36
Plug
Sensor/component
Type
F0
Outside temperature sensor
NTC 10 k
Ω
F4
Buffer temperature sensor
NTC 10 k
Ω
F6
(X25.5/X25.6)
Top cylinder temperature sensor
NTC 10 k
Ω
F7
(X25.7/X25.8)
Cylinder temperature sensor, bottom
NTC 10 k
Ω
F12
Flow temperature sensor, heating circuit with mixer M2/HC2
NTC 10 k
Ω
F13
System flow temperature sensor (downstream of the buffer cylinder and mix-
er for external heat generator)
NTC 10 k
Ω
F14
Flow temperature sensor, cooling circuit: Heating circuit without mixer
A1/HC1 or separate cooling circuit SKK
NTC 10 k
Ω
F16
Room temperature sensor, cooling circuit
■
Required for separate cooling circuit SKK
■
Recommended for heating/cooling circuit without mixer A1/HC1
NTC 10 k
Ω
F20
Boiler water temperature sensor, external heat generator
NTC 10 k
Ω
aVG
KM-BUS (wires interchangeable)
Use the KM-BUS distributor (accessories) if several devices are connected.
KM-BUS subscribers (examples):
■
Mixer extension kit for heating circuit M3/HC3
■
Remote control (set heating circuit allocation on the remote control)
■
EA1 extension, AM1 extension
—
sVA
Modbus (do
not
interchange the wires), e.g. connection for energy meter of
photovoltaic system
—
J1
Jumper for Modbus terminator
Terminator active (delivered condition)
Terminator not active
—
X18
Modbus (do
not
interchange the wires), e.g. Vitovent 300-F
Note
If several appliances are to be connected, use the Modbus distributor (acces-
sories): See "Modbus distributor" installation instructions.
—
X24
Connection for LON communication module: See "LON communication mod-
ule" installation instructions
—
X31
Coding card slot
—
a:D
D
Connection, PWM signal, solar circuit pump
—
Note
Flow temperature sensor for heating circuit with
mixer M3/HC3: The flow temperature sensor for one
heating circuit with mixer M3/HC3 is connected to the
mixer extension kit (accessories).
Installation sequence
Electrical connection
(cont.)
6153640
Installation