State Industries SBL85 275NE(A), SBL85 390NE(A) Troubleshooting, Complaint Cause Remedy User

Page 33

Troubleshooting

COMPLAINT

CAUSE

REMEDY

USER

Qualified Service Agency

*Water not hot enough

Thermostat set too low.

Set thermostat dial to a higher

 

 

 

temperature

 

 

Upper and/or lower temperature

Call qualified service agency

Check continuity and resistance (Ohms)

 

probe out of calibration.

 

of upper and lower temperature probes.

 

 

 

Replace probes if out of specification.

*Insufficient hot water

Thermostat set too low.

Set thermostat dial to a higher

 

*See WATER TEMPERATURE

 

temperature

 

CONTROL WARNING (on page

Upper and/or lower temperature

Call qualified service agency

Check continuity and resistance (Ohms)

12).

probe out of calibration.

 

of upper and lower temperature probes.

 

 

 

Replace probes if out of specification.

 

Main manual gas shutoff valve

Open main manual gas shutoff

 

 

partially closed.

valve to fullest extent.

 

 

Heater too small for demand.

Space usage to give heater time

 

 

 

to restore water temperature.

 

 

Heater recovery is slower.

Call qualified service agency

Check gas input. If incorrect, check

 

 

 

for inlet air blockage and/or flue gas

 

 

 

exhaust blockage.

Water temperature too hot.

Thermostat set too high.

Set thermostat to a lower setting.

 

Rumbling.

Sediment accumulation on

Drain a quantity of water through

Delime heater.

 

bottom of tank.

drain valve. If rumbling persists,

 

 

 

call a qualified service agency.

 

Ticking or metallic sounds.

Expansion and contraction -

 

 

 

normal.

 

 

Pounding or water hammer.

Air chambers in piping have

Drain piping system and refill.

Follow the manufacturer's instructions

 

become waterlogged. Thermal

Heater must be off while this

for proper charging of the thermal

 

expansion tank damaged,

is being done. Check thermal

expansion tank.

 

improperly charged, or

expansion tank charge pressure

 

 

improperly sized.

when the water system pressure

 

 

 

is zero.

 

Water leaks.

Drain valve not closed tightly.

If drain valve cannot be closed

 

 

 

tightly, replace.

 

 

If leakage source cannot be

Shut off gas supply to heater

Repair or in case of suspected tank

 

corrected or identified, call

and close cold water inlet valve

leakage, be certain to confirm before

 

qualified service agency.

to heater.

replacing heater.

Gas odors.

Possible gas leaks.

Shut off gas supply to heater

 

 

 

and call gas company at once

 

33

Page 32 Page 34
Image 33
Page 32 Page 34
Contents SBL95 199NE SBL85 275NEA SBL85 390NEA Ultra Low NOx Series Commercial gas water heatersTable Of Contents Approvals Safe Installation, Use and ServiceGeneral Safety Information Fire or Explosion HazardFire and Explosion Hazard Precautions Grounding InstructionsHydrogen Gas Flammable Introduction Qualified Installer or Service AgencyAbbreviations Used QualificationsHydrocannon self-cleaning system Features and ComponentsBlower/Burner Assembly High Limit Switch ControlsRough In Dimensions Installation considerationsRough-In-Dimensions Recovery Capacities, based on 82% efficiencyClearances Locating the Water HeaterInsulation Blanket NSF Leg KitHard Water Circulation PumpsBreathing Hazard Carbon Monoxide Gas High Altitude InstallationsInstallation Requirements Dishwashing Machines Temperature-Pressure Relief ValveClosed Water Systems Thermal ExpansionCombustible Material Storage Water Damage HazardContaminated Air Valve Discharge Pipe RequirementsUnconfined Space Air RequirementsConfined Space VentingFresh Air Openings for Confined Spaces Multiple Heater Manifold Outdoor Air Through One OpeningOutdoor Air Through Two Openings Outdoor Air Through Two Horizontal DuctsAir From Other Indoor Spaces Outdoor Air Through Two Vertical DuctsTechnical Data Venting Type B GAS VentMultiple Gas Fired Tank-Type Heaters Model SBL85 275NEA Water heater installation Water Line ConnectionsValve Discharge Pipe Installation Diagrams Top Inlet/Outlet Usage Heater Wiring Gas Piping Gas Line Leak TestingPurging Gas Meter Size Natural Gases OnlyStart up Prior to Start UpInitial Start Up Multiple Appliance Installations Water Temperature AdjustmentChecking Venting Checking the InputLighting & Operating Label Sequence of OperationYES Sequence of Operation Flow ChartTemperature-Pressure Relief Valve Test MaintenanceVenting System Intake Air ScreenDeliming Solvents Draining and FlushingTo Drain the Water Heater Storage Tank To Flush the Water Heater Storage TankTank Cleanout Procedure Deliming Using Flo-Jug MethodChemical Hazard System Diagnostics Ignition Control SystemElectrical Servicing For Your Information High Water Temperature Shut OFF SystemStart Up Conditions Operational ConditionsTroubleshooting Qualified Service AgencyComplaint Cause Remedy User Water Piping DiagramsTemperature & Pressure Temperature & Pressure Relief Valve Circulating Pump Multi Flue 2 Units Multi Flue 2 Units with Vertical Storage Tank Multi Flue 2 Units with Vertical Storage Tank Return from Multi Flue 2 Units TWO Temperature Multi Flue 2 Units with Booster TWO Temperature MULTI-FLUE 3 Units MULTI-FLUE 3 Units with Vertical Storage Tank MULTI-FLUE 3 Units with Horizontal Storage Tank Multi Flue Flue 4 Units MULTI-FLUE 4 Units with Vertical Storage Tank MULTI-FLUE 4 Units with Horizontal Storage Tank Model Dimension a Page ALL Other Parts Limited Warranty
Top Page Image Contents