Trane Engineers Newsletter LIVE: Coil Selection and Optimization

Trane Engineers Newsletter LIVE: In this ENL program, Trane engineers will discuss the application, selection, and optimization of both chilled-water and hot-water coils. Topics include a discussion about the impact of both water and air velocities on coil performance, a review of example selections for chilled-water and hot-water coils to demonstrate the tradeoffs of cost, pressure drop, and capacity, and an overview of various methods to prevent water coils from freezing during cold weather. After viewing this course you will be able to: identify the various configuration and construction options for chilled-water and hot-water coils, understand the impact of both water and air velocities on coil performance, evaluate water coil selection choices at various water temperatures and flow rates, understand the balance of coil face area, airside pressure drop, and waterside pressure drop when selecting a coil, and properly protect water coils from freezing, when necessary.
To download handouts or receive continuing education credit, please visit trane.com/ContinuingEducation.
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Chapters:
0:00 Introduction
1:38 Configuration Options
2:12 Construction Options
3:17 Water Flow Through Coils
3:34 Coil Circuiting
6:44 Guidelines for Water Velocity for AHRI certification chilled water for AHRI certification (chilled glycol)
12:05 Air Velocity Through Coils
12:17 Air Velocity-Related Concerns
12:43 Guidelines for Air Velocity
13:47 Avoiding Moisture Carryover
14:23 Factors Influencing Moisture Carryover
15:22 Same Fin Material, Different Fin Designs
16:25 Different Fin Materials, Same Fin Design
21:51 Moisture Carryover?
25:34 Example #2: APD versus WPD
29:51 Low-Flow Chiller Plants
30:42 Hot-Water Coils
34:51 Condensing Boiler Efficiency
39:32 Heating Mode vs. Reheat Mode
41:30 Chiller Plants with Heat Recovery
42:32 Drain Cooling Coils During Cold Weather
43:06 Coil Pumping
44:40 Freeze Protection ethylene glycol
45:25 Preheat the Entering Air
45:48 Use Air-Mixing Baffles
46:49 Coil Freeze Protection Options
47:19 Water Coil Downstream of a DX Coil