ii
Introduction
This Installation Manual describes the carry-in and installation of the boiler operation terminal EJ-
210(hereinafter called “EJ-210”).
When installing the EJ-210, carefully read and understand the contents of this manual to ensure
that all installation work is performed safely. Warnings in this manual are classified as DANGER,
WARNING, CAUTION, or NOTE, in order of severity.
Indicates an imminently dangerous situation which leads to
serious injury or death to the user, if the product is mishandled.
Indicates a situation which might cause serious injury or death
to the user, if the product is mishandled.
Indicates a situation which might cause minor injury to the user
or the occurrence of physical damage only, if the product is
mishandled.
Describes the precautions to prevent failures of the EJ-210,
points to perform effective operation, and useful information to
know.
DANGER
WARNING
CAUTION
NOTE