Lennox GWB8-E Leitfaden
USER'S
INFORMATION
MANUAL
P/N 240009028, Rev. A [1/2012]
CAST IRON GAS FIRED
WATER HEATING BOILERS
WARNING: If the information in this manual is not
followed exactly, a re or explosion may result causing
property damage, personal injury or loss of life.
Do not store or use gasoline or other ammable
vapors and liquids in the vicinity of this or any
other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.•
Do not touch any electrical 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 •
re department.
Installation and service must be performed by a
qualied installer, service agency or the gas
supplier.
Do not use this boiler if any part has been under water. Immediately call a qualied service technician
to inspect the boiler and to replace any part of the control system and any gas control which has been
under water.
Should overheating occur or the gas supply fail to shut off, do not turn off or disconnect the electrical
supply to the pump. Instead, shut off the gas supply at a location external to the appliance.
2
General
This boiler has few user serviceable parts. Maintenance
and Service must be completed by qualied agency.
WARNING
Fire, explosion, asphyxiation and electrical shock hazard.
Improper maintenance and service could result in death
or serious injury. Read this manual and understand all
requirements, including use of qualied agency where
directed.
Become familiar with symbols identifying
potential hazards.
NOTICE
Used to address practices not related to personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
!
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
!
DANGER
Indicates a hazardous situation which, if not avoided, WILL
result in death or serious injury
!
This is the safety alert symbol. Symbol alerts you to
potential personal injury hazards. Obey all safety messages
following this symbol to avoid possible injury or death.
What To Do Should Overheating Occur
Do not turn off or disconnect electrical supply to pumps.
Shut off gas supply at location external to appliance.
What To Do If Boiler Or Any Part Has Been Under
Water
Do not use boiler if any part has been under water.
Immediately call a qualied service technician to inspect
boiler and to replace any part of control system and any
gas control which has been under water.
USERS INFORMATION MANUAL
3
Figure 1 - Gas Valve
FOR YOUR SAFETY READ BEFORE OPERATING
CAUTION
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.•
Do not touch any electrical 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 re •
department.
!
WARNING
If you do not follow these instructions
exactly, a re 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 oor because some gas
is heavier than air and will settle to the oor.
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 qualied service technician. Force
or attempted repair may result in re or explosion.
Do not use this appliance if any part has been•
under water. Immediately call a qualied service
technician to inspect appliance and to replace any part
of control system and any gas control which has been
under water.
Do not operate boiler• if hot water boiler and system
are not full of water to minimum pressure of 12 psi.
Verify system is vented of air.
!
OPERATING INSTRUCTIONS
Stop! Read Safety information above.
Set thermostat to lowest setting.•
Turn "• OFF" all electrical power to appliance.
This appliance is equipped with an ignition device which •
automatically lights the burner. Do not try to light
burner by hand!
Turn• gas control knob clockwise to closed
position. See Figure 2-1
Wait 5 minutes for any gas to clear. Smell for gas, •
including near oor. If you smell gas, STOP! Follow
instructions on this page: “What To Do If You Smell
Gas.” If you do not smell gas, go to next step.
Turn gas control knob counter clockwise • to open
position.
Turn "• ON" electrical power to appliance.
Set thermostat to desired setting.•
If the appliance will not operate, follow instructions TO •
TURN OFF GAS TO APPLIANCE and call your service
technician or gas supplier.
TO TURN OFF GAS TO APPLIANCE
Set thermostat to lowest setting.•
Turn• "OFF" all electric power to appliance if service is
to be performed.
Remove access panel(s).•
Turn gas shutoff control knob clockwise • to
closed position.
Replace access panel(s).•
Gas Control Knob
(Shown in Open
position)
LIGHTING INSTRUCTIONS
4
GENERAL INSTRUCTIONS
Beginning of Each Heating Season
Contact qualied agency to perform maintenance and •
cleaning per Installation, Operation and Maintenance
manual. Inspection will include examining all ue
product carrying areas, vent system, burner and gas
input rate. Will also include lling boiler with water if
drained as part of End of Heating Season procedure.
Inspect •
vent pipe from boiler to chimney for
signs of deterioration by rust or sagging joints.
Repair if necessary. Remove vent pipe at base of
chimney or ue and using mirror, check vent for
obstruction.
Inspect boiler ue gas passageways using a light and •
mirror. Remove burner door. Place trouble lamp in
ue collector through draft relief opening. With mirror
positioned above burners, ue gas passageways can be
checked for soot or scale. See Figure 2.
In event ow of combustion products through boiler
venting system becomes blocked, blocked vent
safety switch will shut main burner gas off. If this
condition occurs, do not attempt to place boiler in
operation. Contact a qualied service agency.
If boiler ue-ways become blocked, ame rollout
safety switch will shut main burner gas off. If this
condition occurs, do not attempt to place the
boiler in operation. Contact a qualied service
agency.
To Clean Flue Gas Passageways
Remove burners from combustion chamber by raising
1.
burners up from manifold orices and pulling toward
front of boiler. See Figure 2.
Disconnect vent pipe from draft hood.
2.
Remove top jacket panel.
3.
Remove combination ue collector and draft hood from
4.
boiler castings by loosening nuts on hold down bolts
located on each side of collector.
Place sheet of heavy paper or similar material over
5.
bottom of base and brush down ue passageways. Soot
and scale will collect on paper and is easily removed
with the paper.
With paper still in place in base, clean top of boiler
castings of boiler putty or silicone used to seal between
castings and ue collector. Verify chips are not lodged
in ue passageways.
When the cleaning process is complete, restore boiler
components to their original position. Use boiler putty or
IS-808 GE silicone (available from the distributor) to seal
around ue collector and boiler castings.
Blocked Vent
Safety Switch
Rollout Switch
4 Section Boiler
R o l l o u t S w i t c h
2 , 3 , 5
Section Boiler
Intergral Draft
Hood
Base
Burner
Door
Burners
Orices
Jacket Base
Panel
Figure 2 - Boiler Flue Gas Passageways
Figure 3 - Burner Flame
Note: Rollout switch and gas valve will be on left side of
some models.
5
V• isually check main burner and pilot ames at start of
heating season and again mid-season. Main burner ame
should have well dened inner blue mantel with lighter
blue outer mantel. Check burner throats and burner
orices for lint or dust obstruction. See Figure 3.
Pilot ame should envelop 3/8 to 1/2 inch of tip of pilot •
thermocouple, ignition/sensing electrode or mercury
sensor. See Figure 4.
To adjust pilot ame, remove pilot adjustment cover •
screw and turn inner adjustment screw counterclockwise
to increase or clockwise to decrease pilot
ame. Replace cover screw after adjustment to prevent
possible gas leakage.
Check burners and pilot for signs of corro sion, rust or •
scale build-up. Keep area around boiler clear and free
of combustible materials, gasoline and other ammable
vapors and liquids.
Do not restrict or block free ow of combustion and •
ventilating air to the boiler and boiler room.
GENERAL INSTRUCTIONS
Figure 4 - Burner Pilot Flame
Figure 8 - Burners, Burner Orices
6
NOTES
7
Date Service Performed Company Name & Tech Initials Company Address & Phone #
SERvICE RECORd
Following information is needed for all service calls.
(*Information is found on boiler's rating plate)
Date of Installation: ______________________
*Boiler Serial # :_________________________
*Boiler Model #: _________________________
Installed By:____________________________
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