6 7• This pairing procedure is only used when direct control of an AX10RF Receiver by theAWRT10RF Thermostat is desired.• Each system will support only one AX10RF configured as RX1 and one configured as RX2.The following configuration is typical in boiler systems in which there is only one thermostat in thesystem such as a single steam heating loop or single forced circulation, hot water loop. For systemswith multiple zones, a zone relay controller such as the SALUS AKL Series is recommended.Before starting the pairing process, be sure that the AX10RF Receiver is installed as shown in theinstallation instructions included with the device• The switch on the inside cover must be configured to RX1• The LED backlight on the Auto/Manual switch of the AX10RF Receiver should be flashing red• The Auto/Manual switch of the AX10RF Receiver should be in the AUTO position• The AWRT10RF Thermostat should be powered up and flashing PAIR? RLAY_CTLJOINING- - - will be displayed with a 10minute countdown timer and a flashingnetwork status indicatorStep 2. On the AWRT10RF Thermostat,press until PAIR? RCV1 is displayedPress SELECTStep 1. Press and hold the lighted red pairingbutton on the AC10RF Coordinator for 5seconds, until the LED begins to flashPairing with AX10RF Receiver for Boiler Switching (RX1)Section 6 AWRT10RF Pairing without InternetConnection (AC10RF Coordinator)