Liebert 60Hz User Manual

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Precision Cooling
For Business-Critical Continuity™
Liebert Mini-Mate2
User Manual - 8 Tons, 50 & 60Hz
Page view 0
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Summary of Contents

Page 1 - Liebert Mini-Mate2

Precision CoolingFor Business-Critical Continuity™Liebert Mini-Mate2™User Manual - 8 Tons, 50 & 60Hz

Page 2 -

Product Features21.2 Optional Equipment1.2.1 Canister HumidifierThe optional, factory-installed steam generating humidifier adds pure water vapor to t

Page 3 - TABLE OF CONTENTS

Product Features31.3 Ancillary (Ship Loose Accessories)1.3.1 Single Point Power KitA Single Point Power Kit allows the connection of a system (Evapora

Page 4

Site Preparation and Installation42.0 SITE PREPARATION AND INSTALLATION2.1 Installation ConsiderationsThe evaporator unit is usually mounted above the

Page 5

Site Preparation and Installation52.1.2 Location ConsiderationsLocate the evaporator unit over an unobstructed floor space if possible. This will allo

Page 6

Site Preparation and Installation6Figure 1 System configurations—air cooled systemsFigure 2 System Configurations—water/glycol systemsEvaporatorCentri

Page 7 - MODEL NUMBER NOMENCLATURE

Site Preparation and Installation7Figure 3 System Configurations—chilled water systems2.2 System Weights2.3 Equipment Inspection upon receiptWhen the

Page 8

Site Preparation and Installation82.4 Installing the Evaporator or Chilled-Water UnitsThe evaporator unit and indoor condensing unit are usually mount

Page 9 - 1.0 PRODUCT FEATURES

Site Preparation and Installation92.4.1 Close Coupled InstallationsIf the evaporator and condensing units are to be mounted side-to-side (close couple

Page 10 - 1.2 Optional Equipment

Site Preparation and Installation102.4.2 Evaporator Air DistributionFilter Box The optional filter box mounts directly to the return air opening of th

Page 11 - Product Features

Site Preparation and Installation112.4.3 Piping Connections and Coolant RequirementsDrain LineA 3/4 in. (19.1 mm) female pipe thread (FPT) connection

Page 13 - 2.1.2 Location Considerations

Site Preparation and Installation12Condensate PumpThe optional condensate pump kit is required when the evaporator is installed below the level of the

Page 14

Site Preparation and Installation13Chilled-Water Piping—Chilled-water Systems OnlyRefer to Figure 8 for recommended field installed hardware such as s

Page 15 - 2.2 System Weights

Site Preparation and Installation14Refrigerant (R-22) PipingAll split systems require two sets of refrigerant lines (two insulated copper suction line

Page 16

Site Preparation and Installation15Refrigerant Charge Requirements: Total refrigerant charge (R-22) will be required only if units are evacuated durin

Page 17

Site Preparation and Installation16Figure 10 Evaporator or chilled-water unit dimensional data49 "21 1/2 "1"19 1/2 "1"17 1/2

Page 18 - Filter Box

Site Preparation and Installation172.4.4 Electrical Connections, Evaporator or Chilled-Water Unit Each unit is shipped from the factory with internal

Page 19 - Drain Line

Site Preparation and Installation18Figure 11 Evaporator unit electrical connectionsField supplied, field wired thermostat wire to remote wall box.Entr

Page 20 - Humidifier Water Supply Line

Site Preparation and Installation192.5 Indoor Air-Cooled Centrifugal Fan Condensing Unit Installation2.5.1 Location ConsiderationsThe centrifugal fan

Page 21 - DPN000236_Rev0

Site Preparation and Installation202.5.3 Piping ConnectionsDetails for refrigerant (R-22) loop piping are in 2.4.3 - Piping Connections and Coolant Re

Page 22 - Refrigerant (R-22) Piping

Site Preparation and Installation21Figure 13 Indoor air-cooled centrifugal condensing unit dimensions and pipe connections7/8" (22mm) & 1 1/8

Page 23 - Quick Connect Fittings

iTABLE OF CONTENTSMODEL NUMBER NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V1.0 PROD

