Limit
  56
- Load Balancing
  56
- Operation Following Cycling of Power
  57
- Unit Level Changes
  57
- Circuit Level Changes
  57
- Feedback Capacity
  58
- Approach Values
  58
- Superheat Values
  58
Circuit Functions
58
- Circuit Availability
  59
- Circuit States
  59
- Oil Sump Check
  59
- Circuit Status
  60
- Compressor Control
  60
- Run Command Output
  60
- Cycle Timers
  60
- Condenser Fan Control
  61
- VR Solenoid Valve Control
  61
- Physical Fan Layout
  61
- Manual Speed Control
  61
- Saturated Condenser Temp Target
  62
- Minimum Target Value
  62
- Condenser Fan Control State
  62
- Fan Control – no VFD or 1St Fan VFD
  62
- Fan Outputs Per Fan Stage
  63
- Staging Concept
  63
- Staging up
  63
- Digital Outputs Energized for each Stage
  63
- VFD on 1St Fan of each Circuit
  64
- Fan Control - All Fans with VFD
  64
- Normal Control
  64
- Stage up Compensation
  64
- Evaporator EXV Control
  65
- Closed State
  65
- Preopen Operation
  65
- Pressure Control State
  65
- Operation – Closed State
  66
- Superheat Control State
  66
- Economizer EXV Control
  66
- MOP Control State
  66
- Liquid Line Solenoid Valve
  67
- High Water Temperature Capacity Limit
  67
- Circuit Capacity Overrides
  67
- Alarm Logging
  68
- Signaling Alarms
  68
- Clearing Alarms/Faults
  68
- Description of Alarms
  68
Alarms and Events
68
- Evaporator Water Temperatures Inverted
  69
- Evaporator LWT Sensor Fault
  69
- Evaporator Water Freeze Protect
  69
- Evaporator Flow Loss
  69
- OAT Sensor Fault
  70
- External Alarm
  70
- Emergency Stop
  70
- Evaporator EWT Sensor Fault
  70
- Circuit Alarms
  71
- Evaporator Pump #1 Failure
  71
- Economizer EXV Module Comm Failure
  71
- Bad Demand Limit Input
  71
- High Condenser Pressure
  72
- Low Pressure Difference or Ratio
  72
- Mechanical Low Pressure Switch
  72
- Mechanical High Pressure Switch
  72
- High Motor Temperature
  73
- Compressor Multiple Start Failure
  73
- High Oil Pressure Difference
  73
- High Discharge Temperature
  73
- Low Discharge Superheat
  74
- High Motor Current
  74
- High Compressor VFD Current
  74
- Compressor VFD Temperature High
  74
- CC Module Comm Failure
  75
- EEXV Module Comm Failure
  75
- Evaporator Pressure Sensor Fault
  75
- Condenser Pressure Sensor Fault
  75
- Discharge Temperature Sensor Fault
  76
- Evaporator EXV Motor Error
  76
- Power Loss While Running
  76
- Failed Pumpdown
  76
- Low Evaporator Pressure - Unload
  77
- Low Evaporator Pressure - Hold
  77
- DC Fan Motor Fault
  77
- Events
  77
- Low Pressure Difference or Ratio Shutdown
  78
- High Motor Current – Hold
  78
- High Motor Current - Unload
  78
- High VFD Line Current Hold
  78
- High VFD Temperature Hold
  79
- High VFD Temperature Unload
  79
- Compressor Start Failure
  79
- Unit Controller Operation
  80
- Navigating
  80
- Passwords
  80
- Typical Screen
  80
Using the Controller
80
- Example of Screen Menu
  81
- Navigation Mode
  81
- Edit Mode
  81
- HMI Keypad Navigation
  82
- Pre-Startup
  83
- Temporary Shutdown
  83
- Startup after Temporary Shutdown
  83
Startup and Shutdown
83
System Maintenance
85
- Oil Filter Housing Cover Plate
  86
- Fitting a New Oil Filter Element – Reassembly
  86
- All-Aluminum Condenser Coils
  86
- Electrical Terminals
  86
- Cleaning Microchannel Aluminum Coils
  87
- Remove Surface Loaded Fibers
  87
- Cleaning Epoxy Coated Coils
  87
- Routine Quarterly Cleaning of Epoxy Coil
  87
- Liquid Line Sight Glass
  88
- Lead-Lag
  88
- Pump Operation
  88
- Harsh Chemical and Acid Cleaners
  88
- Preventative Maintenance Schedule
  89
- Definitions
  90
- Active Set Point
  90
- Active Capacity Limit
  90
- Deadband
  90
Appendix
90

