chapter 37 2025

Front

A(n) _____ heat pump uses a water coil to transfer heat between the refrigerant and the ground or water loop.

Back

water-source

Front

A(n) _____ geothermal heat pump system uses wells or lakes as their water source to supply both the supply and discharge water for the system.

Back

open-loop

Front

The term loop refers to tubing that _____?

Back

carries water or a water solution.

Front

A water loop should be submerged at least _____ feet deep in a pond or lake.

Back

6

Front

Ground loops can be subclassified as all of the following, except _____: A. series or parallel, C. horizontal or vertical, D. open or closed

Back

air-to-air

Front

A unique step in the installation of a geothermal heat pump system and other HVAC systems is the addition of _____?

Back

water-in and water-out piping

Front

Outdoor coils for a geothermal heat pump system are generally installed by _____?

Back

landscapers

Front

Two common causes of outdoor coil issues are _____: A. leaks in the piping and a faulty centrifugal pump, B. a bad compressor and dirty air filter, C. poorly insulated piping and slow water flow, D. ground temperature fluctuations and excess moisture

Back

leaks in the piping and a faulty centrifugal pump