MagnaTherm HTD
HTD
ii
Section 8 (continued)
8.D
Configuration
...................................... 67
8.D.1 CH
..................................................... 68
8.D.1.a CH1 .................................................... 68
8.D.1.a.1 Enable/Disable ................................... 68
8.D.1.a.2 Set Point ............................................. 68
8.D.1.a.3 PID Parameters .................................. 69
8.D.1.b CH2-DHW1-DHW2 ............................. 69
8.D.2 DHW/DHW3
...................................... 69
8.D.3
Outdoor Reset ................................... 70
8.D.4 Cascade
............................................ 71
8.D.4.a Cascade CH ..................................... 72
8.D.4.a.1 Cascade CH Lead Settings ................ 73
8.D.4.b Cascade DHW .................................... 73
8.D.4.c Rotation
............................................. 73
8.D.4.d Redundancy ....................................... 74
8.D.5
Hybrid ............................................... 74
8.D.6 Pumps
............................................... 75
8.D.6.a DHW Recirculation ............................. 76
8.D.6.b VARI-PRIME ....................................... 76
8.D.7
Manual Firing Rate ............................ 77
8.D.8
Temp Limits ....................................... 77
8.D.8.a Delta T Parameters ............................ 78
8.D.8.b Flue Limitation Parameters ................ 78
8.D.8.c Outlet Limitation Parameters .............. 78
8.D.9 External
............................................. 79
8.D.9.a External – Remote Set Point .............. 80
8.D.9.b External Firing Rate............................ 81
8.D.10 Time & Date ...................................... 81
8.D.11 Miscellaneous Features .................. 82
8.D.11.a Demand Priority ................................ 83
8.D.11.b Anti-Short Cycle ................................ 83
8.D.11.c Warm Weather ................................. 84
8.D.11.d COM Port, BMS ................................. 85
8.D.11.e Temperature Conversion ................... 86
8.D.11.f Anti-Frost
........................................... 86
8.D.11.g Trim (Enable / Disable) ..................... 87
8.D.12 Login
.................................................. 87
8.E
Service Screens ................................. 88
8.E.1 Burner................................................. 88
8.E.2
Digital I/O ( Input / Output ) ............... 89
8.E.3
Analog I/O .......................................... 90
8.E.4
Screen Settings Timeout .................... 91
8.E.5 History ................................................ 91
8.E.6
Restart Touchscreen & Recalibrate .... 92
8.E.7
Factory Reset ..................................... 92
8.E.8
HMI Model OEM only. ....................... 92
8.E.9
BIC Model OEM only ......................... 92
8.E.10 Both Model. OEM only. ..................... 92
8.E.11
About About the Firmware version. .. 92
8.E.12 LMV .................................................... 92
8.F
Messages and USB............................ 93
8.F.1 Messages ........................................... 93
8.F.2
USB Functionality ............................... 93
8.G
Active Demands ................................. 94
SECTION 9 Parameter Tables ......................... 95
SECTION 10 Initial startup Instructions .......... 101
10.A
Filling the Boiler System ................... 101
10.B
Initial Operation ................................ 102
10.B.1 Initial Burner Operation .................... 102
10.B.2 Combustion Setup Procedure .......... 103
10.C
Shutting Down the Unit..................... 104
10.D
Restarting the Unit............................ 104
10.E Operation.......................................... 105
SECTION 11 Maintenance ............................. 106
11.A
System Maintenance ....................... 106
11.B
Maintenance Notes .......................... 106
11.B.1 Burner............................................... 106
11.B.2
Modulating Gas Valve / Venturi ........ 106
11.B.3 Controller .......................................... 107
11.B.4
Spark Ignition Electrodes ................. 107
11.B.5
Flame Sensor ................................... 107
11.B.6
Blower Model 1600........................... 107
11.B.7
Blower Model 2000-4000 ................. 107
11.B.8
Heat Exchanger Tubes ..................... 108
11.B.9
Gas Pressure Switches .................... 108
SECTION 12 Troubleshooting ........................ 109
SECTION 13 Replacement Parts ................... 110
13.A
General Information.......................... 110
13.B
Component Illustrations, Parts Lists, and
Part Numbers .......................................... 111 - 124
