York BQ240 Technical Manual
Also see for Sunline 2000: Installation instructionInstallation instructionsInstallation instructionsTechnical guideTechnical guide
                                | |
Contents
| 
036-21489-001-C-1004Unitary Products Group 21NOTE: This unit does NOT REQUIRE a heat pump thermo-stat. It is designed to work with a standard two-stage cool,two-stage heat thermostat; however, the thermostat mustprovide a “G” signal when there is a call for “W1”.FIGURE 3: ELECTRONIC THERMOSTAT FIELD WIRINGW2RCRHY1Y2W1GCX1X3X4A1A2TTTHERMOSTAT*TERMINALSUNITTERMINALSSTRIPTB1*ElectronicprogrammableThermostat2ET0770010024(includessubbase).TerminalsA1andA2providearelayoutputtoclosetheoutdooreconomizerdamperswhenthethermostatswitchestotheset-backposition.24VoltTransformerTOREMOTESENSOR2ET04701324IFUSEDOCCW1W2Y1GY2XRSDCREMOTEMINPOSThe thermostat must provide a “G” signalwhen there is a call for “W1.”The unit controlboard will energize the indoor blower whenthe compressors are energized; however, ifthe thermostat calls for “W2” during the anti-short-cycle delay, the electric heat (wheninstalled) will be energized immediatelyupon the call for “W2.”FIGURE 4 : FIELD WIRING 24 VOLT THERMOSTATOCCW1W2Y1GY2XRSDCREMOTEMINPOSW1W2Y1GY2CUNITCONTROLBOARDT-STATRHRCThe thermostat must provide a “G” signalwhen there is a call for “W1.”The unit controlboard will energize the indoor blower whenthe compressors are energized; however, ifthe thermostat calls for “W2” during the anti-short-cycle delay, the electric heat (wheninstalled) will be energized immediatelyupon the call for “W2.” |
Related manuals for York Sunline 2000
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine