12. Wireless probes
12.1
Installation and
electrical
connections
For installations where standard wired probes can not be used, (for example, modifications to existing
systems), wireless probes can be used. These are connected via a device called an access point (Carel P/N:
WS01AB2M20), for up to four wireless probes. The Carel wireless probes available are for room
installation (WS01G01M00) or industrial applications (WS01F01M00), both of which measure humidity and
temperature. Installation diagram (with four wireless room probes):
Fig.12.a
Key:
1. gaSteam humidifier;
2. humidifier/access point connection;
3. Access point;
4. Wireless probes for measuring temperature and humidity;
gaSteam/access point connection:
To connect the humidifier to the access point, use the Fieldbus connection on terminal M3 (M3.1: Tx/Rx-,
M3.2: Tx/Rx +, M3.3: GND):
Fig.12.b
Note: the devices have a range of around a hundred metres in a free space, i.e. without any obstacles.
In a closed space, the range varies considerably depending on the type of environment and the
surrounding objects (shelves, metal partition walls etc.).
If installing multiple wireless probes, the controller will calculate the weighted average between the
various probe readings, depending on the settings made by the user and the defined probe groups. Also
see the paragraph “Wireless probes”. The controller also displays (locally only) the battery and signal level
for each probe (screens D05 to D08). The table below shows the part numbers and descriptions of the
Carel devices that can be used:
P/N Model Characteristics Power supply
WS01F01M00 SI sensor Temperature/humidity for industrial use Battery
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