Lochinvar Crest FBL0751 Manuals

Lochinvar Crest FBL0751 Manuals

Manuals and User Guides for Lochinvar Crest FBL0751. We have 1 Lochinvar Crest FBL0751 manual available for free PDF download: Installation & Operation Manual

Lochinvar Crest FBL0751 Installation & Operation Manual

Lochinvar Crest FBL0751 Installation & Operation Manual (68 pages)

Brand: Lochinvar | Category: Boiler | Size: 29.89 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Crest - How It Works

4
Ratings

6
1 Determine Boiler Location

7
2 General Venting

14
3 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

22
- Determine Location
  22
- Prepare Roof Penetrations
  22
- Termination and Fittings
  22
- Multiple Vent/Air Terminations
  23
- Sidewall Direct Venting
  24
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

24
- Determine Location
  24
- Prepare Wall Penetrations
  26
- Termination and Fittings
  26
- Multiple Vent/Air Terminations
  26
- Room Air
  27
5 Hydronic Piping

28
- System Water Piping Methods
  28
- Low Water Cutoff Device
  28
- Chilled Water System
  28
- Freeze Protection
  28
- General Piping Information
  28
- Circulator Sizing
  29
- Near Boiler Piping Components
  30
6 Gas Connections

35
- Connecting Gas Supply Piping
  35
- Natural Gas
  36
  - Pipe Sizing for Natural Gas
    36
  - Natural Gas Supply Pressure Requirements
    36
- Propane Gas
  36
  - Pipe Sizing for Propane Gas
    36
  - Propane Supply Pressure Requirements
    36
- Check Inlet Gas Supply
  37
- Gas Valve Replacement
  38
7 Field Wiring

39
- Line Voltage Connections
  39
- Low Voltage Connections
  40
- Wiring of the Cascade
  41
- Condensate Disposal
  43
8 CONDENSATE DISPOSAL Condensate Drain

43
9 Startup

44
- Check for Gas Leaks
  46
- Start the Boiler
  47
- For Your Safety Read before Operating
  48
- Operating Instructions
  48
- To Turn off Gas to Appliance
  48
10 OPERATING INFORMATION General

53
- Temperature Control
  53
- Cascade
  56
- Sequence of Operation
  57
- Home Screen
  58
11 Maintenance

59
- Maintenance and Annual Startup
  59
  - Address Reported Problems
    60
  - Inspect Boiler Area
    60
  - Check Burner Flame
    62
  - Check Flame Signal
    62
  - Handling Ceramic Fiber Materials
    63
  - Cleaning Boiler Heat Exchanger
    63
12 Diagrams

64
- Ladder Diagram
  64
- Wiring Diagram
  65
- Revision Notes
  68

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