Carrier 50HCQ07 Installation Instructions Manual

33Economizer Module Wiring DetailsUse Fig. 46 and Tables 6 and 7 to locate the wiring terminalsfor the Economizer module.NOTE: The four terminal blocks are removable. Slide out eachterminal block, wire it, and then slide it back into place.Fig. 46 — W7220 Wiring TerminalsTable 6 — Economizer Module - Left Hand TerminalBlocks* Sylk is a trademark of Honeywell International Inc.Table 7 — Economizer Module - Right Hand TerminalBlocksNAAUX2-OCCE-GNDEXH1AUX1-OY2-Y1-Y2-OY1-OCR50048848-002Rev. ANAA2OCCEXA1Y2IY2OY1IY1OCRCert ProductCalifornia Title 24,Part 6HJW10www.energy.ca.govMATMATOATOATS-BUSS-BUSIAQ 2-10IAQCOMIAQ 24VACT 2-10ACT COMACT 24VMAMAOAOASBSBSBSBSBSBVCRVCRNA50040839-001Rev. GLABEL TYPE DESCRIPTIONTop Left Terminal BlockMATMAT20k NTCand COMMixed Air Temperature Sensor (PolarityInsensitive Connection)OATOAT20k NTCand COMOutdoor Air Temperature Sensor(Polarity Insensitive Connection)S-BUSS-BUSS-BUS(Sylk* Bus)Enthalpy Control Sensor(Polarity Insensitive Connection)Bottom Left Terminal BlockIAQ 2-10 2-10 VDC Air Quality Sensor Input (e.g. CO2sensor)IAQ COM COM Air Quality Sensor CommonIAQ 24V 24 VAC Air Quality Sensor 24 VAC SourceACT 2-10 2-10 VDC Damper Actuator Output (2-10 VDC)ACT COM COM Damper Actuator Output CommonACT 24v 24 VAC Damper Actuator 24 VAC SourceLABEL TYPE DESCRIPTIONTop Right Terminal BlocksAUX2 I 24 VAC IN The first terminal is not used.OCC 24 VAC INShut Down (SD) or HEAT (W)Conventional onlyandHeat Pump Changeover (O-B) in HeatPump mode.E-GND E-GND Occupied/Unoccupied InputEXH1 24 VACOUT Exhaust Fan 1 OutputAUX1 O 24 VACOUTProgrammable:Exhaust fan 2 outputorERVorSystem alarm outputBottom Right Terminal BlocksY2-I 24 VAC IN Y2 in - Cooling Stage 2 Input from spacethermostatY2-O 24 VACOUTY2 out - Cooling Stage 2 Output to stage2 mechanical coolingY1-I 24 VAC IN Y1 in - Cooling Stage 2 Input from spacethermostatY1-O 24 VACOUT Y1 out - Cooling Stage 2 Output to stage2 mechanical coolingC COM 24 VAC CommonR 24 VAC 24 VAC Power (hot)