13
What Does It Do?
This is an external input which can be used to trigger a boost or enable/disable heater
outputs.
The External Boost input is the 2-terminal connector labelled EX BST. Any AC voltage from
24V to 240V present on these terminals will be recognised by the immerSUN.
EXTERNAL BOOST
Disabled
Boost Heater
Heater Thermostat
EXTERNAL BOOST
Disabled
Boost Heater
Heater Thermostat
Boost Heater
The selected heater(s) will be
boosted whenever the
EX BST
signal is present. If more than one
heater is selected, the heaters will
be boosted sequentially in the
priority order.
Heater Thermostat
The
EX BST
input will act as a
thermostat for the selected
heater(s). The heater output will
only be active when there is a
signal at the
EX BST
input,
otherwise the heater will show as
HOT on the main screen.
External Boost Input
EX BST
External Boost Input
24 – 240VAC Sense Input
This input is isolated
EXTERNAL BOOST
HEATER THERMOSTAT
Heater 1
Heater 2
EXTERNAL BOOST
HEATER THERMOSTAT
Heater 1
Heater 2
ADVANCED SETTINGS
External Boost
ADVANCED SETTINGS
External Boost
MAIN MENU
Advanced Settings
MAIN MENU
Advanced Settings
Disabled
A voltage at EX BST will have no
effect, the input is disabled.
EXTERNAL BOOST
BOOST HEATER
Heater 1
Heater 2
EXTERNAL BOOST
BOOST HEATER
Heater 1
Heater 2
Summary of Contents for automatic power controller
Page 1: ...1 ENGLISH Installation User Guide V1 2...
Page 11: ...11 Advanced options...
Page 24: ...Setup...
Page 25: ...25 Wiring diagrams...
Page 36: ...36 Wiring Dual Tariff Single Meter...
Page 44: ...44 4eco Ltd Church View Business Park Binbrook Lincolnshire LN8 6BY England 44 0 1472 398838...