First Time Laser Turn-On Procedure - NORTHROP GRUMMAN Patara EPL-016-QTG Quick Installation Manual

First time laser turn-on procedure

Turn on the Chiller
1. Ensure the cap that protects laser output window is removed and make sure the
output window is clean.
2. Turn on the chiller.
3. Check the temperature setting of the chiller. Refer to the ATP test report data
summary included in the Patara EPL shipment for the coolant operational
temperature. The chiller's temperature setting should be the same as in the report. If
it is set to a different temperature, change it to match the setting on the report.
The flow rate for Patara EPL is 1.4 – 1.7 gpm. Ensure the flow rate meets the
4.
requirement. If it does not, open the valve inside the chiller until it matches the flow
rate recorded in the ATP test report data summary. When adjusting and setting the
flow rate, do not allow the coolant pressure to exceed 70 psi.
5. Run the chiller for approximately half an hour to allow the coolant temperature to
stabilize at the set point.
Turn on the eDrive and Check Settings
1. Flip the power switch on the back panel of the eDrive to the ON or
2. Make sure that the red EMERGENCY button is released. Turn on the eDrive by
turning the key to ON position and pressing the POWER button to power up the
eDrive.
© 2019 Cutting Edge Optronics, Inc.
Figure 3-1. Output Window Cover
NOTE.
Chiller flow rate calibration may be required. Please refer to the chiller user
manual for instructions on calibration.
Chapter Three: Laser Optimization and Tuning
18 Patara End-Pumped Laser Quick Start Guide
Approved for Public Release; NG19-1901
I
position.