Specifications
6. Tighten the nuts securely. Cut off any excess
lead wire.
7. Replace the back terminal cover.
8. Reconnect furnace to power supply.
9. Test operation of furnace.
To Replace a Platinel II
Thermocouple in Programmable
and Automatic Furnaces
1. Disconnect furnace from power supply.
2. Remove the back terminal cover of the furnace.
(Note placement and connection of wires).
3. Remove the screws on the thermocouple termi-
nals and pull the thermocouple straight out.
4. Insert the new thermocouple into the furnace
with blue and yellow beaded lead connected to
the positive (+) marked terminal and other lead
to negative (-) terminal.
5. Secure connections with screws removed in
step 3.
6. Replace the back terminal cover.
7. Reconnect the furnace to power supply.
8. Test operation of furnace.
To Replace a Chromel/Alumel
Thermocouple (Basic Automatic
Furnaces)
1. Disconnect furnace from power supply.
2. Remove both back covers. (Note placement and
39
MAINTENANCE AND SERVICING