Maricopa Community Colleges  HVA135   19944-19964 
Official Course Description: MCCCD Approval: 04/23/96
HVA135 19944-19964 L+L 3 Credit(s) 5 Period(s)
Hydronics
Utilization of circulating water to provide heating and/or cooling. Study of systems types, sizing of equipment and piping, and application to cooling tower systems and chilled water systems. Prerequisites: None.
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MCCCD Official Course Competencies:
 
HVA135   19944-19964 Hydronics
1. Describe the basic principles of indirect domestic hot water heaters. (I)
2. Size heaters and storage tanks according to accepted practices. (II)
3. Describe and illustrate the basic principles of forced heating and cooling systems. (III)
4. Layout a two-pipe hydronic heting-cooling system. (IV)
5. Size the piping and select the proper pump for a two-pipe hydronic heating-cooling system. (V)
6. Layout a cooling tower with proper pipe size and pump selection. (V)
7. Compare mechanical and electrical hydronic system controls. (VII)
8. Compare monoflow, three-pipe and four-pipe systems. (VIII)
9. Evaluate hydronic systems for foot-head, pressure drop and friction. (IX)
10. Design and layout piping for closed loop heat pumps. (X)
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MCCCD Official Course Outline:
 
HVA135   19944-19964 Hydronics
    I. Introduction to hydronic systems
        A. Define of hydronic terms
        B. Operation of the heater
        C. Tank and tankless hot water heaters
        D. Indirect water heaters storage tank selection
        E. Indirect water heates storage tank seletion
      II. Equipment selection and pipe sizing
          A. Choosing system types
          B. Boilers and emitters
        III. Principles of forced hot water heating
            A. Pressure drop
            B. Head pressure
            C. Static pressure
            D. Gravity vs. forced systems
          IV. Two-pipe hydronic system design
              A. Direct return systems
              B. Reverse return systems
              C. Procedure for designinig systems
            V. Pipe sizing and selection
                A. Pump design
                B. Pump curves
                C. Pump efficiencies
              VI. Cooling towers
                  A. Sizing piping
                  B. Pump selection
                VII. Hydronic system controls
                    A. Mechanical controls
                    B. Electrical controls
                  VIII. Monoflow, three-pipe and four-pipe
                      A. Monoflow systems
                      B. Three-pipe systems
                      C. Four-pipe systems
                    IX. Evaluation
                        A. Foot-head
                        B. Pressure drop
                        C. Friction
                      X. Water source heat pumps
                          A. Well
                          B. Ground loop
                          C. Pump size
                          D.
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