ii
N
EO
T
HERM
Commercial Boilers and Water Heaters
SECTION 11
TROUBLESHOOTING
11.A About Lockouts, Holds, and Alerts ...................
84
11.A.1 Responding to a Lockout, Hold, or Alert ......
84
11.A.2 Viewing the Lockout and Alert Histories .......
84
11.B Troubleshooting Table ...............................86 - 94
11.C Diagnostic Tests and Input/Output Indicators ..
94
11.D Lead Lag Follower Diagnostics ........................
95
11.E Statistics ...........................................................
95
11.F Analysis ............................................................
95
11.G Control Snapshot .............................................
95
11.H Operating Sequence ........................................
96
SECTION 12
REPLACEMENT PARTS
12.A General Information .......................................
96
12.B Parts List ...................................................96-99
12.C Parts Illustrations ....................................99-106
SECTION 8
USING THE TOUCH SCREEN
8.A
The Touch Screen ..........................................
53
8.B
Using the Touch Screen .................................
53
8.C
Login (required for some parameters) ............
54
8.D
Verification Process for
Safety-Related Parameters ............................
55
8.E
Checking Individual Parameters .....................
56
8.F
Setting the Date and Time ..............................
57
8.G The Configuration Menu
...................... 58
8.G.1 System Identification & Access .......................
59
8.G.2 Heat Configuration ..........................................
59
8.G.2.a CH - Central Heat Configuration ...................
59
8.G.2.b Setting Up 4-20 mA Setpoint ........................
59
8.G.3 Outdoor Reset Configuration ..........................
60
8.G.4 DHW - Domestic Hot Water Config ................
60
8.G.5 Warm Weather Shutdown Config ...................
60
8.G.6 Demand Priority Configuration .......................
61
8.G.7 Modulation Configuration ................................
61
8.G.8 Pump Connections .........................................
61
8.G.9 Statistics Configuration ...................................
62
8.G.10 High Limits ......................................................
62
8.G.11 Stack Limits ....................................................
62
8.G.12 Anti-Condensation Configuration ...................
62
8.G.13 Frost Protection ..............................................
62
8.G.14 System Configuration .....................................
62
8.G.15 Fan Configuration ...........................................
63
8.G.16 Sensor Configuration ......................................
63
8.G.17 Lead Lag Follower Configuration ....................
64
8.G.18 Lead Lag Leader Configuration ......................
66
8.G.18.a About Lead Lag Operation ........................
69
8.H
Configure for a
Building Automation System
...........................
71
8.I
Combustion Setup ..........................................
72
8.J
Adjusting CO
2
................................................
74
SECTION 9
FIRST START UP AND ADJUSTMENT
9.A
Filling the Boiler System .................................
77
9.B
First Operation ................................................
78
9.C
Shutting Down the Unit ...................................
78
9.D
Restarting the Unit ..........................................
78
SECTION 10
MAINTENANCE
10.A System Maintenance .....................................
79
10.B Appliance Maintenance
and Component Description ...........................
79
10.C Battery Backup for Date & Time .....................
82
10.D Gas Conversion ..............................................
83
Summary of Contents for Neotherm NTH
Page 4: ...LAARS Heating Systems...
Page 36: ...Page 36 Figure 22 Hydronic Piping Single Boiler Zoning with Circulators LAARS Heating Systems...
Page 52: ...Page 52 Figure 36 Ladder Diagram 7 H Ladder Diagram LAARS Heating Systems...
Page 100: ...Page 100 Parts Illustration 4 Internal Components Sizes 750 850 LAARS Heating Systems...
Page 102: ...Page 102 Parts Illustration 6 Gas Train Components Sizes 600 850 LAARS Heating Systems...
