Weil McLain 511330090 Control Module UT-1107-1 for CGI Boilers

Description

Key Features:

• 10-second pre-purge: Clears the combustion chamber before ignition for safety.
• Dual solenoid valve control: Manages water flow for domestic hot water and heating.
• Low voltage port: Allows connection to external devices (e.g., thermostats).
• Compatibility: CGS, CGT, and CGI series boilers from Weil-McLain.

Specific Functions:

• Manages ignition sequence: Coordinates spark ignition, gas valve opening, and flame sensing.
• Monitors flame: Ensures continuous combustion for heat production.
• Operates gas valve: Regulates fuel flow to the burner.
• Initiates safety shutdowns: Detects potential hazards (e.g., flame loss, overheating) and shuts down the boiler to prevent accidents.
• Communicates system status: Provides feedback on boiler operation and error codes via LED lights or external connections.

Installation and Replacement:

• Typically located inside the boiler cabinet.
• Replacement requires electrical and gas line disconnections.
• Consult a qualified HVAC technician for proper installation and troubleshooting.

Additional Considerations:

• Specific model variations: The UT-1107-1 may have minor variations for different boiler types.
• Compatibility: Ensure the exact module model matches your boiler for optimal operation and safety.
• Troubleshooting: Refer to manufacturer’s documentation or consult a technician for error codes and troubleshooting steps.