Daikin Enfinity VFC - Standalone MicroTech III Controller Wiring

IM 930-6 •EnnityVerticalWaterSourceHeatPumps 24 www.DaikinApplied.com
tyPiCal Wiring diagraMs
MicroTech III Unit Controller (Standalone) – 208/230/460/575/60Hz/3-Phase
DrawingNo.668991201
Shownwithoptionaldesuperheater
pumpwiring.
Wiring diagrams are typical. For
the latest drawing version refer to
the wiring diagram located on the
inside of the controls access panel
of the unit.
Table B
 208V  RED
 230V  ORG
Note: Gray tinted areas in the wiring diagram: Units with factory installed communication module include Discharge Air Temperature
(DAT) and Return Air Temperature (RAT) sensors shipped loose and are field installed. The Leaving Water Temperature (LWT)
sensor is factory installed.
Legend
Item Description
C1 Capacitor-Compressor
C2 Capacitor-Fan
CC Compressor-Contactor
CM Compressor-Motor
CDS CondensateOverowSensor
DAT DischargeAirTempSensor
HP HighPressureSwitch
HTR ElectricHeaterCartridge
IOEXP I/OExpansionBoard/Harness
ISO-NC IsolationValve-NormallyClosed
ISO-NO IsolationValve-NormallyOpen
LED1 LEDAnnunciator/Harness
LED2 LEDAnnunciator/Harness
LP LowPressureSwitch
SLTS SuctionLineTempSensor
LWT LeavingWaterTempSensor
MIII MicroTechIIIMainBoard
R1 Relay-FanMotor
R2 Relay-ElectricHeat
RAT ReturnAirTempSensor
RV ReversingValveSolenoid
TB1 PowerTerminalBlock
X1 Transformer
_____
 StandardUnitWiring
____
 OptionalWiring(byothers)
Notes:
 Transformer:
 Unusedwiretobecapped.
Desuperheateronlyavailableon
 115-208-230Vapplications.