3
TABLE OF CONTENTS
1 - Important Information .................................... 5
2 - Introduction .................................................... 6
3 - Component Listing .......................................... 7
4 - Locating Boiler ................................................ 8
5 - Hydronic Piping ............................................. 11
5.2 Special Conditions .......................................11
5.3 Safety Relief Valve and Air Vent ....................12
5.4 Low Water Cutoff ......................................12
5.5 Trim Piping .................................................13
5.6 System Piping ............................................13
5.7 Heating System And Refrigeration .............. 14
6 - Combustion Air And Vent Piping .................... 21
6.2 Removal of Existing Boiler From Common Vent
System ...........................................................21
6.3 Approved Venting Materials ..........................22
6.4 Concentric Venting Instructions ....................23
6.5 Two Pipe Polypropylene System ....................26
6.6 Venting Configurations
.................................28
6.7 Side Venting Terminal Requirements of : ..... 32
6.8 Condensate Piping ......................................33
6.9 Multiple Boiler Venting - General ............... 36
6.10 Multiple Boiler Venting - Mounting ............ 36
6.11 Multiple Boiler Venting - Layout ................ 38
6.12 Multiple Boiler Venting - Parameter Setting 40
7 - Gas Supply Piping ......................................... 41
7.2 LP Conversion ............................................41
8 - Electrical Connections ................................... 43
8.2 Electric Knockouts .......................................43
8.3 Electrical Connections ..................................43
8.4 Access To Connection Block ..........................44
8.5 Main Supply Connection ...............................44
8.6 Shutdown Input ..........................................45
8.7 Release Input .............................................45
8.8 Optional Electrical Connections: ...................45
8.9 Outdoor Temperature Sensor ........................48
8.10 Central Heating Thermostat ........................48
8.11 DHW Indirect Water Heater ........................49
8.12 Frost Protection ........................................49
9 - Start Up Procedure ........................................ 52
9.1 Fill Condensate Trap with Water ....................52
9.2 Commission Setup (Water) ...........................52
9.3 Commission Setup (Gas) .............................53
9.4 Commission Setup (Electric) .........................53
9.5 Control Panel............................................. 54
9.6 Deaeration Function.....................................55
9.7 Commissioning ...........................................56
9.8 Before Gas Conversion ................................56
9.9 Gas Conversion (Propane) ............................56
9.10 Combustion Setup (High-Fire) .....................57
9.11 Combustion Setup (Low-Fire) .....................57
9.12 Operational Check .....................................57
9.13 User Level Parameters ...............................58
9.14 Installer Level Parameters ..........................58
9.15 Parameters Settings ..................................59
9.16 Reading Measured Values ..........................62
9.17 Status And Sub-Status ...............................63
9.18 Return To The Factory Settings ...................64
10 - Operating Instructions ................................ 65
10.1 Sequence Of Operation ..............................65
10.2 Operating Instructions ...............................65
10.3 To Turn Off Gas To Appliance ......................65
11 - General Maintenance And Cleaning ............. 66
12 - Ratings And Capacities ................................ 70
13 - Trouble Shooting ......................................... 71
13.1 Troubleshooting - Error Code Table ..............71
13.2 Shutdowns And Lock-Outs ..........................73
13.3 Error History ............................................76
13.4 Error History Readout ...............................76
13.5 Optional Sensors .......................................77
Troubleshooting Chart 1 ....................................78
Troubleshooting Chart 2 ....................................79
Troubleshooting Chart 3 ....................................80
Troubleshooting Chart 4 ....................................81
Troubleshooting Chart 5 ....................................82
Troubleshooting Chart 6 ....................................83
Troubleshooting Charts 7 & 8 .............................84
Troubleshooting Chart 9 ....................................85
Troubleshooting Chart 10 ..................................86
Troubleshooting Chart 11 ..................................87
Temperature - Resistance Chart .........................88
14 - Glossary ..... .................................................89
P/N 240011654, Rev. C [06/08/2017]
