Lochinvar KNIGHT 800 Manuals

Manuals and User Guides for Lochinvar KNIGHT 800. We have 1 Lochinvar KNIGHT 800 manual available for free PDF download: Installation & Operation Manual

Lochinvar KNIGHT 800 Installation & Operation Manual

Lochinvar KNIGHT 800 Installation & Operation Manual (76 pages)

Commercial Boiler

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

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
- High Limit
  4
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 399
    13
  - Model 500
    14
  - Models 600 - 800
    14
- Leveling the Boiler
  14
3 General Venting

15
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
- Check for Gas Leaks
  51
- Check Thermostat Circuit(S)
  51
- Inspect/Fill Condensate System
  51
- For Your Safety Read before Operating
  53
- Operating Instructions
  53
- To Turn off Gas to Appliance
  53
- What to Do if You Smell Gas
  53
- Set Space Heating Operation
  54
- Startup
  55
- Set Domestic Hot Water (DHW) Operation
  55
11 OPERATING INFORMATION General

56
- Protection Features
  57
- Cascade
  58
  - Cascade
    59
  - Switching on Sequence
    59
- Sequence of Operation
  60
- Knight XL Control Module
  61
  - Access Modes
    62
  - Saving Parameters
    62
- Status Display Screens
  63
- Status Display Screens
  66
12 MAINTENANCE Maintenance and Annual Startup

67
- Service Technician
  67
- Owner Maintenance
  67
- Inspect Boiler Area
  68
- Check Expansion Tank
  69
- Check Boiler Relief Valve
  69
- Flue Vent System and Air Piping
  69
- Check Water System
  69
- Check Burner Flame
  70
- Check Control Settings
  70
- Section 10 - Start-Up
  70
- Cleaning Boiler Heat Exchanger
  71
- Check Flame Signal
  71
- Review with Owner
  71
13 Diagrams

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

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