855773644-LEED-v5-BD-C-Reference-Guide-Launch-Edition - Page 292

Extracted Content

Heating equipment typeHeating equipment
efficiency rating
Equation to convert
to COP
Test
procedure
Electrically Operated DX-
DOAS Air-source heat pump
or water-source heat pump
ISCOP= ISCOPAHRI 920
Electrically operated water-
source heat pump, water-to-
water, water loop
COPH
68°F (20°C) entering
water
= COPHISO 13256-1
Electrically operated water-
source heat pump, water-to-
air, groundwater
COPH
50°F (10°C) entering
water
= COPHISO 13256-1
Electrically operated water-
source heat pump, brine-to-
air, ground loop
COPH
32°F (0°C) entering
water
= COPHISO 13256-1
Air-source heat pump and
heat recovery chiller
packages
COPH
at 17°F db/15°F wb (–
8.3°C db/–9.4°C wb),
Low leaving heating
water temperature =
105°F (40 °C)
= COPHAHRI 550/590
Air-source heat pump and
heat recovery chiller
packages
COPH at 17°F db/15°F
wb (–8.3°C db/–9.4°C
wb), Medium leaving
heating water
temperature = 120°F
(50 °C)
= 1.14 x COPH= 1.14 x COPH
Air-source heat pump and
heat recovery chiller
packages
COPH at 17°F db/15°F
wb (–8.3°C db/–9.4°C
wb), High leaving
heating water
temperature = 140°F
(60 °C)
= 1.37 x COPH= 1.37 x COPH
Water source electrically
operated positive
displacement.
(COPH evaluated at 54°F
(19°C) source water entering
temperature/44 °F (7°C)
source water leaving
temperature)
COPH
Low leaving hot water
temperature = 105°F
(40 °C)
= COPHAHRI 550/590
Water source electrically
operated positive
displacement.
(COPH evaluated at 54°F
(19°C) source water entering
temperature/44 °F (7°C)
source water leaving
temperature)
COPH
Medium leaving hot
water temperature =
120°F (50 °C)
= 1.26 x COPH= 1.26 x COPH
Water source electrically
operated positive
displacement.
(COPH evaluated at 54°F
(19°C) source water entering
temperature/44 °F (7°C)
source water leaving
temperature)
COPH
High leaving hot water
temperature = 140°F
= 1.73 x COPH= 1.73 x COPH
Water source electrically
operated positive
displacement or centrifugal.
(at 75°F/65 °F source
entering/leaving water
temperature)
COPH
Boost leaving hot water
temperature = 140°F
(60 °C)
= 1.31 x COPHAHRI 550/590
Electric furnaceAFUE= 1.0 x AFUE10 CFR 430
Appendix N
Electric boilerNone listedCOP = 0.96 if not
rated
10 CFR 430

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