Honeywell TH5110D1006 Installation Guide - Page 3

Power options Keep wires in this shaded area Remove factoryinstalled jumper only for twotransformer systems. FocusPRO® TH5000 Series Insert batteries for primary or backup power. Connect C for primary AC power (optional if batteries are installed). M29370 Wiring Terminal designations Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted. Conventional Terminals: Rc 24VAC power from cooling transformer R 24VAC power from heating transformer W Heat relay (stage 1) W2 Heat relay (stage 2) Y Compressor contactor (stage 1) Y2 Compressor contactor (stage 2) G Fan relay C 24VAC common. For 2 transformer systems, use common wire from cooling transformer. TH5110D Rc R Y C W G TH5220D Heat Pump Terminals: Rc 24VAC power from cooling transformer R 24VAC power from heating transformer O/B Changeover valve Y Compressor contactor Y2 Compressor contactor (stage 2) -TH5320U only G Fan relay Aux Auxiliary heat relay* E Emergency heat relay* L Sends output when set to Em. Heat C 24VAC common *Aux and E terminals combined on TH5320U only. TH5110D Rc R Y C O/B G TH5220D Y2 W2 G W C Y R Rc TH5320U L E Aux G O/B C Y R Rc TH5320U Y2 W2 G W C Y R Rc L Y2 Aux E G O/B C Y R Rc M29371 3 69-1922EFS-01 ENGLISH