REVIEW THE REFRIGERATION CYCLE

• Vapor Compression Cycle
• Evaporators, Condensers, Expansion Valves, Compressors

HOW DO HEAT PUMPS DO WHAT THEY DO?

• The Reversing Valve
• Extracting Heat/Energy from cold outdoor temperatures…How?

MINI-SPLITS

• Single Zone & Multi Zone applications for heating and cooling

HEAT PUMPS FOR DOMESTIC HOT WATER

• Residential Heat Pump Water Heaters
• Sizing and Applications
• Commercial HPWH for Apartment Buildings, Multi-Families, etc…
• Sizing and Applications

WHOLE HOME DUCTED HEAT PUMPS & MINI SPLITS

• Inverter Heat Pump combined with Air Handling Unit or A-Coil for ducted heating/cooling systems
• Single Zone or Multi Zone applications for heating and cooling

Centrotherm Venting Topics:

• Centrotherm Inno Flu polypropylene venting system
• Quick and easy installation method of the Gasketed Push-fit connection system
• The importance of UL1738 listing
• Approved by your trusted appliance manufacturers
• Flexible venting products for retrofit applications using chimneys or B-vent
• Best installation techniques

Venting DO's & DON'T Topics:

• Venting the correct way
• Proper termination locations and methods
• Understanding venting lengths
• Safe venting methods
• Local codes and standards

In this seminar you will learn the following:

• Installation Recommendations
• Sequence of Operation
• Maximizing Operation & Efficiency
• Combustion Adjustments
• Annual Maintenance Recommendations

In this seminar you will learn the following:

• Installation Recommendations
• Sequence of Operation
• Maximizing Operation & Efficiency
• Combustion Adjustments
• Annual Maintenance Recommendations

In this seminar you will learn the following:

• Installation Recommendations
• Sequence of Operation
• Maximizing Operation & Efficiency
• The Ins & Outs of the CREST Gas Train
• Combustion Adjustments
• Annual Maintenance Recommendations

In This Seminar You Will Learn About The Following:

• Overview
• Sizing considerations
• Installation

Crest Gas Train and Overview Topics:

• What is a Zero-governor system?
• How does it comply with 248 CMR 7
• Proper regulator sizing
• How does it operate with low gas pressure
• Low excess O2 across all modulation points

Domestic Hot Water Considerations Topics:

• Overview of Tank-less, Direct fired & Indirect
• Sizing considerations
• Potential pitfalls
• Water Chemistry

In this seminar you will learn the following:

• How to successfully install a New Steam Boiler into an Old System.
• The Proper techniques to remove air from a One Pipe System efficiently.
• Steam traps- How they work, Why they fail and What happens to the System’s Operation when they do.
• Flooding Boilers, Short Cycling Boilers- the Cause and the Cure.
• Condensate Pumps, Boiler Feed Pumps – the Difference between them and when to use each one.

In this seminar you will learn the following:

• How to use B&G’s System Syzer calculator…no more confusion about flow rates, temperature drops or pipe sizes.
• How to properly select circulators for any application.
• The “Point of No Pressure Change” and how it can impact the system’s operation.
• Applying Proper Air Management techniques to design “Trouble Free” hydronic systems.
• Expansion Tanks…Steel, Diaphragm and Bladder tanks, we will discuss proper sizing and use of all three styles.

In this seminary out will learn the following:

• A Brief history on how B&G developed this effective pumping technique.
• The Fundamentals of how this Pumping Concept works.
• A Detailed discussion on several Applications that benefit from Primary/Secondary Pumping.
• How to Apply this Pumping Strategy on your next job.

In this seminar you will learn the following:

• What an Electronically Commutated Magnetic pump is and how it differs from traditional pumps.
• The benefits of using ECM pumps on Modulating/Condensing Boilers.
• The onboard Microprocessor provides numerous hydraulic performance ranges within each pump model.
• Understand how to take advantage of Electric Utility incentive rebates for high efficiency ECM pumps.

