CB500X Extension Module Control Box
User Manual
CB500X – Wiring diagram.
PLEASE NOTE!
If wiring centres CB500 and CB500X are connected with EXTENSION connector, then it is not allowed to connect additional 230V power supply to power contacts in CB500X wiring centre. Otherwise, you risk permanent damage to the wiring centres. The power input of the CB500X should be used when it operates as a standalone device (when the EXTENSION sockets are not used).
* The CB500X extension works as a standalone device.
*CB500X connected to CB500 wiring centre.
**CB500 wiring centre with built-in module, 5 zones, 230V.
 | Battery powered |  | Wireless communication |
| L, N | 230V AC power supply |  | Pump |
 | Fuse |  | Valve actuator |
| COM, NO, NC | Voltage free output |  | Temperature sensor |
| S, S1, S2 | Input terminals |  | 3-speed 230V AC fan |
| SL | 230V AC voltage output |  | Light bulb or other load |
 | Contact normally open |  | Thermoelectric actuator |
 | Contact normally closed |  | Time programmer |
 | NC/COM/NO switch |  | External normally open contact |
 | Boiler – Boiler connection * – Boiler’s contacts for ON/OFF thermostat (according to the boiler’s instructions) |  | Voltage converter |
