Sensor Well; Contactor Relay; Mating Plugs Fa And Lö; Lon Communication Module - Viessmann VITOPLEX 200 Type SX2A Technical Manual

Control units
(cont.)
Specification
Lead length
IP rating

Sensor well

Part no. 7819 693
R ½" x 200 mm

Contactor relay

Part no. 7814 681
Contactor in small casing.
With 4 N/C and 4 N/O contacts.
With terminal strip for earth conductors.
1 4
5
9 5
Mating plugs fA and lÖ
Part no. 7408 790
Required for an on-site burner without mating plug.

LON communication module

Part no. 7172 173
(Only for single boiler systems)
Electronics PCB for data exchanger with the heating circuit control unit
Vitotronic 200-H, Vitocom 300 and for connection to a higher level
building management system.

LON connecting cable for data exchange between control units

Part no. 7143 495
OIL/GAS BOILERS
Sensor type
5.8 m, fully wired Permissible ambient temperature
IP 32 to EN 60529; ensure – during operation
through design/installation – during storage and transport
For the cylinder temperature sensor, part of the standard delivery of
Viessmann DHW cylinders.
Specification
Coil voltage
Rated current (I
For the connecting cables, see section "Vitocom".
Cable length 7 m, fully wired (RJ 45).
Viessmann Pt500
0 to +90 °C
−20 to +70 °C
230 V~/50 Hz
) AC1 16 A
th
AC3 9 A
VIESMANN
11
69