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Flashcards in Heat Emissions Units Deck (14)
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0

The primary purpose of a heating system is to:

Provide comfort to the individual in the space

1

In which direction does heat always travel?

From warm objects to cooler objects

2

What is considered when calculating heat loss?

Interior walls of the building

3

What is the heat loss limitation of a series-loop system?

60-70 MBH

4

ODT is an acronym for:

Outdoor design temperature

5

What is the definition of zoning?

An area or portion of a heating system served by one or more loops and individually controlled

6

What is the main function of the adjustable damper on a heat transfer unit?

To slow or increase the convection airflow

7

How much heat is available from 15' of wall f'in baseboard with a water supply of 1 gpm at 82.2* c (180*f)

8775 Btu

8

What must be selected prior to installing rough-in piping?

Heat transfer units

9

What is best location for installing baseboard fin

On exterior walls with or without windows

10

How much heat is available from 25' of finvector baseboard with a water supply temperature of 88*c two tier (rows) of 41/4"x 41/4" f'in with 11/4" IPS steel pipe

47,000 Btu

11

What can untreated water cause in a hydronic heating system?

Ferrous materials to oxidized

12

What is the main function of a zone valve in a hydronic heating system?

To start and stop the flow of water to a circuit

13

What are two types of hot water unit heaters?

Blow-through and Draw-through