Delta Performance PG-25

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Replacements Parts

Item Part No. Description

R1 Relay - Controls

Burner Function

R2 Relay - Controls

Domestic Priority & Circulator

120 V-24 V 40VA

Transformer

PGRKIT18

12A

PGRKIT19

12B

PGRKIT 19

12A

12B

24V Circuit

120 V Circuit

Part No. Description

HMRLV01 Pressure Relief Valve 30 psi

P3AVT01 Air Vent

HMVLV07 Thermostatic Mixing valve 3/4"

HNSNP02 Snap sets Male / Female

HMTPV01 Temperature/Pressure Relief Valve (PG-30/35/40/45 only)

HMTPV03 Temperature/Pressure Relief Valve (PG-25 only)

Fig. 42: Electrical Panel Components

Main Page

Table of Contents3
Product and Safety Information8
- Definitions8
- Product Warnings9
- Operating Restrictions11
- Code Restrictions11
Section I - Pre-Installation Items12
- Code Compliance12
- Determining Product Location12
- Boiler Replacement12
- Recommended Clearances12
- Flooring and Foundation13
- Residential Garage Installations13
Section II - Combustion Air and Venting14
- Combustion Air Contamination14
- Combustion Air Requirements15
- Outside Combustion Air15
- Air Openings15
- Methods of Accessing Combustion Air into a Space15
- Vent System17
- Removal of an Existing Category I Appliance from a Common Vent System18
Section III - Unit Preparation19
- Handling Instructions19
- Hydrostatic Pressure Test19
Section IV - Domestic Piping21
- General Piping Requirements21
- Domestic Supply Pressure21
- Thermal Expansion21
- Water Hammer21
- Temperature / Pressure Relief Valve21
- Thermostatic Mixing Valve22
- U-Tube Assembly22
- Domestic Drain Valve23
- Multiple Units Installation23
- Storage Tank Application23
- Tr/Smart Series Application24
- Domestic Piping Diagrams24
- Domestic Piping25
Section V - Primary Piping27
- General Piping Requirements27
  - Low Water Cutoff Device27
  - Backflow Preventer27
- Primary System Piping Applications27
- Expansion Tank and Makeup Water27
  - Diaphragm (Bladder) Expansion Tank27
  - Closed-Type (Standard) Expansion Tank27
- Circulator28
- Closet (Zero Clearance) Applications28
- Sizing Primary Piping28
- System Piping - Zone Circulators28
- System Piping - Zone Valves28
- System Piping - Radiant Heating with Mixing Valves29
- System Piping - Multiple Units Installation29
- Primary Piping Diagrams29
- General Requirements - Category I34
- Masonry and Metal Chimneys34
- Type B Vent Systems34
- Vent Connectors35
- Common Venting - Category I35
- General Requirements - Category III36
- Category III Vent Termination - Guidelines36
- Category III Vent Termination Clearances36
- Multiple Vent Terminations38
- Locating the Combustion Air Inlet38
- Venting Option - Non-Direct Vent / Vertical38
- Venting Option - Direct Vent / Vertical38
- Venting Option - Non-Direct Vent / Horizontal39
- Venting Option - Direct Vent /Horizontal39
- Horizontal Wall Thimble Kit40
- Excessive Horizontal Vent Runs40
- Vent Appliance Adapters41
- Vent Condensate Drain41
- Condensate Drain Tube41
- Determining Piping Lengths41
- Venting Option Diagrams42
Section VII - Gas Piping46
- Gas Supply Piping Connection46
- Natural Gas47
  - Pipe Sizing -Natural Gas47
  - Natural Gas Supply Pressure Requirements47
- Propane Gas48
  - Pipe Sizing - Propane Gas48
  - Propane Gas Supply Pressure Requirements48
Section VIII - Internal Wiring49
- General Requirements49
- Internal Control Wiring Diagrams49
Section IX - External Wiring52
- Installation Compliance52
- Line Voltage Connections52
- Thermostat Wiring52
- Outdoor Temperature Limit52
- External Control Wiring Diagrams53
Section X - Start-Up Preparation56
- Check System and Domestic Water Chemistry56
- Flush Primary and Domestic System56
- Check and Test Antifreeze56
- Use of Antifreeze in the Primary System57
- Filling the Inner (Domestic) Tank and System57
- Filling the Outer (Primary) Tank and System57
- Check Low Water Cut-Off Device58
- Check for Gas Leaks58
- Verify Correct Pressure Switch59
- Verify Correct Air Shutter Setting59
- Check Thermostat Circuit59
Section XI - Start-Up Procedures60
- Final Checks before Start-Up60
- PERFORMANCE Start-Up60
- If PERFORMANCE Does Not Start Correctly60
- Check the PERFORMANCE and System60
- Start-Up / Operating Instructions61
Section XII - Temperature Limits63
- Setting Primary Thermostat Limit63
- Adjustment of Secondary Thermostat Limit63
- Setting the Thermostatic Mixing Valve64
SECTION XIII- Check-Out Procedures65
- Check-Out Procedures65
Section XIV - Installation Record66
- Installation Record66
Sections XV - Maintenance Schedule67
- Service Technician - General67
- Owner Maintenance67
Section XVI - Maintenance Procedures68
- Maintenance Procedures68
- Check Expansion Tank69
- Check Boiler Relief Valve70
- Check Temperature / Pressure Relief Valve70
- Inspection of Ignition Electrode70
- Check Ignition Wiring and Ground Wiring70
- Check Control Wiring70
- Check Thermostat Limit Settings70
- Perform Start-Up and Checkout Procedure70
- Check Burner Flame71
- Check Flame Signal71
- Check Combustion Levels71
- Review with Owner71
Section XVII - Replacement Parts72
Replacement Parts72
Specifications77
Specifications78

Delta Performance PG-25 - Page 75

Table of Contents