Checking The System Function; Instructing The System User - Viessmann VITOCAL 242-G Installation And Service Instructions Manual

Commissioning the system
Parameters for ice store system
Parameter
"System definition"
Ó
"Select primary source 7030"
"External extension 7010"
"Solar"
Ó
"Type solar control unit 7A00"
Possibly set additional parameters.
"System definition"
Ó
"Start hysteresis solar air absorber 7031"
"Min. runtime to suppress summer mode 7035"
"Last calendar week for summer mode 7036"

Checking the system function

■ Check the function of all system components, e.g.
circulation pumps, 3-way diverter valves.
Scan temperatures at the heat pump control unit.
■
Possibly check heat meter readings.
■
Resetting the high limit safety cut-out
!
Please note
If the heat pump is exposed to temperatures
below 15 °C, e.g. during storage or transport,
–
the high limit safety cut-out of the instantaneous
heating water heater may respond.
Heat up high limit safety cut-out to above 20 °C
and press the high limit safety cut-out reset but-
ton (see Fig. 40).

Instructing the system user

The system installer should hand the operating instruc-
tions to the system user and instruct the user in oper-
ating the system.
This includes all components installed as accessories,
e.g. remote control units. In addition, the system instal-
ler must make the user aware of the required mainte-
nance work.
Commissioning, inspection, maintenance
(cont.)
Setting
"1"
"2"
"2"
"0" to "500" (
"0" to "1440" min
Calendar week "1" to "53"
A
Fig. 40
Reset button
A
≙
0 to 50 K)
51