3D Systems, Inc.
12
p/n: 15-D99, rev. C
3.10 Chiller
Supplied by: 3D Systems
Installed by: 3D Systems
The chiller is used to regulate the temperature of the laser components.
A. Physical dimensions
• Weight: 40 kg (88 lbs)
• Dimensions (W x D x H): 377 x 521 x 650 mm (15 x 21 x 26 in)
B. Electrical - supplied from facility power
• Operating voltage: single phase 200 - 230 VAC (US: may be 2 phase)
• Frequency: 50 Hz / 60 Hz
• Circuit protection: 15 A
• 1 phase + neutral + PE electrical cable. To be supplied by customer.
C. Cooling water
ITEM
STANDARD VALUE
CIRCULATING FLUID FACILITY WATER
Standards
pH (at 25°C) 6.0 to 8.0 6.5 to 8.2
Electric conductance (at 25°C)
Chloride ions ppm 50 or less 200 or less
Sulfate ions ppm 50 or less 200 or less
Acid consumption ppm 50 or less 100 or less
Total hardness ppm 70 or less 200 or less
Calcium hardness ppm 50 or less 150 or less
Ionic silica ppm 30 or less 50 or less
For
reference
Iron ppm 0.3 or less 1.0 or less
Copper ppm 0.1 or less 0.3 or less
ppm Not detected Not detected
Ammonium ions ppm 0.1 or less 1.0 or less
Residual chlorine ppm 0.3 or less 0.3 or less
Free carbon dioxide ppm 4.0 or less 4.0 or less
D.
Hexid A4,
additives must be according to 3rd party supplier guidelines.
E. Noise emissions
• 75 dB
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