Lochinvar Knight WHN399 Boiler Manuals

Manuals and User Guides for Lochinvar Knight WHN399 Boiler. We have 4 Lochinvar Knight WHN399 Boiler manuals available for free PDF download: Installation & Operation Manual

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Lochinvar Knight Wall Mount Boiler

Brand: Lochinvar | Category: Boiler | Size: 8 MB

Hazard Definitions

2
- Table of Contents
  2
- Boiler Operation
  3
- Boiler Water
  3
Please Read before Proceeding

3
- When Servicing Boiler
  3
The Knight Wall Mount Boiler - 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
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

21
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

27
6 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
- Near Boiler Piping Connections
  35
- Circulator Sizing
  35
- Variable Speed Pump Option
  37
- Gas Connections
  48
7 GAS CONNECTIONS Connecting Gas Supply Piping

48
- Natural Gas
  49
  - Pipe Sizing for Natural Gas
    49
  - Natural Gas Supply Pressure Requirements
    49
- Propane Gas
  49
  - Pipe Sizing for Propane Gas
    49
  - Propane Supply Pressure Requirements
    49
- Check Inlet Gas Supply
  50
- Gas Pressure
  51
- Gas Valve Replacement
  51
8 Field Wiring

52
- Line Voltage Connections
  52
- Low Voltage Connections
  52
  - Outdoor Temperature Sensor
    53
  - Flow Switch
    53
- Wiring of the Cascade
  54
- Condensate Disposal
  56
9 CONDENSATE DISPOSAL Condensate Drain

56
10 Startup

57
- Check for Gas Leaks
  58
- Start the Boiler
  59
- Set Space Heating Operation
  62
11 OPERATING INFORMATION General

64
- Temperature Control
  64
- Cascade
  67
- Sequence of Operation
  68
- Access Modes
  69
- Knight Wall Mount Boiler Control Module
  70
- Status Display Screens
  71
12 MAINTENANCE Maintenance and Annual Startup

74
- Address Reported Problems
  75
- Inspect Boiler Area
  75
- Check Expansion Tank
  76
- Cleaning Boiler Heat Exchanger
  77
- Check Flame Signal
  77
- Review with Owner
  77
- Oiled Bearing Circulators
  77
13 Diagrams

78
- Ladder Diagram
  78
- Wiring Diagram
  79

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Wall Mount Boiler

Brand: Lochinvar | Category: Boiler | Size: 8 MB

Hazard Definitions

2
- Table of Contents
  2
- Boiler Operation
  3
- Boiler Water
  3
Please Read before Proceeding

3
- When Servicing Boiler
  3
The Knight Wall Mount Boiler - 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
- Requirements for Installation in Canada
  16
- Sizing
  16
- Materials
  17
- Air Inlet Pipe Materials
  17
- Optional Room Air
  18
- Pvc/Cpvc
  19
- Polypropylene
  20
- Stainless Steel Vent
  21
  - Determine Location
    22
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

23
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

29
6 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
- Near Boiler Piping Connections
  35
- Circulator Sizing
  35
- Variable Speed Pump Option
  37
- Gas Connections
  48
7 GAS CONNECTIONS Connecting Gas Supply Piping

48
- Natural Gas
  49
  - Pipe Sizing for Natural Gas
    49
  - Natural Gas Supply Pressure Requirements
    49
- Propane Gas
  49
  - Pipe Sizing for Propane Gas
    49
  - Propane Supply Pressure Requirements
    49
- Check Inlet Gas Supply
  50
- Gas Pressure
  51
- Gas Valve Replacement
  51
8 Field Wiring

52
- Line Voltage Connections
  52
- Low Voltage Connections
  52
  - Outdoor Temperature Sensor
    53
  - Flow Switch
    53
- Wiring of the Cascade
  54
- Condensate Disposal
  56
9 CONDENSATE DISPOSAL Condensate Drain

56
10 Startup

57
- Check for Gas Leaks
  58
- Start the Boiler
  59
- Set Space Heating Operation
  62
11 Operating Information

64
- General
  64
- Temperature Control
  65
- Cascade
  67
- Sequence of Operation
  68
- Access Modes
  69
- Knight Wall Mount Boiler Control Module
  70
- Status Display Screens
  71
12 MAINTENANCE Maintenance and Annual Startup

74
- Address Reported Problems
  75
- Inspect Boiler Area
  75
- Check Expansion Tank
  76
- Check Boiler Relief Valve
  76
- Review with Owner
  77
- Check Burner Flame
  77
- Cleaning Boiler Heat Exchanger
  77
- Check Flame Signal
  77
- Oiled Bearing Circulators
  77
13 Diagrams

78
- Ladder Diagram
  78
- Wiring Diagram
  79

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Wall Mount Boiler

Brand: Lochinvar | Category: Boiler | Size: 8 MB

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Knight Wall Mount Boiler - 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
- Requirements for Installation in Canada
  16
- Sizing
  16
- Materials
  17
- Optional Room Air
  18
- Pvc/Cpvc
  19
- Polypropylene
  20
- Stainless Steel Vent
  21
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

