UTICA BOILERS UB90-125 Installation, Operation & Maintenance Manual page 29

Gas-fired, direct vent, condensing, hot water boiler
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WARNING
!
If you do not follow these instructions
exactly, a fire or explosion may result
causing property damage, personal injury
or loss of life.
• This appliance is equipped with an ignition device
which automatically lights burner. Do NOT try to
light this burner by hand.
• Before operating smell all around appliance area
for gas. Be sure to smell next to floor because
some gas is heavier than air and will settle to the
floor.
• Use only your hand to turn the gas shutoff
valve. Never use tools. If valve will not turn
by hand, do not try to repair it, call a qualified
service technician. Force or attempted repair may
result in fire or explosion.
• Do not use this appliance if any part has
been under water. Immediately call a qualified
service technician to inspect appliance and to
replace any part of control system and any gas
control which has been under water.
LIGHTING PROCEDURE FOR BOILER WITH
INTERMITTENT PILOT SYSTEM
This appliance is equipped with an ignition device which
1.
automatically lights the pilot. Do not try to light the
appliance by hand.
CAUTION
!
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switches; 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.
11 - STARTUP
Operating Instructions
STOP! Read the safety information on this page before
1.
operating this appliance.
Set the thermostat to the lowest setting.
2.
Turn off all electrical power to the appliance.
3.
This appliance does not have a pilot. It is equipped with
4.
an ignition device which automatically lights the burner.
Do NOT try to light this burner by hand.
Remove the front jacket panel.
5.
Turn off the gas shut off valve. Valve handle should be
6.
perpendicular to the gas pipe.
Wait five minutes for any gas to clear. Then smell for
7.
gas, including near the floor. If you smell gas, STOP!
Follow instructions at left under "What To Do If You
Smell Gas." If you do not smell gas, go to the next
step.
Turn the gas shut off valve to the "On" position. The
8.
handle on the valve should be parallel to the gas pipe.
Replace the front jacket panel.
9.
Turn on all electrical power to the appliance.
10.
Set thermostat to desired setting.
11.
If the appliance will not operate, follow instructions in
12.
"To Turn Off Gas To Appliance" (below) and call
your service technician or gas supplier.
To Turn Off Gas To Appliance
Set thermostat to lowest setting.
1.
Turn off all electric power to appliance if service is to be
2.
performed.
Remove the front jacket panel.
3.
Turn gas shut off valve off. Handle should be
4.
perpendicular to the gas pipe.
Replace the front jacket panel.
5.
Safe lighting and other performance criteria were met with
gas manifold and control assembly provided on boiler when
boiler underwent tests specified in ANSI Z21.13-latest
revision.
29

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This manual is also suitable for:

Ub90-200Ub90-150Ub90-175

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