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Technical Description
22
Display and Operating Elements
REFUsol 50K-3T
982081 | 03 | 2021-03
1
Radio ripple control receiver connected to RS485
2
Power reduction (0 % 30 %, 60 % und 100 %)
3
RS485/USB adapter for service to a PC
4
Ethernet or WiFi interface for data logging
3.7 Display and Operating Elements
Fig. 19: LCD display with keys and status-LED
3.7.1 Keys
3.7.2 Status-LEDs
ESC
OK
ERROR
ON
GROUND
FAULT
Today
Total
Power
kWh
kWh
kW
100%
6
9
12
18
15
21
V
A
V
A
7
1
2
3
4
5
6
8
Status-LED
1
Ground-fault detection
2
Normal operation (On)
3
Alarm/fault
4
OK key: Confirm selec
-
tion or value
5
∨
key: Menu level downwards
6
∧
key: Menu level upwards
7
ESC key: Cancel or return
8
LCD display
Key
Description
OK
Return to the previous menu or open up the main
menu via the standard display
∧
One menu level up
∨
One menu level down
ESC
Select or confirm the value
Status-LED Operating status Description
GROUND
FAULT,
red
on
GFI error, ground fault de
-
tected
off
no GFI error