User Manuals: Daikin AGZ 075D Scroll Compressor Chiller

Manuals and User Guides for Daikin AGZ 075D Scroll Compressor Chiller. We have 1 Daikin AGZ 075D Scroll Compressor Chiller manual available for free PDF download: Operating & Maintenance Manual

Daikin AGZ 075D Operating & Maintenance Manual

Daikin AGZ 075D Operating & Maintenance Manual (84 pages)

Brand: Daikin | Category: Chiller | Size: 1 MB

Table of Contents

Table of Contents

2
- Introduction
  
  3
  - Glycol Solutions
    5
  - Operating/Standby Limits
    9
- Pressure Drop Curves
  
  9
  - Minimum Allowable Flow Rates
    9
  - Pressure Drop Curves
    10
Microtech III Controller

13
- Controller Section Table of Contents
  13
- Controller Inputs and Outputs
  14
- Overview
  14
- Setpoints
  16
  - Security
    20
- Unit Functions
  
  20
  - Definitions
    20
  - Unit Control Functions
    20
  - Unit Enable
    21
  - Unit Mode Selection
    22
  - Unit States
    22
  - Power up Start Delay
    23
  - Ice Mode Start Delay
    23
  - Unit Status
    23
  - Start Delays
    23
  - Evaporator Pump Control
    24
  - LWT Target
    25
  - Unit Capacity Control
    26
  - Leaving Water Temperature (LWT) Reset/Target
    26
  - Unit Capacity Overrides
    27
- Circuit Functions
  
  29
  - Definitions
    29
  - Circuit Control Logic
    29
  - Circuit Control Functions
    29
  - Pumpdown Procedure
    31
  - Low Ambient Starts
    31
  - Circuit Status
    31
  - Compressor Control
    31
  - Condenser Fan Control
    32
  - EXV Control
    34
  - Liquid Line Solenoid Valve
    35
  - Hot Gas Bypass Solenoid Valve
    35
  - Capacity Overrides - Limits of Operation
    35
- Alarms
  
  35
  - Unit Fault Alarms
    35
  - Liquid Line Solenoid
    35
  - Hot Gas Bypass Solenoid
    35
  - Unit Problem Alarms
    37
  - Unit Warning Alarms
    38
  - Circuit Fault Alarms
    38
  - Circuit Events
    40
  - Circuit Warning Alarms
    41
- Events
  
  41
  - Unit Events
    42
  - Circuit Events
    42
  - Clearing Alarms
    43
- Using the Controller
  
  44
  - Navigating
    45
  - Menus
    47
- Optional Low Ambient Fan VFD
  
  60
  - VFD Interface (HMI)
    61
  - Lcd Display
    62
  - Recommended Periodic Inspection
    65
- Optional BAS Interface
  
  65
- Startup
  
  66
- Operation
  
  68
  - System Adjustment
    70
  - Refrigerant Charging
    71
  - Thermostatic Expansion Valve
    71
  - Crankcase Heaters
    71
- Unit Maintenance
  
  73
  - Planned Maintenance Schedule
    74
- Service
  
  75
  - Refrigerant Charging
    76
  - Evaporator
    78
- AGZ-D Troubleshooting Chart
  
  79

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