Liebert 8 Tons Manuals

Liebert 8 Tons Manuals

Manuals and User Guides for Liebert 8 Tons. We have 1 Liebert 8 Tons manual available for free PDF download: User Manual

Liebert 8 Tons User Manual

Liebert 8 Tons User Manual (72 pages)

8 Tons, 50 & 60Hz

Brand: Liebert | Category: Humidifier | Size: 4 MB

Table of Contents

Table of Contents
3
Model Number Nomenclature

7
1 Product Features

9
- Standard Product Features
  9
- Optional Equipment
  10
  - Canister Humidifier
    10
  - Electric Reheat
    10
  - SCR Electric Reheat
    10
  - Hot Gas Bypass (Condensing Units)
    10
  - Free-Cooling Coil (GLYCOOL)
    10
  - Smoke Detector
    10
  - Firestat
    10
  - Filter Clog
    10
- Ancillary (Ship Loose Accessories)
  11
2 Site Preparation and Installation

12
3 Microprocessor Control

42
- Feature Overview
  42
- Figure 23 Wall Box
  42
- Main Menu <Menu
  43
- Setpoints
  44
- Status
  44
- Active Alarms
  44
- Alarm History
  44
- Table 10 Default Setpoints and Allowable Ranges
  44
- Time
  45
- Date
  45
- Setback
  45
- Setup Operation
  45
- Change Passwords
  47
- Calibrate Sensors
  47
- Alarm Enable
  47
- Table 12 Setup Functions, Default Values and Allowable Ranges
  47
- Alarm Time Delay
  48
- Common Alarm Enable
  48
- Custom Alarms
  48
- Table 13 Alarm Default Time Delays
  48
- Table 15 Switch Settings (Wallbox Board)
  49
- Custom Text
  49
- Table 14 Equipment Switch Settings (Unit Control Board)
  49
- Nonvolatile Memory
  49
- Run Diagnostics
  50
  - Test Outputs
    50
  - Test Inputs
    50
- Figure 24 Control Menu
  51
- Figure 25 Control Board (Inside Evaporator)
  52
- Figure 26 Wall Box Board
  52
4 System Performance Microprocessor Controls

53
5 Alarms

55
- Alarms: Definitions and Troubleshooting
  55
  - Custom Alarms
    55
  - High Head Pressure
    55
  - Humidity
    56
  - Temperature
    56
  - Humidifier Problem Alarm
    56
  - High-Water Alarm
    56
  - Loss of Power
    56
  - Short Cycle
    56
- Optional/Custom Alarms
  57
  - Change Filter
    57
  - Firestat
    57
  - Smoke Detector
    57
6 System Operation , Testing , and Maintenance

58
- System Testing
  58
  - Environmental Control Functions
    58
  - Cooling
    58
  - Heating
    58
  - Humidification
    58
  - Dehumidification
    58
  - Remote Shutdown
    58
- Maintenance and Component Operation
  59
  - Electric Panel
    59
  - Filters
    59
  - Blower System
    59
  - Air Distribution
    59
  - Electric Reheat
    60
  - Refrigeration System
    60
  - Suction Pressure
    60
    
    Air-Cooled Condensing Units
    60
    
    Table 16 Typical Discharge Pressures
    60
    
    Glycol Solution Maintenance
    61
    
    Replacement Procedures
    62
  - Steam Generating Humidifier - Operation Procedures
    63
  - Circuit Board Adjustments
    64
  - Table 17 Humidifier Control Board DIP Switch Settings
    64
7 Maintenance Inspection Checklist

65
8 Troubleshooting

66
- Table 18 Troubleshooting
  66

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