7
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.
N = Neutral
L = Live
S = Boiler switch output
R = Boiler switch return
Zone/Heating control basic
layout
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.
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.
To Pump
and Boiler
2 Port spring return
motorised valve with
auxiliary end switch
Switch live from
programmer or mains
feed from wiring
centre (fused 3 Amp)
Internal
Electronics
230V ~ 50Hz
COMM OFF ON
230V ~ 50Hz
Internal
Electronics
230V ~ 50Hz
COMM OFF ON
230V ~ 50Hz
Содержание RT322
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