Samsung AC RNNDKG Series - Page 24

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Installation Procedure
Installation Procedure
English
Emergency Temperature Output (ETO) function
CAUTION
• InordertodeploytheETOfunction,theMIM-B14,anexternalcontactinterfacemodule,mustbeinstalledineach
indoorunit.
– TheETOisaconceptofemergencyoperationofindoorunits.Iftheindoorunit1(mainindoorunit)stopsbecauseof
anerror,theindoorunit2(subindoorunit)startstooperate.
– Basically,theindoorunit2operatesinthepreviousmode.[Forthefirsttimeoperation,itstartsin24°C(75°F)Auto
mode.]
– Tosetmoredetailedoperationconditionsfortheindoorunit2,usetheS-netPro.
Setting up the ETO
Communication between
indoor and outdoor units
(F1 and F2)
Main indoor unit
Sub indoor unit
External contact
interface module
MIM-B14
Error output port (1, 2)
Contact input port (5, 6)
1 Mainindoorunit
– Disabletheexternalcontactcontrol(Default).
– ConnecttheS-netpro2toF1andF2.
– EnabletheETOfunctionandsetthetemperatureandtime.
2 Subindoorunit
– (Required)Enabletheexternalcontactcontrol(withtheinstallationoptionSEG14-ReverseControl).
– ConnecttheS-netpro2toF1andF2.
– Enabletheentrancecontrolandsetthemode,settemperature,andfanspeed.
CAC R-32_Mini 4way_IM_DB68-08129A-00_EN_20181115.indd 24 2018/11/15 15:56:46