Daitsu FMCD*ECM series - Control Specifications; SK-NCFMCD-001 Complete Function FCU Controller

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SK2014‐SON‐002‐TechMnl‐FMCD‐003
C. ControlSpecifications
C.1. SK‐NCFMCD‐001CompletefunctionFCUController
UsedinallHigh‐Wall[V]~Sunitconfigurations.

Completefunctionintegratedcontroller,compatiblewithIRhandsetcontroller,wiredwall‐pad,serialnetworkingfor
master‐slaveandMODBUSapplications.

C.1.1. Abbreviations
Ts = Settingtemperature
Tr = Roomairtemperature
Ti1 = Chilledwatercoiltemperature
Ti2 = Hotwatercoiltemperature
AUX1 = Hotwaterfreecontact
AUX2 = Chilledwaterfreecontact
MTV1 = ChilledMotorizedvalve
MTV2 = HotMotorizedvalve
C.1.2. DefinitionofInput/Output
I/O Code 2‐Pipe 4‐Pipe
AnalogueInput
Returnairsensor AI1 Returnairtemperature(Tr)
2‐pipecoilcircuitsensor AI2
Chilled/hotwatercoil
circuit(Ti1)
Chilledwatercoilcircuit
(Ti1)
Hotwatersensor AI3 N/A
Hotwatercoilcircuit
(Ti2)
Input
LEDdisplay/IRreceiver X‐DIS1
DigitalcommunicationporttoLEDdisplay/IRreceiver
board.
Wiredwallpad TTL1 Digitalcommunicationporttowiredwallpadboard.
Digitalinput
Occupancycontact On/Off
Windowcontacts:
ForremoteON/OFF(whenDIPBSW1=1).
Economycontacts:
Forremoteactivationofeconomymode(whenDIPB
SW1=0).
Electricalheatersafetyswitch EH
Voltage‐free(NC).ThecontactisclosedbeforetheEHis
turnedon.
Powerinput
Phase L1
PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
Neutral N1
PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
Earth PE1
PowersupplytothePCBandalltheloadsconnectedto
thevoltageoutputs.Maxlength:5m.
Voltageoutput
Fan CN4 Fandriver
Valve1 MTV1
2‐pipecoilcircuitvalve
output–chilled/hotwater
valve.
Voltageoutput(L)
4‐pipecoilcircuitvalve
output–chilledwater
valve.
Voltageoutput(L)
Valve2 MTV2 Reserved
4‐pipecoilcircuitvalve
output–hotwatervalve.
Voltageoutput(L)
Voltageofelectricalheater
(Live)
HEAT Voltageoutput(L),maximum25A
Output
Steppingmotor CN1/CN2 Louversteppingmotorrelay
Auxiliarycontact2 AUX2
Coolingmodesignalrelay(NO).Voltagefreecontact.
Toensurethesensitivityoftheconnection,please
makesuremaxwiringlength<5m,5A
Auxiliarycontact1 AUX1
Heatingmodesignalswitch(NO).Voltagefreecontact.
Toensurethesensitivityoftheconnection,please
makesuremaxwiringlength<5m.5A
SerialBUSport CN3
Master‐slavenetworkserialconnectionOR
MODBUS/localPChostnetworkserialconnection.