Liebert 50 & 60Hz - Manual
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Table of Contents:
- Page 3 – TABLE OF CONTENTS
- Page 4 – ii
- Page 5 – iii
- Page 6 – iv; FIGURES
- Page 7 – Mini-Mate2 Indoor Condensing Unit; Table iii; Table iv; Chilled Water Unit
- Page 9 – Product Features; RODUCT; Standard Product Features; Unit. A self-contained Chilled Water Fan Coil is also available.; Section 3; DX Evaporator Section; Temp head pressure control with receivers.
- Page 10 – Optional Equipment; source of chilled-water may be piped to this coil.
- Page 11 – Refrigerant Line Sweat Adapter Kits; using field supplied interconnecting refrigerant piping.; Return Air Filter Box with Duct Collar Kit; for ducting the evaporator air.
- Page 12 – Site Preparation and Installation; ITE; Installation Considerations; Figure 1; for possible configurations. The condensing unit may be:; Outdoor Prop Fan Condensing Unit; Table 3; NOTE; conditioned room is the vapor barrier.
- Page 13 – could interfere with maintenance or service.; CAUTION
- Page 15 – Figure 3; System Weights; it to the shipper and to your Liebert supplier.; Table 4
- Page 16 – Installing the Evaporator or Chilled-Water Units; See Figure 4; compressed more than the other side.; Figure 4; WARNING; accessories during installation and service. (See; The units must be level in order to drain condensate properly.
- Page 17 – before connecting them together (See; ). If Single Point Power Kit is used, install the box into the; ments; . Remove “P” clamps from piping to aid fitting alignment.; Figure 5
- Page 18 – Filter Box
- Page 19 – Piping Connections and Coolant Requirements; Figure 6
- Page 20 – Condensate Pump; Figure 7; Humidifier Water Supply Line
- Page 21 – Chilled-Water Piping—Chilled-water Systems Only; Refer to; Figure 8
- Page 22 – Figure 9
- Page 23 – Refrigerant Charge Requirements:; Total refrigerant charge (R-22) will be required only if units; Piping Connections and Coolant Requirements; Total refrigerant = Units and Lines; bodies “bottom out” or until a definite resistance is felt.; for torque requirements.; Table 7; connecting quick connects.; Table 9
- Page 24 – Figure 10 Evaporator or chilled-water unit dimensional data; FRONT
- Page 25 – Power Connections; Do not connect additional electri-
- Page 26 – Figure 11 Evaporator unit electrical connections; FRONT OF UNIT
- Page 27 – Indoor Air-Cooled Centrifugal Fan Condensing Unit Installation; for hanging guidelines and to; General Considerations; directed toward the air inlet of an adjacent unit.; Considerations for Specific Applications; the discharge; If the condensing unit draws air from the outside of the building,; rain hoods must be
- Page 28 – late the unit for maintenance.; Control Connections; Refer to serial tag for full load amp and wire size amp ratings
- Page 30 – Low Voltage; Heat rejection connection
- Page 31 – Outdoor Air-Cooled Condensing Unit Installation; cooled centrifugal fan condensing unit
- Page 32 – Figure 15 Electrical field connections - outdoor condensing unit
- Page 33 – Figure 16 Footprint dimensions - outdoor condensing unit; Model; FOOTPRINT DIMENSIONS
- Page 34 – Model Numbers
- Page 35 – Indoor Water- and Glycol-Cooled Condensing Unit Installation; Requirements; Water/Glycol Piping Considerations; Glycol-cooled units also; Automotive antifreeze must not be used.
- Page 36 – Figure 18 Indoor water/glycol condensing unit dimensional data
- Page 38 – Two circuits provided. Single circuit shown.
- Page 39 – Optional Equipment Piping
- Page 41 – Checklist for Completed Installation
- Page 42 – Microprocessor Control; ICROPROCESSOR; - System Performance Microprocessor Controls; Feature Overview; ENTER
- Page 43 – Press the; MENU; Use the
- Page 44 – Setpoints; Default setpoints and allowable ranges; Setpoint
- Page 45 – Time; Night and weekend setback plan; Event
- Page 46 – to select this function, then use the; key to select the desired humidity control method.
- Page 47 – any contaminates which may have collected in the system.; Change Passwords; Each alarm can be disabled or enabled. Use the; Setup functions, default values and allowable ranges; Function; The high-water alarm will automatically shut the unit off.
- Page 48 – Alarm Time Delay; YES; For software alarms such as “loss of power” and “short cycle,” the time; Alarm default time delays; Alarm
- Page 49 – LCD Display Contrast
- Page 50 – Test Outputs; onds on to prevent damage.; Test Inputs; Fan turned on with all loads.
- Page 51 – Test Micro; firmware revision number.; Figure 24 Control menu
- Page 52 – Figure 25 Control board (inside evaporator); P16 Remote Sensor Connection
- Page 53 – System Performance Microprocessor Controls; YSTEM; Control Type Response Proportional Control; the “Setup Operation” menu.; Reheat
- Page 54 – Dehumidification / Humidification Percent Required; relative and absolute. Relative humidity control is the default.; System Activation; tion, and is deactivated when the requirement falls below 50%.; Load Control Features
- Page 55 – Alarms; LARMS; depending upon the model.; Alarms: Definitions and Troubleshooting; to
- Page 56 – from outdoor humidity? Are doors or windows open to outside air?
- Page 57 – Optional/Custom Alarms
- Page 58 – System Operation, Testing, and Maintenance; Maintenance Inspection Checklist; to record preventive maintenance inspections.; System Testing; of the main functions.
- Page 59 – Maintenance and Component Operation; Air Distribution; disconnecting all power and control wiring entering the panel.; Protect refrigerant and water piping from damage.
- Page 60 – meet specific application requirements.; Suction Pressure; sure switch will shut the compressor down at its cut-out setting.; Thermostatic Expansion Valve; fouled and should be replaced.; Typical discharge pressures; System Design; Maximum
- Page 61 – Glycol Solution Maintenance; ucts from different manufacturers.; Operation; ized and superheat is not adjustable.; Adjustment; is within the range desired.
- Page 62 – Replacement Procedures; Compressor Replacement:; for discharge; long rubber gloves in handling contaminated parts.
- Page 63 – and goes to normal operation. No drain is permitted until then.
- Page 64 – Replacing the Humidifier Canister; Record the original setpoint.; Humidifier control board DIP switch settings; Voltage
- Page 65 – AINTENANCE
- Page 66 – ROUBLESHOOTING; Troubleshooting
- Page 68 – NOTES
- Page 72 – Precision Cooling
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Precision Cooling
For
Business-Critical Continuity™
Liebert Mini-Mate2
™
User Manual - 8 Tons, 50 & 60Hz
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Summary
Page 3 - TABLE OF CONTENTS
i TABLE OF CONTENTS M ODEL N UMBER N OMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V 1.0 P RODUCT F EATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Standard Product...
Page 4 - ii
ii 2.7 Indoor Water- and Glycol-Cooled Condensing Unit Installation . . . . . . . . . . . . . . . . . . . . . . 27 2.7.1 Location Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.7.2 Piping Connections . . . . . . . . ....
Page 5 - iii
iii 4.3 Reheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4.3.1 Electric Reheat - Staged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4....
