Table of Contents
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Installation and Service Instructions
LoganoUS/CA GC 144 II
Read carefully prior to installation and maintenance.
Gas boiler
WARNING!
Installation, adjustment, modification, opera-
tion or maintenance of the heating system
carried out by unqualified personnel may
result in property damage, personal injury,
and loss of life.
The directions of this installation and main-
tenance manual must be followed precisely.
Contact a qualified service company, service
provider or the gas company if support or
additional information is required.
CAUTION!
Before placing this boiler in operation
observe the safety instructions of this installa-
tion and maintenance manual.
CAUTION!
The operating manual is a component of the
technical documentation handed over to the
operator of the heating system. Discuss the
instructions in this manual with the owner or
operator of the heating system and ensure
that they are familiar with all information
required for operation of the heating system.
Keep this installation and maintenance
manual available for future reference.
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Table of Contents
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Summarization of Contents
Safety Considerations
Key to Symbols
Explains symbols used in the manual for clarity and understanding.
Safety Instructions
Provides essential guidelines for safe operation and installation of the boiler.
Product Description
Correct Use
Defines the intended application and function of the Logano GC 144 II gas boiler.
National Regulations
Outlines compliance requirements with national and local codes for heating systems.
Boiler Operating Conditions
Specifies the maximum operating temperature and pressure for the boiler.
Tools, Materials and Accessories
Lists essential tools and additional useful items for installation and maintenance.
Disposal
Provides guidance on the environmentally friendly disposal of packaging and components.
Placing the Boiler
Clearances
Details the required minimum distances around the boiler for safe installation and operation.
Leveling the Boiler
Instructions on how to ensure the boiler is installed on a level surface for proper function.
Boiler Installation
Preparing for Installation
Steps for unpacking and checking all components before boiler installation begins.
Connecting the Heating System
Guidance on properly connecting the boiler to the heating system piping.
Electrical Connections
Instructions for making safe and compliant electrical connections to the boiler.
Fuel Gas Supply Connection
Procedures for safely connecting the boiler to the gas supply line.
Gas Connections
Specifics on gas pipe diameters and fittings for proper connection.
Installation at High Altitudes
Notes regarding installation limitations and requirements for high altitude locations.
Filling Heating System and Checking for Leaks
Steps for filling the heating system with water and testing for leaks.
Placing the Heating System in Operation
Prepare Pressure Measurement
Instructions for setting up pressure gauges to measure gas pressures during start-up.
Turning On Heating System
Steps to safely power on the boiler and initiate the heating system operation.
Final Start-up Procedures
Verifying the Ignition Spark
Procedure to check for the presence and quality of the ignition spark.
Checking Gas Supply Pressure
Steps to measure and verify the correct gas supply pressure to the boiler.
Checking Orifice Pressure
Instructions for measuring and adjusting the gas orifice pressure for optimal performance.
Checking for Leaks
Detailed steps for performing leak checks on gas and water connections after start-up.
Checking Aquastat
Verifying the proper function of the high-temperature limit control (aquastat).
Taking the Heating System Out of Operation
Normal System Shut-down
Procedures for safely shutting down the heating system for routine purposes.
Emergency Shut-down Procedures
Guidelines for immediate shutdown in emergency situations to ensure safety.
Boiler Inspection and Maintenance
Why is Regular Maintenance Important?
Explains the benefits of regular maintenance for efficiency, safety, and longevity.
Inspection of the Boiler and Burner
Visual checks for dirt and external condition of the boiler and its burner.
Cleaning the Boiler
Procedures for cleaning the boiler's internal components using brushes or wet methods.
Cleaning the Burner
Steps for removing and cleaning the burner assembly for optimal combustion.
Maintenance Protocol
A checklist to record completed maintenance tasks and measured values for documentation.
Troubleshooting the GC 144 II
A guide to diagnosing and resolving common operational issues with the boiler.
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Questions and answers