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Part Number 550-141-797/0798 9
Universal Control System – Propane gas
This document is intended only as a supplement to the LGB Gas-Fired Boiler Manual. Follow
all instructions in the Manual, including those regarding start-up (found in Section VIII,
“Placing boiler in operation”).
A. This boiler is equipped with a pilot which must be lighted by hand. When lighting the
pilot, follow these instructions exactly. The gas supply to this pilot is controlled by Pilot
switch box. This boiler is also equipped with an ignition device which automatically lights a
second pilot. The gas supply to this pilot is controlled by the Gas control. Do not try to
light this pilot by hand.
B. BEFORE OPERATING THE MANUAL PILOT, smell all around the appliance area for gas.
Be sure to smell next to the floor because some gas is heavier than air and will settle on the
floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
C. Do not use this appliance if any part has been under water. Immediately call a qualified
service technician to inspect the appliance and to replace any part of the control system
and any gas control, which has been under water.
Starting
boiler
1. STOP! Read the safety information above.
2. Set the Operating control to lowest setting.
3. Turn off all electrical power to the appliance.
4. Remove the Base access shield.
5. Close Pilot shut-off valve connected to Manual main shut-off valve. Close
Manual main shut-off valve.
6. Wait five (5) minutes to clear out any gas. Then smell for gas, including
near the floor. If you smell gas, STOP! Follow “B” in the safety information
above. If you don’t smell gas, go to the next step.
7. Open Pilot shut-off valve.
8. Press and hold the reset lever on the Pilot switch box. Manually light the
pilot while holding the lever down. Air in the gas supply line will have to
purge through the line before sufficient gas will reach the pilot.
9. After purging all air, hold the Pilot switch box lever for about 1 minute to
heat the thermocouple.
10. Release the Pilot switch box lever. The pilot should remain lit.
11. Open the Manual main shut-off valve and follow the sequence below.
12. This appliance is also equipped with an ignition device which automatically
lights the second pilot. Do not try to light this pilot by hand.
13. Turn on all electric power to the appliance.
14. Set Operating control to desired setting.
15. If the appliance will not operate, turn off gas to the appliance by closing
the Manual main shut-off valve and Pilot shut-off valve. Call your service
technician or gas supplier.
16. Replace Base access shield and Front panel.
V Operating instructions