17
INSTALLATION AND OPERATION INSTRUCTIONS
BT INDIRECT SERIES – WATER HEATERS
SCHEMATICS
NOTE
When using the sequential
load feature of the IBC boiler,
attention must be paid to
the operation of system
components in order to
ensure they are compatible.
Many air handlers (fan
coils) for instance have a
thermostat connection that
will energize an internal relay
to operate the air handler
circulator and its fan on
a call for heat. This may
result in operation of these
components when other
loads are running at a higher
priority, resulting in cold air
blowing, or robbing heat from
another load.
Some wiring alteration may
be required to divorce both
of these functions from
thermostat control in favour
of more effective control from
the IBC boiler.
NOTE
Full sized and more detailed
application drawings can be
downloaded from our web
site.
www.ibcboiler.com
8.0
Figure 2: Generic Boiler Piping Schematic – Zoned by Circulator
Figure 3: Generic Aquastat Wiring – Aquastat Opens on Temperature Rise
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