GE DigitalFlow GS868, Руководство по обслуживанию

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Chapter 4. Parts Replacement
38 DigitalFlow™ GS868 Service Manual
4.6 Installing the Printed Circuit Board (cont.)
9. For LVD compliant units, position the clear plastic LVD shroud over the electrical connections so that the two
holes in the shroud align with the standoffs on the printed circuit board. Secure the shroud to the standoffs with the
two sets of screws and washers.
10. After carefully checking for and removing any loose hardware in the enclosure, close the electronics console and
reconnect the main power to the Model GS868.
Note:
For compliance with the European Union’s Low Voltage Directive, this unit requires an external power
disconnect device such as a switch or circuit breaker. The disconnect device must be marked as such, clearly
visible, directly accessible, and located within 1.8 m (6 ft) of the Model GS868.
Before taking measurements with the Model GS868, refer to Chapter 2, Initial Setup , of the Startup Guide and Chapter
1, Calibration , of the Service Manual for instructions on properly setting up the meter for accurate flow rate
measurements.
Note:
Be sure to enter a complete and detailed account of any parts replacement performed on the Model GS868 in
Appendix A,
Service Record .
4.7 Spare Parts
All of the necessary components to upgrade or repair the Model GS868 flowmeter are readily available from the
factory. As a convenient reference, some of the more common spare parts are listed in Table 5 below.
To purchase the parts listed in Table 5 above or any items not listed in the table, contact the factory for assistance. To
make sure the proper components are obtained, be sure to specify the
serial number of the Model GS868 at the time of
purchase.
Table 5: Spare Parts List
Part Number Description
703-1127-02 Option Card - Alarms, Hermetically Sealed
703-1127-03 Option Card - Alarms, General Purpose
703-1145-02 Option Card - Analog Inputs
703-1126-02 Option Card - Analog Outputs
703-1145-03 Option Card - RTD Inputs
703-1144-02 Option Card - Totalizer/Frequency Outputs
421-703 Card Cage (Metal Bracket)
417-027 Card Guide, Nylon
703-1247 Printed Circuit Board
705-671 LCD Display Assembly
147-744 EPROM
421-700 Conduit Plate, 1/2”
421-701 Conduit Plate, 3/4”
421-702 Conduit Plate, Blank
421-946 LVD Plastic Shroud
421-686 Main Aluminum Shroud
442-484 Label, Wiring Diagram