3
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Physical Data
Model UCW/H Module and Compressor
30 50 70 85
Capacity (tons) ¹
31.7 51.5 67.2 82.8
kW/Ton
0.738 0.746 0.744 0.740
16.3 16.1 16.1 16.2
Refrigerant Circuits (quantity)
2 2 2 2
Compressor Type
Scroll Scroll Scroll Scroll
Compressor Quantity
2 2 2 2
Compressor Nominal Hp (per circuit)
15 25 35 40
Refrigerant Charge R-410A (lbs)
30 55 60 80
Module Operating Weight w/Water (lbs)
3
1565 2405 2515 3075
Module Shipping Weight (lbs)
Heat Exchanger (type)
Brazed Plate Brazed Plate Brazed Plate Brazed Plate
Independent Refrigerant Circuits (quantity)
2 2 2 2
Water Storage Volume HX Only (gals)
3.2 6.1 7.3 11.4
Water Storage Volume HX Plus Main Headers (gals)
13.1 16.7 17.9 26.2
Maximum Design Working Pressure - Water Side (psi)
300 300 300 300
Header Water Connections - Inlet/Outlet (inches)
Heat Exchanger (type)
Brazed Plate Brazed Plate Brazed Plate Brazed Plate
Independent Refrigerant Circuits (quantity)
2 2 2 2
Water Storage Volume HX Only (gals)
2.8 5.1 6.5 9.7
Water Storage Volume HX Plus 6" Main Headers (gals)
12.8 15.7 17.1 24.5
System Volume (gals)
6
Min
180 300 420 510
Maximum Design Working Pressure - Water Side (psi)
300 300 300 300
Header Water Connections - Inlet/Outlet (inches)
5
6 6 6 8
1.
2.
3.
4. Unit shipping weight includes refrigerant charge, compressor oil and packaging.
5.
6. Required to provide stable operation. Storage/buffer tanks in return piping may be utilized to meet the minimum volume requirements.
85 ton module cannot be directly coupled with 30, 50 or 70 ton modules due to a difference in header and frame size.
Module operational weight includes water, compressor oil, and refrigerant charge. Multiply times the number of modules for a total system
operational weight.
Tonnage ratings conditions: 44°F leaving chilled water temperature, 85°F entering condenser water temperature, flow rates are 3 gpm per ton
through the condenser with a fouling factor of .00025 hr-ft2-°F/Btu and 2.4 gpm per ton through the evaporator with a .0001 hr-ft2-°F/Btu fouling
factor.
Ratings in accordance with AHRI Standard 550/590.
Main header water/fluid connections are 6" grooved coupling for the 30, 50 and 70 ton modules. The 85 ton module uses 8" grooved couplings.
Model UCW/H Module and Compressor
30 50 70 85
Capacity (tons) ¹
31.7 51.5 67.2 82.8
kW/Ton
0.738 0.746 0.744 0.740
16.3 16.1 16.1 16.2
Refrigerant Circuits (quantity)
2 2 2 2
Compressor Type
Scroll Scroll Scroll Scroll
Compressor Quantity
2 2 2 2
Compressor Nominal Hp (per circuit)
15 25 35 40
Refrigerant Charge R-410A (lbs)
30 55 60 80
Module Operating Weight w/Water (lbs)
3
1565 2405 2515 3075
Module Shipping Weight (lbs)
Heat Exchanger (type)
Brazed Plate Brazed Plate Brazed Plate Brazed Plate
Independent Refrigerant Circuits (quantity)
2 2 2 2
Water Storage Volume HX Only (gals)
3.2 6.1 7.3 11.4
Water Storage Volume HX Plus Main Headers (gals)
13.1 16.7 17.9 26.2
Maximum Design Working Pressure - Water Side (psi)
300 300 300 300
Header Water Connections - Inlet/Outlet (inches)
Heat Exchanger (type)
Brazed Plate Brazed Plate Brazed Plate Brazed Plate
Independent Refrigerant Circuits (quantity)
2 2 2 2
Water Storage Volume HX Only (gals)
2.8 5.1 6.5 9.7
Water Storage Volume HX Plus 6" Main Headers (gals)
12.8 15.7 17.1 24.5
System Volume (gals)
6
Min
180 300 420 510
Maximum Design Working Pressure - Water Side (psi)
300 300 300 300
Header Water Connections - Inlet/Outlet (inches)
5
6 6 6 8
1.
2.
3.
4. Unit shipping weight includes refrigerant charge, compressor oil and packaging.
5.
6. Required to provide stable operation. Storage/buffer tanks in return piping may be utilized to meet the minimum volume requirements.
85 ton module cannot be directly coupled with 30, 50 or 70 ton modules due to a difference in header and frame size.
Module operational weight includes water, compressor oil, and refrigerant charge. Multiply times the number of modules for a total system
operational weight.
Tonnage ratings conditions: 44°F leaving chilled water temperature, 85°F entering condenser water temperature, flow rates are 3 gpm per ton
through the condenser with a fouling factor of .00025 hr-ft2-°F/Btu and 2.4 gpm per ton through the evaporator with a .0001 hr-ft2-°F/Btu fouling
factor.
Ratings in accordance with AHRI Standard 550/590.
Main header water/fluid connections are 6" grooved coupling for the 30, 50 and 70 ton modules. The 85 ton module uses 8" grooved couplings.
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