Level 1 controllers, 5 setting the high temperature alarm, 6 temperature controller internal switches – AEC WD 350 through WD3000 Dehumidifying Dryers User Manual

Page 45

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6-5 Setting the High Temperature Alarm

To change the process air temperature alarm setting:

1. Press

twice.

2. When the

AL

LED lights, press

and

to set the high temperature alarm value

you want.

Note: The high temperature alarm value is a deviation of the process air temperature set point.

The alarm value tracks the set temperature. If the high temperature alarm is set to

25

, a

high temperature alarm occurs if the process air temperature rises more than 25° above
the process air temperature set point.

3. Press

again to restore.

The process air temperature readouts display.

The high temperature alarm is now set.

6-6 Temperature Controller Internal

Switches

The controller is set up and tested at the factory for optimum
operation, and the internal switches don’t need adjustment. If the
controller doesn’t work properly, or if you suspect that someone
has accidentally changed your settings, see Section 7-8 on Page 54
for more information.

6-7 Enabling the Temperature Controller Anti-

Tamper Lockout Switch

Level 1 Controllers

The

PROTECT OFF

slide switch prevents unauthorized changes to set points. If the switch is in

the

ON

position, the

Down

arrow,

Up

arrow, and

Mode

keys are disabled. You

are only able to view the process set point and alarm settings. WD dryers are set at the factory
with protection turned

OFF

.

ON

disables all front panel keys.

Page 44

WDMR and WDFR Series Dehumidifying Dryers

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