Liebert MR1 User's Manual
Contents
1. SSC Small System TB2 1 T Controller TB2 2 T NOTE New Feature The inputs are now contact closure 24VAC powered inputs are no longer necessary NOTE Exercise caution if installing new MR1 as replacement unit remove power from signal inputs or damage to unit may occur Table 1 Connection Summary The MRI provides a Common Alarm Output at TB2 9 and TB2 10 This dry contact is rated for 5A at 24VDC or 120VAC There are four optional Customer Alarm inputs that may be used on the MRI see Hardware Configuration The inputs are triggered by contact closures and the contacts are rated for 5A at 24VDC or 120VAC as well The connection points and display mapping are as follows Local Alarm 1 TB2 3 amp 2 4 Local Alarm 2 TB2 1 amp TB22 High Water Alarm TB2 5 amp 2 6 High Head Alarm TB2 7 8 TB2 8 9 Liebert MR1 5 DISCONTINUED PRODUCT 6 User Manual ELECTRICAL BOX OPTIONAL EXTERNAL TRANSFORMER INTERFACE ELECTRONICS LIEBERT PIN AC3 CABLE m lt T a z H 9 LL SEE NOTE 1 LCD DISPLAY CONTROL Figure 2b Display Panel Mounted Remotely from Electrical Box 1 EARTH GROUND MUST BE NOTES CONNECTED TO ELECTRICAL BOX DISCONTINUED PRODUCT Section 3 HARDWARE CONFIGURATION DIP Switch Settings The following user selectable operations are set by DIP SW1 on the display panel circuit board Refer to Table2. Standby Glycool Unit On Compressor 1 Overload Compressor 2 Overload Main Fan Overload Manual Override Smoke Detected Loss of Water Standby Unit On Low Suction Short Cycle Loss of Power Inverter Bypass Standby Fan On Loss of Emergency Power Local Alarm 1 Local Alarm 2 lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt Y gt EEES lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 2 Table 4 Alarms Microprocessor 12 e User Manual DISCONTINUED PRODUCT DISCONTINUED PRODUCT Liebert THE COMPANY BEHIND THE PRODUCTS With more than 500 000 installations around the globe Liebert is the world leader in computer protection systems Since its founding in 1965 Liebert has developed a complete range of support and protection systems for sensitive electronics e Environmental systems close control air conditioning from 1 5 to 60 tons e Power conditioning and UPS with power ranges from 250 VA to more than 1000 kVA e Integrated systems that provide both environmental and power protection in a single flexible package e Monitoring and control on site or remote from systems of any size or location e Service and support through more than 100 service centers around the world and a 24 h
3. YINJOJSNVYAL TWNYALXS TWNOILdO Q3MIA AYOLIVA Y3AO9 91419373 Figure 2a Flush Mount Installation 4 e User Manual DISCONTINUED PRODUCT Electrical Connections Caution Ensure Environmental unit has sufficient 24VAC power to support the MR1 Liqui tects or any other auxiliary device The MR1 Mini Remote requires a two wire connection field supplied to communicate with the Environmental unit under its control The stranded twisted pair connects to the MRI interface board at TB2 11 T and TB2 12 T Refer to Table 1 below for the connections at the Environmental unit Note that maximum length for RS 422 communications is 1000 feet and minimum of 22 gauge wire should be used for all field wiring Power for the MRI is supplied to TB3 1 and TB3 2 Maximum current draw is 0 3A at 24VAC It is recommended that the MRI be powered independently from an external 24VAC transformer optionally it may draw power from the Environmental unit However if MRI is located greater than 300 feet 100 meters from the Environmental unit an external transformer must be used Liebert 24VAC Connection to MR1 Environmental Auxiliary TB2 11 T Controller Power TB2 12 T SM Standard AM AG Advanced Terminal T5 Terminal 78 T L10 Level 10 Terminal G5 Terminal 77 T Microprocessors L00 Level 00 TB1 1 Terminal 78 T Microprocessor TB1 5 Terminal 77 T Mini Mate 2 TB4 1 T TB4 2 T
4. 2 and Figure 3 Position OFF ON 1 Audible beeper Audible beeper enabled disabled 2 Remote on off Remote on off of disabled On off Env unit enabled button affects MRI Env unit must have operation only remote on off capability or MR1 will not be able to perform this function 3 Optional alarm inputs 4 optional alarm disabled inputs enabled 4 Common alarm Common alarm follows alarm de energized when condition alarm is silenced Table 2 DIP Switch Settings Note that factory default is OFF for all four positions 9 Liebert MR1 7 DISCONTINUED PRODUCT 1925812313 5156 OL 03123HH02 39 LSNIN 72 SSV 12 34 SLINIAIO TIV STIVLAd 404 01 43494 1011504 440 IHL TIY 34 59111135 HILIMS did AJO LO VI 37949 310 0134 318 AMOLIVA JHL 32V 1434 4350 SI HOLLdO SHLLHOON 3LOIAG 714 0 41 1 JHL IVA Fc OL IVA 021 YIN TVHOLLdO 14 00 XVIN OMY 21 LINN 03119905 HOLLO3HHO2 d3MOd IVA tc C13 0001 XVIAL LINN TV LH3IAIHOHIALEI JHL LV 03123HH02 38 01 O IHS 1986 1307391 031511 LINN 1438311 OL H0LL93HH02 2 aJaN3ININOIFTA TAM VD 21 SHOLLIINNOI WAV TV JANO LSNI 510411 LOVLNOD Add TVHOLLdO SALON 590 089 134 INAN nig a
