Viessmann Energy meter - Switching the Power on; Display Elements; Instructing the System User

12
1. Check whether all electrical connections have
been correctly made.
2. Commission the photovoltaic modules and inverter.
Photovoltaic module installation and service
instructions
and
Inverter installation and service instructions
3. Switch ON the power supply. The energy meter
runs through an initialisation process. During this
process, the red LED flashes for 20 seconds.
Initialisation process successful:
Red LED is extinguished.
Initialisation process unsuccessful:
Red LED
illuminates continually. For remedial
measures, see chapter "Fault messages" on
page 13.
Display elements
S
1 2 3 4 5 6 7
8 9 10
1112
13
14
1516
17
181920
2122
23
24
2526
N
L1 L2
L3
1
2
Fig. 7
Interpreting the LED indicators
LED LED meaning Remedy
1
Green Flashes Indicating effective power:
The LED flashes once every 10 Wh.
OFF Immersion heater not connected. See page 13
2
Green Flashes Indicating apparent power:
The LED flashes once every 10 Wh.
OFF Immersion heater not connected. See page 13
No function
Red Flashes During the initialisation process at the first start-up:
LED flashes for 20 s
Wait until initialisation
process has been
completed.
OFF Initialisation process has been completed successfully.
ON Error during initialisation process See page 13
Green ON Energy meter is ready for operation.
Instructing the system user
Instruct the system user on how to operate the energy
meter in conjunction with the heating system as a
whole.
The instructions must cover the following points:
■
Operation of the energy meter
■
What to do in the event of a fault: Isolate the appli-
ance from the power supply. Notify your local heating
contractor.
Further information:
"Energy meter" operating instructions
Commissioning
Switching the power ON
5678 581 GB
Service