G.W. Berkheimer Technical Classes For

G.W. Berkheimer Technical Classes For 2009-2010 Note: this schedule is subject to change, so check with your GWB sales representative for any changes that may have occurred since this revision date. Revised 7/24/09 1

Class Registration Form 2009-2010 Check the class list and determine which class (es) you wish to attend. Fill out the registration form below (Include in the boxes Becor Number, Dates, Class Location and Registration Fee.) and either fax the form or mail it to: Aggie DeRolf G.W. Berkheimer Co., Inc. 6000 Southport Road Portage, Indiana 46368 Fax: 219-764-5203 Please submit your registration form at least one week in advance. Registrations canceled less than one week prior to the class are nonrefundable. Fill out the boxes below. To enroll in South Central Classes send this Registration Form to: Fax: 812-376-0556 Shelia Miller South Central Co. 3055 State Street, Columbus, IN 47201 Becor No. Date(s) of of Class Registration Fee Note: Payment is required at time of registration. Total: Dealer Account Number: Individual to Attend: Dealer Company Name: Address: City: State: Zip: Phone: Fax: E-Mail: My Check is Enclosed Shipper No: 2

Bercor No. BTU 04 Residential Load Calculation & Duct Design Class 2009-2010 Rev. 7/1/2009 3 Day Class Residential Load Calculation & Duct Design 9192 9/9, 10 & 11/2009 GWB Indianapolis, 1920 South State Street, Indianapolis, IN 9194 1/26, 27 & 28/2010 GWB Lombard, 1155 North Du Page Ave., Lombard, IL 9196 2/ 23, 24 & 25/2010 GWB Valparaiso, 390 East State Rd.2 Valparaiso, IN All locations limited to 20 people to maintain quality of instruction. Class Fee: $350 per Person for three-day class. Registration at 7:45 & Class from 8:00 am to 4:30 pm. Course materials, lunch and refreshments are included. Texts: The new Residential Load Calculation Manual J Abridged 8 th ed., Residential Equipment Selection Manual S and Residential Duct Systems Manual D. This class covers the proper sizing procedures to comply with the International Residential Code, For One and Two Family Dwellings 2006 Ed and latter, as required in Paragraphs M1401.3 Sizing and M1601.1 Duct Design. Part One Residential Load Calculation ACCA Manual J Introduction Residential Design Types of Heating and Cooing Loads Making an Accurate Load Estimate Important Issues and Concepts - References for Basic Skills- Physical Principles and Mathematics. Residential Load Calculation Survey Reading Building Plans and Specifications Component Heat Loss & Heat Gain Calculations Hands on Lab: Load Calculation Project for a Residential Building. - Using Form J1ae and J1ae Worksheets What to Do Next - Trouble Shooting System Design Problems Residential Furnaces and Cooling Equipment Selection Procedure ACCA Manual S Parts Two - Residential Duct Systems ACCA Manual D Selecting Air Terminals (Supply outlets and Return Grills) Residential Air Distribution Systems types, materials and where used Air Distribution System Components - Primary Equipment, Secondary Equipment & Air-side Devices Basic Principles of Air Distribution Residential Duct Sizing Calculations Hands on Lab: Residential Duct Sizing Project - Constant Volume Rigid Duct Systems Review: - Flexible Duct Systems, Variable Volume Systems, Duct System Efficiency, Duct Leakage and System Interactions and Testing and Balancing Designing a Perimeter Loop System Nate No. 1189-0023 Residential Load Calculation and Duct Design Class 24 credits 3