5. DISCONTINUED PRODUCT SITEMONITORING 04 iebert ___ Keeping Business in Business Mini Remote Onnie ci VIO USER MANUAL DISCONTINUED PRODUCT TABLE OF CONTENTS Section 1 INTRODUCTION 1 55 12 E OS ECT MEME 1 Section 2 INSTALLATION dde add Blues 3 3 Electrical Connections iem eee tem e Oe tbe en es 5 Section 3 HARDWARE 7 DIP Switch Settlrigs eo ta 7 Section OPERATION oc ara ERINNERN 9 LCD and ub betae ta bead 9 Setpoint Controls soin it He ri t EDR tns 10 TABLE OF FIGURES Figure 1 Typical System Configuration aaa enne ii Figure 2a Flush Mount Installation aisiaren eeraa aaa EERE nan ncc nono alata hac e nennen 4 Figure 2b Display Panel Mounted Remotely from Electrical 6 Figure Electrical Connections Electric Box and 8 Figure 4 WCD DISPIS dob LU Ee 9 Figure 5 Display Panel icici ee ie 10 DISCONTINUED PRODUCT Liebert Environmental Unit Twisted Pair RS 422 MP1 Mini Remote 24VAC Figure 1 Typical System Configura
6. INANI t 310N 33S GHA 123135 2 bal rand WTO 038 Av1ds a GPS T 35v 310134 Val 5 3LON 335 310N 33S ALON 33S gt Dam SL DA Pz SW IYA Pz 2 310N 335 4164 03151 1 OA ZZ A IA 10410100 Wud TY NOWWOD 1040 LOVINOD Add Wal TY 33801512 3LON 335 Figure 3 Electrical Connections Electric Box and Display 8 User Manual DISCONTINUED PRODUCT Section 4 OPERATION LCD and Keypad When power is first applied the MR1 performs self initialization and then enters the normal display mode The display alternates between showing the temperature and humidity readings and cooling heating de humidification and econocycle operating status Pressing the HOLD button will lock on the temperature or humidity reading continuously updating it two times per second It will continue to display the same parameter until the SCAN button is pressed or a new alarm occurs SET HIGH LOW HUM TEMP SENSITIVITY F LOCAL ALARM 1234 HIGH HEAD 1 2 LOSS AIR RH CHNG FILTER HIGH WATER OFF COOL HEAT DEHUMIDIFY ECONO FAN Figure 4 LCD Display When you press the SCAN button the MR1 first scans through the active alarms if any exist then scans through the heating cooling de humidification and econocycle capacity On chilled water hot water units percent capacity indicates the val
7. PRODUCT a m L00 M r3 Setpoint SSC On Off Temperature Temp Sensitivity Humidity SM Y Y Y Y N NENNE Humidity Sensitivity High Temperature Alarm Low Temperature Alarm High Humidity Alarm gt RENE lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt Low Humidity Alarm Table 3 Setpoint Control by Microprocessor Modification to the K3 common alarm relay on the microprocessor controls of Environmental unit is necessary to enable remote on off this modification will necessarily eliminate the common alarm relay output Refer to the Installation Operations Manual of the Environmental unit or consult Liebert Environmental Support Note that if the high low temperature and humidity alarm setpoints are disabled at the unit controls then the MR1 will display 00 for the setpoint The is not able to remotely enable alarm setpoints The MRI will annunciate any alarm transmitted by the Environmental controls Table 4 catalogs the available alarms by microprocessor level 9 Liebert MR1 e 11 DISCONTINUED PRODUCT un m e e e N un lt lt lt lt Alarm High Temperature Low Temperature High Humidity Low Humidity High Head Pressure 1 High Head Pressure 2 Loss of Airflow Liquid Detected Change Filters Humidifier Problem No Water in Hum fier Pan
8. equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense NOTE When the following symbols are displayed they indicate a amp Earth grounding conductor CN b Alternating Current DISCONTINUED PRODUCT Section 2 INSTALLATION Mounting NOTE Use minimum 18 gauge wire for all customer interface wiring The MR1 Mini Remote is completely tested then shipped from the factory disassembled for your convenience during installation To begin flush mount installation please refer to Figure 2A An optional 30 foot control cable can be supplied to allow the display to be located remotely from the electrical box Refer to Figure 2b The electric box containing the power supply is designed for flush mounting into a finished interior wall A wall plate is supplied to cover the drywall opening with the display mounted directly in fron
9. our Customer Response Center Mini Remote Environmental Monitor LIEBERT CORPORATION 1050 DEARBORN DRIVE P O Box 29186 COLUMBUS OHIO 43229 800 877 9222 PHONE 614 841 6022 FAX LIEBERT EUROPE GLOBE PARK MARLOW BUCKINGHAMSHIRE SL7 1YG UNITED KINGDOM 44 1628 403200 PHONE 44 1628 403203 FAX LIEBERT WEB SITE http www liebert com LIEBERT ASIA 19 F CAUSEWAY BAY PLAZA 489 HENNESSY ROAD CAUSEWAY BAY HONG KONG 852 2 572 2201 PHONE 852 2 831 0114 FAx While every precaution has been taken to ensure accuracy and completeness in this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions O 1996 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice All names referred to are trademarks or registered trademarks of their respective owners SL 31017 Rev1 8 99 Printed in U S A Q E Su ED So ga Aa a
