Danfoss AK-PC 772A Pack Controller Manuals

Danfoss AK-PC 772A Pack Controller Manuals

Manuals and User Guides for Danfoss AK-PC 772A Pack Controller. We have 1 Danfoss AK-PC 772A Pack Controller manual available for free PDF download: User Manual

Danfoss AK-PC 772A User Manual

Danfoss AK-PC 772A User Manual (118 pages)

Capacity controller for ADAP-KOOL small CO2 refrigeration system

Brand: Danfoss | Category: Controller | Size: 8 MB

Table of Contents

Table of Contents
2
1 Introduction

3
- Application
  3
- Principles
  4
2 Design of a Controller

7
- Module Survey
  8
- Common Data for Modules
  10
- Preface to Design
  30
  - Functions
    30
  - Connections
    31
  - Limitations
    31
- Design of a Compressor and Condenser Control
  32
  - Procedure
    32
  - Sketch
    32
  - Compressor and Condenser Functions
    32
  - Connections
    33
  - Planning Table
    35
  - Length
    36
  - Linking of Modules
    36
  - Determine the Connection Points
    37
  - Connection Diagram
    38
  - Supply Voltage
    40
- Ordering
  41
3 Mounting and Wiring

43
- Mounting
  44
  - Mounting of Analog Output Module
    44
  - Mounting of Extension Module on the Basic Module
    45
- Wiring
  46
4 Configuration and Operation

49
- Configuration
  50
  - Connect PC
    50
  - Authorization
    52
  - Unlock the Configuration of the Controllers
    53
  - System Setup
    54
  - Set Plant Type
    55
  - Set Control of MT Compressors
    56
  - Set Control of LT Compressors
    60
  - Setup Control of Condenser Fans
    61
  - Setup Control of High Pressure
    63
- Setup Control of Receiver Pressure
  64
- Setup Control of Heat Recovery
  65
- Setup Display
  66
- Setup Functions for General Purpose
  67
  - Separate Thermostat
    68
  - Separate Pressostat
    68
  - Separate Voltage Signal
    69
  - Separate Alarm Inputs
    69
  - Separate PI Function
    70
- Configuration of Inputs and Outputs
  71
- Set Alarm Priorities
  73
- Lock Configuration
  75
- Check Configuration
  76
- Check of Connections
  78
- Check of Settings
  80
- Schedule Function
  82
- Installation in Network
  83
- First Start of Control
  84
  - Start the Control
    85
  - Manual Capacity Control
    86
5 Regulating Functions

87
- Suction Groups
  88
  - Controlling Sensor
    88
  - Reference
    88
  - Capacity Control of Compressors
    89
    
    Capacity Distribution Methods
    90
    
    Power Pack Types - Compressor Combinations
    91
    
    Compressor Timers
    95
    
    Compressor with Variable Capacity
    96
    
    Load Shedding
    97
    
    Injection on
    97
    
    Liquid Injection in Common Suction Line
    98
  - Safety Functions
    98
- Condenser / Gas Cooler
  100
  - Capacity Control of Condenser
    100
  - Reference for Condensing Pressure
    100
  - Heat Recovery
    102
  - Capacity Distribution
    104
  - EC Motor
    104
    
    Step Regulation
    104
    
    Speed Regulation
    104
    
    Condenser Couplings
    105
    
    Safety Functions for Condenser
    105
  - Circuits for Control of CO2 Gas Pressure
    106
    
    Receiver Control
    107
    
    Parallel Compression
    108
- General Monitoring Functions
  109
- Miscellaneous
  111
Appendix - Alarm Texts

116

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