37
Plug
sYS
Terminals
Function
Explanation
212.1
AC
Switching the active cooling
function
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.
Connection values
■ Output: 100 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
212.3
DHW circulation pump
Connection values
■ Output: 50 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
212.4
3-way diverter valve for
heating water buffer cylin-
der bypass or heat pump in
the case of dual alternative
mode
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Installation sequence
Electrical connections
(cont.)
5546 267 GB
Installation
Содержание 7514659
Страница 30: ...30 Installing the programming unit 2x 3 2 1 Installation sequence Electrical connections 5546 267 GB...
Страница 67: ...67 A Installation sequence Checking diaphragm grommets cont 5546 267 GB Installation...
Страница 84: ...84 Overview of electrical components Type BW 351 A18 D L K H G F E C B A Troubleshooting Repairs 5546 267 GB...
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