BTU 06 - Gas Furnace Service Procedures Class Fall 2009 3 Day Hands-on Class Bercor Gas Furnace Service Procedures No. 9103 October 20, 21 & 22, 2009 GWB Cicero 5430 W. Roosevelt Rd., Chicago, IL 60644 9101 November 17, 18 & 19, 2009 GWB Valparaiso, 390 East State Rd.2 Valparaiso, IN 9100 December 15, 16 & 17, 2009 GWB Lafayette, 3845 Fortune Drive, Lafayette, IN. 6/19/09 For reasons of safety in the hands-on section of the class, approximate 1/3 of the class time is hands-on live equipment; all classes are limited to 12 people each day. Class Fee: $375.00 per Person* for the three-day class. Course materials, lunch and refreshments are included. Registration at 7:45 am and Class is from 8:00 am to 4:30 pm. Class Topics: Safety - Gas Heating Equipment Personal Safety Electrical Equipment Mechanical Equipment Gas and Oil Heating Equipment Installation Tool Use Precautions Extreme Hot and Cold Weather Precautions Summary of Dangers, Warnings, Cautions, and Safety Instructions Typical Gas Furnace Operation The Combustion Process-Natural & Propane Gas. Types of Gas-Fired Furnaces Furnace Configurations Typical components of a gas furnace Furnace Operating Sequence Gas furnace Venting & Combustion Air Sizing Vertical venting system sizing (category I) Venting system sizing (category IV) Combustion air from inside structure and direct vent systems. Basic Electricity Electricity and How It Works Instruments and devices used in electrical service Field Wiring -Typical Residential Building Electrical Service HVAC Thermostat Control Circuit Components HVAC Unit Electrical Installation Guidelines Advanced Controls for Gas Heating Pilot Re-ignition Systems Mid & High Efficiency Control Systems Single Stage Integrated Furnace Controls for 2007 Armstrong Hot Surface Ignition System & Integrated Furnace Controls for C version furnaces with HSI NATE recognized class 1189-0014 for 24 recertification credits. Goodman Hot Surface Ignition System & Integrated Furnace Controls with HSI for GMS & GKS s. Electronically-Commutated Motors Motor operation, control set up and troubleshooting Two Stage Integrated Furnace Controls for 2007 Armstrong two stage Integrated Furnace Controls for C version furnaces with HIS. Goodman two stage Ignition System & Integrated Furnace Controls with HIS for GMH & GMV s Gas Furnace Installation Accessories Furnace Vent Systems Forced-Air Duct Systems Gas Piping and Fittings Locating the Furnace Installing Power and Control Start-up and Checkout Gas Furnace Preventive Maintenance Furnace Maintenance Guidelines Gas Valve & Control Board Sequence of Operation Operating Checks/Adjustments Completing the Job. Troubleshooting Gas Furnaces Steps to Perform a Disciplined Diagnosis Electrical Circuit Problems Combustion & Capacity Problems Burner & Ignition problems 6 Hands-on Labs: Approx 1/3 of class time. Heat Exchanger Testing *If more than one employee from the same company attend the same class. The company may qualify for a $25 rebate for each employee who attends all three days of class. To qualify the employees must be registered on the same shipper (invoice) for the same class and the employee s names are printed on the shipper. (BTU 06 Gas Furnace Service Procedures Class and BTU 07 Air Conditioning Service Procedures Class.) 4

BTU 07 - Air Conditioning Service Procedures Class Winter & Spring 20010 6/19/09 3- Day Hands-on Class Bercor No. Air Conditioning Service Procedures 9224 March 16, 17 & 18, 2010 GWB Indianapolis, 1920 South Street, Indianapolis, IN 9226 April 27, 28 & 29, 2010 GWB McHenry, 4100 Albany Drive, Mc Henry, IL 9227 May 25, 26 & 27, 2010 GWB Tinley Park, 7635 W 183 rd ST, Tinley Park, IL For reasons of safety in the hands-on section of the class, all classes are limited to 12 people each day. Class Fee: $375* per Person for the three-day class. Course materials, lunch and refreshments are included. Registration at 7:45 am and Class is from 8:00 am to 4:30 pm. Class content: Refrigeration System Components and Operation Three Laws of Thermodynamics Basic Refrigeration Terms and Principles Refrigeration Cycle & System Components R410a Refrigerant Properties & Applications General Service Considerations Environmental Considerations - Technician Certification Safety For AC Service Technician Personal Safety, Electrical & Mechanical Equipment Refrigeration & Other Pressurized Gases Summary of Dangers, Warnings, Cautions, and Safety Instructions. Refrigeration Service Procedures (Section 4) Refrigeration System Service Instruments and Devices Service Valves & Gauge Manifold Set Basics SP-1 Leak Detection SP-2 Refrigeration Recovery, Recycling, & Reclamation SP-3 Evacuation and Dehydration SP-4 Refrigerant Charging Methods SP-5 Acid/Moisture Testing Basic Electricity Electrical Theory HVAC Field Wiring & AC Electrical Systems Pictorial diagrams & Ladder diagrams Typical AC Control Circuits and Electrical Components Cooling Control Functions & Sequence of Operation Electrical Accessories used on Air Conditioners Electronically-Commutated Motors Electrical Service Procedures SP-7 Input Voltage Measurements and Fault Isolation SP-8 Component Isolation Checks & Measurements. SP-9 Compressor Checks and Electrical Measurements SP-10 Motor Checks and Electrical Measurements 5 SP-12 Fault Isolation Methods Used with Electronic Controls Air System Service Instruments and Devices. Instruments and Devices Forced-Air Duct Systems Air Side Service Procedures SP-14 Cooling System Proper Airflow Range SP-15 Airflow Measurement with Electric Heat SP-16 Airflow Measurement Velocity Pressure Method SP-17 Airflow Measurement Pressure Drop Method SP-18 System Capacity Measurement - Psychrometric Charts R410a A/C Split System Installation, Start-up & Checkout Procedures. R410A Split System Installation & Maintenance Guidelines. Troubleshooting Residential Cooling Systems Common Problems: Loss of charge, airflow problems, etc Compressors that will not start Condensate water disposal problems Air Conditioning Diagnostics Processes Refrigeration Service. Five operating characteristics used for diagnosing an AC unit. Determining the correct operating pressures. Evaluation of AC refrigeration pressures. Air Conditioning Electrical Problem Solving Compressor Checkout - Internal pressure relief valve Voltages, control circuit & starting components. Fan and Blower motor checks Three phase continuity, amperage balance & motor rotation. 6 Hands-on Labs: Perform AC Service & Procedures on Live Armstrong and Goodman R410A Equipment Approximately 1/3 of class time is allocated to hands-on training. NATE recognized class 1189-0015 for 24 recertification credits. *If more than one employee from the same company attend the same class. The company may qualify for a $25 rebate for each employee who attends all three days of class. To qualify the employees must be registered on the same shipper (invoice) for the same class and the employee s names are printed on the shipper. (BTU 06 Gas Furnace Service Procedures Class and BTU 07 Air Conditioning Service Procedures Class.)

