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4-22 l Operation
Autotuning
Follow the procedure below to “Autotune” the HTC.
1 Use the selector switch and put the HTC control into “Standby”.
2 Adjust the setpoint to a “Normal” setting.
3 Establish the normal operating air flow.
4 Access the Process menu by pressing and holding the Scroll and Plus
keys for 2 seconds until “Process” is displayed.
5 Press the Scroll key until “Tune Off” is displayed.
6 Press the Plus key and “Tune Set” is displayed. If the control remains on
screen 6, the difference between the setpoint and the actual temperature is not
at least the required minimum.
7 Enable the heater after the system stabilizes. The following will display
when autotuning starts.
8 When autotune is complete, “Tune Done” is displayed and the heater is
placed in the Standby mode.
9 Note the
“Pb”,
“int”, and “dEr” values (screens 11, 12, and 13).
Pro
cES
tun
OFF
tun
SEt
tun
Hr.u
tun
don
✒
Tip: Conair recommends
that the autotune should
be run from a cold start.
The minimum temperature
difference between the
start temperature and the
autotune and setpoint tem-
perature you will be run-
ning should be 50ºC
(122ºF).