AAON R90800 Technical Manual
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Full Digital ModuleTechnical Guide14Connect ToE-BUSDistributionModuleLine Voltage24 VACGNDLine VoltageAll Comm Loop Wiring IsStraight Thru24VACGNDLocal LoopRS-4859600 BaudSee Individual ComponentWiring Diagrams ForDetailed Wiring Of AnalogInputs And OutputsFor Stand Alone Applications,Connect To System Manager.For Network ApplicationsConnect To Next ControllerAnd/Or MiniLink PD On Local Loop.G - Fan ON/OFF OnlyR - 24VACRelay Output ContactsR2 Through R5 May Be User-ConfiguredFor The Following:1 - Heating Stages2 - See Note 1 Below3 - Warm-up Mode Command (VAV Boxes)4 - Reversing Valve (Air To Air Heat Pumps)5 - Reheat Control (Dehumidification)6 - Exhaust Fan Interlock7 - Preheater For Low Ambient Protection8 - Alarm9 - Override10 - Occupied11 - OA Damper12 - Heat Wheel13 - Emergency HeatNote: 1.) When Using the HP2C Module,All Compressors Will Be Wired From theProtection Module, Not the VCM-XController.2.) A Total Of 20 Relays Are Available ByAdding Relay Expansion Modules. AllExpansion Module Relay Outputs Are User-Configurable As Listed Above.Connect FRP Tubing To High PressurePort (Bottom Tube) and Route To StaticPressure Pickup Probe Located In UnitDischarge. Leave Port Marked “Lo” OpenTo AtmosphereOE271Static PressureTransducerSplice If RequiredConnect To E-BUS Distribution Moduleor Expansion Module(s) (When Used)Connect To Digital Room Sensor And/OrDigital CO Sensor2Warning:24 VAC Must Be Connected So That All GroundWires Remain Common. Failure To Do So WillResult In Damage To The Controllers.T to T, R to R & SHLD to SHLDSize Transformer ForCorrect Total Load.VCM-X Modular Controller= 8 VAOE332-23-VCMX-MOD-AVCM-X Modular Controller Note:All Relay Outputs Are Normally Open And RatedFor 24 VAC Power Only.1 Amp Maximum Load.AI1AI1 SET AI2 SET AI3 SET AI4 SET AI5 SET AI7 SETAI2AI3AI4AI5AI7AI1 SET AI2 SET AI3 SET AI4 SET AI5 SET AI7 SETJumpersFigure 6: VCM-X Modular Controller Connection to Full Digital ModuleAppendixVCM-X Modular Controller to FullDigital Module WiringWhen using the VCM-X Modular Controller, the E-BUS DistributionModule is required ot connect to the Full Digital Module. The Full DigitalModule connects to the E-BUS Distribution Module using a modularHSSC cable. The Full Digital Module requires a 24 VAC power con-nection with an appropriate VA rating.The E-BUS Distribution Module connects to the VCM-X ModularController, VCM-X Expansion Module, or 12 Relay Expansion Moduleusing the I2 C port. See Figure 6 below for wiring.Any E-BUS module can be connected to each of the four E-BUS Dis-tribution Module’s output ports or can be daisy-chained together usingHSSC cables.If using a spliced terminal connection for longer runs, one module can beconnected to the E-BUS Distribution Module and any additional moduleswould be daisy-chained to the first module. For more information, referto the E-BUS Distribution Module Technical Guide. |
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