Technical data

Ship-Loose Accessories—Field-Installed
5Liebert
®
DataMate
™
4.0 SHIP-LOOSE ACCESSORIES—FIELD-INSTALLED
The Condensate Pump is field-mounted internal to the unit and wired to the unit power block or is
field-mounted external to the unit with power from unit or external power supply. Pump is complete
with integral float switch, discharge check valve, pump, motor assembly and reservoir. A secondary
float can be field-wired to shut down the unit upon high condensate level.
The Canister Humidifier Kit can be field-installed to customize cooling only or reheat only units.
The kit includes full installation instructions and are designed to be added to the evaporator unit
before it is mounted on its wall or floor location.
The 277V Step-Down Transformer is available for units needing 277-1-60 input power; one each
for evaporator section and remote condensing section (37.5A max. each). Use one 37.5A transformer
for 1-1/2 or 2-ton self-contained water/glycol systems; use 50A transformer for 3-ton self-contained
water/glycol systems. Epoxy-encapsulated, transformer is suitable for either indoor or outdoor
service.
Pre-Charged Refrigerant Line Set (R-407C) contains an insulated copper suction line and a
copper liquid line for interconnection of the indoor and outdoor sections. Available in 15-foot (4.5m)
and 30-foot (9m) sections for interconnection of evaporator to remote condensing unit without brazing.
Maximum recommended combined line set length is 45 ft.(13.7m).
The Refrigerant-Line Sweat Adapter Kit contains two suction and two liquid line fittings that
allow field-supplied refrigerant piping between the evaporator and condensing unit.
A Remote Temperature and Humidity Sensor package includes sensors in an attractive case
with 30 ft. (9 m) of cable. Can be wall or duct mounted. Remote sensors should be used when the wall
box is not located in the space to be conditioned.
NOTE
Installing the remote sensors disables the sensors included in the wall box.