Viessmann Vitocal 350-A AWHI 351.A14, Installation And Service Instructions Manual

Page: 73 / 140

73
2. Measure the temperature of the compressor casing
exterior while it is in operation.
The compressor must not develop a layer of ice on
its outside, and the casing must not get hotter than
60
°
C (if necessary, check with Viessmann techni-
cal service).
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. 68
■
Manually switching some appliance components dur-
ing commissioning enables the control unit to display
messages. These messages are not appliance
faults.
Commissioning, inspection, maintenance
Checking the compressor casing temperature
(cont.)
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