PVI Industries PV500-45U manual Recommended Maintenance Schedule

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18RECOMMENDED MAINTENANCE SCHEDULE

1.Annual Maintenance

a.Check all joints and pipe connections for tightness, corrosion or deterioration.

b.Check the electronic-ignition system for quick ignition and a proper flame signal.

c.Check all safety controls including thermostats for proper operation.

d.Check safety shut-off valves for operation and tightness.

e.Test flame failure detection system.

f.Test high limit and operating temperature controls.

g.Conduct a combustion test.

h.Perform leakage test on pilot and main gas valves.

i.Test air switch in functionality.

2.Semi-Annually

a.Recalibrate all indicating and recording gauges.

b.Check flame failure detection system components.

c.Check firing rate control.

d.Check piping and wiring of all interlocks and shutoff valves.

e.Inspect burner components.

f.Check igniter.

g.Test high and low gas pressure interlocks.

h.If equipped, check air filter and replace if required.

3.Monthly Maintenance

a.Test low-water cutoff device and alarm (if equipped).

b.Check flue, vent, stack, or outlet dampers.

c.Check flame signal strength.

d.Check flame failure detection system.

e.Check firing rate control.

f.Listen to and visually check the pilot and main fuel valves.

4.Daily Maintenance

a.Check gauges, monitors, and indicators.

b.Check instrument and equipment settings.

5.As Required

a.Check drip leg and gas strainers.

b.Test flame failure detection system.

c.Test temperature and pressure relief valves in accordance with ASME Boiler and Pressure Vessel Code Sections VI & VII.

d.Tank flush and cleanout.

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PV500-45U 06/12

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Contents Installation & Maintenance Manual Table of Contents Operating and Safety Controls Troubleshooting Guide Replacement PartsTemptrac Electronic Controller Panel Remote Connections Terminal StripSafety Considerations Product Safety InformationBelow scalding temperatures Standard Features and Equipment Series Series Series Water Heater Installation Checking Equipment Before You InstallCodes Electrical RequirementsService Clearances Clearances To Combustible SurfacesGeneral Piping Guidelines Inlet and Outlet ConnectionsPV500-45U 06/12 PV500-45U 06/12 Optional Condensate Neutralization System Inlet Pressure NAT. GAS GAS Supply and PipingConvert Fittings to Equivalent Straight Pipe Single Unit Installation Suggested Pipe Size Multiple Unit Installations GAS Piping Size ChartNominal Iron Length of Pipe in Straight Feet InchesCombustion and Ventilation AIR Duct Fitting Equivalent Length Duct Pipe Vertical or Horizontal Remote Air Duct TerminationVenting the Tricon VentingMaximum Category IV Vent Length Equivalent Length Vent Fitting Equivalent Length Vent Pipe Combining Category IV VentsOperating and Safety Controls Temperature and Pressure Relief Valve sCathodic Protection High Water Temperature Limit ControlElectronic Low Water Cut-Off Optional Temptrac Electronic Controller Panel SETDown ClockTo Change The Setpoint To View The SetpointTo Change Other Parameters LED Display Alarm Messages Alarm Cause Results of Alarm Condition MessageRecommended Action Remote Connections Terminal StripSequence of Operation Incoming 120VACLoss of Flame Signal LED Indication Fault ModeInitial Startup Turn-on main gas shutoff valve PV500-45U 06/12 Gas Train Illustration for Models 40 through Gas Train Illustration for Models 65 throughTroubleshooting Guide Problem Probable Cause Corrective ActionReplacement Parts Replacement PartsControl Panel Contact factory for more information Burner Assembly Optional components may or may not be shown Contact factory for more information Item No Qty PVI Part No DescriptionPeriodic Maintenance PV500-45U 06/12 Recommended Maintenance Schedule PV500-45U 06/12 PV500-45U 06/12