MP-3000 Controller
76
Changing the CO
2
Maximum Setting
NOTE: The minimum CO
2
rate should be
established by the shipper.
The CO
2
rate sets the desired CO
2
level in the
container when a gas sensor unit is installed. The
actual AFAM door position is based on the CO
2
level, O
2
level and AFAM rate.
1. Press the S
ETPOINT key. The Setpoint menu
appears with the cursor in the “TEMP SETP”
line.
2. Press F2 key to scroll to “CO
2
” line. The
current rate and units (e.g. “2.5%”) appears in
the display.
3. To change the rate, press the F4 key. An Enter
Arrow appears in the menu line and the
current rate disappears.
4. Enter (type) the new rate in the LCD display
using the general purpose keypad: 0 to 25%.
5. Press and hold the F4 key until the cursor
stops flashing. The new rate is recorded in the
controller and appears in the LCD display.
Data Menu
NOTE: Information can ONLY be displayed
using the Data menu. Items can NOT be
changed. The screens that display on the
controller are determined by the controller
software setting and the options installed on the
unit. All screens are NOT present on all units.
The Data menu displays general unit operating
information including sensor temperatures, unit
electrical data, etc.
Viewing the Data Menu
With the UNIT ON/OFF switch ON and the LCD
display showing the standard display (setpoint):
1. Press F4 key for directly enter the Data menu.
Menu items appear in LCD display.
2. Press the F3 key to scroll the cursor down
through the menu list. The Data menu displays
the following functions:
• Supply Air Temperature, Right Hand
• Supply Air Temperature, Left Hand
• Return Air Temperature
• Evaporator Coil (Defrost) Temperature
• Condenser Coil Temperature
• KVQ Valve Setting
• Cool Capacity
• Ambient Temperature
• High Pressure
• High Pressure Temperature (Compressor
Discharge Line Temperature)
• Relative Humidity
• Battery Voltage
• Voltage Average (380/460V Power
Supply)
• Voltage 1 (Main Power Supply) (P1-P2)
• Voltage 2 (Main Power Supply) (P2-P3)
• Voltage 3 (Main Power Supply) (P3-P1)
• Frequency (Main Power Supply)
• Zero Current
• Current Phase 1 (Main Power Supply)
• Current Phase 2 (Main Power Supply)
• Current Phase 3 (Main Power Supply)
• O
2
• CO
2
• Fresh Air Exchange Rate
• Evaporator Fan Speed
• Low Pressure TX
• High Pressure TX
WARNING: The vent door and motor
actuator arm may move immediately again
when the rate is entered. Keep hands and
tools away from the air exchange system
components to prevent personal injury or
unit damage.