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// CODE SNIPPET

503.3.2 Hydronic System Controls

Energy Conservation Code 2009 of Pennsylvania > 5 Commercial Energy Efficiency > 503 Building Mechanical Systems > 503.3 Simple HVAC Systems and Equipment (Prescriptive) > 503.3.2 Hydronic System Controls
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Hydronic systems of at least 300,000 Btu/h (87,930 W) design output capacity supplying heated and chilled water to comfort conditioning systems shall include controls that meet the requirements of Section 503.4.3.

Related Code Sections


503.3.2 Commercial Energy Efficiency, Hydronic System Controls
Hydronic systems of at least 300,000 Btu/h (87,930 W) design output capacity supplying heated and chilled water to comfort conditioning systems shall ...
Energy Conservation Code 2009 of Pennsylvania > 5 Commercial Energy Efficiency > 503 Building Mechanical Systems > 503.3 Simple HVAC Systems and Equipment (Prescriptive) > 503.3.2 Hydronic System Controls
C403.4.2 [CE] Commercial Energy Efficiency, Hydronic Systems Controls
Automatically vary fluid flow for hydronic systems with a combined motor capacity of 10 hp (7.5 kW) or larger with three or more control valves or other ...
Energy Conservation Code 2015 of Pennsylvania > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.4 Hydronic and Multiple-Zone HVAC Systems Controls and Equipment. (Prescriptive) > C403.4.2 Hydronic Systems Controls
C403.4.2.5 [CE] Commercial Energy Efficiency, Boiler Turndown
Boiler systems with design input of greater than 1,000,000 Btu/h (293 kW) shall comply with the turndown ratio specified in Table C403.4.2.5. The ...
Energy Conservation Code 2015 of Pennsylvania > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.4 Hydronic and Multiple-Zone HVAC Systems Controls and Equipment. (Prescriptive) > C403.4.2 Hydronic Systems Controls > C403.4.2.5 Boiler Turndown
C403.4.2.6 [CE] Commercial Energy Efficiency, Pump Isolation
Chilled water plants including more than one chiller shall have the capability to reduce flow automatically through the chiller plant when a chiller ...
Energy Conservation Code 2015 of Pennsylvania > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.4 Hydronic and Multiple-Zone HVAC Systems Controls and Equipment. (Prescriptive) > C403.4.2 Hydronic Systems Controls > C403.4.2.6 Pump Isolation
503.4.3.3 Commercial Energy Efficiency, Hydronic (Water Loop) Heat Pump Systems
Hydronic heat pump systems shall comply with Sections 503.4.3.3.1 through 503.4.3.3.3 ...
Energy Conservation Code 2009 of Pennsylvania > 5 Commercial Energy Efficiency > 503 Building Mechanical Systems > 503.4 Complex HVAC Systems and Equipment. (Prescriptive) > 503.4.3 Hydronic Systems Controls > 503.4.3.3 Hydronic (Water Loop) Heat Pump Systems
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