Pilot Sequence Of Operation - Atwood Pilot 6 Gallon User Manual

ONE SHO T
E.C.O. 190°
JADE CONTROL SYSTEM
PILOT OPERATION
• Gas Pressure
• Gas Control
• Pilot Orifice
• Thermocouple
• Magnet
• E.C.O.
MAIN BURNER OPERATION
• Gas Control
• Main Burner Orifice
• Main Burner
• Temperature Knob

Pilot Sequence of Operation

Gas Inlet
11" W.C.
Pressure
11˝ W.C. to control is necessary. Set with two gas appliances running.
supplies gas to pilot orifice when control
meters gas to heat thermocouple. Flame should be high enough to engulf the
thermocouple.
generates millivoltage to the gas control's magnet assembly.
when it receives 12 millivolts or more it allows gas to flow freely to pilot without
holding pilot knob.
passes millivolts through the gas control and back to thermocouple. Trips
permanently open if water temperature exceeds 190°F.
supplies gas to main burner when control knob is set to "ON" position and the
temperature lever is set to desired temperature after pilot is lit.
meters gas through burner tube.
pilot ignites gas when it reaches end of this tube. Flame height adjusted by sliding air
shutter. Ideal setting is 1/4 way open (.20˝). Flame should be primarily blue with
a trace of yellow.
setting of knob determines burner cycle and water temperature. Temperature range is
70°F - 140°F.
Temperature Lever
ON/OFF Pilot K nob
Pilot Flame
Pilot Ori c e (inside)
Thermocou ple
Air Shutt er
/ pilot knob is held at pilot position.
ON OFF
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