BTU 08 - Hydronic Heating Service Class 2009-2010 Rev. 6/18.2009 One Day Class Bercor Dates No. 9119 Sept 23, 2009 GWB Lombard, 1155 North Du Page Ave., Lombard, IL 9120 Oct 15, 2009 GWB Tinley Park, 7635 W 183 rd ST, Tinley Park, IL 9121 Nov 10, 2009 GWB Lafayette, 3845 Fortune Drive, Lafayette, IN. 9122 Dec 10, 2009 GWB Cicero 5430 W. Roosevelt Rd., Chicago, IL 9123 Jan 19, 2010 GWB Gary, 2310 W. 35 th Ave. Gary, Indiana 9124 Feb 17, 2010 GWB Fishers*, 9004 Technology Dr., Fisher, IN. All locations limited to 20 people to maintain quality of instruction. Class Fee: $80 per Person for the class. Course materials, lunch and refreshments are included. Registration & Class from 8:00 am to 4:30 pm Topics Hot Water Boilers Heating with Hot Water types of systems Heat Loss Basics Sizing and Selection of boiler, tank and piping Components and Accessories Piping and Piping Systems - Residential & Commercial Designing a System Typical Electrical Controls and system wiring. Steam Boiler Operation Generating Steam Steam Boiler Controls Near Boiler Piping Steam System Piping (One pipe & Two pipe systems) Cleaning a Steam Boiler Zoning Hydronic Heat Systems Fundamentals of Hydronic Heating Systems Principles of Zoning what is it? System Sizing - Flow rate (GPM) & Pump head Zoning With Circulators Zoning With Electric Zone Valves Zoning With Non-Electric Zone Valves and Commercial Steam Valves What is a radiant floor system Boiler by Pass Piping and Sizing High static air delivery systems used with hot water heat/refrigerant AC NATE recognized class 1189-0017 for 8 recertification credits. 6

BTU 09A Armstrong Gas Furnace Installation & Service Class 2009 2010 Rev. 6/18/2009 1 Day Class Bercor No. Class Dates 9110 Sept 2, 2009 GWB Gary, 2310 W. 35 th Ave. Gary, Indiana 9111 Oct 14, 2009 GWB Lombard, 1155 North Du Page Ave., Lombard, IL 9112 Nov 4, 2009 GWB Indianapolis, 1920 South Street, Indianapolis, IN 9113 Nov 12, 2009 GWB Fort Wayne - Chamber of Commerce, 826 Ewing, Ft. Wayne, IN 9114 Dec 3, 2009 GWB South Bend Contact Store for 9115 Dec 8, 2009 GWB Rockford, 5206 Eleventh St., Rockford, IL. Class Fee: $60 per Person for the class. Course materials, lunch and refreshments are included. Class from 8:45 am to 3:30 pm. All locations limited to 20 people to maintain quality of instruction for this new classes. Gas Furnace Installation & Service Class Specific manufacture of gas furnaces this class will cover NATE (North American Technical Excellence testing. Introduction to Gas Furnace Line Model Nomenclature Manufactures Furnace Offerings Forced-air Furnace Sizing Procedures Intergraded Furnace Controls Single Stage with PSC Blower Motor. Two Stage Intergraded Fan Control with PSC Blower Motor. Two Stage Intergraded Fan Control with ECM Blower Motor Description of the control and igniter used. Sequence of control operation for heating and cooling Connecting terminals on the board for blower speeds, electric air cleaner, humidifier, etc. Circulator blower fan off timing adjustment. Furnace wiring diagram and how the electricity flows through the circuit. Setting the dip switches for single stage and/or timed on second stage operation. X13 DC motor used on some two stage furnaces Start-up Procedure Diagnostic Led Signals - Troubleshooting charts Electronically Commutated Motors Indoor Blower Motors - How Does the ECM work? The ECM Technology construction, constant airflow. How is the ECM Motor programmed? ECM Myths and the air distribution system. Line voltage power connection Signal cable (low voltage) connection Trouble shooting ECM motors Combustion & ventilation air, vent/flue and combustion air piping. Gas combustion and byproducts. Sources of Carbon Monoxide. Combustion air requirement by national fuel gas code. Category I vent systems for 80% furnaces. Category IV vents systems for 90+% furnaces. Electrical Connections, Gas Supply & Piping and Circulation Air Installation electrical power Typical furnace gas piping & sizing Circulating Air requirements Start Up and Sequence of Operation Furnace start up check list Checking for proper Earth Ground Measuring single phase voltage input Setting the heat anticipator is used. Using a manometer to measure gas pressure. Typical gas valve adjustments Determining the furnace input Natural Gas Checking the furnace temperature rise Adjusting the temperature rise by changing heating blower speed. Determining heating blower output CFM Typical furnace operating sequence. Service, Troubleshooting and Maintenance Troubleshooting approach Check the furnace sequence of operation Use diagnostic Led signals when available Do not automatically replace an electronic control board. First make sure it has failed. Every service person should be able to?? How to use troubling shooting charts. What furnace components should you check when the following typical fault codes are indicated on the furnace control. Follow the Troubleshooting charts provided by the manufacture to help find the operating problem. NATE recognized class 1189-0016 for 6 recertification credits. 7

