Commissioning The System - Viessmann Vitocal 200-G Series Installation And Service Instructions Manual

Checking the electrical connections for firm seating
Danger
Contact with live components can lead to seri-
ous injury from electric current. Some compo-
nents on PCBs remain live even after the power
supply has been switched off.
Never touch the wiring chambers (for heat
■
pump control unit and power supply connec-
tions).
■ When working on the appliance, isolate the
system from the power supply, e.g. at a sepa-
rate MCB/fuse or a mains isolator. Check the
system is no longer live and safeguard against
reconnection.
Prior to working on the appliance, wait at
■
least 4 min until the voltage has completely
dropped out.
Switching on the main MCB/fuse

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.
Commissioning, inspection, maintenance
!
Please note
Air bubbles in the secondary circuit can destroy
the instantaneous heating water heater.
Completely fill and vent the heating system
before commissioning the heat pump.
55