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AirTek SC Series User Manual

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SMART CYCLE
COLD TRAP
REFRIGERATED
AIR DRYERS
OPERATORS MANUAL:
MODELS SC/CT 40 to 3000
Service Department
1-800-451-6023
MAN-SCCT
PRICE $10.00

Table of Contents

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AirTek SC Series Specifications

General IconGeneral
ModelSC Series
CategoryDryer
Power Source120V/240V
Control TypeElectronic
Energy EfficiencyENERGY STAR Certified
Weight120 lbs
Fuel TypeElectric or Gas (depending on model)

Summary

Pre-Installation Guide

Inspection and Handling

Inspect dryer upon arrival for damage and file claims promptly.

Safety Cautions and Operating Warnings

List of safety warnings and operating precautions for the dryer.

Dryer Installation Procedures

Dryer Location Guidelines

Guidelines for dryer placement, ambient temperature, and ventilation.

Airline Plumbing Instructions

Instructions for connecting air lines, including support and materials.

Water Line Piping for Water Cooled Units

Specifications for water line installation for water-cooled units.

Electrical Connection Procedures

Steps for making electrical connections, including safety and wiring.

Principle of Operation

Air System Components

Describes the air path and components like precooler, evaporator, and separator.

Refrigeration System Function

Details the components and function of the refrigeration cycle.

Adjustable Controls and Settings

Separator and Coalescer Drains

Information on adjusting dryer controls, focusing on drains.

Control Panel Layouts

Panel A Description

Description of Panel A controls and displays.

Panel B Description

Description of Panel B pressure gauges.

Panel C Description

Description of Panel C temperature displays.

Panel C for CT Dryer Models

Specific Panel C features for CT dryer models.

Displays and Alarms Overview

Dew Point Controller and Display

Explanation of the dew point controller and its display functions.

Load/No Load Mode Button

Function of the ON/OFF button for Load/No Load mode.

Thermal Bank Mode Button

Function of the ON/OFF button for Thermal Bank mode.

Raise and Lower Buttons Function

How to use the raise and lower buttons for set point adjustment.

Set Button Functions

Function of the SET button for mode and scale selection.

Hidden Button Location and Use

Location and function of the hidden button for diagnostics.

Power Saver Active LED Indicator

Indicates when the unit is in low power consumption mode.

High Dew Point Alarm LED

Indicates a high dew point condition and alarm activation.

Drain Control Settings Explanation

Details on adjusting drain control settings for timed or float operation.

Drain Open LED Indicator

Indicates when the drain valve is open.

Air Inlet and Outlet PSI Gauges

Explanation of the PSI gauges and pressure drop indicators.

High Ambient Temperature Alarm

Information on ambient temperature limits and alarms.

High Inlet Temperature Alarm

Information on inlet temperature limits and alarms.

High Coalescer PSID Light

Indicator for high pressure drop across the coalescer element.

Compressor Relays and Sensors

Compressor Relay (K4)

Function of the compressor relay based on mode and dew point.

High Dew Point Relay (K5)

Function of the high dew point relay and LED alarm.

Compressor Unloader Relays

Function of the compressor unloader relays.

Dew Point Sensor (Probe 1)

Description of the dew point sensing probe.

Suction Temperature Sensor (Probe 2)

Description of the suction temperature sensor.

Start Up Procedure (Models SC/CT 40-250)

Pre-Start Cautions

Pre-start caution about air flow and bypass piping.

Dryer Start Up Steps

Step-by-step guide for starting up the dryer.

Always Operating Instructions

List of recommended practices for operating the dryer.

Never Operating Instructions

List of practices to avoid during dryer operation.

Start Up Procedure (Models SC/CT 330 and UP)

Pre-Start Cautions

Pre-start caution about air flow and bypass piping.

Dryer Start Up Steps

Step-by-step guide for starting up the dryer.

Always Operating Instructions

List of recommended practices for operating the dryer.

Never Operating Instructions

List of practices to avoid during dryer operation.

Routine Maintenance and Service

Air Cooled Condenser Maintenance

Maintenance for the air-cooled condenser, emphasizing cleaning.

Separator/Coalescer Drains Maintenance

Maintenance for separator and coalescer drains.

Refrigeration Service Technician Guide

Recharging Dryer Procedures

Instructions for recharging the dryer with refrigerant and oil.

Evaporator Leak Diagnosis

Symptoms and diagnosis of evaporator leaks.

Refrigerant Control Valves Information

Information on expansion valves and their operation.

Solenoid Valve Troubleshooting

Drains Troubleshooting

Electronic Controls Troubleshooting

Troubleshooting Electronic Control Issues

Diagnosing common problems with electronic control systems.

Factory Assistance Contact

Ordering Repair Parts

Miscellaneous Dryer Data

Capacity Correction Factors

Tables for correcting dryer capacity based on operating conditions.

Dryer Information Charts

Dryer Information Charts (Continued)

Diagnostic Code E1

Shutdown on Open Dew Point Circuit

Troubleshooting and correction for E1 error code.

Diagnostic Code E2

Shutdown on Shorted Dew Point Circuit

Troubleshooting and correction for E2 error code.

Diagnostic Code E3

Shutdown on High Super Heat

Troubleshooting and correction for E3 error code.

Diagnostic Code E4

Shutdown on Freeze Protection

Troubleshooting and correction for E4 error code related to freezing.

Diagnostic Code E5

High Dew Point Shutdown

Troubleshooting and correction for E5 error code.

Diagnostic Code E6

Shutdown on Low Suction PSI

Troubleshooting and correction for E6 error code.

Diagnostic Code E7

Shutdown on High Head PSI

Troubleshooting and correction for E7 error code.

Dryer Overload Issues

Causes and checks for dryer overload condition.

Condenser Performance Problems

Troubleshooting steps for poor condenser performance.

Freon Over Charge Correction

How to check for and correct Freon overcharge.

Water Cooled Condenser Troubleshooting

Troubleshooting for water-cooled condenser issues.

Defective High Pressure Switch

Diagnosis of a faulty high-pressure switch.

Refrigerant Restriction Issues

Identifying and rectifying refrigerant restrictions.

Service Valve Closed Checks

Checking for closed service valves causing issues.

Faulty Expansion Valve Diagnosis

Diagnosing and testing faulty expansion valves.

Jumper Wire Faults

Troubleshooting faulty jumper wires causing errors.

Diagnostic Code E9

Drain Shutdown Condition

Explanation of the E9 drain shutdown error code.

Instructions for Ordering Repair Parts

Replacing Coalescer Elements (CT Units Only)

Airtek Warranty Information

Warranty Philosophy

Overview of Airtek's warranty principles.

Warranty Procedure

Steps for initiating a warranty claim and service.

Smart Cycle/Cold Trap Warranty Coverage

Details of the warranty coverage for refrigerated dryers.

Standard Warranty Coverage (First Year)

List of components covered under the standard warranty.

Warranty Coverage Details

Breakdown of warranty coverage for parts and labor.

Extended Warranty Coverage (Second Year)

Details of the second-year extended warranty coverage.

Exclusions from Standard Warranty

List of conditions and damages not covered by warranty.

Maintenance Not Covered by Warranty

Clarification that routine maintenance is not covered by warranty.

Chargeable Service Calls Policy

Policy on service calls for non-warrantable conditions.

Warranty Registration Instructions

Instructions for registering the dryer for warranty.

International Warranty Terms

Warranty terms for units outside the US and Canada.

Airtek Disclaimer

Legal disclaimer regarding Airtek's warranty liabilities.

Conclusion and Commitment

Summary of Airtek's commitment to service and warranty.

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