Nu-Star car wash interface

Use Activa Direct Arming for Nu-Star car washes.

Activa Direct Settings

In Activa Direct:
  • Set "Out-Of-Service when" to "Control Power Off"
  • Set "Out-Of-Service delay" to "10 secs"
  • Set "Time to hold Arming Signal" to "3 secs".
  • Set "Time to wait for wash to begin" to "4 mins"

Interface Wiring

This information is preliminary. More details regarding voltage conversion and Input Common are forthcoming.

Do not make these connections directly!  The native Comet2 power levels are 120 VAC. They must be converted to 24 VDC.

Interface Name
Activa Terminal
Converter
  Comet2 Terminal

Arming Output 2

712

24VDC <=> 120VAC

Terminal #33

Arming Output 3

713

24VDC <=> 120VAC

Terminal #34

Arming Output 4

714

24VDC <=> 120VAC

Terminal #35

Arming Output 5

715

24VDC <=> 120VAC

Terminal #36

Arming Output Common

719

24VDC <=> 120VAC

Terminal #200 (120 VAC)

Busy/Wash-in-Use Input

720

24VDC <=> 120VAC

Terminal #F119

Control Power Input

721

24VDC <=> 120VAC

Terminal #200 (??!??)

Input Common

722

24VDC 120VAC

Neutral

Fault Signal Wiring

The Nu-Star Comet2 provides four fault signals. These are available to the edge via a Kit 108 I/O Relay Board

Do not make these connections directly!  The native Comet2 power levels are 120 VAC. They must be converted to 24 VDC.

Interface Name
I/O Kit Input
Converter
  Comet2 Terminal

Low Oil

1+

24VDC <=> 120VAC

Terminal #F137

Low Water

2+

24VDC <=> 120VAC

Terminal #F138

Travel Fault

3+

24VDC <=> 120VAC

Terminal #F139

Switch - Prox Fault

4+

24VDC <=> 120VAC

Terminal #F140

Fault Common

1- 2- 3- 4-

24VDC <=> 120VAC

Neutral?


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