15
UNIT DESCRIPTION
The MAGNUM+ container unit features the
following components:
• Scroll Compressor
• Compressor Digital Control Valve
• Economizer Heat Exchange System
• Temperature Sensors
• Fresh Air Exchange System
• Receiver Tank Sight Glass
• Evaporator Fans
• Condenser Fan Control
• Suction/Discharge Pressure Sensor
(Optional)
• Remote Monitoring Receptacle Option
(4-pin) (optional)
• Remote Monitoring Modem (RMM,
RMM+) (Optional)
• USDA Cold Treatment Temperature
Recording (Optional)
• Advanced Fresh Air Management (AFAM)
and Advanced Fresh Air Management Plus
(AFAM+) (Optional)
MP-4000 Controller
The MP-4000 is an advanced microprocessor
controller that has been specially developed for
the control and monitoring of refrigeration
units. See “Controller Description and
Operating Chapter” for more detailed
information.
1. MP-4000 Controller
Figure 2: MP-4000 Controller