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 45 page image

eleCTrICal InsTallaTIonwww.DaikinApplied.com 45 IM 893-10 • ROOFPAK SINGLEZONE UNITSField Control WiringDANGERElectrical shock hazard. Can cause severe injury or death.Connect only low voltage NEC Class II circuits to terminalblocks TB2 and TB5. Reinstall and secure all protectivedeadfront panels when the wiring installation is complete.Roof Pak applied rooftop units are available with severalcontrol arrangements which may require low voltage fieldwiring. Detailed descriptions of various field control wiringoptions and requirements are included in the “Field Wiring”section of IM 919, MicroTech III Applied Rooftop UnitController. Refer to the unit wiring diagrams for additionalinstallation information.Wiring must comply with applicable codes and ordinances.The warranty is voided if wiring is not in accordance with thesespecifications.RPS, RDT, and RFS UnitsAll field control wiring connections are made at the class IIterminal block TB2, which is located in the main control panel.Field wiring connections to the 115 volt receptacle and lightsare made at terminal block TB7, which is also located in themain control panel. Refer to Figure 51, Figure 52, and ControlPanel on page 8. Two 7/8ʺ knockouts are provided for wireentry.RFS/RCS UnitsThe RCS unit receives 115V and 24V control circuit powerand a number of control signals from the RFS unit. Two 7/8ʺknockouts are provided in the right side of the RCS control box.Interconnecting wiring enters the RFS unit through 7/8ʺknockouts in the bottom of the main control panel. Theinterconnecting wiring is connected to TB4 in the RFS unit andTB5 in the RCS unit. Refer to Figure 52. A 7/8ʺ knockout is alsoavailable in the end of the unit base as shown in Figure 50.NOTE: If a single conduit containing 24V and 115V wiringis run above the roofline between the RFS and RCSunit, install the 24V wiring as an NEC Class I wiringsystem.Figure 51: RDT, RFS, RPS Field Wiring ConnectionsFigure 52: Control Wiring RacewayFigure 53: RFS and RCS Interconnecting Control WiringMain control panel24V field terminalblock (TB2)Control wiring racewaycover (remove for accessto harness from main controlbox to unit-mountedcontrol devices)TB5 & TB624V115VPB4/DS4PCondensercontrolpanelDS2PB1/DS1TB4MaincontrolpanelRFS Unit RCS Unit