Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 92

Installation sequence
Electrical connections
Appliance
Vitosolic 200
Motorised two-way valve
and cylinder primary pump
(DHW side, DHW heating
with primary store system;
both components to 224.6)
Cooling functions
■ For PCB locations (terminal and plug
markings), see from page 75.
■ For examples of connecting the cool-
ing function, see system examples
from page 44.
■ For connections of cooling function to
main PCB with extension, see
page 221.
For connection of all ? and N cables
to cross connect PCB, see page 225
Cooling function
Natural cooling with extension kit without mixer
NC signal (230 V~)
92
(cont.)
Connection
aVGÓ aVG
aVGÓ aVG
224.6
X2.N
X1.?
(Pos. eZ/eE side)
■ For all sensor connections to the con-
troller and sensor PCB, see
page 228.
■ For parameter settings, see from
page 171.
Connection
211.5ÓX2.4
X2.NÓX2.3
X1.?ÓX5.?
Required parameters:
Parameter Ó setting
"Solar"
■ "Solar control unit type
7A00" Ó "2"
"System definition"
■ "System scheme 7000" Ó
with DHW heating
Required parameters:
Parameter Ó setting
"Cooling"
■ "Cooling 7100" Ó "1"
■ "Cooling circuit 7101" Ó
"1" (heating circuit A1)
or
"Cooling circuit 7101" Ó
"2" (heating circuit M2)
or
"Cooling circuit 7101" Ó
"3" (heating circuit M3)
or
"Cooling circuit 7101" Ó
"4" (separate cooling circuit)