MP-3000 Controller
75
2. Press F2 key to scroll to “AFAM DELAY”
line. The current setting (“0”) appears in the
display.
3. To enter a new time delay, press the F4 key.
An Enter Arrow appears in the menu line and
the current time delay disappears.
4. Enter (type) the new time delay in the LCD
display using the general purpose keypad: 1 to
72 hours. The cursor moves to the right of the
screen as each key entry is acknowledged and
displayed.
5. Press and hold the F4 key until the cursor
stops flashing. The new time delay is recorded
in the controller and appears in the LCD
display.
6. Press ESC key to exit the Setpoint screen.
Changing the AFAM Rate
NOTE: The fresh air exchange rate should be
established by the shipper.
The AFAM rate sets the desired air exchange rate.
The actual door position is based on the AFAM
rate, the power supply frequency (Hertz) and the
VFD mode setting.
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 “AFAM RATE” line.
The current rate and units (e.g. “0 CFM”)
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:
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.
Changing the O
2
Minimum Setting
NOTE: The minimum O
2
rate should be
established by the shipper.
The O
2
rate sets the desired O
2
level in the
container when a gas sensor unit is installed. The
actual AFAM door position is based on the O
2
level, CO
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 “O2” line. The
current rate and units (e.g. “0%”) 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 21%.
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.
WARNING: The vent door and motor
actuator arm move immediately again
when the a delay is entered. Keep hands
and tools away from the air exchange
system components to prevent personal
injury or unit damage.
Units Rate Setting
CFM 0 to 168 Cubic Feet Per Minute
M3H 0 to 280 Cubic Meters Per Hour
PERCENT 0 to 100 Percent
WARNING: The vent door immediately
closes and re-opens to the new position
when a rate is entered. Keep hands and
tools away from the air exchange system
components to prevent personal injury or
unit damage.
WARNING: The vent door and motor
actuator arm may move immediately again
when the a rate is entered. Keep hands and
tools away from the air exchange system
components to prevent personal injury or
unit damage.