Daikin AWV030 Installation Operation & Maintenance (108 pages)

AIR-COOLED SCREW CHILLERS

Brand: Daikin | Category: Chiller | Size: 18 MB

Table of Contents
2
Safety Information
3
Hazard Identification
3
Safety Considerations
3
Introduction
4
General Description
4
Nomenclature
4
Operating Limits
4
Installation
5
Nameplates
5
Lifting Guidance
5
Lifting Equipment
6
Lifting Points
6
Transit
6
Storage
6
Long Term Storage
7
Unit Placement
7
Mounting Hole Access
7
Service Access
7
Clearance Requirements
8
Case 3: Three or more Units, Side-By-Side
9
Case 2: Two Units Side-By-Side
9
Case 4: Open Screening Walls
11
Case 5: Pit/Solid Wall Installation
11
Chilled Water Piping
12
Inlet Strainer Guidelines
12
System Water Volume
13
Flow Switch
14
Evaporator Freeze Protection
14
Chilled Water Pump
15
Variable Speed Pumping
15
Ice Mode
15
Glycol Solutions
15
Performance Adjustment Factors
16
Integrated Waterside Economizer
16
Electrical Data
20
Use with On-Site Generators
20
Generator Sizing
20
Pump Packages
31
Standard Components
32
Pump Operating Control
32
Constant Flow
32
Pressure Drop Data
34
Dimensional Drawings
35
Isolator Information
36
Operation
37
General Description
37
Operator Responsibilities
37
System Architecture
38
Modbus Communication - Unit
39
Microtech Inputs/Outputs
39
Sensor Information
42
Set Points
43
Save and Restore Settings
48
Restoring Default Values
48
Unit Functions
49
Unit Enable
49
Unit Mode Selection
49
Unit Status
51
Ice Mode Start Delay
51
Low Ambient Lockout
51
Evaporator Pump Control
52
Freeze Protection
53
Pump Selection
53
Primary/Standby Pump Staging
53
Auto Control
53
Unit Capacity Control
54
Unit Capacity Limits
55
Demand Limit
55
Network Limit
56
Rapidrestore Option
56
Waterside Economizer
57
Circuit Functions
58
High Saturated Condenser - Hold Value
59
High Saturated Condenser - Unload Value
59
Circuit States
60
Circuit Status
61
Manual Speed Control
62
Condenser Fan Control
63
Staging down
65
Fan Control - All Fans with VFD
66
Normal Control
66
Evaporator EXV Control
67
Economizer EXV Control
68
Control Concept
68
Economizer EXV States
68
Economizer Solenoid Valve Control
69
Liquid Line Solenoid Valve
70
Circuit Capacity Overrides
70
High Water Temperature Capacity Limit
70
Alarms and Events
71
Alarm Logging
71
Unit Alarms
72
Evaporator Water Freeze Protect
73
External Alarm
73
Emergency Stop
74
Low Evaporator Pressure
76
High Condenser Pressure
77
High Discharge Temperature
77
Unit Controller Operation
85
Changing Parameter Values
85
Menu Details
85
Startup and Shutdown
87
Pre-Start-Up
87
Temporary Shutdown
87
Startup after Temporary Shutdown
88
Flow Switch Installation and Calibration
88
Maintenance
93
General
93
Disassembly Procedure
94
Electrical Terminals
94
All-Aluminum Condenser Coils
95
Liquid Line Sight Glass
96
Pump Operation
96
Appendix
98
Warranty Start-Up Form
98
Section 1 - Sensorless Startup Procedure
105
Section 2- External Sensor Startup Procedure
106
Section 3 - External Controller (Bas) Startup Procedure
106
Limited Product Warranty
107

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