73
Katherm HK
1.43
Ready-to-install trench heaters with EC tangential fan
Assembly and installation instructions
21.3 Electrical wiring
21.3.1 Control by on-site BMS
** Route shielded, paired cables e.g. UNITRONIC® BUS LD 2x2x0,22
or of the same value, separately from high-voltage cables.
W1: Power supply
W2: Voltage supply, control signal for fan and actuator.
4**
3
W1
GN
D
GN
D
1
Uc
1
0- 10
V
2
3
** Abgeschirmte, paarig verseilte Leitungen, z. B. CAT5
(AWG23), mindestens gleichwerg, getrennt von Starkstromleitungen verlegen
.
W1: Spannungsversorgung W2: Steuersignal für Gebläse und Stellantrieb.
4*
*
3
W2
GN
D
GN
D
3
Uc
2
0- 10
V
4
GND
AI2
1
2
N
PE
L
1
2
3
GND
AI3
3
4
GND
V1
GND
V2
GND
V+
Tx
Tx
GND
AI1
GND
AI2
1
2
N
PE
L
1
2
3
GND
AI3
3
4
GND
V+
Tx
Tx
GND
AI1
GND
V1
GND
V2
Mains power 230
VA
C
Fuse
by others
Tr
ench convector
Katherm HK
Unit no. 1
230 V / KaContr
ol
- Optional -
Actuator
Cooling
Type 146906
- Optional -
Actuator
Cooling
Type 146906
Actuator
Heating/
cooling
Type 146906
Actuator
Heating/
cooling
Type 146906
Tr
ench convector
Katherm HK
Unit no. n
230 V / KaContr
ol
Automation station
AI: RI = 20 kOhm
AI: RI = 20 kOhm
2-pipe:
Uc1 = Heating/Cooling (0..10 V
DC)
Uc2 = ---
4-pipe:
Uc1 = Cooling (0..10 V DC)
Uc2 = Heating (0..10 V DC)
Содержание Katherm HK Series
Страница 83: ......