833-3577 CB-FALCON SYSTEM OPERATOR INTERFACE
65-0296—01 8 750-241
Fig. 10. Login required.
The 833-3639 also maintains a password timeout that limits
the scope of the password entry. Once a password is
successfully entered the 833-3639 starts an internal timer that
expires after 10 minutes of inactivity. After the timer expires,
the user is required to re-enter a password before a parameter
can be changed.
The user is not required to enter a configuration password for
a parameter that has a lower access level than the access
level achieved by an earlier password entry for any
configuration group (as long as the user stays in the
configuration pages). The user only needs to enter a
password once until a parameter that has a higher access
level is selected.
The user enters the password from a keyboard as shown in
Fig. 11. After the password is entered, the OK button is
selected. The Cancel button aborts the password login.
Fig. 11. 833-3639 login.
Three levels of write access to 833-3639 parameters are
permitted. Each access level has defined rights when
interfacing with configuration and status parameters in the
833-3639.
• End user: the lowest access rights (no password login).
The end user can, in most cases, only read or view 833-
3639 parameters. In some instances the end user can
change 833-3639 parameters, e.g., change the CH
setpoint.
• Installer: the next highest level. The installer can read all
833-3639 parameters and change most 833-3639
parameters. This access level is used to customize the
833-3639 for a particular installation.
• OEM: the highest access level. The OEM can read and
change all 833-3639 parameters, as well as change sensor
limits and burner control safety parameters.
Different passwords exist in the 833-3639 for each access
level. The end user level requires no password, but the
installer and OEM levels have unique passwords defined for
them. The 833-3577 validates all password entry attempts
with the 833-3639, but doesn’t conduct the validation itself.
833-3639 has sole responsibility to accept a password entry.
The 833-3577 gets information from each 833-3639 about the
access level settings for the status and configuration
parameters.
The installer and OEM passwords can be changed in the 833-
3639 after logging in with the current password. When the
password is changed at the 833-3577 it is saved in the 833-
3639 and effective for all future logins.
NOTE: Each 833-3639 in a multi-boiler configuration has its
own set of installer and OEM passwords. To avoid
user confusion the passwords should be changed to
the same setting in all 833-3639s, but there is no
requirement to do so.
WARNING
Explosion Hazard.
Improper configuration can cause fuel buildup and
explosion.
Improper user operation may result in PROPERTY
LOSS, PHYSICAL INJURY or DEATH.
The 833-3577 System Display used to change
parameters, must be attempted by only experienced
and/or licensed burner/boiler operators and
mechanics.
Change Parameter Settings
Change parameter settings by selecting the parameter on the
page. A dialog box displays for the parameter with controls
allowing the user to change the value (see Fig. 12). After
changing the setting to a new value, press the OK button.
Pressing the Cancel button leaves the parameter unchanged.
The changed setting is reflected on the screen and sent to the
833-3639 when the OK button is pressed.
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