PB Heat Gas Boiler manual Exhaust Vent and Intake AIR Pipe Sizing

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VENTING, INLET AIR AND CONDENSATE

Figure 5.1: Location of exit terminals of mechanical draft and direct-vent venting systems.

(Reference: National Fuel Gas Code ANSI Z223.1/NFPA 54 2002).

Figure 5.2: Multiple Pinnacle Vent Spacing

D.EXHAUST VENT AND INTAKE AIR PIPE SIZING

1.For the PI-T50 and PI-T80 Boilers the exhaust vent and air intake pipes should be 2" Schedule 40 or 80.

2.For the PI-80, PI-140, PI-199 the exhaust vent and air intake pipes should be 3" Schedule 40 or 80.

3.The total combined equivalent length of exhaust vent and intake air pipe should not exceed 85 feet.

a.The equivalent length of elbows, tees, and other fittings are listed in Table 5.1.

b.For example: If the exhaust vent has two 90° elbows and 10 feet of PVC pipe we will calculate:

Table 5.1: Fitting Equivalent Length Table

Fitting Description

Equivalent Length

 

 

Elbow, 90°, Short Radius

5

 

 

Elbow, 45°, Short Radius

3

 

 

Coupling

0

 

 

Air Intake Tee

0

 

 

Concentric Vent Kit

3

 

 

V1000 & V500 Vent Kit

0

 

 

Exhaust Vent Pipe Equivalent Length = (2x5)+10=20 feet

Further, if the intake air pipe has two 90° elbows, one 45° elbow and 10 feet of PVC pipe, the following calculation applies:

Air Intake Pipe Equivalent Length = (2x5)+3+10=23 feet

Finally, if a concentric vent kit is used we find:

Total Combined Equivalent Length = 20+23+3=46 feet

Therefore, the total combined equivalent length is 46 feet which is well below the maximum of

85 feet.

c.The intake air pipe and the exhaust vent are intended to penetrate the same wall or roof of the building.

d.Effort should be made to keep a minimum difference in equivalent length between the air intake pipe and the exhaust vent.

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Contents Peerless Pinnacle Table of Contents Installation Sequence Using this ManualSpecial Attention Boxes Codes & Regulations PreinstallationGeneral Accessibility Clearances Combustion and Ventilation AIRAccessibility Clearances Floor Standing Units Wall Hung Boilers Boiler SET-UPGeneral Floor Mounted BoilersOperating Parameters Water Piping and ControlsSystem Components Piping Symbol Key Boiler Inputs and Outputs Net I=B=R Output Model Btu/hr kWRecommended Circulators Boiler Flow Rate and Pressure Drop Boiler ModelFeet meters Grundfos CirculatorSystem Piping Freeze Protection Pinnacle Circulator Sizing GraphOne Boiler, Primary/Secondary with Two Zones Zone Circulator Water Piping and Controls Water Piping and Controls Water Piping and Controls Three Boilers, Primary/Secondary with Four Zones Zone Valves Special Applications Boiler in conjunction with a Chilled Water System Fuel Line Sizing GAS Supply Piping InstallationGAS Piping Feet PipeGAS Supply Piping Operation Gas Supply Piping Sediment TrapRecommended Vent CO² Settings Firing Gas Type Rate Main GAS Valve OperationApproved Materials for Exhaust Vent and Intake AIR Pipe Exhaust Vent / AIR Intake Pipe LocationExhaust Vent and Intake AIR Pipe Sizing Fitting Equivalent Length Table Fitting DescriptionExhaust Vent and AIR Intake Pipe Installation Vent Termination Kits Stock Description CodeVENTING, Inlet AIR and Condensate PI-T50 & PI-T80 Sidewall Venting with 2 Pipe 2 Vent Kit Venting with 3 Pipe Venting with 3 Pipe Concentric Vent Kit With 2 Pipe With 2 Pipe Concentric Vent KitExhaust Tapping for Vent Sample Condensate Drain InstallationBoiler Removal from Common Venting System Electrical WiringSequence of Operation Boiler Control Board Wiring Schematic Safety Interlocks Control FunctionsInstaller Menu Parameter Function Status Menu Description CodeSTART-UP Procedures Completing the InstallationFor Your Safety Read Before Operating Lighting and Operating ProceduresCHECK-OUT Procedure Boiler Error TroubleshootingBoiler Fault P125 Control Board Fault Codes Fault Code Description Corrective ActionWeekly with Boiler in USE MaintenanceGeneral with Boiler in USE Annually Before Start of Heating SeasonGAS Leaks Reset thermostats Important Make Boiler Dimensions & Ratings Boiler DimensionsPI-80/PI-140/PI-199 Dimensions Lbs Sch 40 PVCRepair Parts Repair Parts Advantages of the P125 Control Board Appendix A. WHAT’S NEW with the P125 Control BoardP125 Control Board Quick Reference P125 Control Board VS. WHA Control Board Comparison Figure A.2Comparative Control Board Sequence of OperationPeerless Pinnacle

Gas Boiler specifications

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