UTICA BOILERS UB90 125 Installation Manual And Operating Instructions page 21

2. Before operating smell all around the appli-
ance area for gas. Be sure to smell next to the
floor because some gas is heavier than air and
will settle to the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch or use any
phone in the building.
• Immediately call your gas supplier from a neigh-
bor's phone. Follow the gas supplier's instructions.
• If you can not contact your gas supplier, call
the fire department.
3. Use only your hand to turn the gas shut off
valve. Never use tools. If the valve will not turn
by hand, do not try to repair it, call a qualified
service technician. Force or attempted repair
may cause fire or explosion.
4. Do not use this appliance if any part has been
under water. Immediately call a qualified ser-
vice technician to inspect the appliance and to
replace any part of the control system and any
gas control which has been under water.
OPERATING INSTRUCTIONS
1. STOP! Read the safety information above be-
fore operating this appliance.
2. Set the thermostat to the lowest setting.
3. Turn off all electrical power to the appliance.
4. This appliance does not have a pilot. It is
equipped with an ignition device which automat-
ically lights the burner. Do NOT try to light this
burner by hand.
5. Remove the front jacket panel.
6. Turn off the gas shut off valve. Valve handle
should be perpendicular to the gas pipe.
7. Wait five minutes for any gas to clear. Then
smell for gas, including near the floor. If you
smell gas, STOP! Follow instructions at left un-
der "What To Do If You Smell Gas." If you do not
smell gas, go to the next step.
8. Turn the gas shut off valve to the "On" posi-
tion. The handle on the valve should be parallel
to the gas pipe.
9. Replace the front jacket panel.
10. Turn on all electrical power to the appliance.
11. Set thermostat to desired setting.
12. If the appliance will not operate, follow the
instructions in "To Turn Off Gas To Appliance"
(below) and call your service technician or gas
supplier.
TO TURN OFF GAS TO APPLIANCE
1. Set the thermostat to the lowest setting.
2. Turn off all electric power to the appliance if
service is to be performed.
3. Remove the front jacket panel.
4. Turn gas shut off valve off. Handle should be
perpendicular to the gas pipe.
5. Replace the front jacket panel.
Safe lighting and other performance criteria were
met with the gas manifold and control assembly
provided on the boiler when the boiler underwent
tests specified in ANSI Z21.13-latest revision.
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