19
Heatless Desiccant Dryers
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Instruction Manual
Section 5:
Operation
Figure 5.2: Controller description
Z
Y
X
POWER
X
Left tower regenerating (Right tower drying)
Y
Right tower regenerating (Left tower drying)
Z
Drain solenoid
Power
Power connected to controller
Shut-down Procedure
• Close valve B.
• Close valve A.
• Leave dryer running for 15 minutes to fully depressurize.
• Switch off all electrical power to the dryer.
Under no circumstances must compressed air be
allowed to flow through the dryer following switch off
of electrical power. This will result in terminal failure of
the desiccant cartridges and regeneration will not be
possible.
When Illuminated
Figure 5.1: Typical installation
A
B
C
D
