Part Number 550-141-186/0100
35
• Installation • Start-Up • Maintenance • Parts
13
Equipment —
standard and optional
Standard equipment
water and steam
1. Cast Iron Sections
2. Insulated Steel Jacket
3. Aluminized Steel Collector Hood(s) and Draft Hood(s)
4. Factory Packaged Burner-Base Assembly(ies)
•
One Piece Aluminized Steel Burners
•
Gas Distribution Manifold
•
Aluminized Steel Base Panels
•
High Temperature Insulation Board Panel(s)
5. Factory Pre-piped Gas Control Assembly(ies) - 24 volt
•
Manual Main Shutoff Gas Valve (LGB-6 through LGB-23 only)
•
Safety Gas Valve (LGB-6 through LGB-23 only)
•
Combination Two-stage Gas Valve and Pressure Regulator (LGB-6 through LGB-23
only)
•
Combination Gas Valve with Pilot Tapping (LGB-4 and LGB-5 only)
•
High Gas Pressure Switches (LGB-21 through LGB-23 only)
•
Control Transformer — 120/24 volt
6. Junction Box
7. WFG Flame Rectification Electronic Control System (LGB-6 through LGB-23 only) (1
per base)
•
Pre-wired Control Panel with Terminal Block and Pilot and Main Flame Ignition
Control Modules with Integral Spark Generators
•
Intermittent Electronic Ignition Pilot System
•
Electronically Supervised Pilot Burner
•
Main Flame Sensor
8. Intermittent Ignition Control System (LGB-4 and LGB-5 only)
•
Intermittent Ignition Control Module
•
Electronically Supervised Pilot Burner
•
Wire Harness
Water boilers
1. Combination Operating and High Limit Temperature Control (LGB-4 through LGB-20
only)
2. Operating Temperature Control (LGB-21 through LGB-23 only)
3. High Limit Temperature Control (LGB-21 through LGB-23 only)
4. Combination Pressure/Temperature Gauge
5. 30 PSI ASME Safety Relief Valve — Side Outlet (50 PSI working pressure)
6. Built-in Air Eliminator
7. Wiring Harness/Junction Box and Pre-wired Flexible Conduit
8. Probe-type Low Water Cutoff (Packaged units only)
Steam boilers
1. Operating Pressure Control
2. High Limit Pressure Control
3. Pressure Gauge
4. Siphon
5. Gauge Cocks, Glass and Guards
6. ASME Safety Valve — Side Outlet
7. Float-type Low Water Cutoff
8. Wiring Harness/Junction Box and Pre-wired Flexible Conduit
Optional equipment
1. 1 ½" Inspection Tappings with Brass Plugs — one per section
2. Water Level Controls
3. Pilot Pressure Regulator
4. Low-High-Low Firing (LGB-6 through LGB-23 only); Stage Firing (LGB-13 through
LGB-23 only) — base 1 on high fire, base 2 on high fire, low/high, low/low
