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16942-5-0907 Page 15
The correct flame will be blue and will extend beyond the
thermocouple. The flame will surround the thermocouple just below
the tip. A slight yellow flame may occur where the pilot flame and
main burner flame meet.
Figure 17
Oxygen Depletion Sensor Pilot (Figure 16)
When the pilot has a large yellow tip flame, clean the Oxygen
Depletion Sensor as follows:
1. Clean the ODS pilot by loosening nut B from the pilot tubing.
When this procedure is required, grasp nut A with an open end
wrench.
Warning:
Never use needles, wires, or similar cylindrical objects to clean
the pilot to avoid damaging the calibrated ruby that controls
the gas flow.
2. Blow air pressure through the holes indicated by the arrows.
This will blow our foreign materials such as dust, lint and
spider webs. Tighten nut B also by grasping nut A.
Figure 18
The main burner operation is MANUAL. The owner must manually
place the main burner in operation. The owner will either select
one, three or five plaques to be in operation. Once the owner has
turned the main burner ON, it will continue to operate until the
owner manually turns the main burner OFF.
Description of Manual Gas Control Knob:
OFF position.
PILOT position.
SR-6
Position 1 Will have one plaque in operation, the input will be
6,000 BTUH (1.8KW/H).
SR-10
Position 1 Will have one plaque in operation, the input will be
10,000 BTUH(2.9KW/H).
SR-18
Position 1 Will have one plaque in operation, the input will be
6,700 BTUH (2KW/H).
Position 2 Will have two plaques in operation, the input will be
12,000 BTUH (3.5KW/H).
Position 3 Will have three plaques in operation, the input will
be 18,000 BTUH (5.3KW/H).
SR-30
Position 1 Will have one plaque in operation, the input will be
8,000 BTUH (2.3KW/H) for Natural gas and 7,000
Btuh (2.1KW/H) for Propane/LP gas.
Position 2 Will have three plaques in operation, the input will
be 18,000 BTUH (5.3KW/H).
Position 3 Will have five plaques in operation, the input will
be 30,000 BTUH (8.8KW/H).
PILOT FLAME CHARACTERISTICS
MAIN BURNER OPERATION