AEC HE Mass Flow Series Drying hoppers - Manual (Page 30)

HE
• CHE • BCHE Mass Flow Series Drying Hoppers
Page 29
5-4 Using the Temperature Controller Anti-Tamper
Lockout Switch
The anti-tamper lockout slide switch prevents unauthorized changes to set points. If the SW101
switch is On , the Level , Down , Up , and
AT
AT keys are disabled. Only
the process set point and alarm settings may be viewed. Your unit is factory-set with the
protection turned
Off .
To enable the lockout feature:
1. Disconnect main electrical power to the dryer.
1. Press up the latch at the bottom of the control module’s front panel and slide out the
control chassis.
2. Locate the slide-type switch marked SW101 {PROTECT} on the left
circuit board. Slide it to ON .
3. Slide the chassis back into the control module housing. Tamper protection will now be
enabled.
5-5 Changing the Display from Fahrenheit to Celsius
To change the display from the factory °F setting to °C:
1. Disconnect main electrical power to the dryer.
1. Press up the latch at the bottom of the control module front panel and slide out the control
chassis.
2. Locate DIP switch SW201 {FUNCTION} on the right circuit board.
Slide the #5 pin to OFF .
1. Slide the chassis back into the control module housing.
2. Cover the °F label with the °C sticker included in the information packet.
5-6 Setting the Process Air Temperature
To change the process air temperature set point:
„ Press the
Up button to raise the set point.
„ Press the
Down Button to lower the set point.
OFF ON
SW101 {PROTECT}
1 2 3 4 5 6
ON
SW201 {FUNCTION}
ºC