Daikin 90 Plus AFUE - Page 40

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©2014DaikinNorthAmerica,LLC
ComfortNetSystem
 Fourwiresare
requiredbetween
thefurnaceand
thermostat.
 Twowiresare
requiredbetween
thefurnacecontrol
andthesinglestage
airconditioner.
C‐NetCompatibleFurnacew/Non‐ C‐NetCompatibleSingleStageAC
©2014DaikinNorthAmerica,LLC
 Forthissystemconfiguration,the“Y1”terminalontheintegrated
furnacecontrolbecomesanoutputratherthananinput.
 The“Y1”connectiontotheoutdoorunitismadeusingboth4‐position
thermostatconnectionsintheCTK0*kit.
ComfortNetSystem
C‐NetCompatibleFurnacew/Non‐ C‐NetCompatibleSingleStageAC
C G Y221 R W1 O
ComfortNet Compatible
FurnaceIntegrated
ControlModule
DE
HUM
W2
C21 R
YC
CTKOThermostat
Non‐ComfortNet Compatible
SingleStageAC
4‐PositionConnectorsfrom
CTKOThermostatKit
Y1