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### Subject HVAC R Systems and Equipment (2017 ASHRAE

· Ground source heat pump system can reduce energy consumption and CO2 emission of heating cooling and hot water supply system in buildings. The capacity of ground heat exchanger is subjected to the restriction of the building or site area and this leads frequently to the situation where the amount of heat supply from ground heat source does not balance the heat demand by whole the For the sake of this example we will use the rating for a Mitsubishi Hyper Heat™ heat pump which is rated to provide sufficient heat output down to -13 degrees Fahrenheit. Heat pumps are rated for "output." In this example when it is 30 degrees out a heat pump will easily produce 100 of its output at the highest efficiency.

Contact Online### Heat Pumps 101 We Answer 8 of The Most Common

For the sake of this example we will use the rating for a Mitsubishi Hyper Heat™ heat pump which is rated to provide sufficient heat output down to -13 degrees Fahrenheit. Heat pumps are rated for "output." In this example when it is 30 degrees out a heat pump will easily produce 100 of its output at the highest efficiency. · Ground source heat pump system can reduce energy consumption and CO2 emission of heating cooling and hot water supply system in buildings. The capacity of ground heat exchanger is subjected to the restriction of the building or site area and this leads frequently to the situation where the amount of heat supply from ground heat source does not balance the heat demand by whole the

Contact Online### Seattle.gov Home

· DTstd = 24 (full load kW/ton min eff at full load)x6.83 / "flow" Because KW/TON is a reciprocal of eff. Chiller Location Design Conditions for this Project (select from menu) C1= C2= C3= C4= kW/ton full load kW/ton min eff lift IPLV in kW/ton Kadj NPLV from table calc Chiller TYPES Menu 75 300 600 DO NOT DELETE THE TWO HIDDEN ROWS AT Btu and Tonnage Calculator. The size (cooling capacity) of your air conditioner is determined by the amount of Btu (British thermal unit) and the Tonnage (12.000 Btu = 1 Ton).

Contact Online### 2- Thermal Energy Storage Systems.pdf Air

· 2- Thermal Energy Storage Systems.pdfFree download as PDF File (.pdf) Text File (.txt) or read online for free. · Ground source heat pump system can reduce energy consumption and CO2 emission of heating cooling and hot water supply system in buildings. The capacity of ground heat exchanger is subjected to the restriction of the building or site area and this leads frequently to the situation where the amount of heat supply from ground heat source does not balance the heat demand by whole the

Contact Online### HVAC Sizing Air Conditioner Sizing Heater Sizing

So you have to calculate the output when you buy a gas furnace. (Oil furnaces on the other hand are rated by their output so a 60 000 BTU oil furnace will supply 60 000 BTUs.) The other mistake is to ignore the efficiency when replacing old equipment. · The above example evaluates savings for a new 350 ton chiller with full load efficiency of .5 kW/ton Since READI does not list a .5 kW/ton chiller savings must be interpolated from READI. Calculating 1. Plot kWh-saved vs. chiller-efficiency. The READI run provides two valuesabove pre-existing and above code. Current code is .576 kW/ton. 2.

Contact Online### Absorption Chiller Guideline Heat Exchanger

· Absorption Chiller GuidelineFree download as PDF File (.pdf) Text File (.txt) or read online for free. g · Energy Savings = ((kW) HRS LF. Definition of Variables (kW = kW Savings at full load. HP = Rated horsepower of qualifying motor from nameplate/manufacturer specs. LF = Load Factor percent of full load at typical operating condition. IFVFD = VFD Interaction Factor 1.0 without VFD 0.9 with VFD. ηbase = Efficiency of the baseline motor

Contact Online### Cooling LoadConvert kW/ton to COP or EER

Cooling Load inKw/Ton · The new chiller plant including the pumps and fans performed at an average efficiency of 0.538 kilowatts (kW) per ton. Traditionally a plant efficiency of 0.7 to 0.8 kW/ton is considered good in the under-300-ton size range and most plants operate at 1.0 kW/ton or above. The old air-cooled chiller plant was measured as using around 1.48 kW/ton.Contact Online### Btu and Tonnage Calculator Kobie Complete

