Liebert MR1 User Manual
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PRODUCT
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S I T E M O N I T O R I N G
MR1
Mini-Remote
Environmental Monitor
USER MANUAL
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TABLE OF CONTENTS
Section 1: INTRODUCTION.......................................................................................... 1
Specifications ................................................................................................................................................ 1
Section 2: INSTALLATION ........................................................................................... 3
Mounting........................................................................................................................................................ 3
Electrical Connections................................................................................................................................... 5
Section 3: HARDWARE CONFIGURATION................................................................. 7
DIP Switch Settings....................................................................................................................................... 7
Section 4: OPERATION................................................................................................ 9
LCD and Keypad ........................................................................................................................................... 9
Setpoint Control........................................................................................................................................... 10
TABLE OF FIGURES
Figure 1. Typical System Configuration ........................................................................................................ii
Figure 2a. Flush-Mount Installation .............................................................................................................. 4
Figure 2b. Display Panel Mounted Remotely from Electrical Box ................................................................ 6
Figure 3. Electrical Connections, Electric Box and Display.......................................................................... 8
Figure 4. LCD Display .................................................................................................................................. 9
Figure 5. Display Panel .............................................................................................................................. 10
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Figure 1. Typical System Configuration
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Section 1: INTRODUCTION
The Liebert MR1 Mini-Remote monitors the operating status
and controls the operation of your Liebert Environmental unit.
It serves as a remote user interface, supplementing the unit-front
controls.
The MR1 is compatible with all Liebert microprocessorcontrolled Environmental units, including:
An LCD display provides temperature, humidity, status and
alarm information. The MR1 provides both visual and audible
annunciation of alarms from the Environmental unit. Unmarked
“hidden” buttons allow the MR1 user to access setpoints and
settings.
• Deluxe System 3 and Challenger units with
• Advanced Microprocessor with Graphics
• Advanced Microprocessor
• Standard Microprocessor
• Level 10
• Level 00
• Mini-Mate2 ceiling-mounted units
• Mini-Mate, Mini-Mate Plus and Data-Mate units with
Small Systems Controllers.
Specifications
Electrical Specifications:
Voltage: 24 VAC, +/-10% of nominal
Power: 7.5 VA
Phase: 1
Frequency: 50/60 Hz
Environmental Conditions:
Operating Temperature: 5°C to 40°C
Operating Relative Humidity: 0% to 95% (non-condensing)
Operating Altitude: up to 2000 meters
Dimensions:
Display Panel: 3 1/2”H x 5”W x 1 1/8”D 0.5 lbs
89mm x 127mm x 29mm 0.23 kg
Electrical Box: 4 3/4” H x 4 3/4”W x 2 3/4”D 2
121mm x 121mm x 70mm 0.91 kg
Liebert MR1 • 1
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