Summary of the content on the page No. 1
Precision Cooling
For Business-Critical Continuity™
® ™
Liebert Mini-Mate2
User Manual - 5 Tons, 50 & 60Hz
Summary of the content on the page No. 2
Summary of the content on the page No. 3
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 PRODUCT MODEL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 1.1 Designed to Match Computer and Electronic Equipment Needs—From Installation to Operation .
Summary of the content on the page No. 4
5.6 Outdoor Air-Cooled Condensing Unit Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.6.1 Location Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.6.2 Piping Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.6.3 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 5
7.3 Load Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 7.3.1 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 8.0 ALARMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 8.1 Alarms: Definitions and Troubleshooting . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 6
Figure 10 Chilled water systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 11 Refrigerant piping diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 12 Evaporator unit dimensional data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 13 Threaded rod and hardware kit installati
Summary of the content on the page No. 7
Important Safety Instructions IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions that should be followed during the installation and maintenance of the Liebert Mini-Mate2. Read this manual thoroughly before attempting to install or operate this unit. Only properly trained and qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions and installation, operating and safety instructions on the unit
Summary of the content on the page No. 8
Important Safety Instructions CAUTION ! Risk of sharp edges, splinters and exposed fasteners. Can cause injury. Only properly trained and qualified personnel wearing appropriate safety headgear, gloves, shoes and glasses should attempt to move the unit, lift it, remove packaging from or prepare the unit for installation. NOTICE Risk of leaking water. Can cause equipment and building damage. Improper installation, application and service practices can result in water leakage from the unit. Do
Summary of the content on the page No. 9
Product Model Information PRODUCT MODEL INFORMATION Figure 1 Split system evaporators M = Liebert Mini-Mate2 M = Microprocessor Control D = Disconnect Switch 0 = No Disconnect Switch Nominal Capacity kBtuh E = Split Evaporator K = Evaporator w/ Free-Cooling Coil (3-way valve) MMD60E7CHELA 7 = R-407C DX Evaporator 0 = None A = Filter Clog A = 460V – 3ph-60Hz B = Smoke Sensor B = 575V – 3ph-60Hz C = High-Temperature Sensor C = 208V – 3ph-60Hz D = Filter Clog & Smoke Sensor D = 230V – 3ph-60Hz E =
Summary of the content on the page No. 10
Product Model Information Figure 3 Air-cooled systems—outdoor prop fan condensing units PFH = Prop Fan Condensing Unit w/HGBP 0 = Standard Sound Level Z = Quiet-Line Nominal Capacity, kBtuh PFH067 A-AL7 A = Air-Cooled Unit 7 = R-407C Refrigerant ™ L = 95°F (35°C) Ambient Liebert Lee-Temp - = Standard Coil C = Coated Coil H = 105°F (41°C) Ambient Liebert Lee-Temp A = 460V – 3ph-60Hz B = 575V – 3ph-60Hz Y = 208/230V – 3ph-60Hz M = 380/415V – 3ph-50Hz Figure 4 Water/glycol-cooled systems—indoor con
Summary of the content on the page No. 11
Product Model Information Figure 5 Chilled water systems M = Liebert Mini-Mate2 M= Microprocessor Control D = Disconnect Switch 0 = No Disconnect Switch Nominal Capacity (kBtuh) C = Chilled Water M M D 92 C 2 C H E L A 2 = 2-Way Chilled Water Valve (Motorized On/Off) 3 = 3-Way Chilled Water Valve (Motorized On/Off) D = 2-Way Chilled Water Valve (Modulating) T = 3-Way Chilled Water Valve (Modulating) A = 460V – 3ph-60Hz B = 575V – 3ph-60Hz C = 208V – 3ph-60Hz D = 230V – 3ph-60Hz M= 380/415V – 3ph
Summary of the content on the page No. 12
Introduction 1.0 INTRODUCTION 1.1 Designed to Match Computer and Electronic Equipment Needs—From Installation to Operation Installed above the ceiling, Liebert Mini-Mate2 Precision Cooling systems control the cooling, humidity and air distribution required by sensitive electronic equipment. A range of sizes and configurations is available to meet varying sites’ needs. The Liebert Mini-Mate2 is also easy to use. Advanced microprocessor technology allows easy, precise control, and menu-driven
