Operation with Advanced Microprocessor Controls

2.4.4Run Hours Log

The total operating hours of all major components in the unit can be monitored from the display and are retained in nonvolatile memory. Run times are available for the following:

Compressor

GLYCOOL Coil (or CW Coil as used on Dual Cooling Unit)

Fan

(HUM) humidifier

(RH1) reheat 1 (or Hot Water or SCR Reheat)

(RH2) reheat 2

The component run hours for each individual component can be reset by selecting the run hours dis- play screen for the desired component, then pressing ENTER within 5 minutes of applying power to the control. The user will then be prompted to press ENTER to clear the selected component's run hours.

NOTE

Run hours for a component should be reset ONLY when the component has been replaced.

2.4.5Analog Sensors

The four (4) analog sensor inputs can be monitored from the display. The inputs are filtered, then dis- played along with the text label assigned during setup. See Analog Setup on page 11.

2.5Setpoints/Setup

Selecting Setpoints/Setup from the Main Menu will display the following selections:

View setpoints

Setup system

Run diagnostics

Change passwords

NOTE

Setpoints and system setup parameters are kept in nonvolatile memory.

2.5.1View Setpoints

Control and alarm setpoints can be reviewed and/or changed through the display. The following table lists the default setpoints and their allowable ranges.

Table 1 Default setpoints and ranges

Setpoint

Default

Range

 

 

 

Temperature Setpoint

72°F

40 to 90°F (5 to 32°C)

 

 

 

Temperature Sensitivity

2.0°F

1 to 9.9°F (0.6 to 5.6°C)

 

 

 

Humidity Setpoint

50%

20 to 80% RH

 

 

 

Humidity Sensitivity

5%

1 to 30% RH

 

 

 

High Temperature Alarm

80°F

35 to 95°F (2 to 35°C)

 

 

 

Low Temperature Alarm

65°F

35 to 95°F (2 to 35°C)

 

 

 

High Humidity Alarm

60%

15 to 85% RH

 

 

 

Low Humidity Alarm

40%

15 to 85% RH

 

 

 

6

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Liebert 3000 manual Setpoints/Setup, Run Hours Log, Analog Sensors, View Setpoints, Default setpoints and ranges

3000 specifications

The Liebert 3000 is a cutting-edge power protection solution designed to provide reliable and efficient backup power for critical applications. This uninterruptible power supply (UPS) system is engineered to safeguard sensitive electronic equipment from power disturbances, ensuring uninterrupted operations in data centers, telecommunications, and industrial environments.

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The Liebert 3000 employs advanced technologies to enhance its functionality. It incorporates online double-conversion technology, which provides a continuous supply of clean and regulated power. This technology ensures that connected loads receive stable voltage and frequency, shielding them from voltage spikes, sags, and outages. Additionally, the UPS offers features such as automatic battery testing, which helps ensure peak battery performance and reliability.

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The system is equipped with comprehensive monitoring and management capabilities. The Liebert 3000 provides real-time data on power usage, battery status, and system performance, enabling facility managers to make informed decisions and proactively address potential issues. The integration of remote management tools allows for seamless monitoring from anywhere, providing peace of mind for operators.

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