Accu LQ2B25 Manuals

Manuals and User Guides for Accu LQ2B25. We have 1 Accu LQ2B25 manual available for free PDF download: Installation, Operation And Maintenance Manual

Accu LQ2B25 Installation, Operation And Maintenance Manual

Accu LQ2B25 Installation, Operation And Maintenance Manual (29 pages)

Portable

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

Table of Contents

Table of Contents
2
Foreword

4
Installation

4
Start-Up

7
- Figure 1 - Recommended Overhead Piping
  7
- Table 4 - Recommended Glycol Solutions
  8
Controller Operation

10
- Power
  11
- Start
  11
- Stop
  11
- Alarm Reset
  11
- Alarm Silence
  11
- Lower Set Point Temperature
  11
- Raise Set Point Temperature
  11
- No Flow
  11
- High Refrigerant Pressure
  12
- Low Refrigerant Pressure
  12
- Freezestat
  12
- Low Oil Pressure
  12
- Over Set Point
  12
- Under Set Point
  12
- Pump on
  12
- Compressor on
  12
- Partial Load
  13
- Water Make-Up
  13
- Low Water Level
  13
- High Water Temperature
  13
- Probe Fault
  13
- Changing Temperature Display Scale
  13
- Diagnostic Error Codes
  15
Control Options

16
- Return Water Temperature Display
  16
- Remote On/Off Contacts
  16
- Remote Alarm Contacts
  16
- Alarm Horn
  16
- Remote Control Panel
  16
- SPI Communications
  16
Chiller Operation

17
- Coolant Circuit
  17
- Refrigerant Circuit
  17
- Table 7 - SPI Baud Rate Adjustment
  17
Chiller Construction

18
- Compressor
  18
- Air Cooled Condenser
  18
- (Air Cooled Units Only)
  18
- Water Cooled Condenser
  18
- (Water Cooled Units Only)
  18
- Condenser Water Regulating Valve (Water Cooled Units Only)
  19
- Condenser Remote Air-Cooled
  19
- Evaporator
  19
- Thermostatic Expansion Valve (TXV)
  19
- Refrigerant Sight Glass
  19
- Refrigerant Filter Drier
  19
- Hot Gas Bypass Valve
  19
- Reservoir
  20
- Coolant Pump
  20
- Pressure Gauge
  20
- Y-Strainer
  20
- High Refrigerant Pressure Switch
  20
- Low Refrigerant Pressure Switch
  20
- Freezestat
  20
- Coolant Pressure Switch
  21
- Automatic Water Make-Up (Optional)
  21
- Upgraded Pumps (Optional)
  21
Preventive Maintenance

21
- Once a Week
  21
- Once a Month
  21
- Every Three Months
  22
Preventive Maintenance Checklist

23
Troubleshooting

24
Charts and Drawings

26

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