Afriso EURO-INDEX OWWG 3, Operating Instructions Manual

Page: 48 / 135

– German – Product description
ÖWWG 3 9
3 Product description
3.1 Scope of delivery
•
Control unit with integrated LEDs and a buzzer with mute facility
• PTC thermistor probe
3.2 Properties
The ÖWWG 3 oil/water alarm unit consists of a fail-safe, self-moni-
toring control unit with periodic self-test and a probe. The control unit
and the probe are connected by means of a two-wire signal cable.
Depending on the order, the control unit is equipped with an
EnOcean ® wireless module. Products without an EnOcean ® wireless
module can be retrofitted
Probe
A PTC thermistor is contained in the probe head. During operation,
the PTC thermistor is heated and can distinguish between gaseous
and liquid media due to the different heat dissipation.
The probe is a wearing part and must be replaced after no more than
ten years.
1 Cable
2 Brass weight
3
Probe
4 Fastening
5 PTC thermistor
Fig. 1: Probe