Unit Description
31
Dual Voltage
A dual voltage system includes a 15 KVA auto
transformer and an 18.3 m (60 ft.) power cable for
operation on 230-190V/3 Ph/60-50 Hz power. The
power cable is stored below the control box in the
condenser section.
The 15 KVA auto transformer steps 230/190V
power up to 460/380V. The auto transformer
includes a 460-380V/3 Ph/60-50 Hz power
receptacle.
For operation on 230/190V power, plug the
460-380V unit power cable into the receptacle on
the auto transformer. Then plug the 230/190V
power cable into a 230-190V power supply.
Humidification Control System
An optional humidification system increases the
relative humidity in the container to the humidity
setpoint. The control range 60% to 95% while the
setpoint is adjustable from 0% to 99%.
Pressure Gauge Options
A high pressure gauge is available to indicate
condenser (high side) pressure. A low pressure
gauge is available to indicate compressor suction
(low side) pressure.
Remote Monitoring Modem (RMM)
A REFCON remote monitoring modem is
provided to permit remote monitoring via the
power cable. High speed transmission reads all
controller information. Data can also be retrieved
from the data logger via high speed transmission.
Remote Monitoring Receptacle
(4-Pin)
An optional 4-pin remote monitor connector
provides 24 Vac signals for bridge lights that
monitor Cool (Compressor On), Defrost and
In-range conditions.
Recording Thermometer Options
Several models of temperature recorders are
available for mounting on the unit. Each
temperature recorder is designed to withstand
widely varying environments including low and
high ambient temperatures, salt water, humidity,
fungus, industrial pollutants, dynamic loading,
rain, sand and dust.
• The 31-day Saginomiya Recorder is electric
motor driven by a dry cell type battery with a
1 year life expectancy.
• The 31-day Partlow Recorder is mechanically
driven by a spring mechanism.
• Partlow Recorder Sensor only.
TRANSFRESH Atmosphere Control
System Options
Several TRANSFRESH options are available to
meet individual customer needs. The
TRANSFRESH system provides a controlled
atmosphere within the container. By controlling
the container temperature and atmosphere, the
respiration rate of fruit and vegetables can be
lowered. This allows the product quality to be
maintained for longer periods of time.
TRANSFRESH Ready: Provisions for the future
installation and use of a TRANSFRESH
atmosphere control system are incorporated in the
unit. TRANSFRESH compatible A2
(power/defrost) and A3 (communications) cables
(without connectors) are factory installed.
Full TRANSFRESH Option: TRANSFRESH
system components are installed for use of a
TRANSFRESH atmosphere control system. In
addition to A2 and A3 cables (with connectors),
the security frame, security enclosure with
insulation block, TRANSFRESH supplied single
purge port, air hose and scrubber cable (A5, with
connectors) are factory installed. Purge port
includes a removable plug for charging the
container with a modified atmosphere.
USDA Cold Treatment Temperature
Recording
The MP-3000 controller includes provisions for
the use of three or four USDA sensors. These
sensors allow temperatures in various areas of the
load to be monitored and recorded for United
States Department of Agriculture use in
monitoring Cold Treatment shipments.
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