These terms are used throughout this
manual to bring attention to the
presence of hazards of various risk
levels or to important information
concerning the life of the product.
LGB
Control Supplement
LGB-6
LGB
LGB
-6
-6
-6
LGB
LGB
LGB-23
LGB
LGB
-6
LGB
LGB
to
to
to
to
to
Universal Control System
Indicates presence of hazards that can cause severe personal injury, death or
substantial property damage.
Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property damage.
This Control Supplement must only be used by a qualified installer/service
technician. Read these instructions completely before beginning the
installation. Failure to follow these instructions can cause severe personal
injury, death or substantial property damage.
Gas-fired boiler
-23
-23
-23
-23
- Natural gas
Series 2
Contents
Part Number 550-141-916/0304