Barnstead International Thermolyne 859 Series, Service Manual

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month and then the day. Example: May 16th
would be entered 5/16. Then press ENTER.
The “wake-up” date is now set.
3. You may now proceed to enter the “wake-up”
time.
If at any time you wish to disable the timer, press the
START/STOP button.
Interrupting the Timer Mode
(Same as before.)
Inactivity Mode
By using the hidden key feature with the “Timer” key, you
can select the Inactivity Mode. This mode allows the fur-
nace to “wake-up” at the programmed time and date, but
if the user does not press any keys for a period of 4
hours, the unit will shut down and “In Ac” will be displayed
in the chamber temp display. The unit will remain shut
down until the user presses the START/STOP key.
Pressing the START/STOP key will set the unit into its
normal idle mode.
The Inactivity Mode is a valuable feature should the unit
be placed in a remote location, and the operator is not
able to return due to unexpected circumstances such as
inclement weather. The unit will remain shut down until
the user presses the START/STOP key.
Test Interrupt/ Power Interrupt
If the power to the furnace is interrupted during an ignition
test, and then restored—the furnace will continue the test
but will print the following information on the ticket:
[Results Invalid]
Test Interrupted
Time: XX:XX:XX
The elapsed time will restart at 1 and continue to count
up. The software will continue to monitor the weight loss
and recognize the endpoint to end the test.
This feature will prevent smoke from entering the lab
should a power interrupt occur. Once power has been
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ROCEDURES
Note
The timer format is European or
Military time so to enter a wake-up
time of 5:00 a.m. you would input 500
and then press ENTER. A wake-up
time of 5:00 p.m. would be inputted as
“17:00” then press ENTER. The start
up time and date are now entered.