ABP Series |
Blower Purge Desiccant Air Dryer
26
AIRCEL PROGRAMMABLE CONTROLLER (APC)
Dryer Operations, Cont.
STEP NINE: Operation Screen
Vessel 2 is drying the inlet air (Vessel 2 inlet valve should
be open)…Vessel 1 has depressurized to 8 PSI preparing for
regeneration…solenoids SOL3, SOL5, SOL9 and SOL 12 energize
opening valves V3, V5, V9 and V12. Vessel 2 regeneration valves
V4, V6, V10, V11 and V13 along with Depressurization valve V8
and inlet valve V1 should be closed.
The screen will not be visible when the unit is in Service Mode
or Heatless Mode. If Service or Heatless Mode is activated
during this step, the unit will advance to the next step (Heatless
Mode) or the “Press to Proceed” button will appear (Service
Mode).
WARNING: If the screen is unlocked, the screen will not
advance nor will the “Press to Proceed” button appear when the
step is complete.
STEP TEN: Operation Screen
Vessel 2 is drying the inlet air (Vessel 2 inlet valve should be
open).
Vessel 1 is depressurized to 8 psi. Vessel 1 depressurization
valve V1 and regeneration valve K3 is open.
The blower and heater turn on and the heat regeneration
process now begins. The heating process cycle can operate
for up to a period of 172 minutes. If the regeneration outlet
temperature reaches 200°F during this cycle, the heater will
turn off (the blower will remain on) and the heating step
will terminate early saving additional energy. The PLC will
automatically advance to the heater cooling cycle.
If in service mode, the “Proceed to Next Step” will be displayed
on the screen once the Step is complete. If everything has been
verified in the step, press the “Proceed” button to proceed to
next step. This will allow an authorized service technician to
view operation of the system in a shorter time period.
WARNING: If the screen is unlocked, the screen will not
advance nor will the “Press to Proceed” button appear when the
step is complete.
This screen displays the temperature of the heater sheath,
heater outlet, and regeneration outlet, as well as the heat
regeneration time.
Note:
The “Service Mode Press to Proceed to Next Step”
button in red is a service fast cycle button to allow an
authorized technician to advance to the next step without
waiting for the step to finish.
WARNING: this button should not be operated unless
authorized by an Aircel Service technician and the valving
and operation is verified.
Содержание ABP Series
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