Thetford N51 Series 06/05 - 4/13/06 - Manual (Page 12)

Owner’s Manual 12
Wiring Diagram
(N500 models only)
The parts of the wiring diagram are (See Art01315):
1 ............................................................................... 120 VAC
3 ........................................................................... 3 Amp fuse
5 ..................................................................... Thermocouple
8 ................................................................... Flame indicator
9 ............................................................................. AC heater
10 .................................................................... -12 VDC Com
11 ............................................................................. +12 VDC
12 ............................................ 25 Amp fuse (model N500.3)
14 ............................................................................ Relighter
15 ............................................... DC heater (model N500.3)
16 ......................................................................... 1 Amp fuse
17 ........................................................................ Thermostat
18 ................................................................. Gas safety valve
19 ................................................. Thermocouple interrupter
20 .......................................................................... Spark gap
Wiring Pictorial
(N510 models only)
The parts of the wiring pictorial are (Art01576):
1 ............................................................................... 120 VAC
2 ........................................................ -12 VDC Power supply
3 ....................................................... +12 VDC Power supply
4 ........................................................................ Power board
5 ........................................................................... 5 Amp fuse
6 .............................................. 30 Amp fuse (model N510.3)
7 ............................................................................. AC heater
8 ................................................. DC heater (model N510.3)
9 ................................................................... Gas safety valve
10 ................................................................. Spark electrode
11 ......................................................... Display board overlay
12 .................................................................... Display board
13 ......................................................... Temperature sensor
14 .................................................................... Fan (optional)
15 ........................................................ Thermostat (optional)
Wiring Diagram
(N510 models only)
The parts of the wiring diagram are (See Art01575):
1 ............................................................................... 120 VAC
2 ........................................................ -12 VDC Power supply
3 ....................................................... +12 VDC Power supply
4 ........................................................................ Power board
7 ............................................................................. AC heater
8 ................................................. DC heater (model N510.3)
9 ................................................................... Gas safety valve
12 .................................................................... Display board
13 ......................................................... Temperature sensor
14 .................................................................... Fan (optional)
15 ........................................................ Thermostat (optional)
16 ............................................................... Voltage regulator
17 ................................................................. ON / OFF switch
18 ..................................................................... MODE switch
19 .............................................................. TEMP SET switch
20 ................................................................. Microprocessor
21 .................................................................................... LED
Wiring Pictorial
(N400 models only)
The parts of the wiring pictorial are (Art01326):
1 ............................................................. 120VAC Power cord
2 ..................................................................... Terminal block
3 ........................................................................... 3 Amp fuse
4 .................................................................... Selector switch
5 ..................................................................... Thermocouple
6 .............................................. Thermostat / gas safety valve
7 ................................................... Thermocouple interrupter
8 ........................................................................ Flame meter
9 ............................................................................. AC heater
10 ........................... -12 VDC Power supply (model N400.3)
11 ........................... +12 VDC Power supply (model N400.3)
12 ............................................ 25 Amp fuse (model N400.3)
13 ............................................... DC heater (model N400.3)
Wiring Diagram
(N400 models only)
The parts of the wiring diagram are (See Art01327):
1 ............................................................................... 120 VAC
3 ........................................................................... 3 Amp fuse
5 ..................................................................... Thermocouple
6 ................................................................... Gas safety valve
7 ................................................... Thermocouple interrupter
8 ........................................................................ Flame meter
9 ............................................................................. AC heater
10 ......................................... -12 VDC Com (model N400.3)
11 ................................................... +12 VDC (model N400.3)
12 ............................................ 25 Amp fuse (model N400.3)
13 ............................................... DC heater (model N400.3)
14 ........................................................................ Thermostat
15 .......................................................................... Spark gap
16 ....................................................................... Piezo lighter
Wiring Pictorial
(N500 models only)
The parts of the wiring pictorial are (Art01314):
1 ............................................................. 120VAC Power cord
2 ..................................................................... Terminal block
3 ........................................................................... 3 Amp fuse
4 .................................................................... Selector switch
5 ..................................................................... Thermocouple
6 .............................................. Thermostat / gas safety valve
7 ................................................... Thermocouple interrupter
8 ................................................................... Flame indicator
9 ............................................................................. AC heater
10 ...................................................... -12 VDC Power supply
11 ...................................................... +12 VDC Power supply
12 ............................................ 25 Amp fuse (model N500.3)
13 ................................................................. Spark electrode
14 ............................................................................ Relighter
15 ............................................... DC heater (model N500.3)
16 ......................................................................... 1 Amp fuse