Service manual

12 – 3
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Section 12 • Service Options
Liquid Injection # 1:
• Activates the output assigned to the liquid injection
solenoid. The output is connected on terminal 25
and is the 5th LED on card 2.
Liquid Injection # 2:
• Not currently used.
Remote Enabled:
• Activates the output assigned to notify a central con-
trol system of the Vission 20/20 run status. The out-
put is connected to terminal 27 and is the 7th LED on
card 2.
Shunt Trip:
• Activates the output during a false start condition
and the emergency stop timer has expired. This out-
put could be wired to a breaker with a shunt trip that
feeds power to a starter to force a shutdown. The
output is connected to terminal 28 and is the 8th LED
on card 2.
Reference Figure 12-3 and Figure 12-4.
Condenser / Remote Oil Cooler Step # 1:
• Activates the output assigned to the 1st step of the
Condenser / Remote Oil Cooler. The output is con-
nected to terminal 41 and is the 1st LED on card 4.
Condenser / Remote Oil Cooler Step # 2:
• Activates the output assigned to the 2nd step of the
Condenser / Remote Oil Cooler. The output is con-
nected to terminal 42 and is the 2nd LED down on
card 4.
Condenser / Remote Oil Cooler Step # 3:
• Activates the output assigned to the 3rd step of the
Condenser / Remote Oil Cooler. The output is con-
nected to terminal 43 and is the 3rd LED down on
card 4.
Figure 12-3. Service Options Screen - Digital Outputs (Page 3)