Service manual

12 – 5
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Section 12 • Service Options
Analog Outputs
The Analog Output (AO) selections allow the operator to
enter a desired value of the output then turn on the out-
put, see Figure 12-5. The operator will have to measure
the output using meter capable of measuring a 4-20mA
signal.
Compressor VFD:
• Sets the analog output assigned to the compressor
VFD. The output is connected to AO #1 on card 10.
Condenser / Remote Oil Cooler VFD:
• Sets the analog output assigned to the Condenser /
Remote Oil Cooler VFD. The output is connected to
AO #2 on card 10.
% Slide Valve Position
Figure 12-5. Service Options Screen - Analog Outputs (Page 4)
• Sets the analog output assigned to the Slide Value
position used to inform a central control system of
the capacity position. The output is connected to AO
#3 on card 10.
Liquid injection Motorized Valve:
• Sets the analog output assigned to the liquid injec-
tion motorized value position. The output is connect-
ed to AO #4 on card 10.