Legend LW 750 Manuals

Manuals and User Guides for Legend LW 750. We have 1 Legend LW 750 manual available for free PDF download: Installation Operation & Maintenance

Legend LW 750 Installation Operation & Maintenance

Legend LW 750 Installation Operation & Maintenance (36 pages)

GAS-FIRED POWER BURNER COPPER BOILERS

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

Table of Contents

Rough-In Dimensions
2
Table of Contents
4
Foreword
4
- Grounding Instructions
  5
- Inlet Water Considerations
  5
- Correct Gas
  5
- Precautions
  5
- Liquid Petroleum Models
  5
High Altitude Installations
5
- Field Installed Components
  6
- Panels and Covers
  6
Features/Controls
6
- Electronic Ignition Control
  6
- Hot Surface Ignitor
  6
- Blocked Flue Switch
  6
- Blower Prover Switch
  7
- Low Gas Switch
  7
- Water Flow Switch
  7
- Air Shutter
  7
- Blower Speed Control
  7
- Combination Gas Control
  7
- Manual Reset Limit (E.C.o)
  7
- Automatic Reset Limit
  7
- On/Off Switch
  7
- Circulating Pump
  8
- Tank Temperature Control
  8
- Low Water Cutoff (Not Supplied)
  8
- Drain Valve
  8
- Relief Valves
  8
Installation Instructions
9
- Required Ability
  9
- Location
  9
- Chemical Vapor Corrosion
  9
- Installation Clearances
  9
- Leveling
  9
- Air Requirements
  9
Venting
10
System Installation
16
Gas Connections
19
- Gas Supply Line Sizing
  20
Wiring
20
Suggested Pipe Sizing Tables
21
Wiring Connection Diagram
22
Schematic Diagram
23
Operation
24
- Filling and Purging for Heating Boiler Installation
  24
- Filling for Hot Water Supply Boiler Installation
  24
- General
  24
- Purging Gas Line
  24
  - For Your Safety Read before Operating
    25
  - To Turn off Gas to Appliance
    25
- Gas Pressure Regulators
  27
- Inlet Gas Pressure
  27
- Manifold Pressure Connections
  27
- Safety Checks
  27
- Sequence of Operation
  28
- Water Temperature Regulation
  28
Lighting & Operating Instructions
25
Maintenance
29
- Venting Maintenance
  29
- Burner and Flame Pattern
  29
- Lighting & Operating Instructions
  29
- Burner Maintenance
  30
- Condensate Removal System
  30
Dia-Scan II Self-Diagnostic System
30
Troubleshooting
34
- Shortcycling
  34
- Hard Starts
  34
- Troubleshooting Error Codes
  34
Limited Warranty
36

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