Daikin RDT Installation And Maintenance Manual

Also see for RPS: Installation and maintenance manual Installation and maintenance manual Installation manual Manual

Contents

Daikin RDT Installation And Maintenance Manual Manual pdf 42 page image

IM 893-10 • ROOFPAK SINGLEZONE UNITS 42 www.DaikinApplied.comeleCTrICal InsTallaTIoneleCTrICal InsTallaTIonField Power WiringWiring must comply with all applicable codes and ordinances.The warranty is voided if wiring is not in accordance with thesespecifications. An open fuse, tripped circuit breaker, or ManualMotor Protector (MMP) indicates a short, ground, or overload.Before replacing a fuse, circuit breaker, MMP, or restarting acompressor or fan motor, identify the trouble and correct.According to the National Electrical Code, a disconnectingmeans shall be located within sight of and readily accessiblefrom the air conditioning equipment. The unit can be orderedwith an optional factory mounted disconnect switch. This switchis not fused. Power leads must be over-current protected atthe point of distribution. The maximum allowable overcurrentprotection (MROPD) appears on the unit nameplate.All RPS, RFS, and RDT UnitsDANGERHazardous voltage. Can cause severe injury or death.Disconnect electric power before servicing equipment. Morethan one disconnect may be required to de-energize the unit.CAUTIONWires are located in base rail. Move wires before drilling holethrough base rail.All units are provided with internal power wiring for single ordual point power connection. The power block or an optionaldisconnect switch is located within the main control panel. Fieldpower leads are brought into the unit through 3ʺ knockoutsin the bottom of the main control panel. Refer to the unitnameplate to determine the number of power connections. SeeFigure 47 and Table 17 on page 44.If the unit has a factory mounted disconnect switch, generallythe switch must be turned off to open the main control paneldoor. However, the door can be opened without disconnectingpower by following the procedure covered by the Through-the-door Disconnect on page 142. If this is done, use cautionsince power is not removed from the unit or the controller.NOTE: To wire entry points, refer to certified drawings fordimensions.The preferred entrance for power cables is through the bottomknockouts provided on the unit. If side entrance is the onlyoption, a drilling location is provided.The drilling dimensions must be followed exactly to preventdamage to the control panel. The dimensions provided are theonly possible point of side entrance for the power cables.Figure 47: RPS/RDT and RFS Power Wiring ConnectionsFigure 48: Optional Side Power Wiring EntranceElectric heatcontrol panelOptionaldisconnect(DS3)3" powerknockoutsOptionaldisconnect (DS2)3" powerknockoutsMain disconnect (DS1)or power block (PB1)