22
EN
Connecting the sensor cables
Required tools: Flathead screwdriver
Attention! Ensure that the control unit has no power.
The cable is connected to the X2 connector, that can be removed from the circuit board. This plug
should be removed so that the cables can be connected easily and safely. When the cable is con-
nected, the connector is plugged back onto the circuit board.
Sensor
Limiter
weiß / white
rot / red
Bankfühler (optional)
Auxiliary sensor (optional)
Feuchtefühler (optional)
Humidity sensor (optional)
X2
Ub
G
E
KTY
STB
STB
KTY
Connecting the lines for the sensor and protective temperature limiter
1. Connect the red cable for the temperature sensor from the heater sensor to the 2 „
KTY
“
terminals.
2. Connect the white cable for the safety temperature limiter from the heater sensor to the 2
STB
terminals on the lower main circuit board.
Caution! Do not overtighten the clamps, do not apply excessive force.
.
See also chapter „Temperature sensor, pages 14-15.
NOTICE
Equipment damage due to improper installation
Connect the safety temperature limiter (STB) as instructed in the manual.
• Only connect the safety temperature limiter (STB) to the „STB“ terminals on the main board.
The control unit may be damaged if the STB and sensor lines are interchanged.
.
• Always connect the safety temperature limiter (STB) as an isolated contact.
• If the installation uses multiple sauna heaters, multiple safety temperature limiters may be
required. Observe the separate EOS instructions.
