PSB NG-SR-21-4-DDP Instruction Manual page 20

K. Regen Statistics Screen
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This screen provides overall general information on quality of regeneration.
During regeneration process, information is accumulated for reference later.
Detailed information on each parameter is listed below.
Item Object
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NG-SR IOM
Description
Regen Time Shows overall cycle time to regenerate vessel. Used
Indicator to determine if cycle was interrupted or incomplete.
Regen Shows the last completed regeneration date. Date
Complete Date shown is when regeneration completes without
Indicator operator intervention.
Heater Duty Shows output of heater over entire "heating" portion
Indicator of cycle. Value shown is in a percentage of "ON"
time – 0% being completely OFF, 100% being
completely ON. Generally, a value around 60-80%
is acceptable and indicates a good amount of heat
has been used to regenerate vessel.
Ave Heater Show average temperature of heater. A value that
Outlet Indicator is within 50°F of setpoint (usually 425°F) will mean
that sufficient heat has been present to ensure
desiccant has been fully regenerated. Low
temperature may indicate cycle was interrupted, or
problem with excessive regeneration flow.
Max Bed Gas temperature exiting desiccant bed is monitored
Temperature by TE-2. This Indicator displays the highest
Indicator temperature that occurred during the regeneration
cycle. The higher the temperature, the more
moisture is removed from descant bed.
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PSB INDUSTRIES