Olsberg CTSC Installation Manual page 33

Alternative connection mode utilising conversion kit (accessory)
Rotary current 3/PE~230V for 2 – 7kW
B1 Supply board
B2 User board
B3 Core sensor
B4 Room sensor
B5 Charge control
B6 Hot air limiter
E1 Heating elements
F1 Limiter
K1 Thermal relay
M1 Ventilator
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