AFAM System & AFAM+
169
Figure 63: Setpoint Menu Screen Flow Diagram
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 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 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.
Note: All screens are not present on all units.
The screens that display on the controller are
determined by the controller software setting
and the options installed on the unit.
Setpoint Menu
Enter a Temperature
Setpoint, Humidity
Setpoint, Defrost Term.
Temp., Defrost Time
Setting or Delta T
Activate Bulb, USDA
Trip, Economy or
Humidity Control
Mode
• Press F4 key.
• Type the new setpoint or setting.
• Press and hold F4 key until cursor
stops flashing.
• Press F4 key.
• Press F2 key to toggle setting
between off and on.
• Press and hold F4 key until
cursor stops flashing.
Standard Display
OPTI-SET
TEMP SETP.
BULB MODE
DEFROST TRM.
ECONOMY MODE
HUM CONTROL
HUM SETP.
AFAM
AFAM DELAY
AFAM RATE
O
2
MIN
CO
2
MAX
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.
To Next Page
Loading...
Need help?
General