BTU 09G Goodman Gas Furnace Installation & Service Class 2009 2010 Rev 6/18/2009 1 Day Class Bercor No. Class Dates 9182 Sept 1, 2009 GWB Chicago, 825, E. 99 th Street, Chicago, IL Contact Store for 9183 Sept 22, 2009 GWB McHenry, 4100 Albany Drive, Mc Henry, IL 9184 Oct 8, 2009 GWB Tinley Park, 7635 W 183 rd ST, Tinley Park, IL 9185 Oct 13, 2009 GWB Aurora, 945 Aurora Ave, Aurora, IL 9186 Nov 3, 2009 GWB Louisville, 4842 Jennings Lane, Louisville, KY 9187 Dec 2, 2009 GWB Fishers*, 9004 Technology Dr., Fisher, IN. Locations limited to 20 people to maintain quality of instruction for this new class. Class from 8:45 am to 3:30 pm. Class Fee: $60 per Person for the class. Course materials, lunch and refreshments are included. Gas Furnace Installation & Service Class Specific manufacture of gas furnaces this class will cover NATE (North American Technical Excellence testing. Introduction to Gas Furnace Line Model Nomenclature Manufactures Furnace Offerings Forced-air Furnace Sizing Procedures Intergraded Furnace Controls Single Stage with PSC Blower Motor. Two Stage Intergraded Fan Control with PSC Blower Motor. Two Stage Intergraded Fan Control with ECM Blower Motor Description of the control and igniter used. Sequence of control operation for heating and cooling Connecting terminals on the board for blower speeds, electric air cleaner, humidifier, etc. Circulator blower fan off timing adjustment. Furnace wiring diagram and how the electricity flows through the circuit. Setting the dip switches for single stage and/or timed on second stage operation. X13 DC motor used on some two stage furnaces Start-up Procedure Diagnostic Led Signals - Troubleshooting charts Electronically Commutated Motors Indoor Blower Motors - How Does the ECM work? The ECM Technology construction, constant airflow. How is the ECM Motor programmed? ECM Myths and the air distribution system. Line voltage power connection Signal cable (low voltage) connection Trouble shooting ECM motors Combustion & ventilation air, vent/flue and combustion air piping. Gas combustion and byproducts. Sources of Carbon Monoxide. Combustion air requirement by national fuel gas code. Category I vent systems for 80% furnaces. Category IV vents systems for 90+% furnaces. Electrical Connections, Gas Supply & Piping and Circulation Air Installation electrical power Typical furnace gas piping & sizing Circulating Air requirements Start Up and Sequence of Operation Furnace start up check list Checking for proper Earth Ground Measuring single phase voltage input Setting the heat anticipator is used. Using a manometer to measure gas pressure. Typical gas valve adjustments Determining the furnace input Natural Gas Checking the furnace temperature rise Adjusting the temperature rise by changing heating blower speed. Determining heating blower output CFM Typical furnace operating sequence. Service, Troubleshooting and Maintenance Troubleshooting approach Check the furnace sequence of operation Use diagnostic Led signals when available Do not automatically replace an electronic control board. First make sure it has failed. Every service person should be able to?? How to use troubling shooting charts. What furnace components should you check when the following typical fault codes are indicated on the furnace control. Follow the Troubleshooting charts provided by the manufacture to help find the operating problem. NATE recognized class 1189-0016 for 6 recertification credits. 8

