ARTC-SVX007A-EN
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a. Displays trend and current values for Setpoint,
Process Value and Control value.
b. Setpoint is Tech level adjustable. If corresponding
option selected on Setup screen. See below.
c. Valve Control Mode: Auto/Manual/Off.
d. To access other settings, click Setup.
e. Trend has y-axis zoom capability.
f. Access: Main Menu > Devices Menu > Cond.
2. Condenser Valve Setup:
a. P-Gain and I PID constants.
b. Maximum and Minimum valve opening settings.
c. SP Mode. CT SP – condenser valve shares the
same SP as a cooling tower; SP – condenser valve
uses individual SP adjustable on the main
condenser valve screen.
d. PID direction. Rev – PID acts in Cooling mode; Fwd
– PID acts in Heating mode.
e. Valve Action. Dir – maximum PID signal
corresponds to valve fully opened state; Rev –
maximum PID signal corresponds to valve fully
closed state.
f. Access: Main Menu > Devices Menu > Cond >
Setup.
Economizer Control
Figure 18. Economizer control
Economizer Algorithms
Figure 19. Speed
Figure 20. PR - default
Figure 21. Capacity
Associated Modulating Control
1. Disabled.
2. Flash Tank Level.
Operating Procedures
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