4-22 | Heated Acid Gas Sample Probe (Large Diameter)
d. Solder the Heater Cartridge wire to the closest terminal on the
Over-Temperature Switch. Solder the other wire to the other
terminal.
Carefully pull the wires back from the Junction Box end until there
is no excess wire remaining inside the Heater Block.
e. Tighten the (2) M3 x 6 screws to secure the Over-Temperature
Switch in place.
f. Replace other parts or continue with Junction Box reassembly.
9. Replace the Heater Cartridge:
The Heater Cartridge can be either 120 V or 240 V. Install only the
proper Heater Cartridge for your application.
a. Inside the Heater Block, near the Heater Cartridge, carefully cut
the wire leading to the Over-Temperature Switch.
Do not cut the wire that runs from the Heater Cartridge to the
Terminal Block. This wire is necessary to assist in the removal of the
Heater Cartridge.
b. Remove the Heater Plug from the Heater Block.
c. Attempt to break the connection on the Heater Block side of the
Thermal Insulation Tube.
If you are able to break the connection:
i. Slowly and carefully turn the entire Junction Box/Thermal
Insulation Tube assembly to avoid twisting or breaking the
wires while removing it from the Heater Block.
Take extreme care to avoid damaging the threads on the Thermal
Insulation Tube and in the Heater Block. After removing the tube,
cover the threaded ends to avoid damaging them. Clean, defect-free
threads are essential to ensure a flame-proof connection.
!
CAUTION
!
CAUTION
!
CAUTION
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