BTU 10A Armstrong Air Conditioning Installation & Service Class 2009-2010 6/18/2009 1 Day Class Class Dates Bercor No. 9274 Feb. 18, 2010 GWB Fort Wayne - Chamber of Commerce, 826 Ewing, Ft. Wayne, IN 9275 Mar. 3, 2010 GWB Lafayette, 3845 Fortune Drive, Lafayette, IN. 9276 Apr. 15, 2010 GWB Gary, 2310 W. 35 th Ave. Gary, IN 9277 Apr. 22, 2010 GWB South Bend Contact Store for 9278 May 11, 2010 GWB Lombard, 1155 North Du Page Ave., Lombard, IL 9279 May, 20, 2010 GWB Niles, 6279 West Howard St., Niles, IL All locations limited to 20 people or less to maintain quality of instruction for this new class. Class Fee: $60 per Person for the class. Course materials, lunch and refreshments are included. Class from 8:45 am to 3:30 pm. Air Conditioning Installation & Service Class Specific manufacture of Air Conditioners this class will cover NATE (North American Technical Excellence testing. Air Conditioning Safety R22 and R410a Refrigerant Systems Know the Refrigerant Cycle & AC Operation Heat Basics Saturation Temperature Latent Heat or Hidden Heat - The Refrigeration Cycle There are four main components in a refrigeration system: Compressors, Condenser, Metering Devices & Evaporator Air Conditioning Cycle Operation Using a P/T chart Measuring supper heat and subcooling. R-410A Refrigerant What is it? The Future Refrigerant R-410A Components that needed Redesigning for R-410A Line Sets Brazing of R410a refrigerant lines and joints. Air Conditioning Condensing units Introduction to manufactures Air Conditioning Condensers Model Nomenclature Reading the Model Number & Serial Number Sizing Limitations Too small or too large? Selection of split system air conditioners Unit cooling capacity Indoor coil ARI matching Typical AC control circuits Installing and operating the condenser Setting of the Unit Refrigerant line sets and tube routing Leak testing and Evacuation to 500 microns or lower. Electrical connections System Start Up Air Conditioning Indoor Coils Introduction to manufactures Air Conditioning Coils- Model Nomenclature Matching existing 10 SEER coils with 13 SEER condensers & HPs. Metering Devices Orifice & Thermo Expansion Valves TXV Kits Indoor Coil Installation Commissioning the system AC Service Procedures NATE recognized class 1189-0019 for 6 recertification credits. Special Tools Required for R410a service Refrigerant Recovery, Recycle and Reclaim Evacuation Conditions that affect charging accuracy Methods of charging an air conditioner The weight method Superheat method Subcooling method Check the airflow over the evaporator coil. Troubleshooting Air Conditioners Things you should know before starting Analyzing reported symptoms System Air Side Diagnostics Does the unit run? Yes or No Perform a preliminary system inspection Power off inspection, Check for: Power on inspection, Check for: Electrical Problem Diagnostics Is there a thermostat or transformer problem? Is there a problem with the indoor blower circuit? Voltage on Compressor Side of Contactor? Compressor and/or Condenser fan not running. No Voltage on Compressor Side of Contactor? Voltage on Line Side of Contactor Checking 2-Step Scroll for capacity change. With unit not running Refrigeration system pressure problems High head pressure problems Low head pressure problems Low Suction Pressure Problems Five operating characteristics needed for troubleshooting an AC system Suction pressure Unit coil superheat Discharge pressure Liquid subcooling Amp. Draw of condensing unit. Eleven common causes of problems in an AC system with restrictive metering device Eleven common causes of problems in an AC system with TXV metering device ECM Motors The ECM Technology construction, constant airflow and the air distribution system. Signal cable (low voltage) connection Service Basics RTM Troubleshooting ECM motors 9

BTU 10G Goodman Air Conditioning Installation & Service Class 2009-2010 Rev 6/16/2009 1 Day Class Bercor No. Class Dates 9268 Feb, 16, 2010 GWB Louisville, 4842 Jennings Lane, Louisville, KY 9269 March 2, 2010 GWB Fishers*, 9004 Technology Dr., Fisher, IN. 9270 April 14, 2010 GWB Cicero 5430 W. Roosevelt Rd., Chicago, IL 9271 April 21, 2010 GWB Valparaiso, 390 East State Rd.2 Valparaiso, IN 9272 May 13, 2010 GWB Chicago, 825, E. 99 th Street, Chicago, IL Contact Store for 9273 May 19, 2010 GWB Aurora, 945 Aurora Ave, Aurora, IL All locations limited to 20 people or less to maintain quality of instruction for these new classes. Class Fee: $60 per Person for the class. Course materials, lunch and refreshments are included. Class from 8:45 am to 3:30 pm. Air Conditioning Installation & Service Class Specific manufacture of Air Conditioners this class will cover NATE (North American Technical Excellence testing. Air Conditioning Safety R22 and R410a Refrigerant Systems Heat Transfer Basics, - The Refrigeration Cycle - There are four main components in a refrigeration system: Compressors, Condenser, Metering Devices & Evaporator Air Conditioning Cycle Operation Using a P/T chart - Measuring supper heat and subcooling. R-410A Refrigerant What is it? Components that needed Redesigning for R- 410A Line Sets Brazing of R410a refrigerant lines and joints. Air Conditioning Condensing units Introduction to manufactures Air Conditioning Condensers Model Nomenclature Reading the Model Number & Serial Number Sizing Limitations Too small or too large? Selection of split system air conditioners Typical AC control circuits Installing and operating the condenser Air Conditioning Indoor Coils Introduction to manufactures Air Conditioning Coils- Model Nomenclature Matching existing 10 SEER coils with 13 SEER condensers & HPs. Metering Devices - Orifice & Thermo Expansion Valves - TXV Kits Indoor Coil Installation Commissioning the system AC Service Procedures Special Tools Required for R410a service Refrigerant Recovery, Recycle and Reclaim Evacuation Conditions that affect charging accuracy Methods of charging an air conditioner Check the airflow over the evaporator coil. Troubleshooting Air Conditioners Things you should know before starting Analyzing reported symptoms System Air Side Diagnostics Does the unit run? Yes or No Perform a preliminary system inspection Power off inspection, Check for: Power on inspection, Check for: Electrical Problem Diagnostics Is there a thermostat or transformer problem? Is there a problem with the indoor blower circuit? Voltage on Compressor Side of Contactor? Compressor and/or Condenser fan not running. No Voltage on Compressor Side of Contactor? Voltage on Line Side of Contactor Checking 2-Step Scroll for capacity change. With unit not running Refrigeration system pressure problems High head pressure problems Low head pressure problems Low Suction Pressure Problems Five operating characteristics needed for troubleshooting an AC system. Suction pressure, Unit coil superheat, Discharge pressure, liquid subcooling & Amp. Draw of condensing unit. Eleven common causes of problems in an AC system with restrictive metering device Eleven common causes of problems in an AC system with TXV metering device ECM Motors The ECM Technology construction, constant airflow and the air distribution system. Signal cable (low voltage) connection Service Basics RTM Troubleshooting ECM motors. NATE recognized class 1189-0019 for 6 recertification credits. 10

