38
1.43
Katherm HK
Ready-to-install trench heaters with EC tangential fan
Assembly and installation instructions
Electrical cabling – Climate controller actuation type 14894x
*
Lay shielded cables (e.g. IY(ST)Y, 0.8 mm), separately from high-voltage cables.
** Shielded, paired cables, e.g. UNITRONIC® BUS LD 2 x 2 x 0.22
W1: Digital input 1 (optional)
W2: Digital input 2 (optional)
W3: Digital input 230 V AC (optional)
W4: Power supply
W5: Control signal for valves
W6: Control signal for the fan
2*
W2
1
GN
D
2
2
0- 10
V
1
N
VH
3
1
PE
L
1
2
1
2
1
2
VK
N
N
3
4
2
Y
GND
2
1
4
A2
1
5
A1
2
8
N
2
7
L
3
6
L
2
2
12
E2
11
E2
1
2*
W1
1
2
2
10
E1
9
E1
1
3
W3
3
W4
2
W5
W4
W5
3
W4
3
2*
W6
W4
W5
W6
N
VH
3
1
PE
L
1
2
VK
N
N
3
4
2
Y
GND
2
1
W6
2
2*
3
2
2*
Mains power 230 V
AC
Fuse
by others
Digital input 1
Potential-fr
ee contact e.g.
window contact
pr
esence detector
Keycar
d switch
H/C
Eco/Day changeover
Fault alerts
or
Exter
nal r
oom sensor
NTC 10K
Digital input 2
*1
Potential-fr
ee contact e.g.
window contact
pr
esence detector
Keycar
d switch
H/C
Eco/Day changeover
Fault alerts
Digital input
230 V AC
e.g.
window contact
pr
esence detector
Keycar
d switch
H/C
Eco/Day changeover
Fault alerts
Tr
ench convector
Katherm HK
Unit no. 1
230V / Electr
omech.
Climate Contr
oller
230 V / 50 Hz / <3 V
A / 0-100
V DC
Tr
ench convector
Katherm HK
Unit no. 2
230V / Electr
omech.
- Optional - Actuator Cooling Type 146905
- Optional - Actuator Cooling Type 146905
Actuator Heating/cooling Type 146905
Actuator Heating/cooling Type 146905
Max. 4
units
can be
operated
in parallel.
*1)
Digital input 2 omitted with types 196000148943
and 196000148944.
Instead use Modbus interface with cable type 2**.
Summary of Contents for Katherm HK Series
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