Emerson Oxymitter 5000 Instruction Manual page 72

Instruction Manual
IB-106-350 Rev. 1.2
April 2001
7. When reinstalling or replacing the
electronic housing, make sure that o-
ring (10) is in good condition. Place the
J1 and J8 connectors in the hole on the
flat side of the electronic housing.
8. Hold the J1 and J8 connectors out and
to the probe side of the electronic
housing. Make sure that the conduit
port of the electronic housing is on the
same side as the CAL and REF gas
ports. Replace the four screws and
tighten.
9. Reconnect the J8 connector to the
power supply board. Make sure the
connector is secure.
10. Holding the J1 connector leads, slide
the electronic assembly the rest of the
way into the housing. Align the elec-
tronic assembly so that it fits flush on
the pins. To ensure that it is flush, gen-
tly try to rotate the electronics. If the
electronics rotates, repeat the
alignment.
11. Reconnect the J1 connector to the mi-
croprocessor board. Ensure the con-
nector is secure and tighten the three
captive screws on the microprocessor
board (top board).
12. Replace the housing cover and ensure
it is tight.
13. Follow the instructions in paragraph
4-4a.2 to install the Oxymitter 5000 into
the stack or duct. If installing an Oxy-
mitter 5000/SPS 4000 assembly, follow
the instructions in paragraph 4-4b.2.
4-10 Maintenance and Service
b. Electronic Assembly Replacement
(Figure 4-5).
1. Remove the right housing cover un-
covering the electronic assembly.
2. Depress and remove the J1 (cell and
T/C) connector from the J1 socket.
Loosen the three captive mounting
screws on the microprocessor board
(top board).
3. The J8 connector (heater leads) can be
accessed by moving the J1 connector
leads out of the slot on the microproc-
essor board and sliding the electronic
assembly partially out of the housing
(Figure 4-6).
4. Squeeze the J8 connector on the sides
and carefully remove. The electronic
assembly can now be completely re-
moved from the housing.
5. Reconnect the J8 connector to the
power supply board. Make sure the
connector is secure.
6. Holding the J1 connector leads, slide
the electronic assembly the rest of the
way into the housing. Align the elec-
tronic assembly so that it fits flush on
the pins. To ensure that it is flush, gen-
tly try to rotate the electronics. If the
electronics rotates, repeat the
alignment.
7. Reconnect the J1 connector to the mi-
croprocessor board. Ensure the con-
nector is secure and tighten the three
captive screws on the microprocessor
board (top board).
8. Replace the housing cover and ensure
it is tight.
Rosemount Analytical Inc. A Division of Emerson Process Management
Oxymitter 5000