Buderus Logamax plus User Manual

Installation instructions
Condensing gas boiler
Logamax plus
GB162-80 kW/100 kW
7 746 800 103 (09/2009) US/CA
For the registered installer
Please read these
instructions carefully
before starting the
operation
CAUTION!
Before putting the boiler into operation read this manual carefully.
WARNING!
Improper installation, adjustment, alteration, service or maintenance can cause
injury, loss of life or property damage. Refer to this manual. For assistance or addi-
tional information consult a qualified installer, service agency or the gas supplier.
CAUTION!
The operating manual is part of the documentation that is delivered to the installa-
tion's operator. Go through the information in this manual with the owner/operator
and make sure that he or she is familiar with all the necessary operating instruc-
tions.
NOTICE!
In the Commonwealth of Massachusetts this boiler must be installed by a licensed
Plumber or Gas Fitter.
Notice:
• This manual is available in the English and French language.
• This manual must be retained for future reference.
– Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
– What to do if you smell gas
• Do not try to light any boiler.
• Do not touch any electrical switch; do not use any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
– Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
Warning: If the information in these instructions is not followed
exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.

Buderus Logamax plus Specifications

General

Type	Condensing Boiler
Fuel Type	Natural gas
Efficiency	Up to 98%
Modulation Range	1:10
Dimensions	Varies by model
Warranty	2-5 years (depending on region and model)

Summary

General Information

About the Instructions

Provides information on installation, start-up, and maintenance.

Cascade System Installation

Guidance on installing boilers in a cascade system.

Safety and General Instructions

Designated Use and Safety Guidelines

Defines the boiler's purpose and crucial safety instructions.

Hazard Definitions and Warnings

Explains hazard levels (DANGER, WARNING, CAUTION) and general warnings.

System Requirements and Operational Features

Covers heating system requirements, water quality, pump test, and freeze protection.

Tools and Disposal

Lists necessary tools and provides disposal instructions.

Regulations and Guidelines

Massachusetts Installation Requirements

Specific regulations for installations in Massachusetts.

Dimensions and Connections

Unit Dimensions and Connection Details

Illustrates boiler dimensions and connection points.

Packaging and Transportation

Scope of Delivery and Handling

Lists delivered items and provides transportation safety instructions.

Installation

Installation Site and Boiler Mounting

Requirements for the installation room and boiler mounting procedures.

Water, Gas, and Pipe Connections

Details on connecting water, gas, and primary heating pipes.

Drainage, Expansion, and Ventilation Systems

Covers condensate trap, drain pipe, expansion vessel, and ventilation.

Electrical Connections

External Connection Board and Low Voltage Wiring

Connecting external devices and low-voltage components.

120 VAC Connections and Controller Setup

Power connections and controller integration.

Function Module Installation

Guidance on installing optional function modules.

Operation

BC10 Basic Controller Overview

Details the BC10 controller components and functions.

BC10 Operating Instructions

Step-by-step guide to operating the BC10 controller menus.

Start-up Procedure

Pre-Operation Safety and Instructions

Critical safety warnings and initial operating steps.

Gas System Integrity and Pressure Checks

Checks for gas leaks, air/flue connection, and gas inlet pressure.

Heating System Filling and Initial Checks

Procedures for filling the heating system and condensate trap.

Performance Testing and Adjustments

Covers gas/air ratio, CO emissions, ionization current, safety shutoff, and settings.

Final Start-up Procedures

Steps for closing up and handing over the boiler.

Shutting Down the System

System Shutdown Procedures

Instructions for normal, freezing risk, and emergency shutdowns.

Inspection

Inspection Preparation and Visual Checks

Steps to prepare the system and conduct visual checks.

Gas System and Component Testing

Tests for gas valve leaks, gas pressure, and gas/air ratio.

System Integrity and Connection Checks

Checks for ionization current, heating system fill, and air/flue connections.

Maintenance

Maintenance Preparation and Boiler Door Removal

Steps to prepare for maintenance and remove the boiler door.

Component Cleaning and Checks

Procedures for cleaning heat exchanger, burner, condensate trap, and checks.

Display Information

Control Panel Handling and Display Readings

Removing, replacing, and understanding BC10 display readings.

BC10 Display Settings and Codes

Configuration options and error/status codes for the BC10.

Technical Specifications

Boiler Specifications at Different Altitudes

Detailed performance and dimensional data at sea level and high altitudes.

Reports

Documentation Forms for Start-up and Inspection

Forms for recording start-up and inspection activities.

Service Report Form

Form for documenting maintenance activities.

Spare Parts

Parts Lists and Exploded Views

Lists part numbers and provides visual diagrams for identification.