Vitocal 100-S/200-A/200-S/300-A Controller And Sensor Pcb - Viessmann VITOTRONIC 200 Service Instructions Manual

PCBs and connection options
Vitocal 222-G/333-G luster terminals
Terminals Function
X3.8
X3.9
Pressure switch, primary circuit
P
and/or
Frost stat
or
Jumper
X40.L1 Heat pump control unit power supply:
Phase L1
X40.
?
X40.N Neutral conductor terminal

Vitocal 100-S/200-A/200-S/300-A controller and sensor PCB

X2
X3
sVA
F20
F21
J3
J4
X18
F23 F14
F26 F16
Fig. 72
F.. Connections for temperature sensors: See the
following table.
J3 Jumper for Modbus 2 terminator
Terminator active
Terminator not active
J4 Jumper for setting master/slave, Modbus 2
Heat pump control unit is slave.
Heat pump control unit is master.
X2 Connection, power supply to main PCB
X3 Connection, connecting cable to main PCB
X15 Internal connection, KM-BUS
300
(cont.)
Earth conductor terminal
X20
X31
F12 F4
F13 F27
F7 F8
F11 F6
Explanation
Requires floating contact:
Closed: Safety chain has continuity
■
Open: Safety chain interrupted; heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
■
Connected in series if 2 safety components are instal-
■
led
Insert jumper if no safety components are instal-
■
led.
Power supply 230 V~
1
F0
20
X24
aVG
X18 Modbus 1 connection: Viessmann appliances,
e.g. outdoor unit
If other Viessmann appliances are to be con-
nected, use the Modbus distributor (accesso-
ries).
X20 Programming unit connection
X24 Slot for LON communication module
X25 Connections for sensors and components
Connections for connecting cable (LV) to
the heat pump control panel or wiring
chamber
X31 Slot for coding card
KM-BUS
aVG