Emerson MINI-MATE2 user manual Maintenance Inspection Checklist

Page 69

Maintenance Inspection Checklist

10.0MAINTENANCE INSPECTION CHECKLIST

Liebert Mini-Mate2

Date:____________________________________

Prepared By:____________________________________

Model #:_________________________________

Serial Number:__________________________________

NOTE

Reheat element sheaths and fins are manufactured with stainless steel. Regular inspections are necessary to assure proper cleanliness of the reheating element. Should inspection reveal corrosion particles on the reheating element or adjoining surfaces (including ducts and plenums), appropriate cleaning should be performed. Periodic reheating element replacement may be required to meet specific application requirements.

Monthly

Filters

___ 1. Check for restricted airflow

___ 2. Check for filter

___ 3. Wipe section clean

Fan Section

___ 1. Impellers free of debris and move freely

___ 2. Bearings in good condition

___ 3. Check belt tension and condition

Semiannually

Compressor Section

___ 1. Signs of oil leaks

___ 2. Vibration isolation

Refrigeration Cycle

___ 1. Suction pressure

___ 2. Head pressure

___ 3. Superheat

___ 4. Evaporator coil clean

___ 5. Insulation intact

Air-Cooled Condensing Unit (if applicable)

___ 1. Condenser coil clean

___ 2. Motor mount tight

___ 3. Refrigerant lines properly supported

Humidifier

___ 1. Check canister for mineral deposits

___ 2. Check condition of electrodes

___ 3. All hoses and fittings tight

___ 4. Check water make-up valve for leaks

Drain lines

___ 1. Check for obstructions and sediment buildup.

___ 2. Check for damage and/or corrosion.

___ 3. Check for leaks

Flood Back Head Pressure Control

___ 1. Check refrigerant level

Water- or Glycol-Cooled Condensing Unit

___ 1. Water valve adjustment

___ 2. Water flow

___ 3. Water leaks

Glycol Pump (if applicable)

