2216 Controller
4
MC11 – 1.05
2.4
Altering the Setpoint
With the display at “home”, showing the measured temperature, press Down
or Up
once to
display the setpoint; press again or hold down to adjust it. The display returns to the measured
temperature when no key is pressed for 0.5 seconds.
2.5
Altering the Ramp Rate
It is possible to limit the rate of heating by setting a ramp rate. Press Scroll
until the legend
SPrr
(SetPoint ramp rate) is displayed. Use Down
or Up
to display and adjust the value.
The ramp rate sets the maximum rate of heating or cooling in degrees per minute. A value of
OFF
cancels the ramp rate, allowing heating and cooling at the maximum rate. When this feature is in
use, there is a “working setpoint” which can be viewed at any time by scrolling to
w.SP
and
pressing
or
.
Fig 1 and fig 2 indicate the possible difference between running without and with a ramp-to-
setpoint value (depending on the load and the value used).
2.6
2216 Navigation Diagram
OP.Hi
SPrr
Home
List
Output
List
Access
List
1000
1
000
oP
ACCS
OP
codE
*C
*C
setpoint ramp rate
OFF or value
power limit
setting, if
present
output power,
read only
measured temperature
and setpoint; use
/
to alter setpoint
for factory access to
lists and parameters
not available to the
operator
