Data Aire dara-4g2 - Wiring Connections; Wiring Terminal Connections

14•dara-4g
2
User Manual
4. WIRING CONNECTION
IMPORTANT NOTE:
• Thewiringbetweendara-4g
2
and units must be at least 18 AWG wires and met the local
electrical code.
• Thepowersupplydoesnotcomewithdara-4g
2
panel. Power supply must be provided by
customer. See dara-4g
2
specicationsbelowforpowerinputrequirement.
Wiring Terminal Connections
TB1
Power
TB1-1 24 VAC Power hot
TB1-2 24 VAC Common
TB1-3 Earth Ground
Alarm Signal Relay
TB1-4 Alarm Relay Normally open (Connect to BAS or monitoring panel)
TB1-5 Alarm Relay Common (Connect to BAS or monitoring panel)
TB1-6 Alarm Relay Normally closed (Connect to BAS or monitoring panel)
To HVAC Unit 1
TB1-7 Relay Common (To remote shutdown connection of HVAC unit 1)
TB1-8 Relay Normally Open (To remote shutdown connection of HVAC unit 1)
TB1-15 Alarm Input (To HVAC unit alarm relay common)
TB1-16 Alarm Input (To HVAC unit alarm relay normally open)
To HVAC Unit 2
TB1-9 Relay Common (To remote shutdown connection of HVAC unit 2)
TB1-10 Relay Normally Open (To remote shutdown connection of HVAC unit 2)
TB1-17 Alarm Input (To HVAC unit alarm relay common)
TB1-18 Alarm Input (To HVAC unit alarm relay normally open)
To HVAC Unit 3
TB1-11 Relay Common (To remote shutdown connection of HVAC unit 3)
TB1-12 Relay Normally Open (To remote shutdown connection of HVAC unit 3)
TB1-19 Alarm Input (To HVAC unit Alarm relay common)
TB1-20 Alarm Input (To HVAC unit Alarm relay normally open)
To HVAC Unit 4
TB1-13 Relay Common (To remote shutdown connection of HVAC unit 4)
TB1-14 Relay Normally Open (To remote shutdown connection of HVAC unit 4)
TB1-21 Alarm Input (To HVAC unit alarm relay common)
TB1-22 Alarm Input (To HVAC unit alarm relay normally open)
Optional Zone Temperature and humidity sensor
TB1-23 NTC Temperature sensor
TB1-24 NTC Temperature sensor
TB1-25 Humidity sensor signal output (OUTH)
TB1-26 Humidity sensor power GND (M)
TB1-27 Humidity sensor power G+