Bosch SSB800 SA User Manual

Installation and Service Instructions for Contractors
6720892984 (2019/02) US
WARNING:
Improper installation, set-up, modication, operation or maintenance of
the heating system can cause personal injury and property damage.
Follow these instructions precisely.
If you require assistance or further information, contact a trained and
certied installer.
WARNING:
The operating instructions are part of the technical documents that
must be handed over to the owner or operator of the heating system.
Explain to the owner or operator how to use the heating system using
the operating instructions. Make sure that they are familiar with all
required information for the safe and proper operation of the heating
system.
These instructions are available in English and French.
Please keep these instructions for future reference.
BUDERUS SSB BOILER
CONTROL SYSTEM MANUAL
SSB800 SA | SSB1000 SA | SSB1000 TL

Bosch SSB800 SA Specifications

General

Brand	Bosch
Model	SSB800 SA
Category	Boiler
Language	English

Summary

Key to Symbols and Safety Instructions

Safety Instructions

Essential safety guidelines for installation and operation of the heating system.

General Warning

Important general warnings for safe installation and operation of the boiler.

System Architecture

905TS Control System and Connections

Communication protocols between 905 Modules and system overview.

Burners Cascade Configuration

Communication Setup and Addressing

How to establish communication and set addresses between burners in a cascade.

Heating Only Operation

Configuration specific to heating-only cascade operation.

DHW Priority and Power Limitation

Options for prioritizing DHW/CH and limiting maximum power for DHW.

Start/Stop Sequences and Power Modes

Sequences for starting/stopping burners and different power control modes.

Error Handling and Rotation

System response to errors and burner rotation function in cascades.

Main Control Operations

Ignition Cycle and Control Functions

Details on ignition cycle states and general control functions.

Central Heating Modes

Operation specifics for various central heating modes.

Domestic Hot Water Modes

System handling and operation for domestic hot water modes.

Safety and System Functions

Safety features including flame detection, overheat, and sensor availability.

Heat Exchanger and Low Water Protection

Protection mechanisms for heat exchangers and low water conditions.

Boiler Cascade Management

Cascade System Overview

Overview of an extended boiler cascade system configuration.

Switch Settings and Address Configuration

Instructions for setting switches and configuring addresses for cascade boards.

System Testing Procedures

System Test Activation and Modes

How to activate and perform system tests, including various modes.

Physical High Limit Test

Performing a physical high limit test, including starting, running, and stopping.

LWCO Error Evaluation

How Low Water Cut Off errors are evaluated and handled at the boiler level.

Service Reminder and Logging

Service Reminder Functionality

Overview of the service reminder functionality and its implementations.

Service Overdue Logging and Resetting

Logging service overdue times and procedures for resetting the reminder.