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SPX HANKISON HES120 - User Manual

SPX HANKISON HES120
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SERVICE DEPARTMENT: (724) 746-1100
5006820 Rev. A 5/10
INSTRUCTION MANUAL
HES Series
Models: HES90, HES120, HES140, HES190,
HES240, HES280, HES360, HES450,
HES540, HES675
REFRIGERATED
TYPE
COMPRESSED
AIR DRYERS
CONTENTS
GENERAL SAFETY INFORMATION .................................... 2
RECEIVING, MOVING, AND UNPACKING .......................... 2
1.0 INSTALLATION ........................................................... 3
2.0 DRYER OPERATION .................................................. 5
3.0 MAINTENANCE ........................................................ 9
SIZING .............................................................................. 9
ENGINEERING DATA
MODELS 90-240 .......................................................... 10
MODELS 280-675 ........................................................ 11
WIRING DIAGRAMS - STANDARD CONTROLLER
MODELS 90-140: 115/1/60 ......................................... 12
MODELS 90-140: 230/1/60 ......................................... 13
MODELS 190-540 ........................................................ 14-15
MODEL 675 ................................................................. 16-17
WIRING DIAGRAMS - ADVANCED CONTROLLER
MODELS 190-540 ........................................................ 18-19
MODEL 675 ................................................................. 20-21
WIRING DIAGRAM: 575-460/3/60 TRANSFORMER PACK
MODELS 190-675 ........................................................ 22
DIMENSIONS / WEIGHTS .................................................. 23
TROUBLESHOOTING GUIDE
STANDARD CONTROLLER: MODELS 90-675 ................. 24
ADVANCED CONTROLLER: MODELS 190-675 .............. 25
PARTS LIST ....................................................................... 26
WARRANTY ..................................................................... 28

Table of Contents

Questions and Answers

  • J
    Jordan SanchezAug 9, 2025
    What to do if my SPX HANKISON HES120 refrigeration system is not functioning properly?
    • T
      Tammy PotterAug 9, 2025
      If the refrigeration system isn't working, here's what you can check: * Ensure the unit has power. * Verify the line disconnect switch is closed. * Check for blown fuses or open breakers and ensure electrical continuity. * Have an electrician inspect for faulty wiring or loose terminals. * Confirm the dryer on/off switch is in the 'on' position. * If air-cooled, clean the condenser face. If water-cooled, clean the water strainer. * Check and replace the fan motor or fan pressure switch if faulty. * Ensure sufficient water pressure, especially during high water flow demand. * Check, adjust, or replace the water regulating valve if it's mis-adjusted or defective.
  • N
    Natalie TylerAug 18, 2025
    Why is there water downstream of my SPX HANKISON HES120?
    • P
      Paige TorresAug 18, 2025
      If you're finding water downstream of the dehumidifier, here are some potential causes and solutions: * Residual moisture in the pipelines: Blow out the system with dry air. * Open air bypass system: Check the valve positions. * Reversed inlet and outlet connections: Verify the correct connection. * Air lines exposed to low temperatures: Insulate or heat trace air lines. * Excessive moisture at the inlet: Install a separator ahead of the dryer. * Glycol pump not operating: Replace pump cartridge and check for power.
  • T
    Teresa HayesAug 29, 2025
    How to fix high pressure drop across SPX Dehumidifier?
    • K
      Karen RamirezAug 29, 2025
      A high-pressure drop across the dehumidifier can be caused by: * Excessive airflow: Check the flow rate. * Filter loaded with solid particulates: Replace the filter element.

Summary

HANKISON HES Series Air Dryers Overview

General Safety Guidelines

Pressurized Device Safety Protocols

Safety precautions for equipment containing pressure.

Electrical Safety Precautions

Guidelines for safe electrical operation and maintenance.

Installation Procedures

Location and Clearance Requirements

Guidance on selecting an appropriate installation site and clearances.

Mounting and Piping Connections

Electrical Connection Guide

Dryer Operation and System Management

Operating Condition Limits

Standard Controller Start-up Procedure

Steps for initiating operation with the standard controller.

Advanced Controller Setup and Configuration

Configuration and operational guidance for the Advanced Controller (EMM).

Dryer Startup and Operational Sequence

Detailed procedures for starting and operating the dryer.

Dryer Operating Modes Explained

Dryer Alarm Identification and Meaning

Descriptions and meanings of various dryer alarm conditions.

Control Panel Overview

Control Panel Component Descriptions

Maintenance and Sizing Information

Calculating Required Dryer Capacity

Methodology for calculating required dryer capacity based on conditions.

Engineering Data: Models 90-240

Engineering Data: Models 280-675

Standard Controller Wiring Diagrams

Models 90;120;140: 115;1;60 Wiring Diagram

Models 90;120;140: 230;1;60 Wiring Diagram

Models 190-540 Standard Controller Wiring Diagram

Model 675 Standard Controller Wiring Diagram

Advanced Controller Wiring Diagrams

Models 190-540 (460 VAC) Advanced Wiring Diagram

Model 675 (460 VAC) Advanced Wiring Diagram

Troubleshooting Guide: Standard Controller

Diagnosing Water Downstream Issues

Diagnosing and resolving residual moisture problems.

Dew Point Indicator Troubleshooting

Refrigeration System Troubleshooting Steps

Diagnosing and fixing problems with the refrigeration system.

Troubleshooting Guide: Advanced Controller

Diagnosing Water Downstream Faults

Troubleshooting High Pressure Drop

Checkpoint Faults and Alarm Resolution

Interpreting and resolving checkpoint faults and alarms.

Product Warranty and Service Information

SPX HANKISON HES120 Specifications

General IconGeneral
BrandSPX
ModelHANKISON HES120
CategoryDehumidifier
LanguageEnglish

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