Triton Service Manual SVC1020T ; Rev 4
80 and 100 gallon chassis
48
1.Turn Triton OFF.
2.Locate the adjusting screw on the gas valve. (See pics below for reference)
3. Turn the Triton ON and demand heat.
4. If the unit does not go to main burner, turn unit OFF; turn the screw counterclockwise a 1/8 turn
and restart the unit.
5. Continue this procedure until you have main burner; and the LCD says HEATING.
Next, you will need a combustion analyzer for CO² to fine tune the gas valve.
6. Following the instructions on your combustion analyzer, get a reading of the CO2 levels of the
combustion gases. Easiest way to do this is to remove the pressure switch tubing from the exhaust
pressure switch after the unit has been in “HEATING” status for at least 30 seconds. Insert your
analyzer sensor into pressure switch tubing and check your CO² readings.
7. Once you have a consistent CO2 reading, we need to adjust the reading to 8.8-9.2% CO² (10.3-
10.8% for LP gas) If your reading is higher than 9.2%, then adjust the screw clockwise (-); if your
reading is lower than 8.8%, then adjust the screw counterclockwise (+).
8. When final adjustments are complete, close and seal the tap hole.
• All adjustments must be done with a minimum 15 degree delta T (difference between actual
tank temp and set temp) to ensure heater is in full fire mode.
• Excess gas valve adjustment will cause a cracked condensate pan. This will cause the heater
to be replaced. Adjustments to the gas valve should be slow in 1/8 turn increments only.
Gas Valve Adjustment Procedure
400Kbtu Adjustment Screw
(Requires Allen Head Wrench to Adjust)
130 to 350Kbtu Adjustment Screw
(Requires Flat Head Screw DriverWrench to Adjust)
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