___ 1.

Glycol leaks

___ 2.

Pump operation

___ 3.

Glycol solution

___ 4.

pH level

Electric Panel

___ 1. Check electrical connections

___ 2. Operational sequence

Electric Reheat

1. Check element for corrosion

Signature:________________________________________________________________

Make photocopies of this form for your records

63

Liebert® Mini-Mate2

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Contents Liebert Mini-Mate2 Page Table of Contents System Performance Microprocessor Controls Microprocessor ControlSystem OPERATION, Testing and Maintenance AlarmsTables Important Safety Instructions Liebert Mini-Mate2 Air-cooled systems-indoor centrifugal condensing units Product Model InformationPFH 0 67 a a L System configurations-50 Hz System configurations-60 HzIntroduction Evaporator Section-Split System Standard FEATURES-5 TON SystemsCondensing Unit Section-Split System Chilled Water UnitsSystem Controls Other Standard Control FeaturesReheat Switches and MotorsHumidifier SensorsOptional Configurations-Prop Fan Condensing Units Optional Configurations-Water/Glycol Condensing UnitsFree-Cooling Optional Configurations-Chilled Water Units SHIP-LOOSE ACCESSORIES-FIELD-INSTALLED Ship-Loose Accessories-Field-Installed Installation Considerations Site Preparation and InstallationRoom Preparation Air-cooled systems Location ConsiderationsUnit weights Ceiling Unit WeightsCooling Drycooler Cooling UnitsClose Coupled Installations Installing the Ceiling UnitsEquipment Inspection Upon Receipt Evaporator Air Distribution Filter BoxPiping Connections and Coolant Requirements Drain Line Connections for Ducted SystemsHumidifier Water Supply Line Evaporator external static pressureEquivalent lengths for various pipe fittings, ft m Recommended refrigerant line sizesEquivalent Pipe Liquid Suction Length, ft m Copper PipePipe length and condenser elevation relative to evaporator Vertical rise above evaporator/maximumVertical fall below evaporator Quick Connect Fittings Total refrigerant = Units and LinesRefrigerant charge Line charges refrigerant per 100 ft m of Type L copper tubeDPN000218 Electrical Connections Threaded rod and hardware kit installationControl Connections Power ConnectionsEvaporator unit electrical connections Close coupled installation Ducting Piping ConnectionsGeneral Considerations Considerations for Specific ApplicationsAIR-COOLED Dimensional Data AIR Cooled AIR-COOLED Outdoor Air-Cooled Condensing Unit Installation Weight, lb kgModel # 60Hz 50Hz Rev Water/Glycol Piping Considerations Condensing Unit Fluid RequirementsRegulating Valve WATER/GLYCOL Dimensional Data WATER/GLYCOL DPN000214 Optional free-cooling coil 3-way valve on water/glycol units Hot Water Reheat CoilChecklist for Completed Installation Microprocessor Control Feature OverviewSetpoints Main Menu MenuStatus Active AlarmsTime DateRestart Time Delay Setup OperationShow DIP Switch 2 C/F DegreesSetup functions, default values and allowable ranges Change PasswordsFunction Default Range Calibrate SensorsAlarm Time Delay Alarm EnableCommon Alarm Enable Alarm default time delaysStandard Custom Alarm Messages Custom AlarmsCustom Text LCD Display ContrastEquipment Options Switches Run Diagnostics Available On Rev 1.001.0 and higherEquipment switch settings unit control board Switch settings wall box boardTest Control Board Test OutputsControl menu Wall box board Control board-inside evaporatorTemperature Control Humidity ControlSystem Performance Microprocessor Controls Load Control Features Humidification OperationCommunications Alarms Alarms Definitions and TroubleshootingCustom Alarms High Head PressureHumidifier Problem Alarm TemperatureHigh Water Alarm Air-Cooled SystemsOptional/Custom Alarms System Testing Maintenance and Component OperationSystem OPERATION, Testing and Maintenance Air Distribution Blower SystemBlower Removal Refrigeration SystemDischarge Pressure Glycol Solution MaintenanceThermostatic Expansion Valve Air-Cooled Condensing UnitsHot gas bypass Hot Gas BypassCompressor Replacement Replacement ProceduresMechanical Failure Electrical FailureReplace a Failed Compressor Steam Generating Humidifier-Operation Procedures Humidifier control board DIP switch settings Humidifier Circuit Board AdjustmentsReplacing the Humidifier Canister AmpsMaintenance Inspection Checklist Troubleshooting TroubleshootingDisplay Problem Symptom Possible Cause Check Or Remedy Cooling cycle tooShort Display freezesPpor t Is t Ne tTwor k Care

MINI-MATE2 specifications

The Emerson MINI-MATE2 is a cutting-edge temperature and pressure monitoring device specifically designed for the needs of the refrigeration and HVAC industries. Known for its reliability and user-friendly interface, this compact unit serves as a key tool for technicians and facility managers looking to optimize system performance while ensuring compliance with safety standards.

One of the main features of the MINI-MATE2 is its advanced digital display, which allows users to easily monitor and interpret temperature and pressure readings in real-time. Its highly responsive sensors ensure accurate data collection, vital for maintaining optimal operating conditions. Moreover, the device supports a wide range of refrigerants, making it versatile for different applications, from walk-in coolers to commercial refrigeration systems.

The MINI-MATE2 utilizes state-of-the-art technology to enhance efficiency and performance. Equipped with Bluetooth connectivity, it allows for wireless communication with mobile devices, enabling technicians to track readings and receive alerts remotely. This feature not only improves convenience but also helps in quick decision-making, ensuring timely interventions when anomalies are detected.

Another significant characteristic is its robust construction. Built to withstand harsh environments, the MINI-MATE2 features a durable casing that protects it from physical impacts and environmental factors. This resilience ensures longevity, making it a cost-effective investment for any facility.

In addition, the MINI-MATE2 is designed with user-friendliness in mind. Its intuitive interface means that even technicians with limited experience can easily navigate its functionalities. Quick setup and straightforward operation allow for rapid adoption and extensive use in a variety of settings.

Finally, the MINI-MATE2 also includes built-in data logging capabilities. Users can record historical data for analysis and reporting purposes, which is essential for performing trend analysis and identifying potential issues before they escalate. By providing a comprehensive overview of system performance, the MINI-MATE2 empowers users to make informed decisions that can lead to improved energy efficiency and reduced operational costs.

Overall, the Emerson MINI-MATE2 is an indispensable tool for modern refrigeration and HVAC applications, combining cutting-edge technology, user-friendly design, and essential features to support efficient system management.