Table of Contents
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1 - Important Information .................................... 5
2 - Introduction .................................................... 6
3 - Component Listing .......................................... 7
4 - Locating Boiler ................................................ 8
5 - Hydronic Piping ............................................. 11
5.1 General .....................................................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 .................13
5.8 Manifold Installation (Supplied) ....................13
6 - Combustion Air And Vent Piping .................... 19
6.1 General .....................................................19
System ...........................................................19
6.3 Definitions .................................................20
6.4 Approved Venting Materials ..........................21
6.5 Coaxial .....................................................22
6.7 Venting Configurations.................................25
6.8 Side Venting Terminal Requirements ...........
6.9 Multiple Boiler Venting - General ..............
6.10 Multiple Boiler Venting - Mounting ... .......... 32
6.11 Multiple Boiler Venting - Layout ................
6.13 Condensate Piping .....................................37
7 - Gas Supply Piping ..........................................38
7.1 General .....................................................38
7.2 LP Conversion ............................................38
7.3 Leak Check Gas Piping .................................39
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
TABLE OF CONTENTS
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: ...............
10 - Operating Instructions ................................ 62
10.1 Sequence Of Operation ..............................62
23
10.2 Operating Instructions ...............................62
10.3 To Turn Off Gas To Appliance ......................62
29
11 - General Maintenance And Cleaning ............. 63
32
12 - Ratings And Capacities ................................ 67
13 - Trouble Shooting ......................................... 68
35
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
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P/N 240011656, Rev. E [07/30/2018]
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Table of Contents
Troubleshooting
