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// CODE SNIPPET

C403.10.2.1 Performance Standards (Mandatory)

Energy Conservation Code 2018 of Colorado > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.10 Refrigeration Equipment Performance > C403.10.2 Walk-In Coolers and Walk-In Freezers (Mandatory) > C403.10.2.1 Performance Standards (Mandatory)
JUMP TO FULL CODE CHAPTER
Effective January 1, 2020, walk-in coolers and walk-in freezers shall meet the requirements of Tables C403.10.2.1(1), C403.10.2.1(2) and C403.10.2.1(3).
TABLE C403.10.2.1(1)
WALK-IN COOLER AND FREEZER DISPLAY DOOR EFFICIENCY REQUIREMENTSa
CLASS DESCRIPTORCLASSMAXIMUM ENERGY CONSUMPTION (kWh/day)a
Display door, medium temperatureDD, M0.04 x Add + 0.41
Display door, low temperatureDD, L0.15 x Add + 0.29
  1. Add is the surface area of the display door.
TABLE C403.10.2.1(2)
WALK-IN COOLER AND FREEZER NONDISPLAY DOOR EFFICIENCY REQUIREMENTSa
CLASS DESCRIPTORCLASSMAXIMUM ENERGY CONSUMPTION (kWh/day)a
Passage door, medium temperaturePD, M0.05 x And + 1.7
Passage door, low temperaturePD, L0.14 x And + 4.8
Freight door, medium temperatureFD, M0.04 x And + 1.9
Freight door, low temperatureFD, L0.12 x And + 5.6
  1. And is the surface area of the nondisplay door.
TABLE C403.10.2.1(3)
WALK-IN COOLER AND FREEZER REFRIGERATION SYSTEM EFFICIENCY REQUIREMENTS
CLASS DESCRIPTORCLASSMINIMUM ANNUAL WALK-IN ENERGY FACTOR AWEF
(Btu/W-h)
Dedicated condensing, medium temperature, indoor systemDC.M.I5.61
Dedicated condensing, medium temperature, indoor system,
> 9,000 Btu/h capacity
DC.M.I,
> 9,000
5.61
Dedicated condensing, medium temperature, outdoor systemDC.M.I7.60
Dedicated condensing, medium temperature, outdoor system,
> 9,000 Btu/h capacity
DC.M.I,
> 9,000
7.60

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