Page 24 - (OPTIONAL) FILTER BOX

Site Preparation and Installation22Figure 14 Indoor air-cooled centrifugal condenser electrical connectionsRemovableAccess PanelsConnection Terminal f

Page 25 - Power Connections

Site Preparation and Installation232.6 Outdoor Air-Cooled Condensing Unit Installation2.6.1 Location ConsiderationsTo insure a satisfactory air supply

Page 26 - DPN000244_Rev0

Site Preparation and Installation24Figure 15 Electrical field connections - outdoor condensing unitField supplied unitdisconnect switch.Single or thre

Page 27 - General Considerations

Site Preparation and Installation25Figure 16 Footprint dimensions - outdoor condensing unitModel Dimensional Data in. (mm)Net Weightlbs (kg) 60 Hz 50

Page 28 - Control Connections

Site Preparation and Installation26Figure 17 Piping and electrical connections - outdoor condensing unit Model Numbers Electrical Connections In. (mm)

Page 29 - DPN000248_Rev1

Site Preparation and Installation272.7 Indoor Water- and Glycol-Cooled Condensing Unit Installation2.7.1 Location ConsiderationsThe condensing unit ma

Page 30 - DPN000249_Rev0

Site Preparation and Installation28Figure 18 Indoor water/glycol condensing unit dimensional data1. 24V GND System 12. 24V Supply System 13. High-Pres

Page 31 - 2.6.3 Electrical Connections

Site Preparation and Installation29Figure 19 Indoor water/glycol condensing unit electrical field connections

Page 32 - DPN000135_Rev0

Site Preparation and Installation30Figure 20 System piping with indoor water/glycol-cooled condensing unitTwo circuits provided. Single circuit shown.

Page 33 - FOOTPRINT DIMENSIONS

Site Preparation and Installation312.8 Optional Equipment Piping2.8.1 Free-Cooling Coil (GLYCOOL)The free-cooling coil is a secondary coil located ups

Page 34 - SL-11081Page7

ii2.7 Indoor Water- and Glycol-Cooled Condensing Unit Installation. . . . . . . . . . . . . . . . . . . . . . 272.7.1 Location Considerations. . . .

Page 35

Site Preparation and Installation32Figure 22 Optional free cooling coil (3-way valve) on air-cooled unitsSL-11088Pg12

Page 36

Site Preparation and Installation332.9 Checklist for Completed Installation___ 1. Proper clearance for service access has been maintained around the e

Page 37

Microprocessor Control343.0 MICROPROCESSOR CONTROLThe Microprocessor Control for the Liebert Mini-Mate2 unit features an easy to use menu-driven LCD d

Page 38 - SL-11088Pg7

Microprocessor Control353.2 Main Menu <Menu>Press the MENU key to display the Main Menu. The Menu selections (in the following order) include: •

Page 39 - 2.8 Optional Equipment Piping

Microprocessor Control363.3 SetpointsSetpoints and system setup parameters are kept in nonvolatile memory. Selecting SETPOINTS from the Main Menu will

Page 40 - SL-11088Pg12

Microprocessor Control373.7 TimeThe controller time clock must be set to allow for the setback control. The clock uses the 24-hour sys-tem (i.e., 12 m

Page 41

Microprocessor Control383.10.2 C/F DegreesThe control may be selected to show readings and setpoints in either degrees Fahrenheit (°F) or in degrees C

Page 42 - 3.0 MICROPROCESSOR CONTROL

Microprocessor Control393.10.7 CW Flush (For Systems With a Modulating Chilled-Water Valve)This function shows the interval time at which the system w

Page 43 - 3.2 Main Menu <Menu>

Microprocessor Control403.14 Alarm Time DelayEach individual alarm can be programmed with a time delay (Table 13), causing the unit to delay a specifi

Page 44 - 3.6 Alarm History

Microprocessor Control413.17 Custom TextTo modify the two custom alarm messages select “CUSTOM TEXT”. Then select “Custom Text #1,” “Custom Text #2” o

Page 45 - 3.10 Setup Operation

iii4.3 Reheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 46 - 3.10.5 Show DIP Switch

Microprocessor Control423.18 Run DiagnosticsBy selecting Run Diagnostics, maintenance personnel can check system inputs, outputs, and conduct a test o

