User Manuals: Lochinvar KNIGHT XL 399 Commercial Boiler

Manuals and User Guides for Lochinvar KNIGHT XL 399 Commercial Boiler. We have 2 Lochinvar KNIGHT XL 399 Commercial Boiler manuals available for free PDF download: Installation & Operation Manual, User's Information Manual

Lochinvar KNIGHT XL 399 Installation & Operation Manual

Lochinvar KNIGHT XL 399 Installation & Operation Manual (72 pages)

Brand: Lochinvar | Category: Boiler | Size: 7 MB

Table of Contents

Hazard Definitions

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

3
- When Servicing Boiler
  3
The Knight XL - How It Works

4
Ratings

7
1 Determine Boiler Location

8
2 Prepare Boiler

12
- Remove Boiler from Wood Pallet
  12
- Gas Conversions
  12
  - Model 399
    12
  - Model 500
    13
  - Models 600 - 800
    13
- Leveling 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

32
- System Water Piping Methods
  32
- Low Water Cutoff Device
  32
- Chilled Water System
  32
- Freeze Protection
  32
- General Piping Information
  32
- Flow Switch and Relief Valve Installation
  33
  - Flow Switch Adjustment
    33
- Circulator Sizing
  34
- Near Boiler Piping Connections
  34
- Near Boiler Piping Components
  36
7 Gas Connections

39
- Connecting Gas Supply Piping
  39
- Natural Gas
  40
  - Pipe Sizing for Natural Gas
    40
  - Natural Gas Supply Pressure Requirements
    40
- Propane Gas
  40
  - Pipe Sizing for Propane Gas
    40
  - Propane Supply Pressure Requirements
    40
- Check Inlet Gas Supply
  41
- Gas Pressure
  42
- Gas Valve Replacement
  42
8 Field Wiring

43
- Line Voltage Connections
  43
- Low Voltage Connections
  44
  - Outdoor Temperature Sensor
    44
  - Flow Switch
    44
- Wiring of the Cascade
  45
- Condensate Disposal
  47
9 CONDENSATE DISPOSAL Condensate Drain

47
10 Startup

48
11 OPERATING INFORMATION General

54
- Cascade
  56
- Sequence of Operation
  58
- Knight XL Control Module
  59
- Status Display Screens
  61
12 MAINTENANCE Maintenance and Annual Startup

65
- Address Reported Problems
  66
- Inspect Boiler Area
  66
- Check Expansion Tank
  67
- Check Boiler Relief Valve
  67
- Check Burner Flame
  68
- Check Control Settings
  68
- Check Flame Signal
  69
- Review with Owner
  69
13 Diagrams

70
- Wiring Diagram
  70
- Ladder Diagram
  71
- Revision Notes
  72

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Lochinvar KNIGHT XL 399 User's Information Manual

Lochinvar KNIGHT XL 399 User's Information Manual (20 pages)

Lochinvar Boiler User Manual

Brand: Lochinvar | Category: Boiler | Size: 0 MB

Table of Contents

Table of Contents
2
Freeze Protection Fluids
3
Boiler Operation
3
Boiler Water
3
Check Boiler Area
5
Check Pressure Temperature Gauge
5
Check Vent Piping
5
Check Air Piping
5
Check Relief Valve
5
Check Condensate Drain System
5
Check Air Vents
5
Test Low Water Cutoff (if Installed)
5
Reset Button (Low Water Cutoff)
5
Check Boiler Piping (Gas and Water)
5
Operating Instructions
9
- Display Screen
  10
- Connection Port
  10
Access Modes
11
Status Display Screens
15
Revision Notes
20

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