Emerson Process Management OXYMITTER 4000 O2 0.00% LK warm up 367dgC, O2 2.59% LK normal, Loi

Hazardous Area Oxymitter 4000

Instruction Manual

IB-106-340C Rev. 4.1 July 2004

SECTION 6

STARTUP AND OPERATION

OF HAZARDOUS AREA OXYMITTER 4000 WITH LOI

6-1 POWER UP

a.Startup Display

When power is applied to the probe, the cell heater turns on. It takes approximately one half hour for the cell to heat to operating temperature. This condition is indicated by a “warm up” display on the LOI (Figure 6-1). This message will continue to display until the cell is up to operating temperature.

b.Operating Display

O2: 0.00% LK warm up 367dgC

The normal operating display is the % O2 concentration. The “normal” display is shown in Figure 6-2.

c.	Error
	If there is an error condition at startup, an		37260035
	alarm message will be displayed. Refer to
	Section 8, TROUBLESHOOTING, to deter-	Figure 6-1. Startup Display		6
	mine the cause of the error. Clear the error,
	cycle power, and the % O2 display should
	return.
d.	LOI

The Local Operator Interface can be used to change the software and alarm settings, to adjust the high and low gas settings, and to initiate the calibration sequence. Refer to the LOI menu (Figure 6-4).

e.Reference Air

Ensure the reference air, if used, is set to 56.6 l/hr (2 scfh).

6-2 START UP OXYMITTER 4000 CALIBRATION

Refer to Section 9, MAINTENANCE AND SERVICE, for calibration instructions.

O2: 2.59% LK normal

37260036

Figure 6-2. Normal Display

Rosemount Analytical Inc. A Division of Emerson Process Management Startup and Operation with LOI 6-1