Viessmann Vitocal 350-A Installation And Service Instructions Manual page 91

Electrical connections in the heat pump control...
Appliance
Heating circuit pump for heating
circuit without mixer A1
(max. 100 W)
Secondary pump
(max. 130 W)
Heating circuit pump for heating
circuit M2 with directly controlled
mixer motor without KM BUS
(max. 100 W)
Heating circuit pump for heating
circuit with mixer M3
Solar circuit pump (collector
pump)
See Vitosolic installation instruc-
tions
DHW circulation pump
(max. 50 W)
Circulation pump for DHW
reheating; not possible in con-
junction with an immersion
heater EHE for a DHW cylinder
(see pages 34, 48)
(max. 100 W)
Connection Required parameters:
Parameter Ó setting
2X7.9 "System definition"
1X1.? ■ "System diagram" Ó with
1X2.N heating circuit A1
(see page 44)
2X8.7 "System definition"
1X1.? ■ "System diagram" Ó "1" to
1X2.N "11"
(see page 44)
2X8.11 "System definition"
1X1.? ■ "System diagram" Ó with
1X2.N heating circuit M2
(see page 44)
Plug sÖ "System definition"
■ "System diagram" Ó with
in extension kit
(see page 45)
heating circuit M3
at "R1" of the No parameters need to be set
Vitosolic
(see page 38)
2X7.11 "System definition"
1X1.? ■ "Switching times aux. out-
put" Ó Setting switching
1X2.N
(see page 48) times
2X8.13 "Ext. heat source"
1X2.N ■ "Ext. heat source" Ó Yes
(see page 44) ■ "Ext. HS for DHW" Ó Yes
Installation sequence
(cont.)
91