NTI Trinity TX81 - Refractory Ceramic Fibers (RFC) Safety Precautions

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Wiring Schematics │ Tx I&O Manual

58

Figure 14-2 Tx Ladder-Logic Diagram

Table of Contents

Table of Contents1
Hazard Symbols and Definitions1
Safety Information2
General Installation Requirements3
Introduction3
- Exhaust Vent / Air-Inlet Piping4
- High Altitude Operation6
Specifications6
- Minimum Clearances for Installation and Service7
- Closet Installations7
- Boiler Area Ventilation Air Openings7
Boiler Location7
- Wall Mounting Instructions9
- Direct Vent Installation10
- Indoor Combustion Air - Opening Size and Location10
- Outdoor Combustion Air – Opening Size and Location10
General Venting10
- One Permanent Opening Method11
- Mandatory Pre-Commissioning Procedure for Plastic Venting12
- Corrosive Products and Contaminant Sources12
- Flammable Solvents and Plastic Piping12
- Combustion Air-Inlet Contamination12
- Near Boiler Vent/Air-Inlet Piping13
- PVC/CPVC Piping13
- Stainless Steel Piping13
- Gasket Seating13
- Near Boiler Vent Connections (PVC/CPVC)14
- Near Boiler Vent Connections (Pps – Polypropylene)14
- Near Boiler Vent Connections (SS – Stainless Steel)15
- Vent/Air-Inlet Pipe Material16
- Vent/Air-Inlet Pipe Length Determination16
- Termination Options – Direct Vent Installation17
- Sidewall Venting Options – Direct Vent Installation18
- Concentric Termination (Sidewall)18
- Two-Pipe Termination (Sidewall)18
- Low Profile Termination (Sidewall)18
- Two-Pipe Termination (Roof)19
- Two-Pipe Termination (Roof-Exhaust / Sidewall-Inlet)19
- Concentric Termination (Roof)19
- Roof Venting Options – Direct Vent Installation19
- Sidewall Termination Details – Direct Vent Installation20
- IPEX Concentric Termination (Sidewall)20
- Low Profile Termination (IPEX Illustrated)20
- Polypro / Innoflue Wall Termination20
- Roof Termination Details – Direct Vent Installation21
- IPEX Concentric Termination (Roof)21
- Polypro / Innoflue Roof Termination21
- Exhaust Only Roof Termination21
- Venting Rules and Guidelines22
- Venting below Grade23
- Outdoor Venting23
- Existing Chimney Chase Way23
Vent/Air-Inlet Termination Clearances24
- Termination Clearance Quick Reference Diagram25
- Sidewall Termination25
- Removing an Existing Boiler from Common Venting System26
- Condensate Trap Installation Instructions27
Condensate Drain27
- Condensate Drain Piping28
- Natural to LP Propane Conversion Kit29
Installing Gas Piping29
Gas Line Connection30
Lighting the Boiler31
- Initial Start-Up32
- Re-Lighting Unit32
- Turning off the Boiler33
- Line Pressure and Combustion Parameters34
- Minimum and Maximum Modulation Rates34
- Gas Line Pressure34
Gas Valve and Burner Set-Up34
- Throttle / Input Screw Adjustments35
- Combustion Calibration35
- Flue Gas Analysis and Adjustment35
- Gas Valve and Venturi Assembly36
- Boiler Water37
- Oxygen Elimination37
- Boiler System Cleansers and Corrosion Inhibitors37
Boiler and Heating System Piping37
- Low Water Cutoff (LWCO)38
- Pressure Relief Valve38
- Anti-Freeze38
- Near Boiler Plumbing (Central Heating)38
- Near Boiler Piping (Central Heating – CH)39
- Boiler System Plumbing40
- Circulating Pumps40
- Minimum Flow Rate Requirements40
- System Major Component Checklist40
- Circulator and Pipe Size Requirements41
- Head Loss Curves41
- Expansion Tank42
- Air Removal42
- Configurations Using Either Single or Multi System Circulators43
- Indirect Fired Water Heater43
- Primary-Secondary Plumbing (Non-Combi)44
- Single System Circulator Configuration44
- Multiple System Circulator Configuratio45
- Primary-Secondary Plumbing (Combi)46
Domestic Hot Water (Dhw) Piping - Tx151C & Tx200C (Combi)48
- Throttling Valve49
- DHW Filter49
- Near Boiler DHW Piping49
- Instantaneous DHW (Without Storage Tank)49
- DHW Limitations50
- Preheat Mode50
- Procedure for Setting up Domestic Hot Water50
- DHW Maximum Flow Rates50
- Tx-Combi W/ DHW Storage Tank51
- Fuse (120VAC)52
- Wiring Terminal Access52
- Wiring Connections52
Field Wiring52
- Field Connections53
- Field Wiring Diagram54
- Cascade Plumbing Schematic55
- Communication Wiring55
- Establish Managing Boiler55
Cascade Instructions55
- Outdoor Sensor56
- Boiler Address56
- System Sensor56
- Minimum Pipe Sizes for Multiple Boiler Applications56
- Tx Connection Diagram57
Wiring Schematics57
- Tx Ladder-Logic Diagram58
- Start-Up59
- Operational Checklist59
- Instructions to Installing Contractor59
Installation Checklist59
- Cleaning Checklist60
- Combustion Chamber Cleaning Procedure60
Annual Maintenance and Inspection60
- Refractory Ceramic Fibers (RFC)61
- Initial Power-Up62
- Main Screen62
- De-Air Sequence62
Display Menu Guide62
- Control Console – Main Screen63
- User Menu Navigation63
- Installer Menu Navigation65
- Lockout & Error History68
- Blocking Errors69
- Lockouts69
- Lockout and Error Code Descriptions70
- Fill – Low Water Pressure70
- Blocking Error Navigation70
- Controller Replacement Instructions73
- Appliance Selection Method73
- Servicing the Boiler74
- Diagnosing an Inoperative Boiler74
Troubleshooting74
- Display Normal but DHW Is Not Hot Enough75
- Tx Fuse Location76
- Thermistor Resistance Vs. Temperature76
- Tx Heat Engine and Gas Train77
- Gas Valve & Blower Assembly View77
Parts List77
- Tx200 Gas Valve & Blower Assembly View78
- Tx Cabinet View78
- Tx Controls View79
- Electrical Housing, Controller, and Display Module View79
- Tx Installation Kit Box View79

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