ST15: Load pump M1
ST16: Flue gas fan (1-level)
ST16: Flue gas fan (2-level)
ST21: Capacitor C1 (optional for cleaning)
ST25: Power supply 230V~
KL1: N- Load pump M1
KL2: PE- Load pump M1
KL3: L- Load pump M1
Use an adaptable silicone-covered cable with cable cross-
section of 0.75 mm².
KL1: N- Flue gas fan
KL2: PE- Flue gas fan
KL3: FREE
KL4: L- Flue gas fan
Use an adaptable silicone-covered cable with cable cross-
section of 0.75 mm².
KL1: L- Flue gas fan
KL2: PE- Flue gas fan
KL3: N1- Flue gas fan (low speed)
KL4: N2- Flue gas fan (high speed)
Use an adaptable silicone-covered cable with cable cross-
section of 0.75 mm².
KL1: Capacitor C1
KL2: Capacitor C1
Optional capacitor C1 for speed reduction when cleaning
the flue gas fan. This capacitor is on the plug board.
Caution! If a capacitor C1 is installed, it is not possible to
connect a 2-level flue gas fan.
Power supply
230V~ +/-10%
50Hz
KL1: N- Power supply
KL2: PE- Power supply
KL3: L- Power supply
Please, be mindful of the right
connection.
Fuse protection of the power supply with 10A max.
Use an adaptable silicone-covered cable with cable cross-
section of 1.5 mm².
Load capacity of the plugs: I
max
=10A.
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