Lochinvar NKB80N Manuals

Manuals and User Guides for Lochinvar NKB80N. We have 3 Lochinvar NKB80N manuals available for free PDF download: Installation & Service Manual

Lochinvar NKB80N Installation & Service Manual

Lochinvar NKB80N Installation & Service Manual (100 pages)

Fire Tube Boiler and Combi

Brand: Lochinvar | Category: Boiler | Size: 20 MB

Table of Contents

Table of Contents
2
Hazard Definitions
2
Please Read before Proceeding
3
The Noble Fire Tube - How It Works
4
Ratings
6
Determine Boiler Location
7
Provide Clearances
7
Provide Air Openings to Room
9
Wall Mounting Location
9
Flooring and Foundation
9
Residential Garage Installation
9
Vent and Air Piping
9
Prevent Combustion Air Contamination
10
Corrosive Contaminants and Sources
10
Using an Existing Vent System to Install a New Boiler
11
Removing a Boiler from Existing Common Vent
11
Prepare Boiler
12
Remove Boiler from Wood Pallet
12
Gas Conversions
12
Mounting the Boiler
13
Leveling the Boiler
13
General Venting
14
Install Vent and Combustion Air Piping
15
Sizing
16
Max. Allowable Vent Piping Lengths
16
Materials
16
Optional Room Air
17
Pvc/Cpvc
18
Polypropylene
19
Stainless Steel Vent
20
SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall
21
Determine Location
21
Prepare Wall Penetrations
23
Multiple Vent/Air Terminations
23
Sidewall Termination - Optional Concentric Vent
24
VERTICAL DIRECT VENTING Vent/Air Termination - Vertical
27
Determine Location
27
Prepare Roof Penetrations
28
Multiple Vent/Air Terminations
28
Vertical Termination - Optional Concentric Vent
29
Alternate Vertical Concentric Venting
31
Hydronic Piping
33
System Water Piping Methods
33
Low Water Cutoff Device
33
Chilled Water System
33
Freeze Protection Fluids
33
General Piping Information
33
Near Boiler Piping Components
34
Hydronic Piping Diagrams
34
Domestic Water Piping
45
Scalding
45
Water Chemistry
45
Near Heater Piping Components
45
DHW Pressure Drop Chart
46
Combi Sequence of Operation
46
Domestic Water Piping Diagrams
47
GAS CONNECTIONS Connecting Gas Supply Piping
51
Natural Gas
52
Pipe Sizing for Natural Gas
52
Natural Gas Supply Pressure Requirements
52
Propane Gas
52
Pipe Sizing for Propane Gas
52
Propane Supply Pressure Requirements
52
Check Inlet Gas Supply
53
Gas Pressure
54
Gas Valve Replacement
54
Field Wiring
55
Line Voltage Connections
55
Low Voltage Connections
55
CONDENSATE DISPOSAL Condensate Drain
59
Startup
60
Operating Information
69
General
69
Menus
69
Control Inputs and Outputs
70
Cascade
73
Protection Features
73
Sequence of Operation
75
MAINTENANCE Maintenance and Annual Startup
77
Troubleshooting
83
Diagrams
96
Ladder Diagram (Standard)_Combi Only
96
Wiring Diagram (Standard)_Combi Only
97
Ladder Diagram (Standard)_Boiler Only
98
Wiring Diagram (Standard)_Boiler Only
99

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Lochinvar NKB80N Installation & Service Manual

Lochinvar NKB80N Installation & Service Manual (100 pages)

Fire Tube Boiler and Combi

Brand: Lochinvar | Category: Boiler | Size: 18 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Noble Fire Tube - How It Works

4
Ratings

6
1 Determine Boiler Location

7
2 Prepare Boiler

12
- Remove Boiler from Wood Pallet
  12
- Gas Conversions
  12
- Mounting the Boiler
  13
3 General Venting

14
- Install Vent and Combustion Air Piping
  15
- Sizing
  16
- Max. Allowable Vent Piping Lengths
  16
- Materials
  16
- Optional Room Air
  17
- Pvc/Cpvc
  18
- Polypropylene
  19
- Stainless Steel Vent
  20
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

21
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

27
Hydronic Piping

33
- System Water Piping Methods
  33
- Low Water Cutoff Device
  33
- Chilled Water System
  33
- Freeze Protection
  33
- General Piping Information
  33
- Near Boiler Piping Components
  34
- Hydronic Piping Diagrams
  34
Domestic Water Piping

