operation
27
Synrad Firestar f-Series operator’s manual
Initial start-up
Important Note: Firestar f200 and f400 lasers are dual-tube lasers; all PWM, input, and output control
signals must be connected in parallel between both User I/O connectors.
Starting auxiliary equipment
1
Ensure that all personnel in the area are wearing protective eyewear.
2
Remove the red self-adhesive aperture seal from the laser faceplate.
3
Place a beam block 61 cm (24 in) from the laser aperture to prevent the beam from traveling beyond
the work area.
Caution
possible
equipment
damage
Inlet cooling water temperature must always be maintained above the
dew point to prevent condensation and water damage to your Firestar
laser.
4
Turn on the chiller and set the temperature setpoint between 18 °C–22 °C. Verify that the chiller is
delivering the recommended ow rate for your laser at less than 414 kPa (60 PSI) of pressure. Exam-
ine all cooling connections carefully and ensure that they do not leak.
Caution
possible
equipment
damage
Do not exceed a gas purge pressure of 34.5 kPa (5 PSI). Excessive
pressure may damage the purge assembly or other internal laser com-
ponents.
Do not use argon as a purge gas. Use only nitrogen or clean, dry air as
described in Table 1-6, Purge gas specications.
5
Start purge gas ow at a rate of 0.85–1.7 m
3
/hr (30–60 SCFH, Standard Cubic Feet per Hour) at a
pressure not to exceed 34.5 kPa (5 PSI). If a owmeter is not available, set a purge pressure between
13.8–34.5 kPa (2–5 PSI).
Note: If you have not yet operated your UC-2000 Universal Laser Controller, refer to the UC-2000
Laser Controller Operator’s Manual for setup and operation instructions before continuing.
6
Set the UC-2000 to MANUAL mode, and then set the PWM Adj Knob to provide zero percent
output (0.0%). The UC-2000’s Lase indicator should be O.
7
Verify that the laser’s Keyswitch (if equipped) is in the OFF/RESET position.
8
Turn on the +96 VDC power supply.
If the factory-wired Quick Start Plug is installed, the Remote Interlock indicator will illuminate green
and the Shutter indicator will illuminate blue—if the manual Shutter Switch is Open. The Temp indi-
cator will illuminate green if laser temperature is within safe operating limits.
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