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6.3 Internal / External Combination Boiler Wiring Details
6.3.1 Installer Terminals
Terminal Description
PERMANENT IN L AC Live Supply to the appliance
EARTH Protective Earth Supply to the appliance
NEUTRAL N AC Neutral Supply to the appliance
CONTROLS OUT L Fused output to AC Voltage Room Thermostat
CH SWITCHED IN L Switched Live from AC Voltage Room Thermostat
DHW SWITCHED IN L Switched Live from DHW Programmer (see note)
FLUE THERMOSTAT
AC Voltage connection for Flue thermostat
FLUE THERMOSTAT
OUTDOOR SENSOR
Low Voltage connection for optional Outdoor Sensor
OUTDOOR SENSOR
REMOTE CONTROL
Low Voltage connection for optional Remote Control
REMOTE CONTROL
Note: If Internal DHW programmer is used, leave white link connected between
CONTROLS OUT L & DHW SWITCHED IN L