User ManualTable of ContentsApplication1Installation1When Installing this Product...1Select Thermostat Location2Separate Wallplate from Thermostat2Install Wallplate (See Fig. 3)2Wiring2Conventional System Wiring4Heat Pump System Wiring5Fan Coil System Wiring5PTAC System Wiring6Sensor Wiring for Temperature Averaging6Power the Thermostat7Wiring 24 Vac Common7Installing Batteries7Mount Thermostat to Wallplate7Setting Calendar and Time8Advanced Settings8Installer Setup Numbers, Settings, and Tests (Table 4)9Configure Installer Setup9Installer System Tests9Operation13Fan Sequence Operations (ISU 347, 348, 349)13Equipment Sequence Operations (ISU 170)13Special Programmable Mode Functions13Special Non-Programmable Mode Functions13System Settings14Fan Settings14Minimum-Off Timer (Compressor Protection)14Indoor Temperature Sensor14Troubleshooting (Table 6)14Specifications16Size: 1.01 MBPages: 16Language: EnglishOpen manual
User ManualTable of ContentsApplication1Features1Specifications2Installation4When Installing this Product...4Select Thermostat Location4Separate Wallplate from Thermostat4Install Wallplate (See Fig. 7)4Wiring5Conventional System Wiring6Heat Pump System Wiring7Fan Coil System Wiring8PTAC System Wiring8Power the Thermostat9Wiring 24 Vac Common9Installing Batteries9Locate and Mount TR21 or C7189U Remote Indoor Temperature Sensor (Optional)9Wire Indoor Sensor10Sensor Wiring for Temperature Averaging10Set Calendar and Time10Setting Calendar Once Functioning10Setting Calendar When First Powered10Installer Setup11Advanced Settings11Installer Setup Numbers (ISU), Settings, and Tests (Table 6)12Main Screen15Programming16Fan Settings16System Settings16Programming Heating and Cooling Schedule16Editing Schedule16Setting Time16Operation17Fan Sequence Operations (ISU 347, 348, 349)17Equipment Sequence Operations (ISU 170)17Special Programmable Mode Functions19Special Non-Programmable Mode Functions19Screen Locked20Minimum-Off Timer Compressor Protection21Temperature Sensor Operation and Checkout21C7189U Remote Indoor Temperature Sensor21TR21 Remote Temperature Sensor21Troubleshooting (Table 12)23Size: 1.85 MBPages: 24Language: EnglishOpen manual
