LAARS NeoTherm LC NTV1700 - Install and Operating Manual - Manual (Page 2)

NeoTherm LC Boilers and Water Heaters
Section 1
General InformatIon ....................................... 1
1.1 Introduction ............................................... 1
1.2
about the touch Screen ........................... 1
1.3 Safety notes ............................................. 3
1.4 Model Identification / Nomenclature ......... 3
1.5 Warranty ................................................... 4
1.6
appliance overview .................................. 4
1.7 Dimensions ............................................... 6
1.8 Unpacking ................................................. 6
Section 2
locatInG the applIance .................................. 8
2.1
locating the appliance ............................. 8
2.2 correct Vent Distance
from Outside Wall or Roof Termination ..... 8
Section 3
VentInG anD combUStIon aIr ......................... 9
3.1
Combustion Air ......................................... 9
3.1.1 Combustion Air From Room ..................... 9
3.1.2 Ducted Combustion Air ........................... 10
3.2 Venting .....................................................11
3.2.1 Common Venting .....................................11
3.2.3 Venting Requirements Unique to Canada 11
3.3
Locating the Vent and Combustion Air
Terminals ................................................ 12
3.3.1 Side Wall Vent Terminal .......................... 12
3.3.2 Side Wall Combustion Air Terminal ......... 14
3.3.3 Vertical Vent Terminal ............................. 15
3.3.4 Vertical Combustion Air Terminal ............ 15
3.3.5 Installations in the Commonwealth of
massachusetts ........................................ 15
3.4 Common Vent Test ................................. 15
3.5 outdoor Installation ................................ 16
3.6 condensate trap .................................... 16
Section 4
GaS SUpply anD pIpInG ................................... 17
4.1
Gas Supply and piping ........................... 17
Distance & pipe Size, tables .................. 18
Section 5
pUmp reqUIrementS ....................................... 19
5.1
NeoTherm LC Boiler Flow and Head
Requirements ......................................... 20
5.2 NeoTherm LC Water Heater Flow and ......
Head Requirements ................................ 19
Section 6
Water connectIonS ....................................... 20
Section 6a - nth Systems ..................................... 20
6A.1
NTH System Piping: Hot Supply
connections ............................................ 20
6a.2 nth cold Water make-Up ...................... 20
6a.3 nth freeze protection ........................... 21
6A.4 NTH Suggested Piping Schematics ....... 21
6a.5 condensate trap .................................... 21
Section 6b - ntV Systems ..................................... 27
6b.1
ntV Water quality .................................. 27
6B.2 NTV Piping Requirements ...................... 27
6b.3 ntV cold Water make-Up ...................... 28
6b.4 ntV freeze protection ........................... 28
6B.5 NTV Suggested Piping Schematics ........ 28
6B.6 NTV Suggested Pumps .......................... 29
6b.7 condensate trap .................................... 29
Section 7
electrIcal connectIonS .............................. 30
7.1
main power ............................................. 30
7.2 Pump Connections ................................. 30
7.3 24 VAC Transformer with Integral
circuit breaker ........................................ 32
7.4 Signal connections ................................. 32
7.5 optional field connections .................... 32
7.6 Ladder Diagrams .................................... 33
Wiring Diagrams ..................................... 34
Section 8
USInG the toUch Screen anD GaUGeS...... 36
8.1
the touch Screen and Gauges on the front
of the NeoTherm LC ............................... 36
8.2 Using the touch Screen .......................... 36
8.3 While Operating – Checking Lead/Lag
Operating Information ............................. 38
8.4 Checking Lead/Lag Master ..................... 38
8.5 While operating - checking Individual
Parameters ............................................. 39
8.6 checking Individual Details .................... 40
8.7 Configuring Parameters on Individual
controllers .............................................. 40
8.8 Verification Process for Safety-Related
Parameters ............................................. 41
Table of Contents
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