4-22 l Operation
Autotuning
Follow the procedure below to “Autotune”the HTC.
1Use the selector switch and put the HTC control into “Standby”.
2Adjust the setpoint to a “Normal” setting.
3Establish the normal operating air flow.
4Access the Process menu by pressing and holding the Scroll and Plus
keys for 2 seconds until “Process”is displayed.
5Press the Scroll key until “Tune Off”is displayed.
6Press 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.
7Enable the heater after the system stabilizes. The following will display
when autotuning starts.
8When autotune is complete, “Tune Done” is displayed and the heater is
placed in the Standby mode.
9Note 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).