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Standard Wiring schematic
ZONE 1
11
10
Schematic for electric connections: LK Connection Box NC.
1
LK Connection Box NC.
2
Pump relay, max 4 Amp. (attached pull relief)
NOTE: Terminal 2 is a volt-free switch;
thus L in and L out
3
Connecting mains voltage, 230 V AC.
4
Fuse, primary, 250 V 200 mAt.
5
Connecting LK Actuator NC, 24 V AC.
Sample connections for a zone
•
Terminal 1 (9) on the room thermostat is connected to terminal 1 (6) on the connection box.
•
Terminal 2 (9) on the room thermostat is connected to terminal 2 (6) on the connection box.
•
Terminal 4 (9) on the room thermostat is connected to terminal 4 (6) on the connection box.
•
The actuator is connected to the terminals on the connection box marked with "actuator symbol" (5) .
2 3
4
200 mAt
N L
L
N
1
200 mAT
Transformer
230 V / 24 V / 40 VA
N
L
ZONE 2
Assembly instructions | LK Wired Room Control NC
5
6
7
1
2 4
zone1
1
2
4
1
2 4
1 2
4
zone
1
zone 2
zone
3
zone 4
1
2
4
1
2 4
1
2
4
1
2
zone 5
zone
6
zone
7
zone
8
ZONE 1
2
1
4
6
Connecting LK Room Thermostat NC, 24 V AC.
7
LED.
8
LK Room Thermostat NC, 24 V AC.
9
Connecting to the LK Connection Box NC.
10 LK Actuator NC, 24 V AC.
11 Status indicator.
1
2
4
4
ZONE 2
2
1
4
8
7
9
EN.33.C.28.0904
5
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