Laars MAGNATHERM MGH2000 Installation And Operation Instructions For page 3

Section 9 - naVIGatInG the touch Screen
9.1 The Touch Screen ..........................................40
9.2 Using the Touch Screen ..................................40
9.3 Verification Process for Safety-Related
Parameters ...................................................... 42
9.4 While Operating - Checking Individual
Parameters ......................................................43
9.5 Configuring Parameters on Individual
Controllers ...................................................... 44
9.6 Setting the Date and Time on the
9.7 Configuration Menus (ALL) ..........................46
9.7.1 System Identification & Access ...................... 46
9.7.2 CH - Central Heat Configuration.................... 47
9.7.3 Outdoor Reset Configuration ......................... 47
9.7.4 DHW - Domestic Hot Water Configuration ...47
9.7.5 Warm Weather Shutdown Configuration ........47
9.7.6 Demand Priority Configuration ......................47
9.7.7 Modulation Configuration ..............................47
9.7.8 Pump Configuration .......................................47
9.7.9 Statistics Configuration ..................................48
9.7.10 High Limits ....................................................48
9.7.11 Stack Limits ....................................................48
9.7.12 Delta T Limits.................................................48
9.7.13 Frost Protection Configuration .......................48
9.7.14 Burner Control Ignition ..................................50
9.7.15 System Configuration .....................................50
9.7.16 Sensor Configuration ......................................50
9.7.17 Lead Lag Slave Configuration ........................ 50
9.7.18 Lead Lag Master Configuration .....................53
9.8 Parameter Defaults and Ranges ...................... 53
9.9 Connections to a
Building Automation System ......................... 57
9.10 Vari-Prime Flow Control System ...................58
9.11 Combustion Setup Procedure ......................... 59
Section 10 - InItIal Startup InStructIonS
10.1 Filling the Boiler System ................................ 62
10.2 Initial Operation ............................................. 63
10.2.1 Initial Burner Operation ................................. 63
10.2.2 Combustion Setup Procedure ......................... 63
10.3 Shutting Down the MagnaTherm ...................63
10.4 Restarting the MagnaTherm ...........................63
System Display......................45
LAARS Heating Systems
Section 11 - maIntenance
11.1 System Maintenance.......................................64
11.2 Maintenance Notes .........................................64
11.2.1 Burner ............................................................. 64
11.2.2 Modulating Gas Valve/ Venturi ......................64
11.2.3 Controllers ......................................................65
11.2.4 Hot Surface Ignitor .........................................65
11.2.5 Flame Sensor .................................................. 65
11.2.6 Blower ............................................................ 65
11.2.7 Heat Exchanger Tubes .................................... 65
11.2.8 Gas Pressure Switches (optional) ................... 66
11.2.9 Natural/Propane Gas Conversion ................... 66
Section 12 - troubleShootInG
12.1 About Lockouts, Holds, and Alerts ................67
12.1.1 Responding to a Lockout, Hold,
or Alert ............................................................67
12.1.2 Viewing the Lockout and Alert
Histories ......................................................... 67
12.2 Troubleshooting Table ...............................69-83
12.3 Diagnostic Tests and Input/Output
Indicators ........................................................83
12.4 Lead/Lag Slave Diagnostics ...........................84
12.5 Statistics .........................................................84
12.6 Analysis ..........................................................84
12.7 Control Snapshot ............................................ 85
12.8 Operating Sequence ........................................85
Section 13 - replacement partS
13.1 General Information .......................................86
13.2 Component Illustrations, Parts Lists,
and Part Numbers ......................................86-99
13.2.1 Frame and Jacket Assembly ........................... 87
13.2.2 Final Assembly ...............................................89
13.2.3 Waterway Outlet Assembly ............................ 90
13.2.4 Burner Assembly, Model 2000 ....................... 91
13.2.5 Burner Assembly, Model 3000 ....................... 92
13.2.6 Burner Assembly, Model 4000 ....................... 93
13.2.7 Gas Train Assembly, Models 2000 & 3000 ....95
13.2.8 Gas Train Assembly, Model 4000 ..................97
13.2.9 Control Panel Assembly .................................99
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