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TABLE OF CONTENTS
1 - Important Information .................................... 5
2 - Introduction .................................................... 6
3 - Component Listing .......................................... 7
4 - Locating Boiler ................................................ 8
5 - Hydronic Piping ............................................. 10
5.1 General .....................................................10
5.2 Special Conditions .......................................10
5.3 Safety Relief Valve And Air Vent ....................11
......................................11
5.5 Trim Piping .................................................12
5.6 System Piping ............................................12
5.7 Heating System And Refrigeration .............. 13
5.8 Manifold Installation (Supplied) ....................13
6 - Combustion Air And Vent Piping .................... 19
.................................................20
6.4 Approved Venting Materials ..........................21
6.5 Coaxial .....................................................21
6.6 Twin Pipe Polypropylene And CPVC Systems......23
6.7 Twin Pipe Spring Clamp Instructions...............23
6.8 Venting Configurations.................................25
6.9 Side Venting Terminal Requirements .......... 29
6.10 Multiple Boiler Venting - General ...............32
6.11 Multiple Boiler Venting - Mounting ........... 32
6.12 Multiple Boiler Venting - Venting Layout .... 34
6.13 Multiple Boiler Venting - Parameter Setting . 36
6.14 Condensate Piping .....................................37
7 - Gas Supply Piping..........................................38
8 - Electrical Connections ................................... 40
8.1 General .....................................................40
8.2 Electric Knockouts .....................................40
8.3 Electrical Connections ..................................40
8.4 Access To Connection Block ..........................41
8.5 Main Supply Connection ...............................41
8.6 Shutdown Input ..........................................42
8.7 Release Input .............................................42
8.8 Optional Electrical Connections: ...................42
8.9 Outdoor Temperature Sensor ........................45
8.10 Central Heating Thermostat ........................45
8.11 DHW Indirect Water Heater ........................46
8.12 Frost Protection ........................................46
9 - Start Up Procedure ........................................ 49
9.1 Fill Condensate Trap With Water ....................49
9.2 Commission Setup (Water) ...........................49
9.3 Commission Setup (Gas) .............................50
9.4 Commission Setup (Electric) .........................50
9.5 Control Panel..............................................51
9.6 Deaeration Function ....................................52
9.7 Commissioning ...........................................53
9.8 Before Gas Conversion ................................53
9.9 Gas Conversion (Propane) ............................53
9.10 Combustion Setup (High-Fire) .....................54
9.11 Combustion Setup (Low-Fire) .....................54
9.12 Operational Check .....................................54
9.13 User Level Parameters ...............................55
9.14 Installer Level Parameters ..........................55
9.15 Parameters Settings ..................................56
9.16 Reading Measured Values ..........................59
9.17 Status And Sub-Status ...............................60
9.18 Return To The Factory Settings ...................61
10 - Operating Instructions ................................ 62
10.3 To Turn Off Gas To Appliance
11 - General Maintenance And Cleaning ............. 63
12 - Ratings And Capacities ................................ 67
13 - Trouble Shooting ......................................... 68
13.1 Troubleshooting ........................................68
13.2 Shutdowns and Lock-Outs.............................70
13.3 Error History ............................................73
13.4 Error History Readout ................................73
13.5 Optional Sensors .......................................74
Troubleshooting Chart 1 ....................................75
Troubleshooting Chart 2 ....................................76
Troubleshooting Chart 3 ....................................77
Troubleshooting Chart 4 ....................................78
Troubleshooting Chart 5 ....................................79
Troubleshooting Chart 6 ....................................80
Troubleshooting Chart 7 ....................................81
Troubleshooting Chart 8 ....................................81
Troubleshooting Chart 9 ....................................82
Troubleshooting Chart 10 ..................................83
Troubleshooting Chart 11 ..................................84
Temperature-Resistance Chart............................85
14 - Glossary ...................................................... 86
PN 240011662 Rev. H [04/30/2019]