Kampmann Katherm HK Series, Assembly And Installation Instructions Manual, Page: 34 / 84

34
1.43 Katherm HK
Ready-to-install trench heaters with EC tangential fan
Assembly and installation instructions
* Abgeschirmte Leitung (z. B. IY(ST)Y, 0,
8 mm), getrennt von Starkstromleitungen
verlegen
.
W1: Spannungsversorgung (Abischerung bauseits, 0,63A) und Steuersignal für Gebläse und Stellantrieb
7*
W1
GND
VK
GND
7
GND
VH
4
Uc
24V
6
5
3
2
1
GN
D
2
GN
D
Uc
0- 10
V
1
24
V
24
V
3
GN
D
GN
D
4
VH VH
5
GN
D
GN
D
7
VK VK
6
GN
D
3
GN
D
Q1 Q1
1
24
V
24
V
2
Q3 Q3
Q2 Q2
4
GN
D
GN
D
Q2 Q2
Q1 Q1
2
2
3
4
24
V
24
V
3
7
4
1
1 1
1
0,6 3A
W2
W1
2
5*
Q3 Q3
4
2
5
GN
D
GN
D
6
7*
Tr
ench convector
Katherm HK Unit no. 1 24 V / Electr
omech.
- Optional - Actuator Cooling Type 146906
Actuator Heating/cooling Type 146906
24 V = Supply voltage GND = GND (Earth) UC = Fan speed 0..10 V DC VH = Heating actuator VK = Cooling actuator
W1: On-site fuse (0.63 A)
Junction box Q3 by others
Central voltage supply 24 V DC on site
Clock thermostat type 30456
Automation station including central power supply (24VDC)
2-pipe:
Q1 = Heating/cooling actuator Q2 = --- Q3 = Fan speed
4-pipe:
Q1 = Heating actuator Q2 = Cooling actuator Q3 = Fan speed
Electrical cabling
-
Control via clock thermostat, type 30456
* Lay shielded cables (e.g. IY(ST)Y, 0.8 mm), separately from high-voltage cables.
W1: Voltage supply (on-site fuse, 0.64 A) and control signal for fan and actuator.
Important:
In the event of on-site valve control, the cooling valve must be closed
when the fans are switched off.