Viessmann VITOPLEX 300 Type TX3A - Plug-in adaptor for external safety equipment; Function extension 0-10 V

41
66
80
Plug-in adaptor for external safety equipment
Part no. 7143 526
With cables (3.0 m long), plug
aVG
and
aBÖ
.
Up to 4 additional pieces of safety equipment may be connected, for
example:
■ Low water indicator
■ Minimum pressure limiter
■ Maximum pressure limiter
■ Additional high limit safety cut-out
The plug-in adaptor enables the fault (plain text) to be displayed in the
relevant control unit.
Further hook-ups:
■ Controlled external burner shutdown
■ External burner demand (stage 1)
■ Three external fault messages (e.g. pump, zero volt contacts)
260
84
217
Specification
Protection IP 20D to EN 60529; safe-
guard through appropriate
design and installation
Permissible ambient temperature
– during operation 0 to +40 °C
– during storage and transport
−20 to +65 °C
Function extension 0–10 V
Part no. 7174 718
KM BUS subscriber
Including cables equipped with plug
fÖ
and
aVG
.
217
130
84
Specification
Rated voltage 230 V ~
Rated frequency 50 Hz
Power consumption 1 W
Rated breaking capacity of the relay out-
put
4(2) A 230 V~
Protection IP 30 to EN 60529
safeguard through appro-
priate design and installa-
tion
Permissible ambient temperature
– during operation 0 to +40 °C
– during storage and transport -20 to +65 °C
Control units
(cont.)
OIL/GAS BOILERS
VIESMANN
67
5822 426 GB
11