3
1 - Important Information .................................... 5
2 - Introduction .................................................... 7
3 - Component Listing .......................................... 8
4 - Locating Boiler...............................................10
5 - Hydronic Piping ............................................. 13
5.1 General .....................................................13
5.2 Special Conditions .......................................13
5.3 Safety Relief Valve and Air Vent ....................14
5.4 Low Water Cutoff .......................................14
5.5 Trim Piping .................................................15
5.6 System Piping ............................................15
5.7 Heating System And Refrigeration..................15
6 - Combustion Air And Vent Piping .................... 19
6.1 General......................................................19
6.2 Removal of Existing Boiler From Common Vent
System........................................................... 19
6.3 Definitions................................................. 20
6.4 Securing Twin Pipe Polypropylene Venting..
20
6.5 Approved Venting Materials...........................21
6.6 Vent Termination........................................21
6.7 Coaxial Venting ....................................... 22
6.8 Indoor Air For Combustion (380 ONLY)...........23
6.9 Twin Pipe Polypropylene and CPVC System......24
6.10 Venting Configurations............ ...................26
6.10 Side Venting Terminal Requirements.......... 30
6.11 Multiple Boiler Venting - General ............. 33
6.12 Multiple Boiler Venting - Mounting ............ 33
6.13 Multiple Boiler Venting - Layout ................ 35
6.14 Multiple Boiler Venting - Parameter Setting 37
6.15 Condensate Piping.....................................38
7 - Gas Supply Piping ......................................... 39
8 - Electrical Connections ................................... 41
9 - Start Up Procedure ........................................ 45
9.1 Central Heating Connections..........................45
9.2 System Startup...........................................46
9.3 Fill Condensate Trap with Water ....................46
9.4 Commission Setup (Electric)..........................47
9.5 Control Panel..............................................47
9.6 Commissioning Setup (Overview).....................48
9.7 De-aeration Function.....................................48
9.8 Commissioning ...........................................48
9.9 Before Gas Conversion ................................50
9.10 Gas Conversion (Propane) ..........................50
9.11 Gas Valve Calibration and CO
2
Chimney Sweep Function (CO2 Adjust) ..... 52
9.13 Check Firing Rate ......................................52
9.14 Parameters Settings ..................................53
10 - Operating Instructions................................ 54
10.1 Sequence Of Operation...............................54
10.2 Test For Gas Leaks and Purge .....................57
10.3 Boiler Controls ..........................................55
10.3.1 Boiler Operating Mode ........................56
10.3.2 Reset ................................................56
10.3.3 Control Function.................................56
10.3.4 Info Menu (User/Service).....................57
10.3.5 Parameter Setting Menu.......................58
10.3.6 Description Of Parameters....................58
10.3.7 Command Functions (Service).............62
10.4 Boiler Operation ........................................62
10.5 Central Heating Mode ................................62
10.6 Frost Protection ........................................62
10.7 Pump ......................................................62
10.8 Low Water Pressure Sensor (Internal) ...... 62
11 - General Maintenance And Cleaning ............. 63
11.1 Beginning of Each Heating Season ...............63
11.2 Maintenance And Routine Servicing .............64
11.3 Component Replacement And Cleaning ........64
11.4 Draining the Boiler ....................................65
11.5 Draining the Heating Circuit ........................65
11.6 Final Commissioning ..................................65
11.7 Final Assembly..........................................65
11.8 Replacement Parts ....................................65
11.9 User Information.......................................66
11.10 Safety Flue Thermostat.............................66
11.11 Gasket Kit..............................................66
12 - Ratings And Capacities ................................ 67
13 - Trouble Shooting ......................................... 68
13.1 Initial Fault Findings ..................................68
13.2 Diagnostic Errors ......................................69
13.3 Error Table for Installer ..............................70
13.4 Error Codes ..............................................71
13.5 Errors In Fault History ...............................73
13.6 Optional Equipment ...................................74
14 - Glossary ..... .................................................76
Appendix A - Wiring Diagrams ............................ 78
PN 240012369, REV A [08/31/2018]
TABLE OF CONTENTS
Содержание GMHB227
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