45Press SYNC button (back of thethermostat) for 5 seconds...5 sek.87The number of green flashes of theLED confirms your choice.6Confirm by SYNC button.Confirm by SYNC button.542Now thermostat is looking for the signalfrom the coordinator and red diode willstart to blink 3 times in a row sequently....1In this chapter you will also learn how to set HTR-RF(20) as a group thermostat (SLAVE). Please look at the instructions below:7.2.2 Pairing with underfloor heating wiring centre (KL08RF/Control Box) and installation of the thermostat as a groupthermostat - SLAVE3Open the ZigBee network.OR5 sec.5 sec.9Choose group number using knob.Without group = 1 positionGroup 1 = 2 positionGroup 2 = 3 positionDiode will flash constantly red.Thermostat is connected.Select the Control Box number (upto 9 wiring centers) using knob.1 Wiring Centre = 1 position2 Wiring Centre = 2 position9 Wiring Centre = 9 positionPLEASE NOTE!For easier installation, please make sure you have already added underfloor heating wiring centre (KL08RF/Control Box) to your ZigBee network (pleaserefer to the underfloor heating wiring centre manual instruction).