DFS-04 Installation Essentials

Who should attend? Employees and sub-contractors of our Representatives / Distribution partners who will be engaging in field installation of LG DFS equipment.

What you will learn: The manufacturer’s guidelines for installing the piping and wiring systems connected to the indoor and outdoor LG DFS air conditioning equipment.

How you will learn: This class begins with a brief introduction to LG Inverter equipment, followed by lectures about product installation (Emphasis is placed on piping and control wiring.) PowerPoint presentation and discussions will also cover charging and pre-commissioning tasks that must be completed before startup. During lab activities students will be introduced to LG SIM 2.0 (LG Monitoring View Software) which is the tool that must be used to evaluate equipment performance.

Prerequisites: 1) Advanced technical knowledge of Residential  A/C, Heat Pump, and Air Distribution systems. 2) Basic working knowledge of Microsoft Office programs including Excel, Power Point and Word.

What to bring to class: 1) Laptop PC * running Windows Vista, 7, 8, 10 with a web browser of Internet Explorer 8.0     or higher with a minimum of Excel, Power Point, and Word installed. 

 *Students that want LGMV installed onto their PC

Duration: 1 Day

LG SIM 2.0 & LGMV:

Students that are interested in the LG SIMS 2.0 or LGMV PC version should reach out to their Representative or Distributor, for the correct LG SIMS 2.0 or LGMV kit to order.

Participant must register through schoolx for LG pro dealer credit and certificate. 

Refreshments and lunch provided

Class approved for 4 hours KY Masters/Journeyman, 4 hours OH, and NATE CEUs. Per state rules, repeat courses do not qualify for accumulative credits. Each class must be unique. i.e. Taking (2) Heat Pump Classes only qualifies for 4 CEUs total, whereas (1) Inverter Technology Class & (1) Heat Pump Class = 8 CEUs

This class covers:

• Installation and service of heat pump systems.
• New communicating systems and how to setup the system for maximum efficiency.
• Proper check out and operation of the reversing valve and defrost boards.
• 454b refrigerant updates and review 

Lunch and refreshments provided

DFS-10 Service Essentials

Who should attend? Employees and sub-contractors of our Representatives / Distribution partners who will be engaging in the service and repair of LG DFS air conditioning equipment.

What you will learn: You will become familiar with LG DFS equipment  PCBs, EEVs, BLDC Motors, compressors and other components. On a modular level the student will learn the part each component plays in a correctly operating LG DFS system. Indoor and outdoor electrical connections and interrelationships will be discussed. Physical access to all major functional components will be covered along with practical guidance concerning the service and maintenance of LG DFS equipment.

 How you will learn: The student will be guided through the steps of the troubleshooting process by means of classroom lecture and reinforcement of lessons by practical hands on exercises on live equipment in the lab. During lab activities students will use LG SIM 2.0 (LG Monitoring View Software)  to evaluate and troubleshoot LG DFS equipment in lab activities.

Prerequisites: 1) Advanced technical knowledge of Residential  A/C, Heat Pump, and Air Distribution systems. 2) Basic working knowledge of Microsoft Office programs including Excel, Power Point and Word.

Duration: 7 Hours of instruction  

LG SIM 2.0 & LGMV:

Students that are interested in the LG SIMS 2.0 or LGMV PC version should reach out to their Representative or Distributor, for the correct LG SIMS 2.0 or LGMV kit to order.

Laptop PC * running Windows Vista, 7, 8, 10 with a web browser of Internet Explorer 8.0     or higher with a minimum of Excel, Power Point, and Word installed. 

 *Students that want LGMV installed onto their PC

Participant must register through schoolx for LG pro dealer credit and certificate.

Refreshments and lunch provided

Class approved for 4 hours KY Masters/Journeyman, 4 hours OH, and NATE CEUs. Per state rules, repeat courses do not qualify for accumulative credits. Each class must be unique. i.e. Taking (2) Heat Pump Classes only qualifies for 4 CEUs total, whereas (1) Inverter Technology Class & (1) Heat Pump Class = 8 CEUs

This class covers:
• Installation and service of heat pump systems.
• New communicating systems and how to setup the system for maximum efficiency.
• Proper check out and operation of the reversing valve and defrost boards.
• 454b review and updates

Login information will be emailed 

This class covers:
• Installation and service of heat pump systems.
• New communicating systems and how to setup the system for maximum efficiency.
• Proper check out and operation of the reversing valve and defrost boards.
• 454b review and updates

Login information will be emailed 

Class approved for 4 hours KY Masters/Journeyman, 4 hours OH, 4 hours Vanderburg Co, IN Masters, and NATE CEUs. Per state rules, repeat courses do not qualify for accumulative credits. Each class must be unique. i.e. Taking (2) Heat Pump Classes only qualifies for 4 CEUs total, whereas (1) Inverter Technology Class & (1) Heat Pump Class = 8 CEUs

This class covers:

•  Proper setup of an AC unit
•  Airflow and proper charging of the units
•  Current regional SEER regulations
•  Superheat and supercool charging and setup of variable speed motors

Class will also review:

• Tempstar equipment
• Gas furnace (electrical and mechanical)
• 454b refrigerant updates, equipment and mitigation board information

Lunch provided

Class approved for 4 hours  Vanderburg Co, IN Masters, and NATE CEUs. Per state rules, repeat courses do not qualify for accumulative credits. Each class must be unique. i.e. Taking (2) Heat Pump Classes only qualifies for 4 CEUs total, whereas (1) Inverter Technology Class & (1) Heat Pump Class = 8 CEUs

Evansville AC Startup Mar2025

In this class you will learn:

 Types

• Floor in slab
• Floor suspended
• Ceiling & Wall
• Snow/Ice Melt
• Floor Warming

How heat loss effects floor surface temperature which limits the radiant heat output in btus per square feet

• Maximum floor surface temperature per type
• What water temperature to supply to overcome heat loss

 How to pipe and zone

• Single zone system piping techniques
• Multiple zone system piping techniques

 How to control zones

• Thermostat selection and location

 How to heat the water going to the radiant type

      Boiler

• High efficiency works well
• High temperature (wood boiler or waste oil) has complications

      Water heater  

• Okay for small applications
• Not recommended for large applications

Refreshments provided.

Corken Steel has submitted an application for Kentucky CE hours. Once we receive confirmation on hours, we will update the class and communicate to the registrants.

Includes study guide*, seminar, and test.

* Study guide to be picked up from our branch in advance to allow time for test preparation.

Candidates for this exam can be certified in any of three equipment categories plus Universal.

Core– General Information Must pass for any type of certification

Type 1 Small appliances, i.e. PTACs and window ACs

Type 2 Equipment using high pressure refrigerant, i.e. Residential ACs and heat pumps

Type 3 Equipment using low pressure refrigerant, i.e. chillers

Universal Any candidate passing all three Types, including Core

 Note: Additional tests and retests will have additional charges.