BTU 11 - Commercial Refrigeration Service Class 2009-2010 Rev6/30/09 1 Day - Class Bercor Commercial No. Refrigeration Systems 9229 October 7, 2009 GWB Aurora*, 945 Aurora Ave, Aurora, IL 9230 January 12, 2010 GWB Lafayette, 3845 Fortune Drive, Lafayette, IN. 9231 April 7, 2010 GWB South Bend Contact Store for All other locations limited to 20 people to maintain quality of instruction. Class Fee: $80 per Person for the one-day class. Course materials, lunch and refreshments are included. Class is from 8:00 am to 4:30 pm. The Instructor: Fred Paepke is a NATE Certified in Gas, Oil Furnaces, AC, Air Source HPs and Air Distribution Service Technician. Has 40 years of experience in the HVACR industry. Class Topics Fundamentals of Refrigeration Basic Refrigeration Principles The Refrigerant Cycle Refrigerants Refrigeration System Components Compressors air and refrigerant cooled Condensers - air and water cooled & evaporative Evaporators Refrigerant Control TXV, AXV & orifices Accessories - pressure controls, etc. Electrical Control Devices The Refrigeration Load (Box Sizing) Heat Transmissions Air Infiltrations Product Load Supplementary Loads Equipment Selections System Design (Selection of Components) Basic Application Recommendations Compressor Selection Low Temperature Systems Capacity Controls Liquid Refrigerant Control in Refrigeration and Air Conditioning systems Refrigeration System Electrical Control Circuits Installations and Service Refrigeration Piping Installation (& Operation of Refrigeration Systems). Servicing Compressors Fundamentals of Service Operations - Field Troubleshooting. Nate No. 1189-0018 Commercial Refrigeration Service Class 8 credits 11

BTU 12A Armstrong Air Source Heat Pump Installation & Service Class 2009 2010 Revised 6/16/2009 1 Day Class Bercor No. Air Source Heat Pumps 9140 Sept. 24, 2009 GWB South Bend Contact Store for 9141 Dec. 9, 2009 GWB Mc Henry, 4100 Albany Drive, Mc Henry, IL 9142 April 20, 2010 GWB Lafayette, 3845 Fortune Drive, Lafayette, IN. All locations limited to 20 people to maintain quality of instruction for this new classes. Class Fee: $60 per Person. Course materials, lunch and refreshments are included Registration & pretest at 8:45 am Class from 9:00 am to 3:30 pm.. Heat Pump Equipment Introduction to manufactures Heat Pumps Model Nomenclature reading the Model Number and Serial Number Product Specifications Equipment Specifications System Capacity and Operation Data ARI Equipment Selection Equipment Components and Accessories Typical Heat Pump Controls Heat Pump Selection Heat Pump Heating and Cooling Cycle Heat Basics: Saturation Temperature Sensible Heat Latent Heat of Hidden Heat Equipment Sizing Fuel Costs and Equipment efficiencies Types of Auxiliary Heat Thermal Balance Point Specific Formulas Design Temperatures Air Handlers and Indoor Coils Introduction to Manufactures Model Nomenclature Matching Indoor Coils to Selected Outdoor Units Metering Devices Orifices Thermo Expansion Valves (TXV Kits) Fossil Fuel Controls and Outdoor Thermostats Air Handler set up and operation Heat Pump Installation Setting of the Unit Refrigerant Line Sets and Long line Applications Charging methods Evacuation and leak testing Electrical Connections System Start up ECM Motors The ECM Technology constant airflow and air distribution system Signal Cable (low voltage) connection Service Basics RTM Troubleshooting ECM Motors Heat Pump Service Procedures Sequence of operation Detailed Functions of Controls: Defrost Control and Defrost Thermostat Reversing Valve Fossil Fuel Control Outdoor Thermostats Low Ambient Controls Service Valves, Accumulator and Bi-Flow Dryer Special Tools Required for R410a Service Refrigerant Recovery, Recycle and Reclaim Evacuation and Nitrogen Purging Methods of Charging: The Weigh-in Method Superheat Method Sub cooling Method Check and adjust Temperature Rise Adjust required CFM for Indoor Equipment Troubleshooting Heat Pumps Things you should know before starting Preventative Maintenance Diagnose the system failure and address the cause of the problem Analyzing reported symptoms System airside diagnostics Electrical controls testing Compressor Problems Refrigeration system pressure problems ARI matched systems and metering devices Wire Diagrams: Low voltage circuit Line voltage circuit NATE recognized class 1189-0020 for 6 recertification credits. 12