Btu and Tonnage Calculator. The size (cooling capacity) of your air conditioner is determined by the amount of Btu (British thermal unit) and the Tonnage (12.000 Btu = 1 Ton). Cooling Capacity of Chiller (Kw) 347 Electricity Consumption of Chiller (KWH) 117.485 Operating Current of Chiller (A) 210 COP of chiller 2.95 Cooling Capacity of Fan coil unit (KW) 6.8 I would like to seek someone help for assessing the below calculation for energy saving. (347-6.8)/2.95 = 115.322KWH

Contact Online### How to Calculate Heat Pump COPNordic Heat Pumps

· Our manuals account for this and we calculate separate COP s for each stage. For example the four-ton water to air heat pump we looked at above has a COP of 4.10 in stage 1 and 3.89 in stage 2 while in heating mode on a closed loop. You can estimate an average COP by adding these two together and dividing by two (4.20 3.89) / 2 = 4.05 units with a cooling capacity around 5 tons (18 kW). The energy use of new centrifugal compressors dropped considerably from an average of 0.85 kW/ton (4.14 COP) in the late 1970s in the United States to 0.60 kW/ ton (5.86 COP) in 1996. In. 1997 the lowest-energy-use new centrifugal chiller is 0.49 kW /ton (7.17 COP).

Contact Online### Heating Cooling Chiller Air Conditioning Hvac

· The new chiller plant including the pumps and fans performed at an average efficiency of 0.538 kilowatts (kW) per ton. Traditionally a plant efficiency of 0.7 to 0.8 kW/ton is considered good in the under-300-ton size range and most plants operate at 1.0 kW/ton or above. The old air-cooled chiller plant was measured as using around 1.48 kW/ton. What is the atmospheric pressure expressed in psi and in in. Hg 2.30 A refrigeration unit has a cooling capacity of 327 000 BTUlhr. Express this capacity in tons of refrigeration and in KW. 2.31 A water chiller with a capacity of ISO tons of refrigeration cools 320 GPM of water entering the chiller at 52 F.

Contact Online### How to Calculate Heat Pump COPNordic Heat Pumps

· Our manuals account for this and we calculate separate COP s for each stage. For example the four-ton water to air heat pump we looked at above has a COP of 4.10 in stage 1 and 3.89 in stage 2 while in heating mode on a closed loop. You can estimate an average COP by adding these two together and dividing by two (4.20 3.89) / 2 = 4.05 · The above example evaluates savings for a new 350 ton chiller with full load efficiency of .5 kW/ton Since READI does not list a .5 kW/ton chiller savings must be interpolated from READI. Calculating 1. Plot kWh-saved vs. chiller-efficiency. The READI run provides two valuesabove pre-existing and above code. Current code is .576 kW/ton. 2.

Contact Online### E-business energy facility management Sioros Donna

Contributions from 98 top experts cover the full spectrum of advanced solutions including fuel cell developments energy storage solar power advances HVAC system optimization chiller efficiency improvement geothermal heat pump technology advances variable speed drive application opportunities cooling tower optimization cogeneration and The ton of cooling load can be calculated as Cooling load = 500 (1 gal/min) (10o F) / 12 000 = 0.42 ton The efficiency of chillers depends on the energy consumed. Absorption chillers are rated in fuel consumption per ton cooling. Electric motor driven chillers are rated in kilowatts per ton cooling. KW/ton = 12 / EER KW/ton = 12 / (COP x 3.412)

Contact Online### 9. ENERGY PERFORMANCE ASSESSMENT OF HVAC

File Size 415KB · A 1000 ton chiller typically has a motor rate at 700 hp. Improving the chiller performance has immediate benefit to the building operating cost. Chiller full load efficiency ratings are usually given in the form of kW/ton COP (Coefficient of the Performance) or EER (Energy Efficiency Ratio).Contact Online### hvacSlideShare

The ton of cooling load can be calculated as Cooling load = 500 (1 gal/min) (10o F) / 12 000 = 0.42 ton The efficiency of chillers depends on the energy consumed. Absorption chillers are rated in fuel consumption per ton cooling. Electric motor driven chillers are rated in kilowatts per ton cooling. KW/ton = 12 / EER KW/ton = 12 / (COP x 3.412) · Another useful energy efficiency rating is the "integrated part-load value" or IPLV. The IPLV is a single-number figure of merit based on part-load COP or kW/ton. Part-load efficiency for equipment is based on the weighted operation at various load capacities for the equipment.

