66
!
Please note
Operating the appliance with insufficient refriger-
ant results in appliance damage.
■
Before starting the appliance, the internal unit
and the refrigerant lines must be charged with
the indicated amount of refrigerant: See chap-
ter "Charging the refrigerant lines and internal
unit".
■
The refrigerant circuit must be checked for
tightness: See chapter "Checking the refriger-
ant circuit for tightness".
■
The fill valves on the external unit must be
open when the appliance is switched on: See
chapter "Charging the refrigerant lines and
internal unit".
Follow the sequence shown
1.
Switch ON external unit voltage.
2.
Wait 2 min.
3.
Switch ON internal unit voltage.
4.
Start internal unit at the ON/OFF switch.
Note
If the internal unit is switched on before the external
unit or the waiting time is shorter than 2 min, the fault
message
"0A Fault external unit"
appears.
"Vitotronic 200" service instructions
Commissioning the system
Commissioning (configuration, parameter settings and
function check) can be carried out with or without the
commissioning wizard (see following chapter and serv-
ice instructions for the heat pump control unit).
Note
The type and extent of the parameters depend on the
appliance type, on the selected system scheme and
the accessories employed.
Commissioning with the commissioning assistant
The commissioning assistant automatically guides you
through all the menus where settings have to be made.
For this, "Coding level 1" is automatically active.
!
Please note
Incorrect operation at "Coding level 1" may
result in damage to the appliance and the heat-
ing system.
Observe the service instructions for the
"Vitotronic 200", otherwise the appliance war-
ranty will be void.
Switch ON the ON/OFF switch on the control unit.
■
The prompt
"Start commissioning?"
appears
auto-
matically
on commissioning.
Note
The commissioning assistant can also be started
manually
:
To do this, press and hold
when switching on the
control unit (progress bar visible).
■
When the unit is first commissioned, the display is in
German.
Sprache
Dansk
Cesky
Bulgarski
Deutsch
Wählen mit
ê
ê
ç
DE
BG
CZ
DK
ê
ê
(
Fig. 62
■
Manually switching some appliance components dur-
ing commissioning enables the control unit to display
messages. These messages are not appliance
faults.
Commissioning, inspection, maintenance
Starting the heat pump
5790 931 GB
