Thetford N51 Series Through 06/05 - Manual (Page 12)

Owner’s Manual 12
Wiring Pictorial
The parts of the wiring pictorial are (Art01576):
120 VAC .................................................................................. 108
-12 VDC Power supply ............................................................. 90
+12 VDC Power supply ............................................................ 99
Power board ............................................................................. 49
5 Amp fuse ................................................................................ 88
30 Amp fuse (3-way models only) ............................................ 93
AC heater .................................................................................. 92
DC heater (3-way models only) ............................................... 94
Gas safety valve ........................................................................ 91
Spark electrode ......................................................................... 89
Display board overlay ............................................................. 139
Display board ......................................................................... 140
Temperature sensor .............................................................. 100
Fan (optional) ........................................................................... 97
Thermostat (optional) ............................................................. 168
Wiring Diagram
The parts of the wiring diagram are (See Art01575):
120 VAC .................................................................................. 108
-12 VDC Power supply ............................................................. 90
+12 VDC Power supply ............................................................ 99
Power board ............................................................................. 49
AC heater .................................................................................. 92
DC heater (3-way models only) ............................................... 94
Gas safety valve ........................................................................ 91
Display board ......................................................................... 140
Temperature sensor .............................................................. 100
Fan (optional) ........................................................................... 97
Thermostat (optional) ............................................................. 168
Voltage regulator .................................................................... 102
ON / OFF switch ........................................................................ 30
MODE switch ............................................................................ 31
TEMP SET switch ..................................................................... 32
Microprocessor ....................................................................... 104
LED ......................................................................................... 107
Door switch ............................................................................. 103
NOTE: Your dealer or an authorized Norcold Service Center
must do this procedure.
WARNING: Make sure the combustion seal is not
broken, is completely around the refrigerator mounting
flanges, and is between the mounting flanges and the
wall of the enclosure. If the combustion seal is not
complete, exhaust fumes can be present in the living
area of the vehicle. The breathing of exhaust fumes can
cause dizziness, nausea, and in extreme cases, death.
1. Push the refrigerator completely into the enclosure.
2. Remove the door from the refrigerator.
3. Put the screws though the mounting flanges and into the
wall.
4. Attach the door to the refrigerator
CAUTION: The rear of the refrigerator has sharp edges
and corners. To prevent cuts or abrasions when working
on the refrigerator, be careful and wear cut resistant
gloves.
5. Open the lower intake vent and put the screws through
refrigerator and into the floor.
WARNING: To avoid possible propane gas leaks,
always use two wrenches to loosen and tighten the gas
supply line at the refrigerator’s manual shut off valve.
6. Attach the gas supply line to the manual shut off valve of the
refrigerator.
7. Open the valve at the propane gas tank(s).
WARNING: Do not allow the leak checking solution to
touch the electrical components. Many liquids are
electrically conductive and can cause a shock
hazard,electrical shorts, and in some cases fire.
Reinstall the Refrigerator
Replacement Parts
You may purchase replacement parts through your local RV
dealer or an authorized Norcold Service Center.
- Put a mark on the DC wires so you can put them back in the
correct location.
- Remove the DC wires from the refrigerator.
5. Remove the screws which fasten the refrigerator to the floor.
6. Remove the door from the refrigerator.
7. Remove the screws which fasten the refrigerator to the wall.
8. Remove the refrigerator from the opening.
9. Attach the door to the refrigerator.
8. Examine the gas supply line for leaks.
9. Connect the DC wiring to the refrigerator:
- Install the DC fuse or connect the DC wiring to the battery or
the converter.
- Connect the DC wires from the refrigerator.
10. Connect the AC power cord to the receptacle.