CHAPTER 2: INSTALLATION AND SETUP
LW500A/LW600A PULSED Nd:YAG LASER
990-539 2-5
Cooling Water System
The Laser uses two isolated cooling water systems:
Primary Cooling Water
External: for cooling Secondary cooling water.
Secondary Cooling Water
Internal: for cooling the flashlamps, Nd:YAG rod and electronics.
Cooling Water Block Diagram
Temperature is maintained by allowing the primary cooling water to cycle through the laser. Once the
secondary cooling water reaches a predefined high temperature set-point, the Solenoid Valve is energized
which allows the primary cooling water to flow through the Heat Exchanger. Once the secondary cooling
water reaches the low temperature set-point, the Solenoid Valve is turned off. Connect the primary cooling
water supply to the hose barbs on the rear panel of the laser.
Parameter
LW500A(E) / 600A(E)
ML-2651B(-CE) / ML-2650B(-CE)
Minimum Cooling Capacity
6.68 ton
20,160 kcal/hr
80,185 BTU/hr
23.5kW (maximum)
Water Temperature Range
5°C ~ 35°C (41°F ~ 95°F)
Recommended Flow Rate
(at maximum output)
25 L/min (@ 25°C / 77°F)
55 L/min (@ 32°C / 90°F)
Differential Pressure
14.2 psi ~ 42.6 psi (98 ~ 294kPa)
Maximum Pressure
42.6 psi (294kPa)
Water Inlet Diameter
19mm
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