10. t of the wall plate electric box 1 Mount the electric box Item 5 in the wall at a convenient location 2 Make each power and unit connection to Item 4 by inserting bare wire end into compression terminal and tightening screw Refer to Electrical Connections section If 30 foot cable is used disconnect factory wire harness and attach cable to screw terminals per Figure 2 3 Route control cable through wall plate and electric box cover then connect to electrical box at TB1 on Item 4 4 Attach electric box cover Item 3 with two 2 screws 5 Remove the front cover from the MR1 display panel Item 1 by gently prying open at the slots on the top and bottom ofthe display Attach the control panel rear plastic and the wall plate Item 2 to the electric box with two 2 screws 6 Snap display panel front onto the rear plastic part 7 Apply power to the MRI Operate the system to test status and alarm monitoring and customer selected options including on off control Also test optional customer interface 4 inputs and 1 output if applicable Call Liebert Environmental Support at 1 800 543 2778 1f assistance is required for the installation or operation of the Mini Remote 9 Liebert MR1 DISCONTINUED PRODUCT TYL OL Q3L393NNOD LSNW ONNOYS SALON SIINOYLIATA 39V3Y3 LNI L LON 33S PIE ZX PIE Y X DIE Xog 1vI1919373 TOYLNOD AV1dSI0 d21 ut LX aZ ALV 1d TIVM
11. tion DISCONTINUED PRODUCT DISCONTINUED PRODUCT Section 1 INTRODUCTION Specifications 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 is compatible with all Liebert microprocessor controlled Environmental units including 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 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 MRI user to access setpoints and settings Electrical Specifications Voltage 24 VAC 10 of nominal Power 7 5 V 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 x 4 34 W 2 3 20 121mm x 121mm x 70mm 0 91 kg 9 Liebert MR1 e 1 DISCONTINUED PRODUCT 2 e User Manual NOTE This
12. to prevent untrained personnel from accessing unit settings F je 1 5 4 Figure 5 Display Panel The F C button will toggle between degrees Fahrenheit and degrees Celsius for the temperature display The SET button will put the MRI in the set mode The SET icon in the upper left of the LCD will be displayed along with other icons to indicate which setpoint is being viewed or changed Use the U SCAN and the tt HOLD buttons to change the setpoint The display will change with each key press to indicate the new value of the setpoint If the value does not change then the environmental unit 1s not accepting the new value because it is out of range The displayed value is always the actual setpoint in the environmental unit There are 8 setpoints that can be changed The SET button is pressed to advance to the next setpoint After all 8 setpoints have been stepped through the MR1 will go back to the normal display mode The SILENCE button can be pressed at any time to exit the set mode The 8 setpoints are 1 Temperature Setpoint 5 High Temp Alarm 2 Temperature Sensitivity 6 Low Temp Alarm 3 Humidity Setpoint 7 High Hum Alarm 4 Humidity Sensitivity 8 Low Hum Alarm Note that the temperature sensitivity is in tenths but there is no decimal point the MRI display so for example 1 4 is displayed as 14 Refer to Table 3 for availability by microprocessor of setpoint control 10 User Manual DISCONTINUED
13. ve position On units equipped with econocycle cooling will reflect the valve position If econocycle is not available econocycle capacity status is skipped While scanning the HOLD button can be pressed to lock the display on the current item for continuous updating To return to scanning press the SCAN button again After all parameters have been displayed the monitor returns to the normal alternating status display Should a new alarm occur while scanning or at any other time the MR1 immediately displays the alarm and annunciates it if the beeper is enabled The alarm can be silenced by pressing the SILENCE button On Small Systems Controls silencing an alarm at the MRI will also silence the alarm at the unit on other microprocessors an alarm that is no longer active can be reset from the MR by pressing the SILENCE button OFF is displayed when the has been turned off OFF flashes if communication between the MR1 and the Environmental unit is disrupted With DIP switch 2 in the ON position and monitoring a unit equipped with remote on off capability pressing the ON OFF 9 Liebert 1 9 DISCONTINUED PRODUCT button will turn on off the unit being monitored and the With DIP switch 2 in the OFF position pressing the ON OFF button will turn toggle the on off operation of the MRI only Setpoint Control There are two hidden buttons on the MR1 keypad These buttons are not labeled on the display
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