5.3 Normal Operation Display
The table below summarises the operation of the immerSUN. There are four main modes of operation:
Heating Water; Water Hot; Waiting and Hot Water Boost. The mode is shown on the LCD display, the
LED allows the mode to be determined from a distance.
The display changes every two seconds, showing the mode with additional information, the time and
date, and the savings in kWh.
Normal Operation
Mode & LED status
Mode Information
Time & Date
Savings
Description
Waiting...
●
Waiting...
4eco immerSUN
Waiting...
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
Waiting for sufficient exported
power to start heating water.
Heating Water
●○
Heating Water
Output: 2925W
Heating Water
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
Heating water with power from
PV system, no Grid power is
being used.
The current output power applied
to load is shown.
Heating Water
(Dual Heater Mode)
●○
Heating Water(2)
Output: 2925W
Heating Water(2)
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
Heating water with power from
PV system, no Grid power is
being used. Current heater is
show in brackets.
Water Hot
●
Water Hot
Water Hot
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
The water is fully heated, the
immersion thermostat is open.
Hot Water Boost
●○
Timed Boost
for: 1h 15m 25s
Timed Boost
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
Heating water at full power,
regardless of available export
power.
Hot Water Boost
(Dual Heater Mode)
●○
Timed Boost (2A)
for: 1h 15m 25s
Timed Boost (2A)
10:52 16/02/12
Today: 12.562kWh
Total: 5651kWh
Heating water at full power,
regardless of available export
power. Current heater is show in
brackets.
Cascade Mode
Slave Devices
Status Screen
Status of Slaves
HEAT WAIT ----
When Cascade Mode this screen will be
shown giving the status of all the slave
immerSUN devices in the system.
Status Abbreviations
HEAT : Heating Water
HOT : Water Hot
WAIT : Waiting for sufficient
export power
BOOS : Timed Boost
---- : No device detected
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