BTU 12G Goodman Air Source Heat Pump Installation & Service Class 2009-2010 Revised 6/16/2009 1 Day Class Bercor No. Air Source Heat Pumps 9265 Nov. 11, 2009 GWB Fishers*, 9004 Technology Dr., Fisher, IN. 9266 March 4, 2010 GWB Gary, 2310 W. 35 th Ave. Gary, IN 9267 May 18, 2010 GWB Rockford, 5206 Eleventh St., Rockford, IL. All locations limited to 20 people to maintain quality of instruction for this new classes. Class Fee: $60 per Person. Course materials, lunch and refreshments are included. Registration & pretest at 8:45 am Class from 9:00 am to 3:30 pm. Heat Pump Equipment Introduction to manufactures Heat Pumps Model Nomenclature reading the Model Number and Serial Number Product Specifications Equipment Specifications System Capacity and Operation Data ARI Equipment Selection Equipment Components and Accessories Typical Heat Pump Controls Heat Pump Selection Heat Pump Heating and Cooling Cycle Heat Basics: Saturation Temperature Sensible Heat Latent Heat of Hidden Heat Equipment Sizing Fuel Costs and Equipment efficiencies Types of Auxiliary Heat Thermal Balance Point Specific Formulas Design Temperatures Air Handlers and Indoor Coils Introduction to Manufactures Model Nomenclature Matching Indoor Coils to Selected Outdoor Units Metering Devices Orifices Thermo Expansion Valves (TXV Kits) Fossil Fuel Controls and Outdoor Thermostats Air Handler set up and operation Heat Pump Installation Setting of the Unit Refrigerant Line Sets and Long line Applications Charging methods Evacuation and leak testing Electrical Connections System Start up ECM Motors NATE recognized class 1189-0020 for 6 recertification credits. The ECM Technology constant airflow and air distribution system Signal Cable (low voltage) connection Service Basics RTM Troubleshooting ECM Motors Heat Pump Service Procedures Sequence of operation Detailed Functions of Controls: Defrost Control and Defrost Thermostat Reversing Valve Fossil Fuel Control Outdoor Thermostats Low Ambient Controls Service Valves, Accumulator and Bi-Flow Dryer Special Tools Required for R410a Service Refrigerant Recovery, Recycle and Reclaim Evacuation and Nitrogen Purging Methods of Charging: The Weigh-in Method Superheat Method Sub cooling Method Check and adjust Temperature Rise Adjust required CFM for Indoor Equipment Troubleshooting Heat Pumps Things you should know before starting Preventative Maintenance Diagnose the system failure and address the cause of the problem Analyzing reported symptoms System airside diagnostics Electrical controls testing Compressor Problems Refrigeration system pressure problems ARI matched systems and metering devices Wire Diagrams: Low voltage circuit Line voltage circuit 13

BTU 13 Ground Source Heat Pump Class 2009-2010 6/16/2009 1 Day Class Ground Source Heat Pumps Bercor No. Date 9125 Oct. 6, 2009 GWB Rockford, 5206 Eleventh St., Rockford, IL. 9126 Nov. 5, 2009 GWB Fort Wayne - Chamber of Commerce, 826 Ewing, Ft. Wayne, IN 9127 Dec. 1, 2009 GWB Indianapolis, 1920 South State Street, Indianapolis, IN 9128 Feb. 9, 2010 GWB South Bend Contact Store for 9129 April 13, 2010 GWB Lombard, * GWB, 1155 North Du Page Ave., Lombard, IL 9130 May 12, 2010 GWB Tinley Park, 7635 W 183 rd ST, Tinley Park, IL All locations limited to 20 people to maintain quality of instruction for this new classes. Class Fee: $80 per Person. Registration & pretest at 7:45 am Class from 8:00 am to 4:30 pm. Course materials, lunch and refreshments are included. Commercial Geothermal Heat Pump Products Commercial Boiler/Cooling Tower & Boiler Residential Geothermal Heat Pump Product Line Models Available 1. Vertical & Horizontal 2. Split System & Water to Water Geothermal Heat Pumps 1. Components - Refrigeration & Water Coils 2. Electronic Controls 3. Auxiliary Electric Heaters - Accessories 4. Hot Water Generator (HWG) Residential Ground Source Systems Ground Source Systems (Also Called Geothermal) How do they work? - Use the earth to provide heating, cooling and hot water for the home 1. Ground Water (Open) 2. Ground Loop/Closed Loop Calculating Length for Different Ground Loops 1. Vertical Loops 2. Horizontal Loops 3. Pond Loops 4. Antifreeze Closed Loop Types & Loop Start UP Pressurized VS Non-Pressurized Loops - Differences? Pressurized Loops 1. Use a Flow Controller 2. Pressure tests 3. Use a Flush Cart 4. Flow Controllers - Single & Two Pump Modules 5. Heat Pump / Circulator Pump Power Wiring 6. Loop Pressure Testing & Filling the Loop NATE recognized class 1189-0021 for 8 recertification credits. 7. Antifreeze Selection & Addition Non-Pressurized Loops - Why use it? 1. Guidelines for non-pressurized flow: 2. Specify Pumps Needed on Flow Center 3. Flow Center Installation, Loop Fill & Flush, Adding Antifreeze & Flow Center Start Up 4. How to Check System Flow - Flow Meter Tool Residential Ground Source Service & Installation Pre-Installation / Start-up 1. Review and use IOM Start Up Check List. 2. Unit Inspection & Duct Installation 3. Typical Heating & Cooling Cycle 4. Steps in Diagnostic Performance Check CXM Solid State Control - located in control box 1. CXM Control Features 2. CXM Dip Switches 3. CXM Fault Codes - TROUBLESHOOTING ECM Blower Motor & Control 1. ECM Interface Control Board 2. ECM Control Features PREVENTIVE MAINTENANCE 1. Water Coil (Direct ground water & other water loop applications) 2. Hot Water Generator Coils 3. Filters, Condensate Drain, Compressor, Fan Motors, Air Coil& Refrigerant System Pipe Fusion Types of Pipe Fusion 1. Socket Fusion < 2 2. Butt Fusion > 2 14

