P/N 3141959_C
3-1
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
FNGSC-A Self Contained Merchandisers
START UP / OPERATION
Perform the following steps:
Remove the machine compartment cover to
access the controller box as shown in Figure 1 .
Identify the controller power switch location .
See Figure 1 . This switch feeds voltage to the
controller
Flip the main switch to “
OFF
”, then back to
the “
ON
” position .
• Controller display will start blinking
(Figure 2) .
Then, press and hold the button (Item #4
in Figure 3) .
• This step needs to be done in no more
than 3 seconds, or the process will fail .
• “AP1” is the medium temperature
application settings . “AP2” is the low
temperature application settings .
Navigate in the applications (AP1 - AP8) by
using
UP
or
DOWN
buttons (Figure 3) .
Select the desired application by pressing
, or cancel the operation by pressing
the
POWER
key or by time out .
• The word “run“ will appear on the display
screen (Figure 4) .
• If operation is successful, the display will
show “YES” (Figure 5), if not, it will
show “NO” .
• After that, display will start blinking for
a few seconds, which means operation
has completed successfully .
Once the merchandiser is running under the desired
application (MT or LT), there will be a defrost cycle
performed (Green snowflake symbol) .
After coming out from defrost cycle, the system
goes to refrigeration mode showing the Blue
snowflake on the display . (Continued on next page .)
Switch
Controller
Keypad
Blinking Display
Figure 2
Controller Display
Figure 3
“run”
Figure 4
“YES”
Figure 5
Medium Temp.
App. Setting
CHANGING BETWEEN MEDIUM & LOW TEMPERATURE APPLICATIONS
The case is factory pre-programmed with 2 sets of controller settings . One applications is low
temperature, which is for frozen food . The second application is medium temperature . The case is
default programmed with low temperature setting from the factory .
Machine Compartment
Figure 1
1.
2.
3.
4.
5.
6.
