Carrier SINGLE PACKAGE ROOFTOP 48HC Installation Instructions Manual

Also see for 48TC*D: Service and maintenance instructions Installation instructions

23CW2GW1RY1TypicalThermostatCorrectionsO/B/Y2(see Note)Note: Typical multi-function marking. Follow manufacturer’s configurationinstructions to select Y2.Field WiringCentralTerminalBoardW1Y2Y1RW2GCXW1Y2Y1RW2GCXT–STATSeeCautionUNIT DAMAGE HAZARDFailure to follow this caution may cause a short circuit.CAUTION!Carefully check the connection of control coductorfor indoor fan control at terminal G. Connecting theindoor fan lead to terminal C will cause a short circuitcondition which can cause component damage insidethe unit or at thermostat.C10731Fig. 30 -- Typical Low--Voltage Control ConnectionsNOTE: If utilizing the through the base connections,route the low voltage wire through the wire ties to thecentral terminal board.RubberGrommetCornerPostWireTiesThru the BaseConnectionC10734Fig. 31 -- Field Control Wiring RacewayHeat Anticipator Settings —Set heat anticipator settings at 0.14 amp for the first stageand 0.14 amp for second--stage heating.Transformer Connection for 208--v Power Supply —All units except 208/230-v units are factory wired for thevoltage shown on the nameplate. If the 208/230-v unit isto be connected to a 208-v power supply, the controltransformer must be rewired by moving the black wirewith the 1/4 -in. female spade connector from the 230--vconnection and moving it to the 208-v 1/4 -in. maleterminal on the primary side of the transformer. Refer tounit label diagram for additional information.48HC