Central heating and cooling system
[DOCX File]Section 23 82 16 - AIR COILS - Veterans Affairs
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Include system selector switch [HEAT-COOL-OFF] [and fan control switch (ON-AUTO)]. Provide double-acting thermostat with at least [ ]-stage heating and [ ]-stage cooling. Provide single-acting thermostat with at least [ ]-stage cooling. Locate thermostat in [room as shown on the Drawings] [supply air return as shown on the Drawings].
[DOC File]SECTION 237400 - PACKAGED OUTDOOR HVAC EQUIPMENT
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2.Central Outside-Air Duct: A central duct providing outside-air directly to the return plenum of a forced-air heating/cooling system which circulates fresh air to the required rooms (used with Forced Air Heating/Cooling System Integrated Design).
[DOCX File]APPENDIX A: BASIS OF DESIGN NARRATIVE AND SYSTEMS …
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The system shall poll each thermostat every 60 seconds to evaluate the number of heating and cooling calls in the System. Control decisions shall be Vote based. A priority selection device shall be available to weight or add priority to one or more zones from the system controller.
[DOCX File]Minimum Efficiency Requirements Tables for Heating and ...
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This Section includes the requirements for packaged, outdoor, central station air handling rooftop heating and cooling units with the following components and accessories: Unit casing. Fans. . Coils. Refrigerant circuit components. Air filtration. Dampers. Electric power connection. Controls. Accessories. Roof curbs.
[DOCX File]CHAPTER 1. DESIGN QUALIFICATION AND CERTIFICATION - …
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(1)Computer energy analysis (block load type) for buildings larger than 8,000 square feet requiring heating and cooling and larger than 20,000 square feet requiring heating only shall be used to study energy conservation features. Concurrence of systems to be studied should be obtained prior to conducting study.
[DOC File]Heating and Cooling in the CH2 Building - study outline
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Jan 14, 2021 · The desired maximum fins is 8 fins per inch. If more than two rows are required to meet heating loads on heating coils or if more than 8 rows are required to meet the cooling load on cooling coils, then the fins may be increased up to a maximum of 12 fins per inch as needed to keep the rows at 2 for heating 8 for cooling.
[DOC File]SECTION 237413 - ROOFTOP HEATING AND COOOLING UNITS
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The internal cooling loads in the central office zone are estimated to be 35.5 Wm-2 for 95 per cent of the time. The air temperature design criterion for this zone is 21-25C, but since the panels will provide radiant cooling, the objective of the system is to achieve a maximum resultant temperature of 23C.
[DOC File]Automatic Temperature Control Specification
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modelling of heating and/or cooling solutions and interactions with the energy network. retrofit options. technology choice. research on hydrogen use for heating and/or cooling. smart heat system optimisation . Research which supports providing a sustainable approach to decarbonising heating and cooling are particularly welcomed.
[DOCX File]DFD HVAC DESIGN CRITERIA
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j.section 23 73 00, indoor central-station air-handling units. k.section 23 74 13, packaged, outdoor, central-station air-handling units. l.section 23 82 00, convection heating and cooling units. 1.3 quality assurance . a.refer to paragraph, quality assurance, section 23 05 11, common work results for hvac.
Combined Heating & Cooling Units | Carrier Residential
MINIMUM EFFICIENCY REQUIREMENTS TABLES FOR HEATING AND COOLING PRODUCT CATEGORIES. The Federal Energy Management Program (FEMP) created tables that mirror American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) 90.1-2016 tables, which include minimum efficiency requirements for FEMP-designated and ENERGY STAR-qualified heating …
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