22
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

29
6 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
- Near Boiler Piping Connections
  35
- Circulator Sizing
  35
- Variable Speed Pump Option
  37
7 GAS CONNECTIONS Connecting Gas Supply Piping

48
- Natural Gas
  49
  - Pipe Sizing for Natural Gas
    49
  - Natural Gas Supply Pressure Requirements
    49
- Propane Gas
  49
  - Pipe Sizing for Propane Gas
    49
  - Propane Supply Pressure Requirements
    49
- Check Inlet Gas Supply
  50
- Gas Pressure
  51
- Gas Valve Replacement
  51
8 Field Wiring

52
- Line Voltage Connections
  52
- Low Voltage Connections
  52
  - Outdoor Temperature Sensor
    53
  - Flow Switch
    53
- Wiring of the Cascade
  54
9 CONDENSATE DISPOSAL Condensate Drain

56
10 Startup

57
- Check for Gas Leaks
  58
- Start the Boiler
  59
- Set Space Heating Operation
  62
- Startup
  63
11 Operating Information

64
- General
  64
- Cascade
  67
- Sequence of Operation
  68
- Access Modes
  69
- Knight Wall Mount Boiler Control Module
  70
- Status Display Screens
  71
12 MAINTENANCE Maintenance and Annual Startup

74
- Address Reported Problems
  75
- Inspect Boiler Area
  75
- Check Expansion Tank
  76
- Check Boiler Relief Valve
  76
- Review with Owner
  77
- Check Burner Flame
  77
- Cleaning Boiler Heat Exchanger
  77
- Check Flame Signal
  77
- Oiled Bearing Circulators
  77
13 Diagrams

78
- Ladder Diagram
  78
- Wiring Diagram
  79

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Brand: Lochinvar | Category: Boiler | Size: 8 MB

Table of Contents
2
Hazard Definitions
2
Please Read before Proceeding
3
The Knight Wall Mount Boiler - 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
Requirements for Installation in Canada
16
Sizing
16
Materials
17
Optional Room Air
18
Pvc/Cpvc
19
Polypropylene
20
Stainless Steel Vent
21
Determine Location
22
SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall
23
Prepare Wall Penetrations
24
Multiple Vent/Air Terminations
25
Sidewall Termination - Optional Concentric Vent
26
VERTICAL DIRECT VENTING Vent/Air Termination - Vertical
29
Determine Location
29
Prepare Roof Penetrations
29
Multiple Vent/Air Terminations
30
Vertical Termination - Optional Concentric Vent
30
Alternate Vertical Concentric Venting
32
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
Near Boiler Piping Connections
35
Circulator Sizing
35
Variable Speed Pump Option
37
GAS CONNECTIONS Connecting Gas Supply Piping
48
Natural Gas
49
Pipe Sizing for Natural Gas
49
Natural Gas Supply Pressure Requirements
49
Propane Gas
49
Pipe Sizing for Propane Gas
49
Propane Supply Pressure Requirements
49
Check Inlet Gas Supply
50
Gas Pressure
51
Gas Valve Replacement
51
Field Wiring
52
Line Voltage Connections
52
Low Voltage Connections
52
Wiring of the Cascade
54
CONDENSATE DISPOSAL Condensate Drain
56
Startup
57
Operating Information
64
General
64
Cascade
67
Sequence of Operation
68
Knight Wall Mount Boiler Control Module
70
Status Display Screens
71
MAINTENANCE Maintenance and Annual Startup
74
Diagrams
78
Ladder Diagram
78
Wiring Diagram
79

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Lochinvar Knight WHN399 Boiler Manuals

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Table of Contents

Hazard Definitions

Please Read before Proceeding

The Knight Wall Mount Boiler - How It Works

Ratings

1 Determine Boiler Location

2 Prepare Boiler

3 General Venting

4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

6 Hydronic Piping

7 GAS CONNECTIONS Connecting Gas Supply Piping

8 Field Wiring

9 CONDENSATE DISPOSAL Condensate Drain

10 Startup

11 OPERATING INFORMATION General

12 MAINTENANCE Maintenance and Annual Startup

13 Diagrams

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Table of Contents

Hazard Definitions

Please Read before Proceeding

The Knight Wall Mount Boiler - How It Works

Ratings

1 Determine Boiler Location

2 Prepare Boiler

3 General Venting

4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

6 Hydronic Piping

7 GAS CONNECTIONS Connecting Gas Supply Piping

8 Field Wiring

9 CONDENSATE DISPOSAL Condensate Drain

10 Startup

11 Operating Information

12 MAINTENANCE Maintenance and Annual Startup

13 Diagrams

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Table of Contents

Hazard Definitions

Please Read before Proceeding

The Knight Wall Mount Boiler - How It Works

Ratings

1 Determine Boiler Location

2 Prepare Boiler

3 General Venting

4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

6 Hydronic Piping

7 GAS CONNECTIONS Connecting Gas Supply Piping

8 Field Wiring

9 CONDENSATE DISPOSAL Condensate Drain

10 Startup

11 Operating Information

12 MAINTENANCE Maintenance and Annual Startup

13 Diagrams

Lochinvar Knight WHN399 Installation & Operation Manual (80 pages)

Table of Contents

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