Technical Specifications
20 Ton Industrial Water Chiller
1. General & Operational Data/Specifications
a. Must be rated for continuous usage
b. Ambient working limits: Minimum requirements are +14 Fahrenheit (ᴼF) or -10 Celsius (°C) through +113 ᴼF or 45 °C
c. Cooling capacity (Capacity based on 45 ᴼF or 7.22 °C water outlet temperature): 10 ᴼF or -12.22 °C delta at 95 ᴼF or 35 °C ambient temperature
i. Twenty (20) tons, minimum capacity
ii. 239,756 British thermal units (BTUs) per hour (BTUs/hr.), minimum capacity
d. Must be designed to use water as a medium
e. Cooling Water flow rate: 50 gallons per minute (GPM) or 189.27 liters (L), minimum flow rate
f. Head Pressure: Fifty (50) pounds per square inch (PSI) at a flow rate of 46 gallons or 174.12L per minute (GPM)
g. Refrigerant Type: R-410A
h. Noise rating: Not-to-exceed 69 decibels (dBs) at thirty-two feet (32’) or 10 meters (m)
2. Reservoir/Self-Contained Water Tank:
a. Fifty-five (55) gallon or 208.19L minimum capacity
b. Chiller is to only operate using water contained in a reservoir/self-contained tank; an external water supply IS NOT required, except to fill the reservoir/self-contained tank.
c. Tank is to be stainless steel.
3. Interfaces:
a. Power Supply:
i. Volts (V): 460V
ii. Phase: Three (3) phase alternating current (AC)
iii. Hertz (Hz): 60Hz
iv. Full Load Amps (FLA): Maximum of 60 FLA
b. Fluid Connections
i. System water supply: male pipe thread (MPT) two inches (2”) or 5.08 centimeters (cm)
ii. System water return: male pipe thread (MPT) two inches (2”) 5.08cm
c. Filling reservoir/self-contained tank with drain
4. Weight & Dimensions: System must fit within below dimensions (Note, Reservoir/Self-Contained water tank is included in these measurements
a. Dry Weight in pounds (lbs): Not-to-exceed two-thousand six-hundred sixty pounds (2,660 lbs) or 1206.55 kilograms (kg)
b. Width: Not-to-exceed forty-five inches (45”) or 114.3cm
c. Length/Depth: Not-to-exceed one-hundred inches (100”) 254cm
d. Height: Not-to-exceed ninety inches (90”) 228.6cm
5. Portability
a. Portability must be maintained while meeting all requirements in these specifications
b. System must be self-contained on a movable skid/frame
c. Skid/frame is to have lifting hole to allow forklift to move system
d. Only permitted items to be disconnected for portability are:
i. Power Source identified in 3.a.iv
ii. Fluid connections identified in 3.b.i and 3.b.ii
e. Drain reservoir/self-contained tank of water
6. Clearance Spacing. The following states minimum space must be provided between the system and an obstacle--
a. Side Clearances: Required clearance for any side of unit is not-to-exceed six and one-half feet (6.5’) or 1.98m
b. Top Clearance: Required clearance for top of unit is not-to-exceed ten feet (10’) or 3.04m
See attached vendor questions and answers (Q&A) from the technical evaluator.
