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P/N# 240009276, Rev. A [03/2012]

RETAIN THESE INSTRUCTIONS FOR

FUTURE REFERENCE

These instructions must be affi xed on

or adjacent to the boiler.

GAS FIRED BOILER

INSTALLATION

INSTRUCTIONS

PRODUCT LITERATURE

Lennox Industries Inc.
Dallas, Texas

This boiler cannot be used with all types of

chimneys. Read these instructions carefully
before installing.

GAS-FIRED HOT WATER BOILERS

These Gas-Fired Water boilers are low pressure,

sectional cast iron boilers Design Certi

ed by

CSA (Canadian Standards Association) for

use with Natural and Propane Gases. They

are constructed and hydrostatically tested for

maximum working pressure of 50 psi (pounds

per square inch) in accordance with A.S.M.E.

(American Society of Mechanical Engineers)

Boiler and Pressure Vessel Code Section IV

Standards for Cast Iron Heating Boilers.

Tested for 50 psi. ASME

Working Pressure

C.S.A. Certifi ed for

Natural gas or Propane

WARNING

Improper installation, adjustment,

alteration, service, or maintenance

can cause injury or property damage.

Refer to this manual. For assistance

or additional information consult a

quali

ed installer, service agency, or

the gas supplier.

GWB8-262E-2
GWB8-245E-2
GWB8-299E-2
GWB8-280E-2

Содержание GWB8-245E-2

Страница 1: ...rds Association for use with Natural and Propane Gases They are constructed and hydrostatically tested for maximum working pressure of 50 psi pounds per square inch in accordance with A S M E American...

Страница 2: ...1 DIMENSIONS Table 1 Dimensions BOILER MODEL NUMBER DIMENSIONS INCH FLUE DIAMETER A WIDTH GWB8 245E 2 GWB8 262E 2 7 27 GWB8 280E 2 GWB8 299E 2 7 30 Add 5 to height for vent Damper Figure 1 Dimensions...

Страница 3: ...requirements such as intermittent system operation extensive piping systems etc 3 Mbh 1 000 Btuh British Thermal Unit Per Hour Ratings marked Net AHRI Ratings indicate amount of remaining heat input...

Страница 4: ...Read this manual and understand all requirements before beginning installation SAFETY SYMBOLS WARNINGS The following defined symbols are used throughout this manual to notify the reader of potential...

Страница 5: ...2 Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically fired Boilers ANSI ASME CSD 1 3 Boiler series is...

Страница 6: ...cted indoor spaces All Outdoor Air Provide permanent opening s communicating directly or by ducts with outdoors A Two Permanent Opening Method Provide opening commencing within 12 inches of top and se...

Страница 7: ...of the relief valve outlet over the entire length of discharge line have no intervening shutoff valve between safety relief valve and discharge to atmosphere do not plug or place any obstruction in di...

Страница 8: ...e 10 Significant condensation may form in boiler and or venting system if boiler is operated for long period of time with return temperatures of less than 120 F Condensate is corrosive and can cause s...

Страница 9: ...9 Figure 5 Chilled Water Piping Figure 4 Typical Hot Water Piping 6 CONNECTING SUPPLY AND RETURN PIPING...

Страница 10: ...10 Figure 6 BYPASS PIPING CIRCULATOR ON SUPPLY Figure 7 BYPASS PIPING CIRCULATOR ON RETURN Bypass Piping Required For High Mass Large Water Content Systems 6 CONNECTING SUPPLY AND RETURN PIPING...

Страница 11: ...ugged by using plug supplied with vent damper 1 Position furnished vent damper on top of flue outlet collar Fasten damper securely to flue outlet collar with sheet metal screws Verify damper blade has...

Страница 12: ...fireplace dampers 4 Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliance will operate continuously 7 CHIMNEY AND VENT PIPE CONNECTION 5 Tes...

Страница 13: ...r indicator points to open position Turn thermostat or controller down again and check damper position indicator returns to closed position Vent Damper Manual Operation Vent damper may be placed in op...

Страница 14: ...ld only be made by licensed propane installer Two stage regulation should be used by propane installer Propane gas piping should be checked out by propane installer CHECKING GAS PIPING DANGER Fire Haz...

Страница 15: ...y drafts hot or cold pipes sunlight lighting fixtures televisions a fireplace or a chimney 4 Check thermostat operation by raising and lowering thermostat setting as required to start and stop the bur...

Страница 16: ...ntegrated High Limit Electronic Ignition Control 240008781 I Inducer is not an option WARNING Modification substitution or elimination of factory equipped supplied or specified components may result i...

Страница 17: ...17 11 WIRING DIAGRAMS Figure 13 Integrated High Limit Electronic Ignition Control 240008781...

Страница 18: ...18 11 WIRING DIAGRAMS Figure 14 Integrated High Limit Electronic Ignition Control 240008781...

Страница 19: ...repeat this process Repeat until you have covered every radiation units in the system ending up at highest unit in system If your units have automatic vents manual venting is unnecessary but it will...

Страница 20: ...rol knob slightly and turn clockwise to OFF Do not force WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life...

Страница 21: ...y turning thermostat to lowest setting for one minute then back to normal setting ADJUST PILOT BURNER Pilot flame should surround 3 8 to 1 2 of the pilot sensor See Figure 16 If flame needs adjusting...

Страница 22: ...degrees C After setting limit control to limit setting check to see if it shuts off gas supply to burners Turn your thermostat up to call for heat and let boiler run until temperature of water reache...

Страница 23: ...T PIPE Venting and piping should be checked at least once a season If vent piping shows any sign of leaking replace immediately WATER SYSTEM If system is to remain out of service during freezing weath...

Страница 24: ...inals and wire joints Rollout switch blown Have your service agent check heat exchanged for blockage Replace rollout switch with exact replacement Blocked vent blown Have your service agent check vent...

Страница 25: ...nstalled in supply line It will eliminate air from water before it reaches radiators and bleed off this air MAIN AIR VENT FOR DOWN FLOW SYSTEMS OR DIAPHRAGM TYPE EXPANSION TANK Before system is filled...

Страница 26: ...ed vent safety switch must be reset manually after switch has cooled off by pushing reset button down Check venting system and chimney for blockage when restoring system to operating condition DO NOT...

Страница 27: ...sit Check sensing bulb is fully inserted in well and is not loose Refer to enclosed addendum for wiring instructions when using indirect hot water heater A 3 Adjusting Settings To discourage unauthori...

Страница 28: ...retry Flame signal was lost during state 7 or 8 and delay is called before retry 32 second delay 13 Soft lock out Soft lockout duration is one hour may override with manual reset 14 Hard lock out Man...

Страница 29: ...and display On retry models wait for retry or reset at thermostat Check for correct installation and wiring before replacing any component Control module cannot be repaired If it malfunctions it must...

Страница 30: ...umber of retries exceeded Soft lockout Soft lockout is reset after one hour if alarm reason disappears 63 Soft lockout maximum number of recycles exceeded Soft lockout 64 Soft Lockout electronics fail...

Страница 31: ...nnections are clean and tight Replace damaged wire Check for cracked ceramic insulator which can cause short to ground and replace igniter sensor if necessary At gas valve disconnect main valve wire f...

Страница 32: ...PRODUCT LITERATURE Lennox Industries Inc Dallas Texas Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...

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