York YHJD18 THRU 60 Technical Manual

Also see for SPLIT-SYSTEM YHJD18 THRU 60: Technical guide Technical guide Technical guide

Contents

571209-YTG-B-1211Johnson Controls Unitary Products 21TYPICAL INSTALLATIONTYPICAL FIELD WIRING60” OVERHEADCLEARANCEMINIMUM 18” SERVICEACCESS CLEARANCEON ONE SIDEWEATHERPROOFDISCONNECTSWITCHTHERMOSTAT10” CLEARANCEAROUND PERIMETERCONTROLACCESSPANELTO INDOOR COILNEC CLASS 1 WIRINGNEC CLASS 2 WIRINGTO FURNACE ORAIR HANDLERTERMINAL BLOCKSEAL OPENING(S) WITHPERMAGUM OR EQUIVALENTNOTES:ALL OUTDOOR WIRING MUST BE WEATHERPROOF.MINIMUM 24” UNIT TO UNIT CLEARANCE.THERMOSTAT INDOOR UNIT OUTDOOR UNITLOW VOLTAGE TERMINAL BLOCKIN AIR HANDLER WITH ELECTRIC HEATDEFROSTCONTROLFIELDINSTALLEDJUMPERDEHUMIDIFICATION CONTROL CONNECTION(Humidistat* Jumper must be removed)GND.SCREWCONTACTORT2 T1L2 L1MRL or XYOWGT2E 2R RY YOOW2 WC CX/LGW1BKGND.LUGCIRCUITBREAKER***POWER WIRING24V CONTROL WIRING(NEC CLASS 2)JUMPER TERMINALS E AND W TO HEATON FIRST STAGE DURING EMERGENCY HEAT.TERMINAL NOT USED ON ALL THERMOSTATS. POWER WIRING208/230-1-60230-1-50CHECK THE LOW VOLTAGE TERMINAL BLOCK ON THE INDOOR UNIT FOR THE ACTUAL ARRANGEMENT OF THE TERMINALS.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 CODESREDBLKYELORGWHTPURBRN123413,4W1/66