LAARS Heating Systems
Section 1 - General Information ........................................ 1
1.1 Introduction ...................................................... 1
1.2
About the NeoTherm Control System .............. 1
1.3
Safety Notes ..................................................... 3
1.4
Model Identification
......................................... 3
1.5
Unit Overview .................................................. 3
1.6 Warranty ........................................................... 4
1.7 Dimensions ....................................................... 5
1.8 Unpacking ........................................................ 5
Section 2 - Locating the Unit ............................................. 6
2.1
Locating the Unit .............................................. 6
2.2
Locating Unit for Correct Vent Distance
from Outside Wall or Roof Termination ........... 6
Section 3 - Venting and Combustion Air ........................... 7
3.1
Combustion Air ................................................ 7
3.1.1
Combustion Air From Room ............................ 7
3.1.2 Ducted
Combustion
Air .................................... 8
3.2 Venting ............................................................. 9
3.2.1 Common
Venting .............................................. 9
3.2.2 Condensate
Drain
Trap ..................................... 9
3.2.3
Venting Requirements Unique to Canada ...... 10
3.3
Locating the Vent and Combustion Air
Terminals ........................................................ 10
3.3.1
Side Wall Vent Terminal ................................. 10
3.3.2
Side Wall Combustion Air Terminal .............. 12
3.3.3
Vertical Vent Terminal .................................... 13
3.3.4 Vertical
Combustion
Air
Terminal.................. 13
3.3.5
Installations in the Commonwealth of
Massachusetts ................................................. 13
3.4
Common Vent Test ......................................... 13
Section 4 - Gas Supply and Piping .................................. 15
4.1
Gas Supply and Piping ................................... 15
Section 5 - Pump Requirements ....................................... 17
5.1
NeoTherm Boiler Flow and Head
Requirements .................................................. 17
5.2
NeoTherm Water Heater Flow and Head
Requirements .................................................. 17
Section 6 – Water Connections ........................................ 18
Section 6A - NTH Units ................................................... 18
6A.1
NTH System Piping: Hot Supply
Connections .................................................... 18
6A.2
NTH Cold Water Make-Up ............................ 18
6A.3
NTH Freeze Protection ................................... 18
6A.4
NTH Suggested Piping Schematics ................ 19
Section 6B - NTV Units ................................................... 25
6B.1
NTV Water Quality ........................................ 25
6B.2
NTV Piping Requirements ............................. 25
6B.3
NTV Cold Water Make-Up ............................ 26
6B.4
NTV Freeze Protection ................................... 26
6B.5
NTV Suggested Piping Schematics ................ 26
6B.6
NTV Suggested Pumps .................................. 26
Section 7 - Electrical Connections ................................... 28
7.1
Main Power .................................................... 28
7.2
Pump Connections .......................................... 28
7.3
24 VAC Transformer with Integral
Circuit Breaker ............................................... 30
7.4
Signal Connections ......................................... 30
7.5
Optional Field Connections ............................ 30
7.6
Ladder and Wiring Diagrams ......................... 30
Section 8 – Using the Controls
on the NeoTherm 1000 ................................... 34
8.1
Controls and Indicators on the Front
of the Unit ....................................................... 34
8.2
Using the Operator Interface .......................... 34
8.3
While Operating – Checking Lead/Lag
Operating Information .................................... 36
8.4
Checking Lead/Lag Details ............................ 37
8.5
While Operating - Checking Individual
Parameters ...................................................... 37
8.6
Checking Individual Details ........................... 38
8.7
Configuring Parameters on Individual
Controllers ...................................................... 39
8.8
Verification Process for Safety-Related
Parameters ...................................................... 41
8.9
Cleaning the Touchscreen............................... 43
Table of Contents
i
Summary of Contents for NTV1000
Page 2: ......
Page 35: ...NeoTherm Boilers and Water Heaters Page 31 Fig 20 Ladder Diagram...
Page 36: ...LAARS Heating Systems Page 32 Fig 21 Wiring Diagram...
Page 37: ...NeoTherm Boilers and Water Heaters Page 33...
Page 51: ...NeoTherm Boilers and Water Heaters Page 47 Fig 52 Connection Terminals...
Page 130: ...LAARS Heating Systems Page 126 Fig 140 Machine Frame and Rear Panel 13 3 PARTS ILLUSTRATIONS...
Page 131: ...NeoTherm Boilers and Water Heaters Page 127 Fig 141 Front Panel and Covers...
Page 132: ...LAARS Heating Systems Page 128 Fig 142 Burners and Combustion Chambers...
Page 134: ...LAARS Heating Systems Page 130 Fig 145 Electronic Components...
Page 135: ...NeoTherm Boilers and Water Heaters Page 131 Fig 146 Condensate Trap Fig 147 Control Bezel...
Page 136: ...LAARS Heating Systems Page 132 Fig 148 Flow Switch...
Page 137: ...NeoTherm Boilers and Water Heaters Page 133 This page intentionally left blank...
