Dunkirk D249 Series Mode d’emploi

USER'S

INFORMATION

MANUAL

Information and specications outlined in this manual in effect at the

time of printing of this manual. ECR International reserves the right to

discontinue, change specications or system design at any time without

notice and without incurring any obligation, whatsoever.

Check our website frequently for updates: www.ecrinternational.com

P/N 240010360, Rev. A [11/2013]

SERIES

D249

GAS FIRED STEAM HEATING BOILER

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.

DUNKIRK BOILERS

2201 Dwyer Avenue, Utica NY 13501

web site: www.ecrinternational.com

USERS INFORMATION MANUAL

INSTRUCTIONS FOR OPERATION AND MAINTENANCE

OF GAS FIRED HOT WATER HEATING BOILER

RETAIN FOR FUTURE REFERENCE

SAFETY SYMBOLS & WARNINGS

DANGER

Maintenance and Service must be completed by qualied

agency.

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.

Become familiar with symbols identifying

potential hazards.

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.

WARNING

Fire, explosion, and asphyxiation hazard. Before

lighting verify boiler contains water visible in gauge

glass . Failure to follow these instructions could

result in death or serious injury.

LIGHTING INSTRUCTIONS

Figure 1 - Honeywell VR8300 Series Gas Valve

(300/400 Bases)

Figure 2 - Robertshaw 7000 DERHC Series Gas Valve

(500 Base)

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.

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!

• Remove front jacket panel.

• Turn gas shutoff valve clockwise to closed position.

Handle should be perpendicular to gas pipe.

See Figures

2-1 and 2-2.

• 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 shutoff valve counter clockwise to the

open position. Handle should be parallel to gas pipe.

• Replace front jacket panel.

• 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.

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.

2.2 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 front jacket panel.

• Turn gas shutoff valve handle clockwise to closed

position. Handle should be perpendicular to gas pipe.

See Figures 2-1 and 2-2.

• Replace front jacket panel.

Perform general housekeeping and maintenance as speci-

ed below.

Weekly Maintenance

• Boilers are equipped with safety valve (steam).

Refer to manufacture's instructions for operation and

maintenance.

• If valve leaks steam when boiler is operating at normal

pressure it must be replaced. Contact qualied service

agent to replace or repair.

• On steam boilers with manual low water cut-off valves,

open purge valve until water ows clear. See Figure# 3.

Annually or 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 heat

exchanger.

• Filling the boiler if drained as part of End of Heating

Season procedure and blowing down the boiler.

GENERAL INSTRUCTIONS

Before the beginning of each heating season have a

qualied agency check and clean the boiler.

Check for the following:

Flue ways for dirt and scale.

Venting ue connectors for plugging, sagging, rust

through and solid joints.

Burners and pilot for proper ame and operation.

Gas piping for leaks.

Operation of electronics and wiring condition.

Functionality of low water cutoff (steam).

Functionality of Pressure Control.

Water pump oiling (See manufacturer's manual).

Safety relief valve or safety valve.

10.

Blow down.

11.

Air vents on steam heaters.

12.

Operation of other custom system components.

13.

Purge air from water systems.

14.

Clean and Flush steam systems, if required, and ll to

proper level. (See Figure #3)

WARNING

Burn and scald hazard. Discharge of water, vapor

and steam may scald. Failure to follow these

instructions could result in death or serious injury.

WARNING

Burn and scald hazard. Discharge of water, vapor

and steam may scald. Water and steam are under

pressure, open all valves slowly. Failure to follow

these instructions could result in death or serious

injury.

GENERAL INSTRUCTIONS

Maintain proper water level – Flush manual Low Water Cutoff once a week.

SKIM TEE

Figure 3 - Steam Boiler – Optimum Water Level

NOTES

Date Service Performed Company Name & Tech Initials Company Address & Phone #

Name:

Address:

Phone: Email:

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