Rosemount Oxymitter 5000, Instruction Manual

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Hazardous Area Oxymitter 5000
9-14
Instruction Manual
IM-106-350C, Rev 2.2
July 2008
Terminal Block
Replacement
See Figure 9-3 or Figure 9-4.
1. Remove left side cover (17) from housing (11).
2. Loosen the three captive screws (16) in the terminal block (15).
Carefully lift the terminal block out of the housing.
3. Carefully align the new terminal block on the pins so that it sits flat in the
housing. The round end of the terminal block should be on the opposite
side of the housing conduit ports and should not be able to rotate.
4. Tighten the three mounting screws and ensure the terminal block is
secure in the housing.
Fuse Replacement
See Figure 9-7.
1. Remove screw (18, Figure 9-3 or Figure 9-4), cover lock (19), and
captive washer (20) securing cover (1). Remove the cover.
2. See Figure 9-5. Depress and remove the J1 (cell and T/C) connector
from the J1 socket.
3. Loosen three captive screws (10, Figure 9-3 or Figure 9-4). Slide
electronic assembly (2) partially out of housing (11).
4. See Figure 9-6. Squeeze the sides of the J8 connector, and carefully
remove the J8 connector (heater leads) from the power supply board.
5. Remove electronic assembly (2, Figure 9-3 or Figure 9-4) from housing
(11).
6. Turn the electronic assembly over so that you are looking at the bottom
of the power supply board (Figure 9-7).
7. Gently depress the two white posts one at a time. Carefully separate the
power supply board from the analog board.
8. Remove the fuse and replace it with a new one.
9. Align the white posts with the post holes on the power supply board and
the pin connector on the power supply board with the connector port on
the back of the analog board. Gently push the boards together until the
white posts snap in place. Ensure the assembly is secure by gently
trying to separate the boards.
Opening the electronic housing will cause the loss of ALL hazardous permits. Opening the
electronics housing in hazardous areas may cause an explosion resulting in loss of
property, severe personal injury, or death. It may be required to get a hot work permit from
your company safety officer before opening the electronic housing.
Opening the electronic housing will cause the loss of ALL hazardous permits. Opening the
electronics housing in hazardous areas may cause an explosion resulting in loss of
property, severe personal injury, or death. It may be required to get a hot work permit from
your company safety officer before opening the electronic housing.