York E*BA-F018 THRU 060 Technical Manual

Contents

036-21318-002 Rev. A (0106)10 Unitary Products GroupTYPICAL INSTALLATIONTYPICAL FIELD WIRING - 1 PHMINIMUM 24” SERVICE ACCESSCLEARANCE ON ONE SIDE60” OVERHEADCLEARANCE10” CLEARANCECOIL AREAWEATHERPROOFDISCONNECTSWITCHTHERMOSTAT TO FURNACE ORAIR HANDLERTERMINAL BLOCKNEC CLASS 1 WIRINGNEC CLASS 2 WIRINGTO INDOOR COILSEAL OPENING(S) WITHPERMAGUM OR EQUIVALENTCONTROL ACCESS PANELNOTE: ALL OUTDOOR WIRINGMUST BE WEATHERPROOF.THERMOSTAT INDOOR UNIT OUTDOOR UNITLOW VOLTAGE TERMINAL BLOCKIN AIR HANDLER WITH ELECTRIC HEAT3,4 DEFROSTCONTROL1FIELDINSTALLEDJUMPERDEHUMIDIFICATION CONTROL CONNECTION(Humidistat* Jumper must be removed)GND.SCREWCONTACTORT2 T1L2 L1MRL or XYOWGT2E2R RY YOOW2 WW1C CX/LGW1BKGND.LUGCIRCUITBREAKER***POWER WIRING24V CONTROL WIRING(NEC CLASS 2)JUMPER TERMINALS E AND W TO HEATON FIRST STAGE DURING EMERGENCY HEAT.12 TERMINAL NOT USED ON ALL THERMOSTATS. POWER WIRING208/230-1-60230-1-503 CHECK THE LOW VOLTAGE TERMINAL BLOCK ON THE INDOOR UNIT FOR THE ACTUAL ARRANGEMENT OF THE TERMINALS.4 CONNECT POWER WIRING TO TERMINAL BLOCK 3TB ON UNITS WITHOUT ELECTRIC HEAT OR CIRCUIT BREAKER.B or CALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODESREDBLKYELORGBRNPURWHTCCGRY/665 GRAY FOR USE WITH OPTIONAL OUTDOOR THERMOSTAT KITS.5