Operating instructions

127
Controller and sensor PCB
F6
F7
F0
F2
F3
F4
L
O
N
X31
aVG
F21
F23
F18
F20
F16
F17
F13
F14
F11
F12
F8
F9
193d
F.. Plug for sensor
LON Slot for LON module
"X31" Coding card slot
aVG
KM BUS
a:Dc
Control connection (pulse width
modulation PWM)
Sensors
Plug Sensor Type
F0 Outside temperature sensor
Connect on site
Ni 500
F2 Flow temperature sensor, primary circuit
Factory connection
Pt 500
F3 Return temperature sensor, primary circuit
Factory connection
Pt 500
F4 Buffer cylinder temperature sensor
Connect on site
Pt 500
Connection and wiring diagrams
Overview of the PCBs and connection options
(cont.)
5441 603 GB
Service