Operating Instructions OXY5500 Gas Analyzer
14 Endress+Hauser
Figure 7. Analyzer mounting locations
3. For wall installations, mark the centers of the top mounting holes.
4. Drill the appropriate size holes for the screws you are using.
5. Hold the analyzer in place and fasten with the top screws.
6. Repeat for the bottom mounting holes.
Once all four screws are tightened, the analyzer should be very secure and ready for the electrical connections.
4.7 Connecting electrical power to the analyzer
The OXY5500 is able to interface with either AC or DC power connections.
The OXY5500 is available in power options of either 240 VAC or 9 to 30 VDC (CSA), or 18 to 30 VDC
(IEC/ATEX/UKEX). The OXY5500 can be powered by an DC source via connection directly to the terminal of the
DC/DC converter terminals. The AC powered is wired directly to the power supply mounted to the back plate.
Interconnection of the analyzer enclosure shall be accomplished using wiring methods approved for Class I,
Division 2 or Zone 2 hazardous locations as per the Canadian Electrical Code (CEC) Appendix B or J and the
National Electric Code (NEC) Article 501 or 505. The installer is responsible for complying with all local
installation codes.
4.7.1 AC connection
AC power is connected to the AC Power Supply at L1, N, and GND. Refer to Figure 1 for the Analyzer Power Port
location and Figure 73 → for the wiring connection diagram.
4.7.2 DC connection
DC power is connected to the DC Power Supply at VI+ and –. Refer to Figure 1 for the Analyzer Power Port location
and Figure 73 for the wiring connection diagram.
Hazardous voltage and risk of electric shock. Before attaching the wiring to the analyzer, make sure the main
breaker/power switch is off.
Careful consideration should be taken when grounding. Properly ground the unit by connecting the main ground
lead to the protecting grounding stud labeled with the ground symbol. Connect the chassis ground stud to plant
grounding using 6mm2 or 10-gauge wire.
Do not exceed the 36 VDC power rating or electronics will be damaged.
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