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Wiring for 4-wire Duct Smoke Detector and Accessories <br /> - ------- -- -- ------------ <br /> POWER INPUTS(NOTE 1) I POWER INPUTS(NOTE 1) I <br /> z4VAC/DCS &1-120-1 I I I-24V-1r12C <br /> A& I & & �A <br /> 9 10 I I 9 10 <br /> OR I I OR I <br /> AUXILIARY CONTACTS I I AUXILIARY CONTACTS <br /> FOR FAN SHUTDOWN,ETC.(NOTE 2) I I FOR FAN SHUTDOWN,ETC.(NOTE 2) <br /> AUX A AUX B I I AUX A AUX B <br /> I N <br /> IN N N N N N. <br /> 8 16 7 I I 16 6 17 8 18 7 <br /> I EOL RESISTOR <br /> SPECIFIED BY <br /> SUPERVISORY CONTACTS I SUPERVISORY CONTACTS I PANEL <br /> MANUFACTURER <br /> (NOTE 3) I (NOTE 3) — 1 <br /> SU SUP .O. I I SU SUP O. <br /> UU4-WIRE FM ED 3 14 I 3 14 <br /> CONTROLPANEL <br /> + I I I I <br /> ALARM 4FALARM ALARM 4 ALARM C. <br /> ALARM INITIATION INITIATION I <br /> INITIATION CONTACTS CONTACTS <br /> LOOP \ (NOTE 4) (NOTE 4) <br /> \\\ 5 ALARM N.O. 5 ALARM N.O. <br /> I <br /> ------- -- -- I---- ----- -- <br /> FIRST DETECTOR IN THE LOOP LAST DETECTOR IN THE LOOP <br /> NOTE 1:24V Power Inputs accept a non-polarized 24VDC or 24VAC NOTE 3:Supervisory contacts shown in standby position.Open <br /> 50-60Hz. 120VAC Power Inputs accept only 120VAC contacts indicate a trouble condition to the panel.See <br /> 50-601-1z.Connect power source to appropriate terminals specifications for contact ratings. <br /> of each detector.See specifications for additional power NOTE 4:Alarm Initiation contacts shown in standby position.Closed <br /> supply information. contacts indicate an alarm condition to the panel.See <br /> NOTE 2:Auxiliary contacts shown in standby position.Contacts specifications for contact ratings. <br /> switch during alarm as indicated by arrows.Auxiliary <br /> contacts are not to be used for connection to the control <br /> panel.See specifications for contact ratings. <br /> "Please refer to the corresponding installation manual for accessory <br /> wiring diagrams. <br /> Important Notes on 2:1 Sensor-to-Power Capability <br /> •2:1 sensor-to-power capability is not available for all InnovairFlex models. The feature is only available on the D4120 4-wire <br /> conventional models. <br /> •2:1 sensor-to-power capability can be enabled using one D4120 and one D4S,or two D4S and one D4P120. <br /> Important Interconnect Notes <br /> •When using the interconnect feature,all interconnected units must be powered using the same independent supply. <br /> •Polarity must be maintained throughout the interconnect wiring.Connect the INT+terminal on unit 1 to the INT+terminal on unit 2 and so <br /> on.Similarly,connect the INT/AUX—terminal on unit 1 to the INT/AUX-terminal on unit 2 and so on. <br /> •Up to 50 D4120 units,50 D4P120 units,or 50 units of combination may be interconnected. <br /> •Up to 10 DH100ACDC units may be interconnected. Please note that each of the 9 DH100ACDC units interconnected may be replaced <br /> by three D4P120 units.Therefore,when using the interconnect feature a single DH100ACDC can drive either 9 DH100ACDCs or <br /> 27 D4120 units. <br /> "NOTE:Alarm can be reset only at the initiating device and not at the devices interconnected. <br /> HVDS00500 <br />