SPX FLOW HBP Series - User Manual

SPX FLOW HBP Series

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MODELS

RATED

FLOW

MODEL

REFERENCE

HBP500

HBP600

HBP750

HBP900

HBP1050

500 SCFM

600 SCFM

750 SCFM

900 SCFM

1050 SCFM

500

600

750

900

1050

HBP1300

HBP1500

HBP1800

HBP2200

HBP2600

1300 SCFM

1500 SCFM

1800 SCFM

2200 SCFM

2600 SCFM

1300

1500

1800

2200

2600

HBP3200

HBP3600

HBP4300

3200 SCFM

3600 SCFM

4300 SCFM

3200

3600

4300

HBP Series

Blower Purge Desiccant Compressed Air Dryer

FORM NO.: 3158050 REVISION: 12/2017 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

INSTRUCTION MANUAL

Questions and Answers

J
Justin ValentineNov 17, 2025
What to do if the SPX FLOW Dehumidifier has an outlet dew point alarm?
- T
  timothy44Nov 17, 2025
  If your SPX FLOW Dehumidifier is showing an outlet dew point alarm, several factors could be the cause. First, the inlet air flow might be higher than the sizing condition; if so, reduce the inlet flow. Second, there might be liquids entering the dryer inlet; inspect the prefilter and drain valve, and clean, repair, or replace the automatic drain valve as necessary. Third, the inlet air temperature could be too high; check the compressor aftercooler and cooling system, and reduce the inlet air temperature. Other potential causes include desiccant dusting (check air pressure, airflow, and surges, and replace desiccant if needed), contaminated desiccant (check prefilter and drain valve, replace the prefilter element, and clean/repair/replace the drain valve), a heater temperature set too low...
A
Adam WilliamsNov 24, 2025
Why SPX FLOW HBP has a Low Pressure Alarm in the left or right drying tower?
- R
  rachelbaileyNov 24, 2025
  A Low Pressure Alarm in the left or right drying tower of your SPX FLOW Dehumidifier may occur due to several reasons: a loss of dryer air supply (check the compressor), excessive air demand (check equipment downstream), a faulty drying tower pressure switch (check its operation and replace if defective), a drying tower inlet valve failing to open (examine the valve and actuator for damage and repair or replace), a drying tower purge exhaust valve failing to close (check for airflow indicating it's not completely closed), a drying tower depressurization valve failing to close (check for airflow), a regenerating tower outlet check valve failing to close (examine valve internals and repair or replace), or a drying tower purge check valve leaking (examine valve internals and repair or replace...
K
kylestoneNov 26, 2025
What causes a High Pressure Alarm in the left or right regenerating tower of SPX FLOW Dehumidifier?
- F
  Frances GarzaNov 27, 2025
  A High Pressure Alarm in the left or right regenerating tower of your SPX FLOW Dehumidifier can be triggered by several issues. It could be due to a faulty regenerating tower pressure switch; check its operation and replace it if defective. The regenerating tower depressurization muffler might be clogged, requiring you to examine the inner core and clean or replace it. Another cause could be the regenerating tower depressurization valve failing to open; check the valve operation and repair or replace it if possible. Also, the regenerating tower purge exhaust piping might be obstructed, so ensure it is free of obstructions. Finally, the regenerating tower purge exhaust valve or the repressurization valve (V11) may have failed to open due to loss of pilot air; ensure the manual drain valve o...

SPX FLOW HBP Series Specifications

General

Brand	SPX FLOW
Model	HBP Series
Category	Dehumidifier
Language	English

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