Lochinvar Knight 399 Manuals

Manuals and User Guides for Lochinvar Knight 399. We have 3 Lochinvar Knight 399 manuals available for free PDF download: Installation & Operation Manual, Installation And Service Manual

Lochinvar Knight 399 Installation & Operation Manual (76 pages)

Commercial Boiler

Brand: Lochinvar | Category: Boiler | Size: 7.99 MB

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Knight XL - How It Works

4
- Model 399
  5
- The Knight Xl -- How It Works
  6
Ratings

7
1 Determine Boiler Location

8
2 Prepare Boiler

13
- Remove Boiler from Wood Pallet
  13
- Gas Conversions
  13
  - Model 399
    13
  - Model 500
    14
  - Models 600 - 800
    14
- Leveling the Boiler
  14
- Direct Venting Options
  15
3 General Venting

16
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

23
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

30
6 Hydronic Piping

34
- System Water Piping Methods
  34
- Low Water Cutoff Device
  34
- Chilled Water System
  34
- Freeze Protection
  34
- General Piping Information
  34
- Flow Switch and Relief Valve Installation
  35
  - Flow Switch Adjustment
    36
- Circulator Sizing
  36
- Near Boiler Piping Connections
  36
- Near Boiler Piping Components
  38
7 Gas Connections

41
- Connecting Gas Supply Piping
  41
- Natural Gas
  42
  - Pipe Sizing for Natural Gas
    42
  - Natural Gas Supply Pressure Requirements
    42
- Propane Gas
  42
  - Pipe Sizing for Propane Gas
    42
  - Propane Supply Pressure Requirements
    42
- Check Inlet Gas Supply
  43
- Gas Pressure
  44
- Gas Valve Replacement
  44
8 Field Wiring

45
- Line Voltage Connections
  45
- Low Voltage Connections
  46
- Wiring of the Cascade
  47
9 CONDENSATE DISPOSAL Condensate Drain

49
10 Startup

50
- For Your Safety Read before Operating
  53
- Operating Instructions
  53
- To Turn off Gas to Appliance
  53
- Startup
  55
11 OPERATING INFORMATION General

56
- Cascade
  58
- Cascade
  59
- Sequence of Operation
  60
- Knight XL Control Module
  61
- Status Display Screens
  63
- Status Display Screens
  66
12 MAINTENANCE Maintenance and Annual Startup

67
- Inspect Boiler Area
  68
- Check Expansion Tank
  69
- Check Boiler Relief Valve
  69
- Check Burner Flame
  70
- Check Control Settings
  70
- Check Flame Signal
  71
- Review with Owner
  71
- Cleaning Boiler Heat Exchanger
  71
13 Diagrams

72
- Wiring Diagram
  72
- Ladder Diagram
  73
- Revision Notes
  76

Lochinvar Knight 399 Installation And Service Manual (72 pages)

HYDRONIC HEATING BOILERS and DOMESTIC WATER HEATERS 399,999 - 2,070,000 Btu/hr MODELS

Brand: Lochinvar | Category: Boiler | Size: 3.23 MB

Domestic Water Heaters
1
Table of Contents
2
General Product Information

3
- Special Instructions
  3
- Unpacking
  3
- Codes
  3
- Warranty
  3
Safety Information

4
Product Identification

5
Installation

6
Freeze Protection

7
- Pump Operation
  7
- Location
  7
- Hydronic System Antifreeze
  7
- Outdoor Boiler Installation
  7
- Shutdown and Draining
  8
Freeze Protection for a Heating Boiler System

8
- Combustion and Ventilation Air
  8
- Combustion Air Filter
  8
- Combustion Air Options
  9
- Exhaust Fans
  11
Venting

11
Vent System Options

15
- Barometric Damper Location
  15
- Conventional Negative Draft Venting
  16
- 2. Vertical Directaire™ Venting
  17
- Sidewall Venting
  19
- Horizontal Directaire ™ Venting
  21
- Direct Venting
  22
- Outdoor Installation Venting
  26
Connecting to Gas Supply

28
- Gas Pressure Test
  28
- Gas Piping
  28
- Connecting Gas Piping to Unit
  28
- Gas Train and Controls
  29
- Combination Gas Valves
  30
- Venting of Combination Gas Valves
  30
- Checking Gas Supply Pressure
  30
- Gas Manifold Pressure Adjustment
  31
Connecting to Water Supply

32
- Inlet and Outlet Connections
  32
- Relief Valve
  33
- Water Flow Switch
  33
- Low Water Cutoff
  33
Connecting to Electrical Supply

33
Boiler System Piping

34
Water Treatment

40
- Terminal Strip Connection Options
  40
Operation

41
- Lighting Instructions
  42
- To Turn off Gas to Appliance
  43
- Programming Temperature Control
  43
- Quick Programming Overview
  43
- Adjust Menu Setting Descriptions
  44
- Access Levels
  46
- Temperature Control
  46
- Placement of Sensors
  46
- Staging Logic
  47
Hot Surface Ignition System

49
Operation and Diagnostic Lights

51
Domestic Water Heaters

52
- Water Velocity Control
  52
- Water Chemistry
  52
- Pipe Size Requirements
  53
- Circulating Pump
  53
- Minimum Pump Performance
  54
- Heat Exchanger
  54
- Potable Hot Water Temperature Control Settings
  54
- Location of Cold Water Supply Piping Connections
  55
- High Water Temperature Limit Control
  55
- Optional Relief Valve
  55
- Thermal Expansion
  55
- Cathodic Protection
  55
Cleaning and Maintenance

56
Sequence of Operation

59
Troubleshooting Guide

62
- 750,000 Btu/Hr Models
  62
Troubleshooting Guide

63
- 2,070,000 Btu/Hr Models
  63
Wiring Diagram

64

Lochinvar Knight 399 Installation & Operation Manual (80 pages)

Wall Mount Boiler

Brand: Lochinvar | Category: Boiler | Size: 8.63 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

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Lochinvar Knight 399 Manuals

Lochinvar Knight 399 Installation & Operation Manual (76 pages)

Table of Contents

Hazard Definitions

Please Read before Proceeding

The Knight XL - 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

8 Field Wiring

9 CONDENSATE DISPOSAL Condensate Drain

10 Startup

11 OPERATING INFORMATION General

12 MAINTENANCE Maintenance and Annual Startup

13 Diagrams

Lochinvar Knight 399 Installation And Service Manual (72 pages)

Table of Contents

General Product Information

Safety Information

Product Identification

Installation

Freeze Protection

Freeze Protection for a Heating Boiler System

Venting

Vent System Options

Connecting to Gas Supply

Connecting to Water Supply

Connecting to Electrical Supply

Boiler System Piping

Water Treatment

Operation

Hot Surface Ignition System

Operation and Diagnostic Lights

Domestic Water Heaters

Cleaning and Maintenance

Sequence of Operation

Troubleshooting Guide

Troubleshooting Guide

Wiring Diagram

Lochinvar Knight 399 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

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