Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 86

Installation sequence
Electrical connections
Appliance
Circulation pump, separate
cooling circuit with AC cool-
ing
(max. 10 W)
Solar circuit pump R1 (col-
lector pump, DHW)
See Vitosolic installation
instructions
DHW circulation pump
(max. 50 W)
Primary pump
(max. 200 W)
Well pump control
(max. 200 W)
Note
Parallel connection with pri-
mary pump
Circulation pump for DHW
reheating
(max. 100 W)
Solar circuit pump for heat-
ing up the heating water buf-
fer cylinder R4
86
(cont.)
Connection
212.1
X1.?
X2.N
at "R1" of the
Vitosolic
212.3
X1.?
X2.N
211.1
X1.?
X2.N
211.1
X1.?
X2.N
224.7
X2.N
at "R4" of the
Vitosolic
Required parameters:
Parameter Ó setting
"System definition"
■ "System scheme 7000" Ó
"0" to "10"
"Cooling"
■ "Cooling 7100" Ó "3"
■ "Cooling circuit 7101" Ó "4"
No parameters need to be set
Extended menu:
"DHW circ time prog" Ó Set-
ting switching times
No parameters need to be set
No parameters need to be set
"Ext. heat source"
■ "External heat source
7B00" Ó 1
■ "External heat source for
DHW 7B0D" Ó 1
No parameters need to be set