Water-Fired Chiller Specifications for Efficient Cooling and Fuel Switching


Key Features: Fuel Switching, Waste Heat Recovery, and Cogeneration


Water Fired Single-Effect Chillers and Chiller-Heaters

Specifications

Yazaki’s water-fired thermal chillers are engineered for maximum efficiency and flexibility in various industrial applications. Designed with advanced fuel switching capabilities, these chillers allow for seamless transitions between energy sources like biomass and natural gas, supporting carbon neutral and sustainable operations. Whether it's for process cooling, load shifting, or waste heat recovery, these chillers deliver reliable, cost-effective cooling solutions for demanding industrial environments.

Model
WFC-
SC5
SC/SH10
SC/SH20
SC/SH30
SC50
M100
Cooling
Mbtuh
 60.0 120.0 240.0 360.0 600.0 1200.0
Heating (WFC-SH Only)
Mbtuh
 --- 166.3 332.6 498.9 --- ---
Chilled/Hot
Water		 Cooling
°F
 54.5 Inlet / 44.6 Outlet (54.0 Inlet / 44.0 Outlet for M100)
Heatng
°F
 --- 117.3 Inlet / 131.0 Outlet (WFC‐SH Models Only) ---
Rated Water Flow
GPM
 12.1 24.2 48.4 72.6 121.1 242.5
Evaporator Pressure Loss
PSI
 7.6 8.1 9.6 10.1 6.4 10.5
Max Operating Pressure5
PSI
 85.3 (High Pressure Option Available)4 150.0
Allowable Water Flow
% of Rated
 80% - 120%
Water Retention Volume
Gal
 2.1 4.5 12.4 19.3 33.6 32.0
Cooling Water Total Heat Rejection
Mbtuh
 145.7 291.4 582.8 874.2 1457.0 2917.0
Temperature
°F
 87.8 Inlet / 95.0 Outlet (85.0 Inlet / 95.7 Outlet for M100)
Rated Water Flow1
GPM
 40.4 80.8 161.7 242.5 404.5 539.5
Allowable Water Flow
% of Rated
 100%-120%
Absorber Pressure Loss
PSI
 5.6 12.3 6.6 6.7 6.6 9.6
Condenser Pressure Loss
PSI
 5.6 Included in Absorber 6.6 6.7 3.2 Included in Absorber
Max Operating Pressure5
PSI
 85.3 (High Pressure Option Available)4 150.0
Water Retention Volume
Gal
 9.8 17.4 33.0 51.3 87.2 111.5
Heat
Medium7		 Heat Input
Mbtuh
 85.7 171.4 342.8 514.2 857.0 1717.0
Temperature
°F
 190.4 Inlet / 181.4 Outlet (194.0 Inlet / 176.0 Outlet for M100)
Allowable Temperature
PSI
 158.0 - 203.0
Generator Pressure Loss
PSI
 11.2 13.1 6.7 8.8 13.6  
Max Operating Pressure
PSI
 85.3 / {No High Pressure Option}
Rated Water Flow
GPM
 19.0 38.0 76.1 114.1 190.4 195.9
Allowable Water Flow
% of Rated
 30%-120%
Water Retention Volume
Gal
 2.6 5.5 14.3 22.2 39.7 66.0
Electrical8 Power Supply 115 / 60/ 1 208 volts AC / 60 Hz / 3-Phase
Consumption2
Watts
 48 210 260 310 670 620
Minimum Circuit Amps
Amps
 0.89 0.6 0.9 2.6 4.7 2.4
MOCP - Max. Fuse Size
Amps
 15
Capacity Control On - Off Proportional or On/Off
Construction Dimensions3
Width
Inches
 23.4 29.9 41.9 54.3 70.3 59.4
Depth
Inches
 29.3 38.2 51.2 60.8 77.2 144.0
Height
Inches
 69.1 74.8 79.1 80.5 82.1 88.6
Weight
Dry
Ibs
 805 1100 2050 3200 4740 10891
Operating
Ibs
 926 1329 2548 3975 5955 12655
Cabinet NEMA 3R, Silver Metallic Pre-Painted Hot Dip Zinc-Coated Sheet Steel
Noise Level9
dB(A)
 38 49 46 51 56
Piping Chilled/Hot Water
Inches
 1-1/4 NPT 1-1/2 NPT 2 NPT 3 NPT 4 Flanged
Cooling Water
Inches
 1-1/2 NPT 2 NPT 2-1/2 NPT 3 NPT 5 Flanged
Heat Medium
Inches
 1-1/2 NPT 2 NPT 2-1/2 NPT 3 NPT 4 Flanged
  1. Minimum cooling water flow is 100%.
  2. Power Consumption does not include external pumps or fan motors.
  3. Height does not include removable lifting lugs, but does include level bolts. Width/Depth does not include junction box or mounting plates.
  4. High pressure option uses tubing that has passed UL hydrostatic testing at 300 psig.
  5. Do not exceed 150 PSI (1034 kPa) in any fluid circuit.
  6. Specifications are based upon water in all fluid circuits and fouling factor of 0.0005 ft2hr°F/Btu.
  7. Density of Heat Medium is 60.47 lbs/ft3, Specific Heat 1.003 BTU/lbs°F (185°F).
  8. Electric field wiring must be made in accordance with local regulation and must be sized to provide less than 2% voltage drop.
  9. Noise level is measured in a free field at a point 1m away from the cabinet and 1.5m above ground level.
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