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Question
- Match the terms with the correct definition.
| Definition | Key Term |
|---|---|
| 1) Nominal heating output of heat pump at 47°F (Btu/hr) as tested. | a. Design Heating Capacity |
| 2) Heat pump’s heating output at the outdoor air winter design temperature (Btu/hr). | b. Design Heating Load |
| 3) Overall cooling efficiency, typically ranges from 14-25. | c. Displacement Heating |
| 4) Lowest possible output for a given heat pump make and model at a given outdoor air temperature. | d. Heating Capacity @ 5°F |
| 5) Maximum heating capacity for a given heat pump make and model when the outdoor air temperature is 5°F. | e. Minimum Heating Capacity |
| 6) Instantaneous efficiency (heating or cooling), typically ranges from 2-5 for heat pumps and less than 1 for fossil fuel heating systems. | f. Multi, Mini, Package, Split |
| 7) Heating need to meet the target minimum winter indoor temperature setpoint (Btu/hr). | g. Rated Heating Capacity |
| 8) A design strategy where the heat pump is only intended to cover part of the home’s annual load, displacing heat that would otherwise come from another heating system. | h. Refrigerant |
| 9) A chemical compound that readily absorbs and releases heat by undergoing a phase change. Common types used in heat pumps include R410a, R32, R134a, R744 (CO2), R22 (phased out). | i. SEER |
| 10) System type descriptions. | j. HSPF |
| 11) Overall heating efficiency. Typical values are 7-18+. | k. COP |