Performance Rating of Unitary Air-conditioning & Air ...

Aug 15, 2013 · 2.2.5 Water-source Heat Pumps, Ground Water-source Heat Pumps, or ground-source closed-loop Heat Pumps as ... 2.2.8 Variable Refrigerant Flow Air Conditioners and Heat Pumps as defined in AHRI Standard 1230 with capacities of 65,000 Btu/h and greater. 2.2.9 Single Packaged Vertical Units as defined in ANSI/AHRI Standard 390. Section 3 ...

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A Practical Introduction to Facilities Management

Ground source heat pumps 183 Air source heat pumps 184 Biomass boilers 184 Solar thermal panels 185 ... VRF Variable refrigerant flow WEE Waste Electrical Equipment To aid you through this book, various key pieces of information will be highlighted in the following way.

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Specification Catalog - Smarter From The Ground Up

Jun 11, 2015 · Variable Speed ECM or 5-Speed ECM Motor AHRI/ASHRAE/ISO 13256-1 English (IP) Units Model Capacity Modulation Flow Rate Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump Cooling EWT 86° F Heating EWT 68° F Cooling EWT 59° F Heating EWT 50° F Cooling Brine Full Load 77° F Part Load 68° F Heating Brine Full Load …

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Geothermal Heat Pump Design Manual - 15000 Inc

variable flow (6.3.4), and that each water source heat pump have a two position isolating valve that closes when the compressor is not operating (6.3.4.4). Figure 2 shows the annual energy savings from switching to variable flow for the example shown in Figure 1. Variable flow offers an additional $6,000/year in savings.

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Water Source Heat Pump Systems - Sigler Commercial

Oct 04, 2017 · WATER SOURCE HEAT PUMP SYSTEMS Commercial HVAC Systems 3 Cooling Mode In the cooling mode, the WSHP unit’s refrigerant-to-water heat exchanger acts as a condenser and its refrigerant-to-air heat exchanger acts as an evaporator. The reversing valve is energized for cooling.

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TRNSYS 17 - MIT

4.12.3 Type 38: Algebraic tank (Plug-flow) 4–380 4.12.4 Type 39: Variable volume tank 4–386 4.12.5 Type 60: Stratified fluid storage tank with internal heat exchangers 4–390 4.13 Utility 4–396 4.13.1 Type 9: Data reader (Generic data files) 4–398 4.13.2 …

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