Barnstead 47900 Operation Manual page 30

8 S & 4 16 S
EGMENT X
Note
The program ramp rate is designed to
reduce the heatup rate or cooling rate
that the furnace normally exhibits. When
not using this feature, the furnace will
operate at its maximum heating and
cooling capability.
Note
When the program ramp has ended or
has been reset, the furnace will continue
to maintain setpoint temperature. It will
not cool to ambient temperature unless
the setpoint is set to ambient tempera-
ture by the program or by the operator.
30
P
EGMENT ROGRAMMABLE
M /OTP
ODELS W
2. Press the SCROLL button until display
reads,"CYC.n."
3. Press the UP or DOWN button to select
the number of cycles you want to run or,
press the DOWN button to select "cont."
so the program will run continuously.
Setting the Segment Type
There are five segment types. Proceed with the
following steps according to the type of segment
you have selected.
rmP.r (Ramp)
To ramp linearly at a set rate to a specified tem-
perature:
1. Press the PAGE button until you reach
the program list (ProG LiSt).
2. Press the SCROLL button until display
reads,"tYPE."
3. Press the UP or DOWN button until dis-
play reads, "rmP.r."
Steps 4 and 5 are used in the 4 program model
only. If you are using an 8 segment program, skip
to step 6.
4. Press the SCROLL button until display
reads "Hb."
5. Press the UP or DOWN button to toggle
between "bAnd, Hi, Lo and OFF."
6. Press the SCROLL button until display
reads, "tGt."
7. Press the UP or DOWN button to set a
target setpoint.
8. Press the SCROLL button until display