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Smart Pump Secondary Hydronic
Smart Pump Secondary Hydronic

Using ECM Smart Circulator Pumps in Primary Pump Applications in Hydronic Systems

RL Deppmann May 19, 2025Pumps, ECM, Variable Speed, ECM, Monday Morning Minutes

Last week I featured the ECM High-Efficiency Smart Circulator Pump used in a secondary application. This week the R.L. Deppmann Monday Morning Minutes continues to …

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monday morning minutesPumpsECMvariable speed
ecocirc_smart_pump
ecocirc_smart_pump

Smart ECM Pump Applications – Variable Speed Heating & Cooling System

RL Deppmann May 5, 2025Pumps, ECM, Variable Speed, ECM, Monday Morning Minutes

ECM (Electronically Commutated Motor) pumps have electronics built into them which may be used to vary the speed of the pump. If the pump manufacturer …

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ECMvariable speedmonday morning minutesPumps
ECM Optional Motor
ECM Optional Motor

How Can an ECM Smart Pump Save Energy?

RL Deppmann April 28, 2025Monday Morning Minutes, Pumps, ECM, Variable Speed, ECM

Pumps with ECM or Electronically Commutated Motors have the ability to vary the speed of the pump built into the motor. Can you control the …

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PumpsECMvariable speed
hydronic pump
hydronic pump

Create a New Variable Speed Pump Control Curve after Hydronic Balancing

RL Deppmann April 14, 2025Commissioning and Balance, Pumps, Monday Morning Minutes, Pumps, Variable Speed, Commissioning and Balance

This week, the R. L. Deppmann Monday Morning Minutes will explain how to show multiple speeds on a pump curve and how to determine what …

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commissioning and balancePumpsvariable speedmonday morning minutes
hydronic pump
hydronic pump

Hydronic Pump Balance Using the Variable Speed Drive (VFD) with No Balance Valve on Pump

RL Deppmann April 7, 2025Commissioning and Balance, Commissioning and Balance, Pumps, Monday Morning Minutes, Pumps, Variable Speed

When there is no hydronic pump discharge balance valve, the variable frequency drive (VFD) is an important part of the balance procedure. How does the …

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commissioning and balancePumpsvariable speedmonday morning minutes

Hydronic Pump Balance using the Variable Speed Drive (VFD) with Assistance from a Triple Duty Valve

RL Deppmann March 31, 2025Commissioning and Balance, Commissioning and Balance, Pumps, Monday Morning Minutes, Pumps, Variable Speed

Most centrifugal pumps in heating and cooling systems have some oversizing in the head calculation. Once the HVAC hydronic system is proportionally balanced per ASHRAE …

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monday morning minutescommissioning and balancePumpsvariable speed
Bell & Gossett Impeller
Bell & Gossett Impeller

Variable Speed Hydronic Pump Selection – Should I Specify the Largest Impeller?

RL Deppmann March 24, 2025Monday Morning Minutes, Pumps, Variable Speed, Selection and Specification

We recently received an inquiry from an engineering firm deciding whether to change their pump schedule. They currently select the pumps at design capacity and …

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selection and specificationPumpsvariable speedmonday morning minutes

Permanent Magnet (PMAC) Motors & Electrically Commutated (ECM) Motors in Hydronic Systems (Part 3 of 3)

RL Deppmann March 17, 2025Hydronic Design, Monday Morning Minutes, Pumps

You understand the differences between premium efficiency (IE3) motors and PMAC or ECM motors (IE4&5). You understand the cost implications of both styles of motors. …

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HydronicsPumpshydronic systems
IEC motor efficiency graph
IEC motor efficiency graph

Permanent Magnet (PMAC) Motors & Electronically Commutated (ECM) Motors in Hydronic Systems (Part 2 of 3)

RL Deppmann March 10, 2025Pumps, Hydronic Design, Monday Morning Minutes

Can I and should I specify permanent magnet motors (PMAC) on my hydronic system pumps? The last R. L. Deppmann Monday Morning Minutes showed the …

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HydronicsPumpsNorm Hallhydronic systems
IEC motor efficiency graph
IEC motor efficiency graph

Permanent Magnet (PMAC) Motors & Electronically Commutated (ECM) Motors in Hydronic Systems (Part 1)

RL Deppmann March 3, 2025Monday Morning Minutes, Pumps, ECM

Hydronic system pumps and other HVAC and plumbing equipment will often have a variety of motor choices to specify. One of the newer additions to …

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HydronicsPumpsMotorsECMhydronic systemshydronic system
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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
      • Water Heater Stock
      • Boiler Stock
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Solutions
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Water Solutions
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Basic Hydronic Blog Articles
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News