iT500 User Reference Manual34 INTRODUCTION4 Features5 GETTING STARTED5 In the Box5 Optional Equipment6 INSTALLATION6 Introduction10 Installing the iT500RX Receiver18 Installing the iT500 Thermostat20 Pairing the iT500 System Unitsfor the First Time21 Installing the iTG500 Gateway22 Installing an iT300Temperature SensorTransmitter (optional)23 CONTROLS AND DISPLAY23 iT500 Thermostat Keypad andDisplay25 iT500RX Receiver Controls26 INSTALLATIONPROGRAMMING26 Installation Setup Mode26 Entering Installation SetupMode27 Selecting the SystemConfiguration28 Select Heating or CoolingMode29 Select Temperature Units29 Set the Time Zone31 Turning Daylight Saving TimeOn or Off33 PAIRING THE iT500 ANDiT300 WITH THE iT500RX33 Pairing the iT500 Thermostatwith the iT500RX Receiver35 Pairing an iT300 with theiT500RX Receiver (optional)37 Registering your iT500 Online40 Download the SmartphoneApp43 USER PROGRAMMING43 Program Times and SetpointTemperatures45 Default Program Schedules46 Control using the PC orSmartphone App51 Local Control using theiT500TR Thermostat59 Override Central Heating ZoneSettings61 Override Hot Water Settings64 Other Overrides65 Frost Protection65 Lock and Unlock the Keypad66 OTHER INFORMATION66 Low Battery Indication66 Battery Installation orReplacement67 Resetting the iT500Thermostat68 Firmware Updates69 TECHNICAL SPECIFICATIONS69 Operating Environment69 iT500 Central Thermostat70 iT500RX Thermostat Receiver70 iTG500 Gateway71 iT300 Temperature SensorTransmitterCONTENTS