Delta PG PLUS-25 warranty Primary Piping Near Appliance Piping

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Primary Piping

Near Appliance Piping

Fig. 11 : Near Appliance Primary

Piping with a Diaphragm

Type Expansion Tank

Fig. 11A : Near Appliance Primary

Piping with Closed -

Type Expansion Tank

Fig. 11B : Near Appliance Primary Piping

with Diaphragm - Type Expansion

Tank (Alternate Circulator Location)

1.	Appliance Circulator	4.	Auto fill valve	7.	Air Separator
2.	Shut Off valve	5.	Tank fitting	8.	Plug (by others)
3.	Expansion tank	6.	Automatic air vent

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Contents PG PLUS-25/30/35/40 Gas Fired Combination Heaters For Your SafetyTable of Contents Section V Primary Piping Section VI Vent / Combustion AIR InstallationSection IX External Wiring Section Viii Internal WiringSection VII GAS Piping Section X START-UP PreparationSection XII Temperature Limits Section XI START-UP ProceduresSection Xiii CHECK-OUT Procedures Section XIV Installation RecordProduct Specifications Section Xvii Replacement PartsProduct & Safety Information To Protect Against Excessive Temperature and Pressure Homeowner What to do if YOU Smell GASDo not try to light any appliance Operating Restrictions Boiler Replacement Pre-Installation Items Section I Pre-Installation ItemsCode Compliance Determining Product LocationResidential Garage Installations Pre-Installation ItemsVenting Combustion Air and Venting Section II Combustion AirCombustion Air and Venting Methods of Accessing Combustion Air Into a SpaceCombustion Air Requirements Air OpeningsEquipment Located in Confined Spaces One Permanent Air Inlet Outdoor Combustion AirVent System Combination of Indoor and Outdoor Combustion AirRemoval of an Existing Boiler f rom a Common Vent System Unit Preparation Section III Unit Preparation Hydrostatic Test ProceduresHandling Instructions Hydrostatic Pressure TestCompletion of Hydrostatic Test and Draining Unit PreparationDomestic Piping Section IV Domestic Piping Domestic Piping Mixing Valve Assembly Multiple Units InstallationTR/SMART Series Application Domestic Piping DiagramsPerformance Plus With Recirculation Performance Plus with Storage Tank Primary Piping Section V Primary Piping Closet Zero Clearance Applications Primary PipingSystem Piping Zone Circulators Sizing Primary PipingPersonal injury, death or substantial property damage System Piping Radiant Heating with Mixing ValvePrimary Piping Near Appliance Piping Primary piping Zoning with Circulators Primary Piping Low Temperature Radiant System Primary Piping General Requirements Venting and Combustion Air Installation Section VI VentingCategory IV Vent Termination Clearances Venting and Combustion Air InstallationVenting Option Non Direct Vent / Vertical Multiple Vent TerminationsLocating the Combustion Air Inlet Venting Option Non-Direct Vent / Horizontal Venting Option Direct Vent / VerticalHorizontal Wall Thimble Kit Venting Option Direct Vent / HorizontalDetermining Piping Lengths Excessive Horizontal Vent RunsVent Appliance Adapters Allowable Equivalent Length Combined Vent and Combustion Air Standard Horizontal Venting Installation Location of Air Inlet Termination Venting and Combustion Air Installation Recommended Gas Supply Piping Section VII Gas PipingNatural Gas Supply Pressure Requirements Natural GASPipe Sizing Natural Gas Propane Gas Supply Pressure Requirements Propane GASPipe Sizing Propane Gas Wiring must be N.E.C Class Internal Wiring Section Viii Internal WiringFactory Wiring Schematic Internal WiringFactory Internal Wiring Installation Compliance External Wiring Section IX External WiringOutdoor Temperature Limit Line Voltage ConnectionsMultiple Zone Field Wiring Using Zone Valves External WiringField wiring with zone circulators Typical Zone Relay Panel Wiring Performance Plus Section X Start Up PreparationFilling the Outer Primary Tank and System Check Low Water Cut-Off Device Check Thermostat Circuit Verify Correct Pressure SwitchAir Shutter Settings Final Checks Before Start-up Start-Up ProceduresPerformance Plus Start-up If Performance Plus Does Not Start CorrectlyFollowing instructions must be followed exactly, a fire or For Your Safety Read Before LightingOr loss of life Operating InstructionsNatural Gas Propane Recommended Secondary Thermostat Setting Temperature Limits Section XII Temperature LimitsTemperature Limits Section XIII- Check-Out Procedures Section XIV Installation Record Service Technician Section XV Maintenance ScheduleOwner Maintenance GeneralInspect the Burner Area Section XVI Maintenance ProceduresCheck the Surrounding Area Inspect Vent System and Combustion Air Piping Check Combustion/ Ventilation Air OpeningsCheck Domestic System Check Expansion TankCheck Ignition Wiring and Ground Wiring Check Temperature / Pressure Relief ValveCheck Control Wiring Check Thermostat Limit SettingsReview With Owner Check Burner Flame Flame SignalCheck Combustion Levels Section Xvii Replacement Parts Jacket Components Control Panel Components Electrical Panel Components Burner Components Specifications Graph 1 Performance Plus Pressure Loss Primary Side Maxi-flo Pool and Spa Heat Exchangers TTP Brazed Plate Heat Exchangers