Dc Heater (3-Way Models); Thermocouple; Thermocouple Interrupter - Norcold N300 Service Manual

5. Remove the insulation.
6. Pull the AC heater up and out of the heater well.
7. Push the replacement AC heater down into the heater well.
- Make sure the bead of weld on the AC heater touches the
top of the heater well.
8. Put the insulation around the fl ue tube.
- Make sure the insulation is completely around the fl ue
tube.
9. Tape the insulation closed.
10. Attach the two blue wires of the AC heater to the terminal
block.
11. Put the AC power cord in the receptacle.

DC heater (3-way models)

1. Remove the DC input leads from the refrigerator.
- Put tape on the positive lead to prevent an accidental elec-
trical short and a blown fuse.
2. To make sure the other energy sources do not activate, turn
the selector switch to the OFF (
3. Remove the two yellow wires that connect the DC heater to
the terminal block.
4. Using a utility knife, vertically cut through the insulation that
surrounds the fl ue tube.
5. Remove the insulation.
6. Pull the DC heater up and out of the heater well.
7. Push the replacement DC heater down into the heater well.
- Make sure the bead of weld on the DC heater touches the
top of the heater well.
8. Put the insulation around the fl ue tube.
- Make sure the insulation is completely around the fl ue
tube.
9. Tape the insulation closed.
10. Attach the two yellow wires of the DC heater to the termi-
nal block.
11. Make sure that a 20 Amp fuse is in the fuse holder.
12. Attach the DC input leads from the refrigerator.
12 - Service Manual N300 Models
) position.

Thermocouple

1. Close the valve at the main propane gas tank(s).
2. Remove the thermocouple from the thermocouple inter-
rupter.
3. Remove the burner box cover.
4. Remove the two screws that attach the thermocouple brack-
et to the burner box.
5. Remove the thermocouple from the thermocouple bracket.
6. Remove the wires from the thermocouple interrupter.
7. Using two wrenches, loosen the thermocouple interrupter
from the safety valve.
8. Turn the thermocouple interrupter about half way out of the
safety valve.
9. Turn the thermocouple only about half way into the thermo-
couple interrupter.
10. Using two wrenches, fully tighten the thermocouple inter-
rupter onto the safety valve.
11. Fully tighten the thermocouple onto the thermocouple
interrupter.
12. Attach the wires to the thermocouple interrupter.
13. Do steps 1-5 in reverse.
14. Examine all the gas connections for leaks.

Thermocouple interrupter

1. Close the valve at the main propane gas tank(s).
2. Remove the thermocouple from the thermocouple inter-
rupter.
3. Remove the wires from the thermocouple interrupter.
4. Using two wrenches, remove the thermocouple interrupter
from the safety valve.
5. Turn the replacement thermocouple interrupter only about
half way into the safety valve.
6. Turn the thermocouple only about half way into the replace-
ment thermocouple interrupter.
7. Using two wrenches, fully tighten the thermocouple inter-
rupter onto the safety valve.
8. Fully tighten the thermocouple onto the thermocouple inter-
rupter.
9. Attach the wires to the thermocouple interrupter.
10. Open the valve at the main propane gas tank(s).
11. Examine all the gas connections for leaks.