40 hp Water-Cooled Portable Chillers

Nominal operating parameters for water-cooled models are 50ºF (10ºC) leaving water temperature at 2.4 gpm per ton (9.1 lpm per 3.517 kW) with 85ºF (29ºC) tower water. For 50 Hz applications, multiply capacity by 0.83. Nominal 60 Hz capacity flow rate must be maintained.

HP

40

Nominal cooling

Nominal

Com-

 

Condenser water

 

Power in amps g

 

capacity c tons

water

pres-

Nom.

Water

flow in gpm

 

460/3/60 h

 

no

1

2

flow

sor

pump

conn.

Tower

City

1 pump

2 pumps

pump

pump

pump

gpm d

hp

hp

in. NPT

water e

water f

rated

running

rated

running

41.0

39.5

39.1

98.4

40

7.5

2.5”

123.0

61.5

81.9

63.1

85.0

 

66.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cBased on 50ºF (10ºC) chilled water supply temperature and 85ºF (29ºC) tower water. Optional additional process pump hp reduces chiller capacity by 0.2 tons per hp (0.703 kW ref. cap. per 0.746 kW pump power).

dBased on 2.4 gpm per ton (9.1 lpm per 3.517 kW), nominal 1 pump.

eBased on availability of 85ºF (29ºC) tower water at 25 psi (172.4 kPa/1.7 bars) minimum. f Based on availability of 70ºF (21ºC) city water at 25 psi (172.4 kPa/1.7 bars) minimum.

gAn optional oversized process pump adds to the total rated or running chiller amperage. To find the new total chiller amperage, subtract the standard process pump amperage from the optional pump amperage (see Figure 1

on page 16), and add it to the chiller rated or running amperage.

hMultiply 460/3/60 amperage by 2.0 for 208-230/3/60 amperages.

40 hp water-cooled chillers come standard with 4” (101 mm) swivel casters.

Com-

Process connections, in. NPT

Dimensions

 

Weights

 

pressor

1 pump

2 Pump

no pump,

1 pump, no

in inches c

 

Dry d

Ship. d

Oper. d e

hp

to/from

to/from

no tank

tank,

height

width

 

depth

lbs.

lbs.

 

lbs.

 

 

 

 

to/from

 

 

 

 

 

 

 

 

40

2.5” / 3”

2.5” / 3”

2.5”

2.5” / 3”

59.9”

34.0”

 

100.7”

2,680

2,930

 

3,369

cTo convert to cm, multiply by 2.54. Add to height dimension based on mounting options.

dWeight is for standard chiller. Some optional features will increase weight. Multiply by 0.454 to calculate Kg. e Operating weight is with a full 80-gallon (303 liter) reservoir tank of water.

2-40 HP Portable Chillers

Chapter 7: Appendix

53 of 70

Page 52 Page 54
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Image 53
Sterling A0554831 manual Hp Water-Cooled Portable Chillers, 39.5 39.1 98.4, 81.9 63.1 85.0 66.2
Page 52 Page 54

A0554831 specifications

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