Instruction Manual

IB-106-340 Rev. 3.0 December 2003

Oxymitter 4000

HEATER (BLACK)

HEATER (BLACK)

OXYGEN CELL -

(GREEN)

THERMOCOUPLE -

(YELLOW)

THERMOCOUPLE +

(RED)

OXYGEN CELL +

(ORANGE)

36940005

Figure 9-12. Termination Housing Connections forRemote Electronics Probe Head

k.Termination Housing Wiring (Remote Electronics Probe Head Only)

Under normal circumstances, the right ter- mination housing cover should not need to be removed. This side of the housing con- tains only two wire harnesses that connect the internal electrical barrier to pins in the housing wall. If these jumper wires should become disconnected or need to be re- placed, use the diagram in Figure 9-12to connect the wires.

9-5 SPS 4000 MAINTENANCE AND COMPONENT REPLACEMENT

These paragraphs describe SPS 4000 maintenance and component replacement procedures. Replacement parts referenced are available from Rosemount. Refer to Section 11, REPLACEMENT PARTS, for part numbers and ordering information.

Install all protective equipment covers and safety ground leads after equipment repair or service. Failure to install covers and ground leads could result in serious injury or death.

a.Fuse Replacement

The SPS 4000 has a fuse (17, Figure 9-13)on the power supply board (18). Refer to Table 11-3for replacement fuse specifica- tions. Perform the following procedure to check or replace the fuse.

Disconnect and lock out power before working on any electrical components.

1.Turn off power to the system.

2.Remove screw (7, Figure 9-13)secur- ing manifold cover lock (6) and remove the lock.

3.Remove manifold cover (14).

4.Remove fuseholder (16) by pushing in the top and turning 1/4 turn counter- clockwise. Remove fuse (17).

5.After checking or replacing fuse (17), install fuseholder (16) by pushing in the top and turning 1/4 turn clockwise.

6.Install manifold cover (14), and secure with manifold cover lock (6) and screw

(7).

9-18 Maintenance and Service

Rosemount Analytical Inc. A Division of Emerson Process Management