HANKISON SPX HES1250 User Manual

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HES Series

Energy Saving Refrigerated Type Compressed Air Dryers

Models: HES800, HES1000, HES1250, HES1500, HES1750, HES2000, HES2500, HES3000

FORM NO.: 5001364 REVISION: 04/2015 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

INSTRUCTION MANUAL

Table of Contents

Questions and Answers:

J
Jessica BaldwinAug 18, 2025
How to fix water downstream of HANKISON SPX HES1250 Dehumidifier?
- J
  Jill AtkinsonAug 18, 2025
  If there's water downstream of your HANKISON Dehumidifier, try these steps: * Blow out the system with dry air. * Check the valve positions and ensure they're correct. * Verify the connections are properly made. * Insulate or heat trace any air lines exposed to low temperatures, or use dry air to lower the dew point. * Install a separator ahead of the dehumidifier. Also, refer to section C for additional troubleshooting steps.
E
Elizabeth VillarrealAug 20, 2025
What to do if HANKISON SPX HES1250's ambient temperature is too high?
- G
  Gary BradleyAug 21, 2025
  If the ambient temperature is too high, the condenser fins are clogged, there's obstructed flow across the condenser, or the fan motor or fan control switch is faulty in your HANKISON Dehumidifier, check the air temperature 6 inches in front of the condenser. Clean the condenser and ensure free airflow. Also, inspect the fan and switch operation.
B
Brandon ThomasAug 23, 2025
How to resolve high pressure drop across HANKISON Dehumidifier?
- A
  Andrew ArcherAug 23, 2025
  To address a high pressure drop across your HANKISON Dehumidifier, you can check the flow rate and replace the filter element. Also, refer to section C for additional guidance.
A
Ashley RobertsAug 26, 2025
What to do if the service interval specified has elapsed on HANKISON SPX HES1250?
- J
  Jasmine FreemanAug 26, 2025
  If the service interval specified for your HANKISON Dehumidifier has elapsed, perform the scheduled service.
J
Jennifer PinedaAug 28, 2025
What to do when HANKISON SPX HES1250 Dehumidifier shows control system error?
- M
  Monica MillerAug 28, 2025
  If you encounter a control system error with your HANKISON Dehumidifier, contact a qualified technician or the manufacturer’s service department for assistance.
K
Kristin DavisAug 30, 2025
What to do if HANKISON SPX HES1250 Dehumidifier drain line restricted or frozen?
- A
  amyrobertsAug 30, 2025
  If the drain line of your HANKISON Dehumidifier is restricted or frozen, open the drain line to resolve the issue.
A
Andrew CaseySep 2, 2025
What to do if HANKISON SPX HES1250 is overloaded?
- E
  Emily ThompsonSep 2, 2025
  If your HANKISON Dehumidifier is overloaded, check the compressed air inlet flow, temperature, and pressure.
P
Paul HolderSep 4, 2025
What to do if HANKISON SPX HES1250 Dehumidifier drain mechanism faulty?
- S
  Samantha DunlapSep 4, 2025
  If the drain mechanism of your HANKISON Dehumidifier is faulty, check the drain by pressing the “Push to Test” button on the control panel. If it's still faulty, isolate the drain and rebuild the automatic drain.
S
Sara CarsonSep 7, 2025
What to do if high refrigerant pressure occurs in HANKISON SPX HES1250?
- K
  Kevin BanksSep 7, 2025
  If you are experiencing high refrigerant pressure that requires manual reset on your HANKISON Dehumidifier, check the current command status, the power to the compressor, and the display for any fault indicators.
G
Gary MartinezSep 9, 2025
What to do if HANKISON Dehumidifier has low refrigerant charge?
- T
  timothy94Sep 10, 2025
  If your HANKISON Dehumidifier has a low refrigerant charge, check the system pressures and temperatures to diagnose the issue.

HANKISON SPX HES1250 Specifications

General

Brand	HANKISON
Model	SPX HES1250
Category	Dehumidifier
Language	English

Summary

General Safety Information

Pressurized Devices

Safety precautions for pressure-containing equipment.

Electrical Safety

Electrical safety requirements for equipment operation and service.

Breathing Air Quality

Installation

Location Requirements

Guidelines for selecting an appropriate installation location and clearances.

Piping Connections

Instructions for connecting air and water lines, including bypass piping.

Electrical Connections

Guidance on wiring the dryer according to specifications and electrical codes.

Electronic Demand Drain

Operation

Operating Conditions

Specifies minimum/maximum operating conditions for the dryer.

Start-up Procedure

Steps for starting the dryer and operating modes (Manual/Scheduled).

Maintenance

Monthly Maintenance

Routine tasks for air-cooled and water-cooled units, and drain checks.

Annual Maintenance

Procedures for checking terminals, drains, and replacing filter cartridges.

Troubleshooting Guide

Water Downstream of Dryer

Identifies causes and corrective actions for moisture in downstream lines.

High Pressure Drop Across Dryer

Checkpoint Faults

Addresses issues like power loss, compressor off, and alarm lights.

High Discharge Temperature

Diagnosing and resolving high discharge temperature issues.

Low Pressure Faults

High Pressure Faults

High Evaporator Temperature

Drain Issues

Compressor Faults

Heater Faults

Temperature Sensor Faults

Reference

Sizing Guide

Engineering Data Tables

Drawings: Electrical Schematic

Electrical Schematics for Models 800-1750

Electrical Schematics for Models 2000-3000

Transformer Pack Electrical Schematics

Replacement Parts: Air-Cooled Units

Replacement Parts: Water-Cooled Units

Warranty

Warranty Period and Terms

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