Technical data

Guide Specifications—For Liebert DataMate 1.5- to 3-Ton (5 to 10.5kW)
Liebert
®
DataMate
™
32
GUIDE SPECIFICATIONS—FOR LIEBERT DATAMATE 1.5- TO 3-TON (5 TO 10.5KW)
1.0 G
ENERAL
1.1 Summary
These specifications describe requirements for an environmental control system. The system shall be
designed to maintain temperature and relative humidity conditions within the room.
The manufacturer shall design and furnish all equipment to be fully compatible with heat dissipation
requirements of the site.
System shall be supplied with CSA Certification to the harmonized U.S. and Canadian product safety
standard CSA C22.2 No 236/UL 1995 for “Heating and Cooling Equipment” and marked with the CSA
c-us logo (60 Hz only).
1.2 Design Requirements
The environmental control system shall be a Liebert DataMate factory assembled unit. The
refrigeration system shall be split, with the compressor located in a remote or close-coupled
condensing unit. The evaporator section shall be specifically designed for floor or wall-mounted
installation and serviceable from the front of the system. Condensing units shall be designed for
outdoor or indoor mounting, below the raised floor, above-dropped-ceiling, or in room installation.
Refer to Section 2.3 on page 35 and 36 for condensing unit guide specifications.
Each system shall be capable of delivering ______ CFM. The circulating-air fan shall be two-speed for
precise dehumidification control. The fan motor(s) shall total ______hp (kW). The system shall be
designed for blow-through air arrangement.
The system shall have a total cooling capacity of ______ Btu/hr (kW), and a sensible cooling capacity of
_____ Btu/hr (kW), based on the entering air condition of ____ °F (°C) dry bulb, and ____ °F (°C) wet
bulb. These units are to be supplied with ____ Volt, ____ PH, ____ Hz power supply.
1.3 Submittals
Submittals shall be provided with the proposal and shall include: Single-Line Diagrams;
Dimensional, Electrical, and Capacity data: Piping and Electrical Connection Drawings.
1.4 Quality Assurance
The specified system shall be factory-tested before shipment. Testing shall include, but shall not be
limited to: Quality Control Checks, “HiPot” Test (two times rated voltage plus 1000 volts, per NRTL
agency requirements), and Metering Calibration Tests. The system shall be designed and
manufactured according to world class quality standards. The manufacturer shall be ISO 9001
certified.
2.0 PRODUCT
2.1 Standard Features/All Systems
2.1.1 Evaporator Cabinet and Frame Construction
The cabinet and chassis shall be constructed of heavy gauge, painted furniture steel. The cabinet
shall be designed for easy installation and service access from the front only.
2.1.2 Air Distribution
The air distribution system shall be constructed with a quiet, direct-drive fan assembly equipped with
multiple double-inlet blowers, self-aligning sleeve bearings and lifetime lubrication. Fan motor(s)
shall be permanent-split capacitor, high efficiency type, equipped with two speeds for air flow
modulation. Dehumidification shall utilize the lower fan speed.
Air filter shall be a cleanable polypropylene monofilament type over expanded aluminum with
aluminum frame with a MERV 4 rating based on ASHRAE 52.2-2007. It shall be easily removable
from the front of the system by means of quarter-turn fasteners and shall not require system
shutdown for service.