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

Table of Contents

Questions and Answers:

C
Chelsey YatesAug 20, 2025
What to do if SPX FLOW HBP displays a high humidity alarm?
- D
  dcarterAug 20, 2025
  If your SPX FLOW Dehumidifier displays a high humidity alarm, it could be due to several reasons. The desiccant bed might be overloaded, which can happen if the inlet air flow rate or temperature is higher than the design specifications, or if the pressure is lower. Another possibility is a damaged or defective dew point sensor or monitor; examine the sensor for physical damage and check its operation. Finally, there could be a loss of desiccant drying capacity, often caused by improperly filtered inlet air leading to desiccant contamination; in this case, examine the filter elements and drains, and repair or replace them as necessary.
L
Lisa PayneAug 23, 2025
What causes a Blower Motor Overload Alarm in SPX FLOW HBP Dehumidifier and how to fix it?
- S
  Samantha BerryAug 23, 2025
  A Blower Motor Overload Alarm in your SPX FLOW Dehumidifier can be caused by: * Restricted or blocked purge air flow, which means you should examine the intake filter element on the blower and clean or replace it. * A line failure, in which case you should check the voltages and currents in the motor circuit.
K
Karina HudsonAug 29, 2025
Why SPX FLOW HBP Dehumidifier displays a Heater Over-Temperature Alarm?
- C
  Cynthia PetersAug 30, 2025
  A Heater Over-Temperature Alarm on your SPX FLOW Dehumidifier may be due to insufficient purge gas flow (check for purge blockage or temperature sensor failure) or a temperature sensor failure (repair or replace as required).
K
Kelly TaylorSep 1, 2025
Why SPX FLOW HBP Dehumidifier displays a Heater Low-Temperature Alarm?
- T
  Tammy ClarkSep 1, 2025
  A Heater Low-Temperature Alarm on your SPX FLOW Dehumidifier can be caused by a heating malfunction due to heater failure or heater contactor failure (replace the heater or heater contactor), or a temperature sensor failure (repair and replace as required).
E
Elizabeth HunterSep 3, 2025
What causes a Low Pressure Alarm in the left or right regenerating tower of SPX FLOW HBP?
- M
  Michelle PalmerSep 4, 2025
  A Low Pressure Alarm in the left or right regenerating tower of your SPX FLOW Dehumidifier can be caused by a faulty left tower pressure switch (check its operation and replace if defective), a regenerating tower purge exhaust valve failing to close (check for airflow), a regenerating tower depressurization valve failing to close (check for airflow), a repressurization valve (V11) failing to open (examine the valve for damage and repair or replace), or blocked repressurization orifices (check for obstruction and clean).
J
Jack BallardSep 6, 2025
What causes SPX FLOW HBP Dehumidifier to have excessive pressure drop?
- L
  lisaandersonSep 6, 2025
  Excessive pressure drop in your SPX FLOW Dehumidifier can be caused by dirty inlet/outlet screens on the desiccant towers (clean the screens following desiccant removal instructions) or an excessive flow rate (check and reduce the inlet air flow rate to the design flow rate).
R
Roger CalhounSep 8, 2025
Why the indicator lights are not illuminated on my SPX FLOW HBP?
- E
  Elizabeth LoganSep 8, 2025
  If the indicator lights on your SPX FLOW Dehumidifier are not illuminated, it could be due to several reasons: no power to the unit (check the voltage at the terminal board), loss of power supply to the dryer's electrical disconnect switch or breaker (check if the switch or breaker is closed, and investigate/remedy the cause if tripped), a blown fuse (replace the fuse), or a board malfunction (replace the board).
R
Ronald AdamsSep 12, 2025
What does it mean when SPX FLOW Dehumidifier shows a Temperature Under-Range or Over-Range Alarm?
- M
  Mark EspinozaSep 12, 2025
  If your SPX FLOW Dehumidifier displays a Temperature Under-Range or Temperature Over-Range Alarm for either tower, it could be due to a tower temperature sensor failure. Check the temperature circuit for continuity and repair or replace the sensor as necessary.
K
Kevin GrantSep 12, 2025
What to do if SPX FLOW HBP displays an Energy Management Under-Range or Over-Range Alarm?
- S
  Steven MartinSep 13, 2025
  If your SPX FLOW Dehumidifier displays an Energy Management Under-Range Alarm or Energy Management Over-Range Alarm, it is likely due to an Energy Management sensor failure. Check the circuit for continuity and repair or replace the sensor as necessary.
M
monica90Sep 15, 2025
What does it mean if SPX FLOW HBP shows a Dew Point Under-Range or Over-Range Alarm?
- J
  Jamie PalmerSep 15, 2025
  If your SPX FLOW Dehumidifier shows a Dew Point Under-Range or Dew Point Over-Range Alarm, it indicates a failure of the Energy Management temperature sensor (RTD4). Check the temperature circuit for continuity and repair or replace as necessary.

SPX FLOW HBP Series Specifications

General

Brand	SPX FLOW
Model	HBP Series
Category	Dehumidifier
Language	English

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