18
Connections at plug 230 V~
sÖ
Boiler circuit pump or heating circuit
pump, variable speed with 0 - 10 V
connection
sA
Circulation pump, optional connec-
tion:
■ DHW circulation pump
■ External heating circuit pump
■ Circulation pump for cylinder
heating
fÖ
Power supply
lH
■ Power supply for accessories
■ External demand/blocking
■ Vitotrol 100 UTA
■ Vitotrol 100 UTDB
■ Vitotrol 100 UTDB-RF
Connections at LV plug
!
Outside temperature sensor
?
Flow temperature sensor for low
loss header (accessories)
%
Cylinder temperature sensor (part
of the DHW cylinder connection
set)
aVG
KM BUS subscriber (accessory)
■ Vitotrol 200A or 300A remote
control
■ Vitocom 100
■ Extension kit for one heating cir-
cuit with mixer
■ Solar control module, type SM1
■ Vitosolic
■ Extension AM1
■ Extension EA1
■ Wireless base station
Information on connecting
accessories
When connecting accessories
observe the separate installation
instructions provided with them.
Circulation pump at plug
sÖ
:
A
1~
M
sÖ
L N
?
x4
B
A
Circulation pump
B
Only with variable speed heating cir-
cuit pump:
Plug in 0 - 10 V connection at X4.
Rated current
2(1) A~
Rated voltage
230 V~
Installation sequence
Electrical connections
(cont.)
5623 520 GB
Содержание Series B2HA 40
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