45
- Scalding
  45
- Water Chemistry
  45
- Near Heater Piping Components
  45
- DHW Pressure Drop Chart
  46
- Combi Sequence of Operation
  46
- Domestic Water Piping Diagrams
  47
7 GAS CONNECTIONS Connecting Gas Supply Piping

50
- Natural Gas
  51
  - Pipe Sizing for Natural Gas
    51
  - Natural Gas Supply Pressure Requirements
    51
- Propane Gas
  51
  - Pipe Sizing for Propane Gas
    51
- Propane Supply Pressure Requirements
  51
- Check Inlet Gas Supply
  52
- Gas Pressure
  53
- Gas Valve Replacement
  53
8 Field Wiring

54
- Line Voltage Connections
  54
- Low Voltage Connections
  54
9 CONDENSATE DISPOSAL Condensate Drain

58
10 Startup

59
11 Operating Information

68
- General
  68
- Menus
  68
- Control Inputs and Outputs
  69
- Cascade
  72
- Protection Features
  72
- Sequence of Operation
  74
12 MAINTENANCE Maintenance and Annual Startup

76
13 Troubleshooting

82
14 Diagrams

95

Lochinvar NKB80N Installation & Service Manual

Lochinvar NKB80N Installation & Service Manual (100 pages)

Brand: Lochinvar | Category: Boiler | Size: 15 MB

Table of Contents

Table of Contents
2
Hazard Definitions
2
Please Read before Proceeding
3
The Noble Fire Tube - How It Works
4
Ratings
6
Determine Boiler Location
7
Provide Clearances
7
Provide Air Openings to Room
9
Wall Mounting Location
9
Residential Garage Installation
9
Vent and Air Piping
9
Prevent Combustion Air Contamination
9
Corrosive Contaminants and Sources
10
Using an Existing Vent System to Install a New Boiler
10
Removing a Boiler from Existing Common Vent
11
Prepare Boiler
12
Remove Boiler from Wood Pallet
12
Gas Conversions
12
Mounting the Boiler
13
General Venting
14
Install Vent and Combustion Air Piping
15
Sizing
16
Max. Allowable Vent Piping Lengths
16
Materials
16
Optional Room Air
17
Pvc/Cpvc
18
Polypropylene
19
Stainless Steel Vent
20
SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall
21
Determine Location
21
Prepare Wall Penetrations
23
Multiple Vent/Air Terminations
23
Sidewall Termination - Optional Concentric Vent
24
VERTICAL DIRECT VENTING Vent/Air Termination - Vertical
27
Determine Location
27
Prepare Roof Penetrations
28
Multiple Vent/Air Terminations
28
Vertical Termination - Optional Concentric Vent
29
Alternate Vertical Concentric Venting
31
Hydronic Piping
33
System Water Piping Methods
33
Low Water Cutoff Device
33
Chilled Water System
33
Freeze Protection
33
General Piping Information
33
Near Boiler Piping Components
34
Hydronic Piping Diagrams
34
Domestic Water Piping
45
Scalding
45
Water Chemistry
45
Near Heater Piping Components
45
DHW Pressure Drop Chart
46
Combi Sequence of Operation
46
Domestic Water Piping Diagrams
47
GAS CONNECTIONS Connecting Gas Supply Piping
50
Natural Gas
51
Pipe Sizing for Natural Gas
51
Natural Gas Supply Pressure Requirements
51
Propane Gas
51
Pipe Sizing for Propane Gas
51
Propane Supply Pressure Requirements
51
Check Inlet Gas Supply
52
Gas Pressure
53
Gas Valve Replacement
53
Field Wiring
54
Line Voltage Connections
54
Low Voltage Connections
54
CONDENSATE DISPOSAL Condensate Drain
58
Startup
59
Operating Information
68
General
68
Menus
68
Control Inputs and Outputs
69
Cascade
72
Protection Features
72
Sequence of Operation
74
MAINTENANCE Maintenance and Annual Startup
76
Troubleshooting
82
Diagrams
95
Ladder Diagram (Standard)_Combi Only
95
Wiring Diagram (Standard)_Combi Only
96
Ladder Diagram (Standard)_Boiler Only
97
Wiring Diagram (Standard)_Boiler Only
98

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