23
Katherm QK -
Trench convector with energy-efficient EC tangential fan
1.42
Ready-to-install convector-based trench convectors
Assembly and installation instructions
Electrical cabling – Control via room thermostat, type 342924
* Lay shielded cables (e.g. IY(ST)Y, 0.8 mm) separately from power 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!
Tr
ench convector Katherm QK
24
V
/ 0-10
VDC
Max.
10 units can be
oper
ated in par
allel
Tr
ench convector Katherm QK
24
V
/ 0-10
VDC
External N/O
Day/Eco changeover
Mains power
230 V
AC
Fuse by others
Actuator
Type 146906
Actuator
Type 146906
Room thermostat
Type 342924