Page 47 - 3.13 Alarm Enable

Microprocessor Control43Test MicroBy selecting this function, the microcontroller will perform a self test lasting approximately 10 sec-onds. When the

Page 48 - 3.16 Custom Alarms

Microprocessor Control44Figure 25 Control board (inside evaporator)Figure 26 Wall box boardP18P1P2P3P39P38P40TBP22P36P34P8P32P35P4P43P7P25T-P5P16P10G2

Page 49 - 3.17 Custom Text

System Performance Microprocessor Controls454.0 SYSTEM PERFORMANCE MICROPROCESSOR CONTROLS4.1 Control Type Response Proportional ControlThe percent re

Page 50 - 3.18 Run Diagnostics

System Performance Microprocessor Controls464.4 Dehumidification / Humidification Percent RequiredThe humidity control for the MM2 is based on a calcu

Page 51 - Test Micro

Alarms475.0 ALARMSThe microprocessor control system will audibly and visually signal all ENABLED Alarms (including two (2) custom alarms). These speci

Page 52 - Figure 26 Wall box board

Alarms485.1.3 HumidityThe humidity alarm may be activated under the following conditions:• High: The room return air humidity exceeds the pre-set high

Page 53 - 4.3 Reheat

Alarms495.2 Optional/Custom Alarms5.2.1 Change FilterPeriodically, the return air filters in the evaporator must be changed. The Change Filter alarm n

Page 54 - 4.6 Communications

System Operation, Testing, and Maintenance506.0 SYSTEM OPERATION, TESTING, AND MAINTENANCEThis section describes system testing, maintenance and repla

Page 55 - 5.0 ALARMS

System Operation, Testing, and Maintenance516.2 Maintenance and Component Operation6.2.1 Electric PanelThe electric panel should be inspected on a sem

Page 56

ivFIGURESFigure 1 System configurations—air cooled systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Fi

Page 57 - 5.2 Optional/Custom Alarms

System Operation, Testing, and Maintenance526.2.4 Electric ReheatReheat element sheets and fins are manufactured with stainless steel. Regular inspect

Page 58 - 6.1 System Testing

System Operation, Testing, and Maintenance53Regulating Valves (Water/Glycol Condensing Units)The water regulating valve automatically regulate the amo

Page 59 - Blower Removal (Evaporator)

System Operation, Testing, and Maintenance54Replacement ProceduresCompressor Replacement: Infrequently a fault in the motor insulation may result in a

Page 60

System Operation, Testing, and Maintenance556.2.6 Steam Generating Humidifier - Operation ProceduresSteam generating humidifiers operate efficiently o

Page 61 - Hot Gas Bypass (Optional)

System Operation, Testing, and Maintenance56Replacing the Humidifier CanisterThe proper procedure to replace the humidifier canister is:1. Turn off th

Page 62 - Replacement Procedures

Maintenance Inspection Checklist577.0 MAINTENANCE INSPECTION CHECKLISTJOB NAME: ______________________________ ROOM TEMP/HUM: _______________________

Page 63

Troubleshooting588.0 TROUBLESHOOTINGTable 18 TroubleshootingSymptom Possible Cause Check or RemedyUnit will not startNo power to unit Check voltage at

Page 64

Troubleshooting59Cooling cycle too shortSensor response delay too shortIncrease sensor response delay. See 3.12 - Calibrate Sensors.Display freezes an

Page 65

Troubleshooting60NOTES

Page 67

vMODEL NUMBER NOMENCLATUREEvaporators and Chilled-Water UnitsMMD96E-AHEL0 (example)Indoor Condensing UnitsMCD96ALA00 (example)MM Mini-Mate2 MC Mini-Ma

Page 68 - Troubleshooting

Troubleshooting62

Page 70

Ensuring The High Availability0f Mission-Critical Data And Applications.Emerson Network Power, the global leader in enabling business-criticalcontinui

Page 72 - SL-10533_REV2_02-07

Product Features11.0 PRODUCT FEATURES1.1 Standard Product FeaturesThe Mini-Mate2 is a temperature/humidity control system designed to be installed abo

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