Laars MagnaTherm HTD Series Installation And Operation Instructions Manual page 3

HTD
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
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
8.E.11
8.E.12
8.F
8.F.1
8.F.2
8.G
SECTION 9 Parameter Tables ......................... 95
SECTION 10 Initial startup Instructions .......... 101
10.A
10.B
10.B.1
10.B.2
10.C
10.D
10.E
SECTION 11 Maintenance ............................. 106
11.A
11.B
11.B.1
11.B.2
11.B.3
11.B.4
11.B.5
11.B.6
11.B.7
.................. 82
11.B.8
11.B.9
SECTION 12 Troubleshooting ........................ 109
SECTION 13 Replacement Parts ................... 110
13.A
13.B
Part Numbers .......................................... 111 - 124
ii
Both Model. OEM only. ..................... 92
About About the Firmware version. .. 92
LMV .................................................... 92
Messages and USB............................ 93
Messages ........................................... 93
USB Functionality ............................... 93
Active Demands ................................. 94
Filling the Boiler System ................... 101
Initial Operation ................................ 102
Initial Burner Operation .................... 102
Combustion Setup Procedure .......... 103
Shutting Down the Unit..................... 104
Restarting the Unit............................ 104
Operation.......................................... 105
System Maintenance ....................... 106
Maintenance Notes .......................... 106
Burner............................................... 106
Modulating Gas Valve / Venturi ........ 106
Controller .......................................... 107
Spark Ignition Electrodes ................. 107
Flame Sensor ................................... 107
Blower Model 1600........................... 107
Blower Model 2000-4000 ................. 107
Heat Exchanger Tubes ..................... 108
Gas Pressure Switches .................... 108
General Information.......................... 110
Component Illustrations, Parts Lists, and