i. Back Up System Type
This function, which is only available on freezers with the
optional BUS (back up system), allows the user to select which
type of gas is injected into the freezer chamber. The options are
CO
2
and LN
2
.
1. Press the Mode key until the Configuration indicator
lights.
2. Press the right arrow until BUS TYPE CO2 or BUS
TYPE LN2 is displayed in the message center.
3. Press up/down arrow to toggle between the two display
selections.
4. Press Enter to save.
g. Setting an Access Code
To set the Access Code:
1. Press the Mode key until the Configuration indicator
lights.
2. Press the right arrow until “SET ACC CODE” is dis-
played in the message center.
3. Press Enter.
4. The message center will display ACC CODE = 000.
Press the up/down arrow until the desired access code is
displayed (000 - 999). Press the left/right arrow to select
digit 1, 2, 3.
The left and right arrow keys are used to move from the first
through the third digits within the access code.
5. Press Enter to save the setting
6. Press the Mode key until the Run indicator lights.A 3-
digit Access Code can be entered to avoid unauthorized
personnel from changing the set points, calibration, or
configuration. A setting of 000 will bypass the access
code. The factory setting is 000.
h. RS485 Address
If the freezer is configured for RS-485 communications, it
will need to have a unique identification address. This address
is set through the Configuration mode.
1. Press the Mode key until the Configuration indicator
lights.
2. Press the right arrow until RS485ADDR is displayed in
the message center.
3. Press Enter. The message center will display
485 ADDR XX.
4. Press up/down arrow to select the appropriate address
for the freezer (1 - 24).
4. Press Enter to save.
8600 Series _________________________________________________________________________________Configuration
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