20-Ton Industrial Water Chiller   3

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.