Instruction Manual

8
Typical combi boiler system
with built in timer
This diagram shows a typical
receiver and combination
boiler installation, where the
external boiler control is
connected via switching
terminals (a link may have to
be removed on the boiler
switching control terminals).
Mains supplies to both the
receiver and the boiler are
omitted for clarity. Please
consult the boiler
manufacturers installation
handbook before commencing
any installation work.
Mains supplies to both the
receiver and the boiler are
omitted for clarity. Please
consult the boiler
manufacturers installation
handbook before
commencing any
installation work.
This diagram shows a
receiver used in a
conventional fully pumped
system using a 2 port
spring return zone valve
with auxiliary switch to
control the pump and boiler.
Please note: hot water
control will need to be
controlled by the use of a
programmer or time switch.
Zone / Heating control
basic layout