Daikin Enfinity VFC - CONTROLS; I;O Expansion Module Overview and Features

Controls
I/O Expansion Module
ThismanualcoverstheinstallationofaDaikinVertical
FloorUnit-ModelVFC,VFWWaterSourceHeatPump.
ForinstallationandoperationinformationonMicroTech
IIIunitcontrollerandotherancillarycomponents,see:
■ IM927-MicroTechIIIUnitControllerforWater
SourceHeatPumps(LonWorks).
TheI/OExpansionModuleisaeld-installedoption.It
isanextensionoftheMicroTechIIIunitcontrollerand
providesextrafunctionality.
TheI/OExpansionModulehas4mainpurposes:
■ TheMicroTechIIIunitcontrollerincombination
withtheI/OExpansionModulewillbethestandard
controlsystemfortwo-stageWaterSourceHeat
Pumpequipment.(i.e.largeverticalunits).
■ TheI/OExpansionModulehasoutputstocontrol
electricheatonastandardWaterSourceHeat
Pump.
■ TheI/OExpansionModulehasoutputsformulti-
speedfansonastandardWaterSourceHeatPump.
■ TheI/OExpansionModulehasanindependentLED
annunciatortoidentifyoperationalfaultconditions
onsecondstageequipment.
Figure 13: I/O Expansion Module Configuration Jumper
Terminals
JumperTerminals
Features
Standard Heat Pumps / Single Circuit
Units
■ Monitorsenteringwatertemperatureforboilerless
electricheatcontrol
■ Outputsformediumandhighspeedfancontrols.
IM 930-6 •EnnityVerticalWaterSourceHeatPumps 16 www.DaikinApplied.com