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Replacing the
Temperature Control
Thermo Fisher Scientific
7. Using the flat blade screwdriver, remove the 2 bigger screws with the
captive hardware on the side of the relay marked 1 and 2.
8. Place the appropriate wire and 1 leg of the varistor over the screw, then
insert and tighten the screw down until snug. Repeat with the second
screw, and then press the end cover down until it locks in place.
9. On the other side of the relay (with the smaller screws marked 3 and 4),
sandwich the wires with the fork terminals between the 2 small plates
and tighten the screws with the flat blade screwdriver until snug.
Ensure that the wires are in the appropriate position as noted earlier.
Press the end cover down until it locks in place.
10. Re-install the temperature control box cover per the above procedure
"Removing and Installing the
Use the following procedure to replace any of the 4 temperature control
modules inside of the FTIR temperature control box. Note that not all of
the modules are the same. There are 3 of one type (M1, M2, and M3) and
Modules
1 of the other (M4: 4-20mA); See
module.
Equipment Required:
Phillips screwdriver
Small Phillips screwdriver
Nut driver, 3/8-inch or wrench
Temperature control modules
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap
must be worn while handling any internal components.
1. Remove the temperature control box cover per the previously
mentioned procedure
2. The 4 temperature control modules are mounted on the temperature
control base unit
the 2 nuts that mount the control module and base unit assembly to
the temperature control box. Note the orientation of the assembly.
Cover".
Figure 5–55
"Removing and Installing the
(Figure
5–55). Using the 3/8-inch nut driver, remove
Omni FTIR Multi Gas CEMS Instruction Manual
Preventive Maintenance and Servicing
Temperature Control Box Components
to identify and the correct
▲
Cover".
5-69
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