External Wiring | Delta PG PLUS-25 manual

External Wiring

4 Wire Zone Valve

3 Wire Zone Valve

*Use isolation relay on 3-wire zone valve with non-isolated end switch. Transformer and the PERFORMANCE PLUS control can burn out if isolation relay is not used.

Fig. 33: Multiple Zone Field Wiring Using Zone Valves

44

Image 50

Delta PG PLUS-25 warranty External Wiring, Multiple Zone Field Wiring Using Zone Valves

Contents

For Your Safety PG PLUS-25/30/35/40 Gas Fired Combination Heaters Table of Contents Section VI Vent / Combustion AIR Installation Section V Primary Piping Section VII GAS Piping Section Viii Internal WiringSection IX External Wiring Section X START-UP Preparation Section Xiii CHECK-OUT Procedures Section XI START-UP ProceduresSection XII Temperature Limits Section XIV Installation Record Section Xvii Replacement Parts Product Specifications Product & 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 Code Compliance Pre-Installation Items Section I Pre-Installation ItemsBoiler Replacement Determining Product Location Pre-Installation Items Residential Garage Installations Combustion Air and Venting Section II Combustion Air Venting Combustion Air Requirements Methods of Accessing Combustion Air Into a SpaceCombustion Air and Venting Air Openings Outdoor Combustion Air Equipment Located in Confined Spaces One Permanent Air Inlet Combination of Indoor and Outdoor Combustion Air Vent System Removal of an Existing Boiler f rom a Common Vent System Handling Instructions Hydrostatic Test ProceduresUnit Preparation Section III Unit Preparation Hydrostatic Pressure Test Unit Preparation Completion of Hydrostatic Test and Draining Domestic Piping Section IV Domestic Piping Domestic Piping Multiple Units Installation Mixing Valve Assembly Domestic Piping Diagrams TR/SMART Series Application Performance Plus With Recirculation Performance Plus with Storage Tank Primary Piping Section V Primary Piping System Piping Zone Circulators Primary PipingCloset Zero Clearance Applications Sizing Primary Piping System Piping Radiant Heating with Mixing Valve Personal injury, death or substantial property damage Primary Piping Near Appliance Piping Primary piping Zoning with Circulators Primary Piping Low Temperature Radiant System Primary Piping Venting and Combustion Air Installation Section VI Venting General Requirements Venting and Combustion Air Installation Category IV Vent Termination Clearances Venting Option Non Direct Vent / Vertical Multiple Vent TerminationsLocating the Combustion Air Inlet Venting Option Direct Vent / Vertical Venting Option Non-Direct Vent / Horizontal Venting Option Direct Vent / Horizontal Horizontal Wall Thimble Kit Determining 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 Section VII Gas Piping Recommended Gas Supply Piping Natural Gas Supply Pressure Requirements Natural GASPipe Sizing Natural Gas Propane Gas Supply Pressure Requirements Propane GASPipe Sizing Propane Gas Internal Wiring Section Viii Internal Wiring Wiring must be N.E.C Class Internal Wiring Factory Wiring Schematic Factory Internal Wiring Outdoor Temperature Limit External Wiring Section IX External WiringInstallation Compliance Line Voltage Connections External Wiring Multiple Zone Field Wiring Using Zone Valves Field wiring with zone circulators Typical Zone Relay Panel Wiring Section X Start Up Preparation Performance Plus Filling the Outer Primary Tank and System Check Low Water Cut-Off Device Check Thermostat Circuit Verify Correct Pressure SwitchAir Shutter Settings Performance Plus Start-up Start-Up ProceduresFinal Checks Before Start-up If Performance Plus Does Not Start Correctly Or loss of life For Your Safety Read Before LightingFollowing instructions must be followed exactly, a fire or Operating Instructions Natural Gas Propane Temperature Limits Section XII Temperature Limits Recommended Secondary Thermostat Setting Temperature Limits Section XIII- Check-Out Procedures Section XIV Installation Record Owner Maintenance Section XV Maintenance ScheduleService Technician General Inspect the Burner Area Section XVI Maintenance ProceduresCheck the Surrounding Area Check Domestic System Check Combustion/ Ventilation Air OpeningsInspect Vent System and Combustion Air Piping Check Expansion Tank Check Control Wiring Check Temperature / Pressure Relief ValveCheck Ignition Wiring and Ground Wiring Check Thermostat Limit Settings Review 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 TTP Brazed Plate Heat Exchangers Maxi-flo Pool and Spa Heat Exchangers