280241-YIM-D-0909Johnson Controls Unitary Products 37TYPICAL WIRING DIAGRAM NOTES(SEE FIGURES 18 THRU 31)1. All field wiring to be accomplished following city, localand/or national codes in effect at time of installation ofthis unit.2. Caution: Label all wires prior to disconnection when ser-vicing controls. Wiring errors can cause improper anddangerous operation if any of the wire as supplied withthis unit must be removed it must be replaced with type105°C, 600V wire or equivalent clearly renumbered foridentification. Verify proper operation after servicing.3. Motors inherently protected.4. Factory wired for 460 Volt operation.5. See unit nameplate for maximum fuse size and/or circuitbreaker size and minimum circuit ampacity.6. If both LR and ASCT are present, wire 801/BL and 805/BL are connected to ASCT-3. If only LR is present wire801/BL and 805/BL are connected to M1 coil. If onlyASCT is present wire 202/Y is connected to ASCT-3. Ifneither LR or ASCT are present, wire 202/Y is connectedto M1coil as shown.7. Removed.8. Select indoor blower speed to remain within the temper-ature rise range on the nameplate in heating and toobtain approximately 400 CFM / TON in cooling.FIGURE 32 - TYPICAL WIRING DIAGRAM LEGENDOpen all disconnects before servicing this unit.LEGENDALS AUXILARY LIMIT SWITCHASCT ANTI-SHORT CYCLE TIMER (OPTIONAL)CB CIRCUIT BREAKERCCH CRANK CASE HEATER (OPTIONAL)COMPR COMPRESSORDM DRAFT MOTOREMCB ELEC, MOTOR CONTROL BOARDGND GROUNDFS FREEZE STAT SWITCH (OPTIONAL)HP HIGH PRESSURE SWITCH OPENS @ 625 PSIG (R410A) / 380PSIG (R22)IDFAN INDOOR FAN MOTORLP LOW PRESSURE SWITCH OPENS @ 7 PSIGLS LIMIT SWITCHLR LOCK OUT RELAY (OPTIONAL)M1 CONTACTOR, COMPR. AND OD FANODFAN OUTDOOR FAN MOTORPS PRESSURE SWITCHRC1 / RC2 COMPRESSOR START & OUTDOOR FAN RUN CAPACITORRS ROLLOUT SWITCHTB1 TERMINAL BLOCKT1 TRANSFORMER, 24V, 240VT2 TRANSFORMER, 240V, 460V