Thermo King 098916, Maintenance Manual

Page: 91 / 196

Operating Instructions
90
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 the
ESC
key to exit the Setpoint screen.
Change the CO
2
Minimum and
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 and AFAM delay.
1. Press the
S
ETPOINT
key. The Setpoint menu
appears with the cursor in the [TEMP SETP]
line.
2. Press the F2 or F3 key to scroll to “CO
2
” line.
The current rate and units (e.g. “2.5 percent”)
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 percent for Minimum
0 to 25 percent for Maximum
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.
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.