80
Plug
sYA
Terminals
Function
Explanation
211.4
M
r
M
■ 3-way diverter valve for
"Heating/DHW heating"
■ Circulation pump for cylin-
der heating
■ Cylinder loading pump
■ 2-way shut-off valve
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
In type BWC, the circulation pump for
cylinder heating is connected at the fac-
tory.
211.5
NC/AC
Cooling control
NC function (natural cool-
ing)
Circuit on site
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Plug
sYS
Terminals
Function
Explanation
212.1
AC
AC
Cooling control
AC function (active cool-
ing)
Circuit on site
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
212.2
A1
Heating circuit pump for
heating circuit without mixer
(A1/HC1)
■ This pump is connected in addition to
the secondary pump if a heating water
buffer cylinder is installed.
■ Connect a temperature limiter to restrict
the maximum temperature for under-
floor heating circuits (if installed) in ser-
ies (see following chapter)
Installation sequence
Electrical connections
(cont.)
5609 667 GB
