Primary Controller Burner mtd/hard wired. The Primary Controller can be bench tested for proper operation using an automotive type 12 volt battery as a power source. Refer to the wiring schematic for wire identification.
1. Remove Controller from burner. Mark all wires for proper reassembly.
2. Using 2 test lights or volt meters, connect one to the blue wire, and one to the white/orange wire of the Controller. Connect the black leads of your test instruments to neg. ( - ) terminal of battery.
3. Connect the black wire from the Controller to neg. ( - ) terminal of battery.
4. Connect the red, white/red, and the white wires together, then connect these 3 wires to battery (+ )terminal. Both test instruments should show voltage for approximately 15 seconds. After 15 seconds the controller should "lock out" and no voltage will be present.
5. Repeat step 4, only this time connect the 2 yellow wires from the Controller together 3 seconds after applying power to the 3 wires of the Controller.
(This simulates the controller receiving a "flame" signal from the Photo Electric Eye)
The white/orange wire should show voltage as long as the controller is hooked to the battery. The blue wire should only show voltage for about 15 seconds.
Replace the controller if it fails any of these tests.
RED To Main power Switch
WHITE To Thermostat
WHITE/RED Not Used
YELLOW To Photo Electric Eye
YELLOW To Photo Electric Eye
ORANGE To Fuel Valve and Blower Motor
BLUE To Ignitor Transformer
BLACK To Ground
Building our reputation on creating innovative solution and equipment for your asphalt maintenance program since 1942.
Stepp Manufacturing Co Inc
Building our reputation on creating innovative solution and equipment for your asphalt maintenance program since 1942.
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DIESEL BURNER COMPONENT