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UniflairAir Cooled Room Cooling

LDAV

UniflairAir CooledRoom CoolingLDAV

precisionair conditionersfor IT and mission criticalapplications.

Cooling capacity: 60 ÷140 kW

Air-cooled

Fixed speed scroll compressors

Downflowconfiguration

RefrigerantR410A

EC fans

UniflairDirect Expansion Air Cooled with Fixed

Speed scroll compressors

60 140 kW

Electrical panel

Three-phase power supply 400 V/3 Ph+N/50 Hz for

all the units with a single or a double power supply Low voltage secondary circuit 24 Vacwith isolation transformer

Metal isolating screen for protection from live

components

General isolator with mechanical interlock

Thermo magnetic circuit-breakers for protection

Terminal board for no-voltage signal and control

contacts

Air filters

Standard high efficiency EU4-pleated air filters housed in a dedicated plenum box

Dirty filter differential pressure switch

Low airflow differential pressure switch

Fixed speed scroll compressor

High energy efficiency in full load

conditions

Extended operating conditions

Equipped with Intermediate Discharge

Valves (IDVs)

System Architecture: standard features

New microprocessor controller

7-inch, touch-screen LCD display interface

Integrated management of the EEV and

refrigerating circuit parameters

Full management of the condenser status including

single fan status

Grouping logic integrated

RS485 and TCP/IP card bus integrated targeting

the main communication protocols

Native communication with StruxureWare system,

NetBotzremote sensors

USB and Service port integrated in the display

interface

Electronically Commuted Radical fans

High-tech compound material impellers with

optimized flow control

High efficiency Green Tech EC motors

Low power consumption

High part-load efficiency

Fan speed regulation by Modbus signal

Regulate airflow based on actual thermal load

Easy serviceability with quick removal kit

Cooling coil

Heat exchanger coils designed for high sensible

heat ratio (SHR) and reduced pressure drops

Made from copper tubes mechanically expanded

on aluminum fins

Hydrophilic coil coating

Frame

Self-supporting frame in galvanized steel with

panels

External panels coated with RAL9003 epoxy-

polyester paint

Internal panels with captive screws

Internally lined with heat and sound-proofing

insulation

Refrigeration circuit inspection with unit active

Side panels with coil inspection opening

Mainconfigurableoptions

Power supply

Single power supply

Double power supply with automatic

commutation to provide redundancy and ensure a constant power supply

Construction options

Top air return with bottom or front discharge

for downflow units (without additional floor stands)

Standard, cleanable or low conductibility

humidifier (cooling + humidification configuration)

Condensate drain pump (cooling only and

cooling + dehumidification configurations)

Standard electrical heaters with extended fins,

complete with double safety thermostat and manual resetting

EU4 (standard) or EU5 air filters with or

without motorized damper

Power phase capacitors

Energy meter and CO2emission calculator

Automatic Floor Pressurization System

through Active Floor Control (AFC)

Air-cooled remote condensers (OCC)

R410A refrigerant

Vertical or horizontal installation

Low-speed axial fans compliant with ERP2015

Versions with electronically commutated (EC)

motor to reduce the sound pressure level (optional)

Fan speed regulator works exclusively via

Modbus commands

Coil protection treatment for aggressive

ambient (optional)

Low temperature versions to operate down to -

40°C (optional)

Air-cooled remote condensers (OCC)

R410A refrigerant

Vertical or horizontal installation

Low-speed axial fans compliant with ERP2015

Versions with electronically commutated (EC)

motor to reduce the sound pressure level (optional)

Fan speed regulator works exclusively via

Modbus commands

Coil protection treatment for aggressive

ambient (optional)

Low temperature versions to operate down to -

40°C (optional)

Technical data LDAV

1: Gross cooling capacities; fans must be deducted to obtain net cooling data.

2: Data refer to nominal conditions: Room at 35 °C 30% RH, condensing temperature 45 °C.

LDAV models2422A2522A2722A3822A

Fan typeEC backward-curved centrifugal motor fan

Power supplyV/ph/Hz400 / 3ph / 50 Hz

Fansnr.2223

Air flow m3/h20000243002600027000

Gross total cooling capacity1,2kW97.5106.2115.8156.1 Gross sensible cooling capacity1,2kW 97.5106.2115.8156.1

Fan power consumption1,2kW3.003.484.154.24

Compressor Power ConsumptionkW16.716.318.929.9

Dimensions

LDAV models2422A2522A2722A3822A

Heightmm2150215021502150

Lengthmm2082265026502650

Depthmm900900900900

December2019

se.com/cooling

© 2019 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.

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