6/19/2009 Bercor Load Calculation No. 2 day Class 9150 Jan. 13 & 14, 2010 9151 Feb. 10 & 11, 2010 BTU 14 Commercial Load Calculation GWB Indianapolis, 1920 South State Street, Indianapolis, IN GWB Fort Wayne - Chamber of Commerce, 826 Ewing, Ft. Wayne, IN All locations limited to 20 people to maintain quality of instruction. Class 1 Fee: $250 per Person for two-day class. A $25 credit person when two or more people attend the class from the same company and are registered on the same Invoice. Registration at 7:45 & Class from 8:00 am to 4:30 pm. Course materials, lunch and refreshments are included. Text: The new Commercial Load Calculation Manual N 5ed. For Small Commercial Buildings. Feb. 2008. Part 1 Basic Manual N Procedure Types of Heating and Cooling Loads - Abridged Manual N Procedure Cooling Sensible & Latent Loads, Envelope Load and Space Load Design Load and Other Load Conditions Induced Infiltration & Dehumidification Loads Total Heating Load Equipment Sizing Load Making an Accurate Load Estimate Preparation of Forms and Worksheets Survey (Building and site evaluation) Important Issues and Concepts Space Heating & Cooling Load Diversity Sensible & Latent Equipment Sizing Load Adjustable Defaults and Fixed Values for N5AE Winter and Midsummer Design Conditions Outdoor Design Conditions for Heating and Cooling Load Calculations Fenestration Procedures Fenestration U-Value and SHGC Heating & Cooling HTM for Windows, Glass Doors and Skylights External Shade by Overhang or Awning Opaque Panel Loads Opaque Panel Loads for Heating and Sensible Cooling & Slab Floor Heating HTM Cooling Load Temperature Difference Values Internal Loads Heat Gain vs. Cooling Load Diversity Lighting Load, Occupancy Load and Office Equipment Gain and Load Rate to Infiltration Load & Attributes of Tightness Categories Duct Leakage and Intermittent Exhaust Room or Zone Infiltration Loads Duct Loads Default Duct Load Factors Duct Wall Insulation, Duct Leakage Default Duct-Wall Surface Area Duct Load Calculations Duct in Return Air Plenum Duct Run Routed through More than One Unconditioned Space Ventilation Loads Uncontrolled Ventilation and Engineered Ventilation and Ventilation Rate Sensible and Latent Load with Engineered Ventilation Outdoor Air Processed by Ancillary Equipment Combining Infiltration and Ventilation Air Distribution Loads (Blower Heat) Blower Load Caused by Friction and Inefficiency Default Blower Heat Factor Actual Blower Load Hands on Lab Reviewing Building Plans & Using Form Nae-1 to Completing Heating and Cooling Loads for a Commercial Building Commercial Load Software Using Software for Manual N Calculations ACCA Excel Manual Name Spread Sheet. What to Do Next Check and Trust Your Work Review the Suitability of the System Concept & Calculation Tool Use Manufacturer s Data to Select Equipment Codes and Standards System Commissioning Nate No. 1189-0022 Commercial Load Calculation 16 credits 15

Date NATE Testing Dates 2010 Rev 6/16/2009 Test Session Time of Day Testing Location TBD TBD TBD TBD All locations limited to 35 people by NATE directive. NATE Certification Exams Name of Test Bercor Number Exam Cost Service Each Core 9211 $ 120.00 Air Conditioning 9213 $ 120.00 Air Distribution 9215 $ 120.00 Gas Heat 9217 $ 120.00 Heat Pump 9219 $ 120.00 Oil Heat 9221 $ 120.00 Hydronics - Gas 9233 $ 120.00 Hydronics - Oil 9235 $ 120.00 Refrigeration Light Commercial 9180 $ 120.00 Refrigeration Commercial 9181 $ 120.00 Download KATEs (outlines of what is on the tests) from the FORMS & DATA page on the NATE web site (www.natex.org). Want a training manual? Check out the ACCA-PHCC-RSES joint effort Reference Manual: A Guide For NATE Certification. To order these, call ACCA (888-290-2220), PHCC (703-237-8100), or RSES (8000-297-5660). 16