Katherm HK

7*

W1

GND

VKGND

7

GND

VH4

Uc

24V

65321

GND

2

GND

Uc0-

10V

1

24V

24V

3

GND

GND

4

VH

VH

5

GND

GND

7

VK

VK

6

GND

3

GND

Q1

Q1

1

24V

24V

2

Q3

Q3

Q2

Q2

4

GND

GND

Q2

Q2

Q1

Q1

22 3 4

24V

24V

3 74

1111

0,6 3

A

W2

W1

25*

Q3

Q3

425

GND

GND

6

7*

Trench convectorKatherm HKUnit no. 124 V / Electromech.

- Optional -ActuatorCoolingType 146906

ActuatorHeating/coolingType 146906

24 V = Supply voltageGND = GND (Earth)UC = Fan speed 0..10 V DCVH = Heating actuatorVK = Cooling actuator

W1: On-site fuse (0.63 A)

Junction boxQ3 by others

Central voltage supply24 V DC on site

Clock thermostat type 30456Automation stationincluding centralpower supply(24VDC)

2-pipe: Q1 = Heating/cooling actuatorQ2 = ---Q3 = Fan speed

4-pipe: Q1 = Heating actuatorQ2 = Cooling actuatorQ3 = Fan speed

* 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.

Electrical cabling - Control via clock thermostat, type 30456

Katherm HK

Electrical cabling - BMS control

* Lay shielded cables (e.g. IY(ST)Y, 0.8 mm) separately from power cables. W1: Voltage supply (fuse by others) W2: Control signal for fan and actuator


6*

W2

GND

VKN6

VHN3

YUB

5421

Y

2

Y

GND

GND

1

VH

VH

3

N

N

4

VK

VK

5

N

N

6

3

W1

NPE L

1 2 3

Mains power 230 VACFuse

by othersTrench convectorKatherm HKUnit no. 1230V / Electromech.



Automation station

W1: Fuse by others

Y = Speed signal 0..10 V DCGND = GND (Earth)VH = Heating actuator 24 V ACVK = Cooling actuator 24 V ACN = Neutral wire

Katherm HK

Electrical cabling – Control via clock thermostat, type 30155

W1: Voltage supply (fuse by others)W2: Voltage supply, control signal for fan and actuator W3: Voltage supply, control signal for fan and actuator


9

W2

GND

VKN9

VHN6

YUB

8754

1

4

N

2

N

3

4

L

5

3

N

2

6

VK

7

5

VH

9

3

W1

NPE L

1 2 3

8

8

7

7

10

GND

4

9

Uc

5

9

W3


by othersTrench convectorKatherm HKUnit no. 1230V / Electromech.



Room thermostatType 30155L = 230 V AC voltage supply

N = Neutral wireVH = Heating actuator 230VACVK = Cooling actuator 230VACUC = Speed signal 0..10VDCGND = GND (Earth)

Katherm HK

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 0.22W1: Digital input 1 (optional)W2: Digital input 2 (optional)W3: Digital input 230 V AC (optional)W4: Power supplyW5: Control signal for valvesW6: Control signal for the fan

2*

W2

1

GND

2

20-

10V

1

N VH

3 1

PE L

1 2

1 2 1 2

VKN N

3 4 2

YGN

D

2 1

4

A2

1

5

A1

2

8

N

2

7

L

36

L22

12

E2

11

E2

1

2*

W1

1 22

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

VKN N

3 4 2

YGN

D

2 1

W6

2 2*

3 2 2*


by others

Digital input 1Potential-free contact e.g.

window contact presence detector

Keycard switch H/C

Eco/Day changeover Fault alerts

or

External room sensorNTC 10K

Digital input 2 *1

Potential-free contact e.g. window contact

presence detectorKeycard switch

H/C Eco/Day changeover

Fault alerts

Digital input 230 V AC

e.g.window contact

presence detectorKeycard switch

H/C Eco/Day changeover

Fault alerts

Trench convectorKatherm HK

Unit no. 1230V / Electromech.

Climate Controller230 V / 50 Hz / <3 VA / 0-100 V DC

Trench convectorKatherm HK

Unit no. 2230V / Electromech.





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**.

Katherm HK

Documents

Katherm HK