33
COMMISSIONING SECTION 4
Fig 22.
Shutting Off The Burner
For long periods only, (7 days or more) turn control knob to PILOT, partially depress
knob, then turn clockwise to OFF. Turn off gas service cock. For shorter periods leave
heater under thermostat control.
Checking Main Burner Pressure
1. Turn gas control knob to OFF.
2. Release bleed screw A and connect pressure gauge tube.
3. Light burner as described above.
4. Remove valve cap from port B and adjust pressure using exposed screw in accordance
with data plate.
Turn screw clockwise to increase pressure and counterclockwise to decrease.
If possible, check gas rate (see Technical Data) with meter and watch.
Refit valve cap to port B.
5. Turn gas control to PILOT. Remove pressure gauge tube and tighten bleed screw A.
6. Turn gas control knob to ON and light burner as described above.
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