Summary of the content on the page No. 13
Standard Features—5 Ton Systems 2.0 STANDARD FEATURES—5 TON SYSTEMS 2.1 Evaporator Section—Split System The evaporator section is designed for ceiling installation. The cabinet and chassis are constructed of heavy gauge galvanized steel. The unit can be serviced using only one side increasing its versatility in mounting locations. Mounting brackets are factory-attached to the cabinet. Internal cabinet insulation meets ASHRAE 62.1 requirements for Mold Growth, Humidity & Erosion, tested per U
Summary of the content on the page No. 14
Standard Features—5 Ton Systems 2.4 System Controls System controls include a microprocessor control board mounted in the evaporator/chilled water unit and a wall-mounted interface with a two-line, 16-character liquid crystal display. A seven-key, membrane keypad for setpoint/program control, unit On/Off and alarm silence is below the LCD screen. It provides temperature setpoint and sensitivity adjustment, humidity setpoint and sensitivity adjustment, digital display of temperature, humidity
Summary of the content on the page No. 15
Optional Factory-Installed Features - Evaporator/Chilled Water Units 3.0 OPTIONAL FACTORY-INSTALLED FEATURES - EVAPORATOR/CHILLED WATER UNITS 3.1 Reheat Electric Reheat includes 304/304 stainless steel finned tubular reheat elements, with high limit safety switch. SCR Electric Reheat uses an SCR controller and unit control software to provide full cooling with modulating of the electric reheat elements to control air temperatures. Reheat capacity is up-sized to offset the cooling capacity. (T
Summary of the content on the page No. 16
Optional Factory-Installed Features - Evaporator/Chilled Water Units 3.5 Free-Cooling Free-cooling option includes separate cooling coil, three-way slow-close valve and separate supply and return piping. Free-cooling is activated when the water temperature reaches a field-adjustable temperature, typically 45°F (7°C). The valve is rated for 300psi (2068kPa) working pressure. Air-cooled condensing units can be matched with evaporators using free-cooling coils with chilled water sources to serve
Summary of the content on the page No. 17
Optional Factory-Installed Features - Evaporator/Chilled Water Units 3.8 Optional Configurations—Chilled Water Units Chilled Water Units are also available with the following valve options: • Three-way, slow-close, motorized chilled water valve rated for 300 psi (2068kPa) working pressure. Valve is non-spring return. • Two-way modulating chilled water valve, rated for 400psi (2758kPa) operating pressure, 72psi (496kPa) close-off rating. Valve is non-spring return. • Three-way modulating chille
Summary of the content on the page No. 18
Ship-Loose Accessories—Field-Installed 4.0 SHIP-LOOSE ACCESSORIES—FIELD-INSTALLED Filter Box includes filter box with 1" (25.4mm) duct flange connection, quantity 2, 20" x 20" x 4" nominal (508mm x 508mm x 102mm) filters and a 1" (25.4 mm) duct flange for use on the supply air opening. Filters are MERV 8 efficiency per ASHRAE Standard 52.2-2007. Condensate Pump is equipped with a discharge check valve. The pump is supplied with a mounting bracket for field-mounting onto ductwork and can be fi
Summary of the content on the page No. 19
Ship-Loose Accessories—Field-Installed ® Liebert SiteScan is a monitoring solution that gives you decision-making power to effectively manage the equipment critical to your business. Liebert SiteScan enables communication from Liebert Precision Cooling and Power Protection units, as well as many other pieces of analog or digital equipment, to a front-end software package that provides real-time status and alarms so you can react quickly to changing situations. Liebert SiteScan is designed
Summary of the content on the page No. 20
Site Preparation and Installation 5.0 SITE PREPARATION AND INSTALLATION NOTE Before installing unit, determine whether any building alterations are required to run piping, wiring and duct work. Carefully follow all unit dimensional drawings and refer to the submittal engineering dimensional drawings of individual units for proper clearances. 5.1 Installation Considerations The evaporator unit is usually mounted above the suspended ceiling in the space to be conditioned. Ducted systems may be
