Lennox GWB8-E Mode d’emploi

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

qualied installer, service agency or the gas

supplier.

Do not use this boiler if any part has been under water. Immediately call a qualied 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.

General

This boiler has few user serviceable parts. Maintenance

and Service must be completed by qualied 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 qualied 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 qualied 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

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 qualied 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 qualied 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

GENERAL INSTRUCTIONS

Beginning of Each Heating Season

Contact qualied 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 qualied 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 qualied service

agency.

To Clean Flue Gas Passageways

Remove burners from combustion chamber by raising

burners up from manifold orices and pulling toward

front of boiler. See Figure 2.

Disconnect vent pipe from draft hood.

Remove top jacket panel.

Remove combination ue collector and draft hood from

boiler castings by loosening nuts on hold down bolts

located on each side of collector.

Place sheet of heavy paper or similar material over

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

Orices

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.

V• isually check main burner and pilot ames at start of

heating season and again mid-season. Main burner ame

should have well dened inner blue mantel with lighter

blue outer mantel. Check burner throats and burner

orices 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 Orices

NOTES

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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