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Author Question: Although air handler cabinets may be made of galvanized steel, there are still areas that may be ... (Read 48 times)

TFauchery

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on: Jul 26, 2018
Although air handler cabinets may be made of galvanized steel, there are still areas that may be subject to corrosion. Why?
 
  What will be an ideal response?

Question 2

Use Figure 26-25 to determine the refrigerant velocity through a 7/8 suction line on a walk in cooler with a capacity of 2 tons, an evaporator saturation temperature of 20F, and a condenser saturation temperature of 100F.
 
  What will be an ideal response?


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Kimmy

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Reply #1 on: Jul 26, 2018
Answer to Question 1

The sheet metal edge where the steel is cut and any scratches deeper than the galvanized surface will expose the bare steel. This will eventually lead to rust. Care must be taken when installing or performing maintenance on a unit not to scratch the surface.

Answer to Question 2

Approximately 2900 feet per minute


TFauchery

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Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

bdobbins

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Reply 3 on: Yesterday
Wow, this really help

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