Lochinvar KnightXL KBN400 Manuals

Lochinvar KnightXL KBN400 Manuals

Manuals and User Guides for Lochinvar KnightXL KBN400. We have 1 Lochinvar KnightXL KBN400 manual available for free PDF download: Installation & Operation Manual

Lochinvar KnightXL KBN400 Installation & Operation Manual

Lochinvar KnightXL KBN400 Installation & Operation Manual (80 pages)

Brand: Lochinvar | Category: Boiler | Size: 12.67 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Knight XL - How It Works

4
Ratings

7
1 Determine Boiler Location

8
2 Prepare Boiler

13
- Remove Boiler from Wood Pallet
  13
- Gas Conversions
  13
  - Model 400
    13
  - Model 501
    14
  - Models 601 - 801
    14
- Leveling the Boiler
  14
3 General Venting

15
- Install Vent and Combustion Air Piping
  16
- Requirements for Installation in Canada
  17
- Sizing
  17
- Min./Max. Combustion Air & Vent Piping Lengths
  17
- Combustion Air and Vent Piping Lengths
  17
- Air Inlet Pipe Materials
  18
- Optional Room Air
  19
- Pvc/Cpvc
  19
- Polypropylene
  21
- Stainless Steel Vent
  22
- Sidewall Direct Venting
  23
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

23
5 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

30
6 Hydronic Piping

36
- System Water Piping Methods
  36
- Low Water Cutoff Device
  36
- Chilled Water System
  36
- Freeze Protection
  36
- General Piping Information
  36
- Flow Switch and Relief Valve Installation
  37
  - Flow Switch Adjustment
    38
- Near Boiler Piping Components
  38
- Circulator Sizing
  39
- Near Boiler Piping Connections
  39
- Variable Speed Pump Option
  39
- Gas Connections
  46
7 GAS CONNECTIONS Connecting Gas Supply Piping

46
- Natural Gas
  47
  - Pipe Sizing for Natural Gas
    47
  - Natural Gas Supply Pressure Requirements
    47
- Propane Gas
  47
  - Pipe Sizing for Propane Gas
    47
  - Propane Supply Pressure Requirements
    47
- Check Inlet Gas Supply
  48
- Gas Pressure
  49
- Gas Valve Replacement
  49
8 Field Wiring

50
- Line Voltage Connections
  50
- Low Voltage Connections
  50
- Outdoor Temperature Sensor
  51
- Wiring of the Cascade
  52
- Flow Switch
  52
- Condensate Disposal
  54
9 CONDENSATE DISPOSAL Condensate Drain

54
10 Startup

55
- Boiler Water
  56
- Check for Gas Leaks
  57
- Start the Boiler
  58
- For Your Safety Read before Operating
  59
- Operating Instructions
  59
- To Turn off Gas to Appliance
  59
11 OPERATING INFORMATION General

62
- Temperature Control
  63
- Protection Features
  63
- Cascade
  65
- Sequence of Operation
  66
- Knight XL Control Module
  68
- Access Modes
  69
- Status Display Screens
  70
12 MAINTENANCE Maintenance and Annual Startup

73
- Address Reported Problems
  74
- Inspect Boiler Area
  74
- Check Expansion Tank
  75
- Check Boiler Relief Valve
  75
- Check Control Settings
  76
- Review with Owner
  77
- Cleaning Boiler Heat Exchanger
  77
13 Diagrams

78
- Wiring Diagram
  78
- Ladder Diagram
  79
- Revision Notes
  80

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