User manual
5 Abbreviated Operating Instructions
Structure
coolcept/coolcept³
1 Hood
2 Display (monochrome, 128 x 64 pixels)
3 Type plate, serial number, warning notices
4 Operating buttons: ESC, , , SET (from left to
right)
5 RJ45 sockets (2 x RS485 bus)
6 AC connection
7 DC connection, Minus (−) for solar module
8 DC connection, Plus (+) for solar module
9 DC connection, Plus (+) for optional energy storage
system
10 DC circuit breaker (interrupts the plus and minus in-
puts simultaneously)
11 RJ10 socket (Modbus RTU)
12 RJ45 socket (LAN)
13 DC connection, Minus (−) for optional energy stor-
age system
coolcept-x/coolcept³-x
1 Hood
2 Display (monochrome, 128 x 64 pixels)
3 Type plate, serial number, warning notices
4 Operating buttons: ESC, ,, SET
5 AC connection
6 Pressure equalisation membrane
7 RJ45 socket (RS485 bus)
8 DC connection, Minus (−) for solar module
9 RJ45 socket (RS485 bus)
10 DC connection, Plus (+) for solar module
11 RJ45 socket (LAN)
12 DC circuit breaker (interrupts the plus and minus in-
puts simultaneously, can be secured with a padlock)
13
Hole for optional ground or mechanical fastening
(safety chain)
Abbreviated Operating Instructions
6 Abbreviated Operating Instructions
Display
Example status display of the output power:
1 Display label
2 Measurement with units
3 Date
4 Symbol Non-confirmed event messages
5 Animated symbol Connect (indicates data traffic on
the RS485 bus)
6 Symbol Derating
7 Symbol Fixed voltage mode activated
8 Time
9 IP address of the device when a network connection
has been established, display alternates with ③ – ⑦
Operating buttons
Button
Action
Function
General information Guided configuration process
ESC
Press briefly Jumps up by 1 menu level Navigates 1 step back
Discards changes
Press longer
(≥ 1 second)
Jumps to status display Jumps to the start of the
guided configuration process
Press briefly
Moves the selection bar or the display content upwards
Moves the selection 1 position to the left when entering numeric
values
Increases the setting value by 1 step
Press briefly
Moves the selection bar or the display content downwards
Moves the selection 1 position to the right when entering numeric
values
Decreases the setting value by 1 step
SET
Press briefly Jumps down by 1 menu level -
A selected numerical value starts flashing and can be changed
Accepts any entered changes
Changes the state of a control element (check box/radio button)
Press longer
(≥ 1 second)
Answers a query dialogue with Yes
Navigates 1 step forward
Output power
7 Abbreviated Operating Instructions
Menu structure
Errors are indicated by a red flashing background. An event message is also displayed at the same time.
For detailed information on the menu structure and event messages, see:
http://www.steca.com/Wechselrichter-Wohnsiedlung
8 Abbreviated Operating Instructions
Example: Numerical and graphical display of the monthly yields
The status display is shown.
1. Press SET. The main menu is displayed with Yield selected.
2. Press SET. A list of yield periods (Day, Month, Year) is displayed.
3. Press to select a yield period.
4. Press SET. The individual yields for the yield period are shown in
a list (Fig. left).
5. Press to select an individual yield.
6. Press SET. The selected individual yield is shown in a chart
(Fig. left).
7. Press to page through the charts.
8. Press SET to return to the list.
9. Yields can also be displayed as monetary values (remuneration)
(see menu structure).
The following data is stored in the inverter:
Event messages with date
Energy yields on a daily, monthly and annual basis
Energy yield data Storage resolution/period
10-minutes values 31 days
Daily values 13 months
Monthly values 30 years
Annual values 30 years
Total yield Permanent
Data communication
For data analysis purposes, the inverter can provide a wide range of data via the RS485 and LAN data
interfaces (e.g. data logger). Multiple inverters can be interconnected via the RS485 bus.
For detailed information on data communication, see:
http://www.steca.com/Wechselrichter-Wohnsiedlung
System monitoring
Registration of the operator and the system in the StecaGrid portal at:
http://www.steca.com/portal
Care/Maintenance
Remove dust with compressed air (max. 2 bar).
Remove soiling with a slightly damp cloth (clear water or a 2% hard soap solution).


