York 13 Seer-TCG Installation Manual

Contents

835964-UIM-A-01128 Johnson Controls Unitary ProductsFIELD CONNECTIONS CONTROL WIRING1. Route low voltage wiring into bottom of control box as shown inFigure 6. Make low voltage wiring connections inside the low volt-age box per Figures 7 - 11.2. The complete connection diagram and schematic wiring label islocated on the inside surface of the unit service access panel.3. Replace the corner cover removed in Step 2.4. All field wiring to be in accordance with national electrical codes(NEC) and/or local-city codes.NOTE: A Start Assist Kit is available and recommended for long line setapplications or in areas of known low voltage problems.5. Mount the thermostat about 5 ft. above the floor, where it will beexposed to normal room air circulation. Do not place it on an out-side wall or where it is exposed to the radiant effect from exposedglass or appliances, drafts from outside doors or supply air grilles.6. Route the 24-volt control wiring (NEC Class 2) from the outdoorunit to the indoor unit and thermostat.To eliminate erratic operation, seal the hole in the wall at the ther-mostat with permagum or equivalent to prevent air drafts affectingthe operation of in the thermostat.NOTICEFIGURE 8: Typical Field Wiring (Air Handler / Electrical Heat) (Single-Phase)ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODESPOWER WIRINGCONTACTORTERMINALSCOILGND.LUGC Y R G WY R G WPOWER WIRINGCONTROL WIRINGFACTORY WIRING24 VOLT CONTROL WIRINGMINIMUM 18 GA. WIRE(NEC CLASS 2) FURNACE OR AIR HANDLER TERMINAL BLOCKROOM THERMOSTATCONDENSING UNITALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.TERMINAL W IS ONLYREQUIRED ON SYSTEMSWITH HEAT.**FIGURE 9: Typical Field Wiring (Air Handler / Electrical Heat) (Three-Phase)ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODESPOWER WIRINGCONTACTORTERMINALSCOILGND.LUGC Y R G WY R G WPOWER WIRINGCONTROL WIRINGFACTORY WIRING24 VOLT CONTROL WIRINGMINIMUM 18 GA. WIRE(NEC CLASS 2) FURNACE OR AIR HANDLER TERMINAL BLOCKROOM THERMOSTATCONDENSING UNITALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.TERMINAL W IS ONLYREQUIRED ON SYSTEMSWITH HEAT.**