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NY Thermal Inc. 30 Stonegate Drive, Saint John, NB E2H 0A4 Canada

Technical Assistance: 1-800-688-2575

Website: www.nythermal.com

Fax: 1-506-432-1135

Table of Contents

Table of Contents1
Hazard Symbols and Definitions1
General Installation Requirements3
User Responsibilities3
Introduction3
- Exhaust Vent / Air-Inlet Piping4
- High Altitude Operation6
Specifications6
- Alcove Installations7
- Boiler Area Ventilation Air Openings7
- Closet Installations7
Boiler Location7
- Closet Installation, Minimum Clearances8
- Wall Mounting Instructions9
- Direct Vent Installation (Best Practice)10
- Installation Using Indoor Combustion Air10
- Combustion Air-Inlet Contamination10
General Venting10
- PVC/CPVC Piping11
- Mandatory Pre-Commissioning Procedure for Plastic Venting11
- Near Boiler Vent/Air-Inlet Piping11
- Flammable Solvents and Plastic Piping11
- Gasket Identification and Pipe Insertion Depth12
- Proper Exhaust Vent Connection12
- Stainless Steel Piping12
- Near Boiler Venting (SS)13
- General Venting13
- Near Boiler Venting (Pps)13
- Near Boiler Venting (CPVC)13
- Near Boiler Venting (PVC)13
- Vent/Air-Inlet Pipe Material14
- Vent/Air-Inlet Pipe Length Determination14
- Termination Options – Direct Vent Installation15
- Optional Termination Kits – Direct Vent Installation15
- Sidewall Venting Options – Direct Vent Installation16
- Two-Pipe Termination (Sidewall)16
- Low Profile Termination (Sidewall)16
- Concentric Termination (Roof)17
- Two-Pipe Termination (Roof)17
- Two-Pipe Termination (Roof-Exhaust / Sidewall-Inlet)17
- Roof Venting Options – Direct Vent Installation17
- Sidewall Termination Details – Direct Vent Installation18
- IPEX Concentric Termination (Sidewall)18
- Roof Termination Details – Direct Vent Installation19
- Venting Rules and Guidelines20
- Venting below Grade21
- Outdoor Venting21
- Existing Chimney Chase Way21
- Termination Clearances Quick Reference Table22
Vent/Air-Inlet Termination Clearances22
- Termination Clearance Quick Reference Diagram23
- Sidewall Termination23
- Removing an Existing Boiler from Common Venting System24
- Steps to Removing an Existing Boiler24
- Condensate Trap Installation Instructions25
Condensate Drain25
- Condensate Drain Piping26
- Natural to LP Propane Conversion Kit27
Installing Gas Piping27
Gas Line Connection (Typical)28
Lighting the Boiler29
- Initial Start-Up30
- Re-Lighting Unit30
- Turning off the Boiler31
- Line Pressure and Combustion Parameters32
- Minimum and Maximum Modulation Rates32
- Gas Line Pressure32
Gas Valve and Burner Set-Up32
- Flue Gas Analysis and Adjustment33
- Throttle / Input Screw Adjustments33
- Combustion Calibration33
- Gas Valve and Venturi Assembly34
- Boiler System Preparation35
- Boiler Water35
- Oxygen Elimination35
Boiler and Heating System Piping35
- Installation of Optional LWCO36
- Anti-Freeze36
- Treatment36
- Near Boiler Plumbing (Central Heating)36
- Near Boiler Piping (Central Heating – CH)37
- Field Wiring37
- VM110P (Plus) Top38
- VM110P (Plus) Bottom38
- Boiler System Plumbing39
- Circulating Pumps (VM110)39
- Circulating Pumps (VM110P)39
- Circulating Pump Outputs39
- VM110 Head Loss Curve (Only Applicable for DHW Demands)40
- Expansion Tank40
- Indirect Fired Water Heater (IWH)40
- Air Removal40
- VM110 Plumbing Schematic – Single CH Pump41
- DHW Description of Operation46
- VM110P DHW Plumbing & Set-Up46
- Near Boiler DHW Piping (VM110P)46
Domestic Hot Water (Dhw) Piping46
- Thermostatic Mixing Valve47
- Safe Temperatures for Potable Water47
- Contributing Factors to Legionella47
- How Water Temperature Relates to Legionella and Scald Hazard48
- Legislation and Guidelines48
- Wiring Terminal Access49
Field Wiring49
- Max Load50
- Field Connections50
- Continuity50
- Labeling50
- VM110 Cascade Plumbing Schematic52
- Communication Wiring52
- Establish Managing Boiler52
Cascade Instructions52
Vmax Connection Diagram54
Wiring Schematics54
- Vmax Ladder-Logic Diagram55
- Instructions to Installing Contractor56
- Before Leaving56
- Operational Checklist56
Installation Checklist56
- Combustion Chamber Cleaning Procedure57
- Cleaning Checklist57
Annual Maintenance and Inspection57
- Refractory Ceramic Fibers (RFC)58
- Handling Instructions for Refractory Ceramic Fibers (RCF)58
- Main Screen59
- Initial Power-Up59
Display Menu Guide59
- Control Console – Main Screen60
- User Menu Navigation60
- Installer Menu62
- Installer Menu Navigation62
- Lockout & Error History65
- Lockout and Error History Navigation65
- Lockout and Error History Navigation (Submenu)65
- Blocking Errors66
- Lockout Navigation66
- Lockout and Error History Navigation (End)66
- Fill – Low Water Pressure67
- Blocking Error Navigation67
- Lockout and Error Code Descriptions67
- Controller Replacement Instructions70
- Appliance Selection Method70
- Appliance Selection70
- Display Normal but no DHW71
- Diagnosing an Inoperative Boiler71
- Servicing the Boiler71
Troubleshooting71
- Vmax Fuse Location73
- Thermistor Resistance Vs. Temperature73
- VM110P Heat Exchanger, Water Piping & Sensors74
Parts List74
- VM110 Heat Exchanger, Water Piping & Sensors75
- Vmax Gas Train75
- Vmax Cabinet & Controls (VM110P Illustrated)76
- Vmax Installation Kit Box77
- Parts List: Vmax Series77

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