18
.
4.42
Katherm QK nano –
Ultra-small trench heater with EC tangential fan
Ready-to-install convector-based floor trenches
Assembly and installation instructions
Cabling - Room thermostat control, type 342924
* Lay shielded cables (e.g. IY(ST)Y, 0.8 mm), separately from high-voltage cables.
W1: Power supply
W2: Control signal for fan and actuator
W3: Operating mode changeover (optional)
Subject to technical modifications: Refer to the control accessory documentation
in the event of deviation from the circuit diagrams!
Max. 10 units can be operated
in parallel
Tr
ench heating
Katherm QK
nano 230 V /
0-10 VDC
Tr
ench heating
Katherm QK nano
230 V / 0-10 VDC
Mains power
230 V
AC
Fuse by others
Room thermos
-
tat type 342924
Exter
nal N/O
Day / Eco changeover
actuator type
146906
actuator type
146906