Contact Online### Subject HVAC R Systems and Equipment (2017 ASHRAE

· Ground source heat pump system can reduce energy consumption and CO2 emission of heating cooling and hot water supply system in buildings. The capacity of ground heat exchanger is subjected to the restriction of the building or site area and this leads frequently to the situation where the amount of heat supply from ground heat source does not balance the heat demand by whole the · Incentives are for electrical energy savings. The amount of the incentive varies according to the complexity of the project submitted. In the present case the incentive has been calculated using the difference of energy consumption between the system with R22 and every other replacement systems. The assumption is based on 0.15 per kWh saved.

Contact Online### Convert EER SEER COP for air conditioning systems free

COP = Output heating or cooling in Wh / input electrical energy in Wh Note that for cooling system it is better to use EER coefficient. The relation between EER and COP is EER = COP 3.41 What is EER definition and formula. EER = Energy Efficiency Ratio ratio used to evaluate efficiency Headquarter 1230 Higuera St. San Luis Obispo CA 93401 805 547 2050

Contact Online### Energy Saving Fact Sheet ChillersNorth Carolina

File Size 345KB · Five existing chillers with total capacity of 6 500 tons now remain off during the day. Mechanical cooling systems now operate more effi- ciently because they are more fully loaded (0.85 kW/ton versus the previ- ous 0.95 kW/ton) and produce 13 per- cent more annual ton-hours of cooling.Contact Online### การตรวจสอบและวิเคราะห์การท า

· kW/ton = 3.516/COP COP = 3.516/(kW/ton) Promoting of Energy Efficiency in Commercial Buildings PEECB มาตรฐานอ้างอิงส าหรับการวิเคราะห์สมรรถนะท าความเย็น units with a cooling capacity around 5 tons (18 kW). The energy use of new centrifugal compressors dropped considerably from an average of 0.85 kW/ton (4.14 COP) in the late 1970s in the United States to 0.60 kW/ ton (5.86 COP) in 1996. In. 1997 the lowest-energy-use new centrifugal chiller is 0.49 kW /ton (7.17 COP).

Contact Online### Seattle.gov Home

· DTstd = 24 (full load kW/ton min eff at full load)x6.83 / "flow" Because KW/TON is a reciprocal of eff. Chiller Location Design Conditions for this Project (select from menu) C1= C2= C3= C4= kW/ton full load kW/ton min eff lift IPLV in kW/ton Kadj NPLV from table calc Chiller TYPES Menu 75 300 600 DO NOT DELETE THE TWO HIDDEN ROWS AT · Base modelValues represent a 100-ton air-cooled electric chiller operated for 2 000 full-load hours per year with an EER of 9. The performance of this standard unit is based on ASHRAE Standard 90.1. Default valuesThe values pre-loaded into the calculator represent average operating conditions in the Federal sector. Calculations assume that efficiency ratings entered by the user are based

Contact Online### New Jersey Clean Energy Collaborative

· Energy Savings = ((kW) HRS LF. Definition of Variables (kW = kW Savings at full load. HP = Rated horsepower of qualifying motor from nameplate/manufacturer specs. LF = Load Factor percent of full load at typical operating condition. IFVFD = VFD Interaction Factor 1.0 without VFD 0.9 with VFD. ηbase = Efficiency of the baseline motor · Five existing chillers with total capacity of 6 500 tons now remain off during the day. Mechanical cooling systems now operate more effi- ciently because they are more fully loaded (0.85 kW/ton versus the previ- ous 0.95 kW/ton) and produce 13 per- cent more annual ton-hours of cooling.

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NanHuan Road, GongYi City, Henan Province, China

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