3D Systems DMP Flex 350, Original Instructions Manual

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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 + n PE electrical cable.
To be supplied by customer .
C. Cooling water
The chiller is connected to the DMP Flex 350 system with flexible hoses. Check the facility water to ensure it is not dirty, slimy
and no foreign matter is found before filling the chiller. Make sure the water is within conditions shown in the table below.
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) 1 μS/cm and higher 100 to 800 μS/cm
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
Sulfide ions 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. Cooling fluid additives
The chiller requires a mixture of tap water and a cooling fluid additive. Recommended cooling fluid additives are: Hexid A4,
ControXid1642, Nalco CCL100, Cool flow IGE, Dowcal 100 and opti. The correct mixture of tap water and cooling fluid
additives must be according to 3rd party supplier guidelines.
Caution: These cooling fluid additives need to be supplied by the customer.
E. Noise emissions
• 75 dB