In this seminar you will learn the following:

• How new Steam Boilers can create havoc in old Steam Systems.
• The Importance of how proper venting can improve operation of a One Pipe Steam System.
• Why Steam Traps need to be maintained to prevent Cold Rooms, High Fuel Bills and Unhappy Customers.
• Banging Pipes? Spitting Vents? We will discuss the importance of Near-Boiler Piping on these New Steam Boilers.

In this seminar you will learn the following:

• How to calculate the required flow rate in gallons per minute (GPM).
• Proper use of the calculator to select the proper size pipe for the required GPM.
• Accurate calculation of the frictional resistance for any flow rate and pipe size.
• How to calculate the proper velocity in a piping system to provide quiet and efficient operation.

In this seminar you will learn the following:

• Circulators – Learn how a circulator “pumps” water through the system, how to properly size them and where to locate them in the system.
• Zone Valves – Why use a zone valve instead of a circulator? We will discuss the design considerations…
• Flo Control Valves – What they do and what happens to the system when they aren’t working properly?
• Pressure Reducing Valves – what do they do and how are they properly set?
• Expansion Tanks – Why every system needs one, how they work and how to size them correctly.

Class 1 - System Overview

• Hydronic System Components
• Understanding a Pump Curve and The System Curve
• Bell & Gossett’s System Syzer (Both the Calculator Wheel & Mobile App)

Class 2 – Pumping Concepts

• Re-cap of Class 1
• Variable Speed Pumping
• Pump Affinity Laws
• ECM Pumping Selection & Application
• PLEV – Part Load Efficiency Values

Class 3 – System Design Strategies

• Air Management
• Expansion Tank Sizing
• Point of No Pressure Change (Proper Pump Location)
• Primary/Secondary Piping
• Variable Primary Flow Systems

Class 4 – Heat Transfer

• Heat Exchangers
• Different Types and Their Applications
• Sizing Examples
• Heat Pumps
• Domestic Hot Water Heat Pumps
• Heat Pumps & Fossil Fuel Back-up (Hybrid Application)

• Industry “Rules of Thumb” that will help you…
• Calculate the right GPM (gallons per minute)
• Select the proper pipe size for the flow rate
• Establish the Pump Head needed to circulate the required Flow Rate
• Proper Pump location and Why…
• How to properly set a PRV(fill valve) and charge the Expansion Tank.

Key benefits of outdoor reset:

• Easy installation and wiring
• Operate the boiler at the lowest possible temperature to improve efficiency
• Minimize ticking expansion noises in baseboards by preventing large temperature swings
• Improve the comfort of occupants by better matching the heat requirements based on outdoor temperature
• Expand boiler life cycle with the Automatic Boiler Differential feature to minimize boiler short cycling

tekmar’s new WiFi thermostats:

• Only two wires? Tekmar’s 2 wire Invita WiFi stat is the answer. Works with all HVAC systems.
• Floor sensor option for radiant systems
• Mobile app for iOS and Android
• Heat pump systems with a backup furnace or hydronic coil are called Dual Fuel or Hybrid systems.
• The Invita 564 can operate the heat pump or the backup system based upon the balance point/outdoor temperature.
• The Heat pump is turned off whenever the backup system is on, preventing the heat pump’s compressor from locking out.

Zoning Relay and Zone Valve Boxes:

• Connect ANY brand of low voltage thermostat
• End switch for use with on/off boiler or heat pump
• RoomResponse feature works with boilers that accept 0-10V (dc) or 4-20 mA
• Priority, priority override, exercising, post purge
• Domestic Hot Water options

In this seminar you will learn the following:

• Indoor/Outdoor Reset and the Unmatched Comfort it provides.
• Controls Automatically adjusts the System Water Temperature to match the Home’s needs.
• Zone Synchronization Coordinates the zone operation, Reducing Boiler Short Cycling and Improving Efficiency.
• Two Wire Communicating Thermostats make system upgrades simple.

The Controls are all WiFi Compatible for remote access with a Tekmar Gateway.

In this class you will learn about the following:

• Boiler Reset Controls for single boiler applications
• Boiler Staging Controls for multiple boiler applications
• Mixing Reset Controls for Radiant Heating applications.
• Setpoint Controls for DHW tank operation and Hot tub operation using pulse width modulation or on/off differential control