Weil-McLain GOLD CGa-3 User Manual

Part No. 550-101-009/0107
This manual must only be used by a qualified heating installer/service technician. Before installing, read all
instructions, including this manual, the burner manual and any related supplements. Perform steps in the order
given. Failure to comply could result in severe personal injury, death or substantial property damage.
GOLD CGa
s)NSTALLATION
s3TARTUP
Boiler Manual
s-AINTENANCE
s0ARTS
Gas-Fired Water Boilers
®
™

Weil-McLain GOLD CGa-3 Specifications

General

Model	CGa-3
Efficiency	85%
Fuel Type	Natural Gas or Propane
Ignition Type	Electronic
Depth	28 in

Summary

2b Prepare Boiler – Pressure Test

Hydrostatic Pressure Test Procedure

Details the steps for performing a hydrostatic pressure test on the boiler.

6a Start-up – Preparation

Preparation Steps Before Boiler Start-up

6a Start-up – Preparation (cont.)

System Filling and Inspection

6b Start-up – Operate Boiler

Boiler Operation and Verification

6c Start-up – If Boiler Doesn't Start

Troubleshooting Start-up Issues

Provides a checklist and guidance for diagnosing and resolving start-up problems.

6d Start-up – Verify Operation

Verifying Burner and Vent Operation

7 Check-out Procedure – Checklist

Final System Check-out and Verification

A comprehensive checklist for final system verification, including gas input measurement and documentation.

8a Operation – Standing Pilot Boilers

8b Lighting Instructions CGa-25 to CGa-8

Boiler Lighting Safety and Procedure

Critical safety warnings and step-by-step instructions for lighting the boiler pilot.

9a Operation – Spark-Ignited Pilot Boilers

Spark-Ignited Pilot Boiler Operation Sequence

9a Operation – Spark-Ignited Pilot System (cont.)

Control Module Indicators and Troubleshooting

9b Operating Instructions CGa-25 to CGa-8

Boiler Operating Safety and Procedure

Critical safety warnings and step-by-step instructions for operating the boiler.

10a Service and Maintenance – Schedule

Annual Service and Maintenance Schedule

Outlines the recommended schedule for boiler service and maintenance tasks.

10b Service & Maintenance – Annual Start-up

Inspect Boiler System Components

11a Troubleshooting – Procedure

Troubleshooting Preparation and Initial Checks

Outlines necessary tools and initial checks before proceeding with troubleshooting.

11a Troubleshooting – Procedure (cont.)

Vent Damper Troubleshooting

Provides specific steps for troubleshooting vent damper failures.

11b Troubleshooting – Standing Pilot Boilers

Troubleshooting Chart: Standing Pilot Boiler Not Firing

A diagnostic chart to identify why a standing pilot boiler will not fire.

11c Troubleshooting – Spark-Pilot Boilers

Spark-Ignited Pilot: Control Module and Indicators

11c Troubleshooting – Spark-Pilot Boilers (cont.)

Spark-Ignited Pilot: POWER Light Status Troubleshooting

A diagnostic chart to diagnose issues based on the POWER light status in spark-ignited pilot systems.

Spark-Ignited Pilot: TSTAT CIRC & POWER Lights Flashing Troubleshooting

A diagnostic chart for troubleshooting TSTAT CIRC and POWER lights flashing issues.

Spark-Ignited Pilot: DAMPER Light Flashing Troubleshooting

A diagnostic chart for troubleshooting issues when the DAMPER light is flashing.

Spark-Ignited Pilot: FLAME & POWER Lights Flashing Troubleshooting

A diagnostic chart for troubleshooting FLAME and POWER lights flashing simultaneously.

Spark-Ignited Pilot: FLAME Light Flashing & POWER Light Steady Troubleshooting

A diagnostic chart for troubleshooting FLAME light flashing with a steady POWER light.

Spark-Ignited Pilot: Insufficient Heat Troubleshooting

A diagnostic chart for troubleshooting insufficient heat or no heat conditions.