Thermo King 098916, Руководство по обслуживанию

Страница: 89 / 196

Operating Instructions
88
NOTE: During unit startup, the AFAM delay
prevents the AFAM door from opening until the
delay times out. The AFAM delay prevents the
AFAM door from opening due to the AFAM Rate
or CO
2
system settings.
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 [AFAM
DELAY] line. The current setting (“0”)
appears in the display.
3. Press the F4 key to enter a new time delay,.
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 the
ESC
key to exit the Setpoint screen.
Change 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 and the power supply frequency (Hertz).
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 [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.
1. Gas Sensor Assembly (Mounts in Evaporator)
2. Vent Door Assembly and Damper Motor
3.
Interface Board and Cable (Mounts in Control
Box)
Figure 48: AFAM+ System
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.
AXA0251
1
2
3
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.