Page 81 - Load Bank Rentals

NAUTILUS 250R

250KW Resistive Water Cooled Load Bank

Description
Automatic thermostatic
The Simplex Nautilus-250 is a water- control allows operator to
cooled load bank designed expressly for enter value of temp rise.
data-center chiller commissioning and Controller then adjusts
testing applications. The Nautilus-250 flow rate to maintain that
is a compact, portable product featuring rise. Controller inhibits over
infinite power and water flow control temperature, greater than
for precise temperature rise setting 180°F outlet temp. Displays:
versus applied power. The Nautilus is AC 3-phase voltage
fully networkable for control of single or and current, frequency,
multiple units from a remote station. kilowatts. Alarms: high
outlet temp, low flow, high
Using a PLC with touchscreen HMI, pressure Messages: normal
integrated with temperature sensors operation, valve open, valve
and flow transducers and controlling an closed. Water Flow Control
electrically operated water proportioning Messages: water inlet temp,
valve, the Nautilus allows the operator water outlet temp, overall
to select precise power levels, versus temp rise, main manifold
water temperature rise versus water water flow rate, valve
flow rates. Power level is infinitely position in percent of open.
controllable over a 0-250kw range.
Capacity: 250 kW
Multiple Nautilus Load Banks can be
controlled from a single operator HMI. Voltage: 480vAC, 3-phase,
Software is available for control from a 3-wire
Windows- based PC, for data acquisition
and for full testing automation. Frequency: 60 Hertz

Features Load Steps: Infinitely
variable via digital control,
The load bank is a completely self- comprised of circuits as
contained, freestanding unit, which follows -
includes all resistive load elements, load kW: 0-25 – 25 – 50-50-50-
control, load element branch circuit fuse 50
protection, main load bus and terminals,
valves and fittings, control power supply, Duty Cycle: Continuous
malfunction detection system.
Ambient Temperature:
Control System: PLC control with 52°C
8-inch color TFT touchscreen HMI.
Screen is configured for local or remote Control Power: External,
operation. Remote requires 120v power Rental Duty
source.
via power inlet and power cord to 120v Variable Load Steps
Control Function: Master control on-off 15A outlet 480v Load Bank
button; keypad entry of load values,
apply and remove buttons; controller Cooling Requirements: Fresh water;
calculates reduced voltage load values Nominal 125 GPM supply yields approx. Water Connection: 2-inch, water inlet
automatically, applying actual requested 12.5°F rise at full power; Flow rate is and water outlet. Quick disconnect
load value for the applied voltage up infinitely variable to a max temp rise not couplings, shutoff ball valves.
to the reduced voltage capacity of to exceed 180°F outlet -
the load bank. Water Flow Control: KW = GPM x Temp. Rise (F) x .16 Enclosure: Environmental type 1
Either full on or thermostatic control. GPM = KW / (Temp. Rise x .16) freestanding, indoor, portable enclosure.
Thermostatic control is either manual or Temp. Rise (F) = KW / (GPM x .16) Aluminum frame clad with aluminum
to a temperature rise preset. Operator panels and doors. Front power
interface is a screen based vernier valve Weight: Approximately 1600 lbs full of connections. Rear water connections.
control with displays of valve position, water, 900 lbs dry Casters, forklift pads, lifting eyes.
flow rate, temp in, temp out, temp rise. Powder coated white cabinet, blue
doors. 72H x 24W x 36D

© 2021 Simplex, Inc. All Rights Reserved. SIMPLEX INC.
Printed in the USA • 2103-02.00 • Page 81 5300 Rising Moon Road, Springfield, IL 62711 • simplexdirect.com • 800-637-8603
Design subject to change without notice. Nationwide Manufacturing (ISO9001: 2015 certified)