Bradford-White Corp BJVT, BJVS, Residential Gas-Fired Hydronic Boilers General Maintenance

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Brute Mini Hydronic Boiler

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DANGER

Read and understand this entire procedure prior to proceeding. Improper adjustment of high altitude shutters may result in a fire, explosion, and/or high levels of toxic gases which may cause property damage, personal injury, or loss of life.

DANGER

Lisez la manière de procéder dans sa totalité et comprenez-la bien avant de commencer. Un ajustement inadéquat des volets en haute altitude peut provoquer un incendie, une explosion, et/ou des niveaux élevés de gaz toxiques qui pourraient causer des dégâts matériels, des blessures personnelles, voire la mort.

1.STOP! Read the safety information above.

2.Perform System Start-Up in accordance with Section 7.2 of this manual.

3.Remove burner cover by loosening two (2) thumbscrews.

4.Observe flame pattern on all burners. If the flame on any burner is pulsing, unstable or lifting continue with this procedure. Otherwise skip to step 10.

5.On all burners exhibiting an abnormal flame, loosen but do not remove the air shutter locking screw using a 5/16 inch wrench (see Figure 12).

6.On each affected burner, slowly close the air shutter until a normal flame is observed then re- tighten its associated locking screw.

7.Turn the boiler off.

8.Perform System Start-Up in accordance with Section 2A of this manual.

9.Observe flame pattern on all burners. If the flame on any burner is pulsing, unstable or lifting then repeat steps 5 and 6 until all burners are exhibiting a normal flame.

10.Re-install the burner cover and tighten it in place.

LOCKING SCREW

(5/16" HEAD)

AIR SHUTTER

BURNER

Figure 13. Air Shutter Adjustment.

SECTION 8.

Maintenance

8.1 General Maintenance

WARNING

Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide in flue gases which could result in severe injury, or death.

AVERTISSEMENT

Une installation ou un entretien inadéquat peut causer la nausée ou l’asphyxie en raison du monoxyde de carbone présent dans les gaz de combustion et même entraîner des blessures graves ou la mort.

WARNING

SERVICING SAFETY

Some of the servicing procedures for the Brute Mini BJVS and BJVT boilers are hazardous because they involve fuel gas, electricity, moving parts and procedures which require testing or temporary bypass of safety controls. For this reason, the heater must be serviced only by a qualified professional service technician.

IMPROPER SERVICE HAZARD

The Brute Mini BJVS and BJVT boilers incorporate unique design features. Incorrect service of this boiler can result in personal injury or damage to property. To avoid such hazards, the heater must be serviced only by a qualified professional service technician.

AVERTISSEMENT PRÉCAUTIONS LORS DES RÉPARTATIONS ET DE L’ENTRETIEN

Certaines procédures d’entretien et de réparation des appareils de chauffage à faibles émissions présentent des changers, car elles mettent en jeu des gaz combustibles, des composants électriques, des pièces mobiles et des procédures qui nécessitent des mises à l’essai ou la dérivation temporaire des commandes de sécurité. Pour cette raison, l’appareil de chauffage doit être entretenu et réparé uniquement par un technicien professionnel qualifié

DANGERS D’UN ENTRETIEN INADÉQUAT

Les appareils de chauffage à faibles émissions comportent des caractéristiques techniques uniques. Une réparation ou un entretien inadéquat peut entraîner des blessures corporelles ou des dommages à la propriété. Pour cette raison, l’appareil de chauffage doit être entretenu et réparé uniquement par un technicien professionnel qualifié.

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Contents Brute Mini Table of Contents General Information Specifications Installation InstructionsDiagnostic Tools General SpecificationsBjvt models, the damper plate hole should never be blocked Field AssemblyFlooring ClearancesCombustion Air Supply VentingExhaust Venting Common Venting Systems Vent Pipe Sizing and General InstallationVenting Multiple Appliances Inspection of Commonly Vented Appliances Gas Supply and Piping Gas ConnectionsTypical design for a sediment trap/drip leg Special Precautions for LP GasWater Connections Adjusting the bypassWater Piping Alternate Auto-Bypass OperationTypical Plumbing Installations Multi-Zone Damage from improper flow is not warranted Flow RequirementsElectrical Main PowerChilled Water Systems Oxygen Permeable SystemsWiring Diagram, Spark Ignition System Bjvs 50 Wiring Diagram, Standing Pilot System Bjvt Wiring Diagram, Spark Ignition, Two-Stage Bjvs Multiple Zone Wiring Grounding Operating InstructionsAuxiliary Devices Normal OperationFilling the System Start-upBoiler Start-up Lighting the Boiler Lighting and Shutdown ProceduresShutdown Main Burner Shutdown Bjvt only High Altitude Burner Air Shutter AdjustmentComplete Shutdown General Maintenance MaintenanceBoiler Components and Their Operation General Boiler Troubleshooting TroubleshootingSymptom Cause Remedy Troubleshooting GuideStart Troubleshooting Honeywell S8600 Intermittent Pilot SystemGlossary Electrical TroubleshootingGlossary of Terms Parts List Replacement PartsOrdering Information BJVS-50 BJVT-50 BJVS-75 BJVT-75 Jacket and Fire Box Components Parts Identification 11.3Exploded ViewBrute Mini Hydronic Boiler H2343000