Operation
Input/output
Figure 8: Input/output diagram
Jumper required between 10, 11
Note:
S1 is set to mA on "B" Generations.
Parameter tables
In the parameter menu, set the following parameters listed in the following parameters tables to
operate the VFD controller correctly. For troubleshooting, check that the parameters match.
Display
In AUTO MODE, the following parameters display on control display:
1. 30–60Hz is the output frequency to the motor. The minimum factory set frequency allowed is
30 Hz.
2. 0.0–Nominal Motor Amps. The maximum amps draw is factory set, and is set to nominal amp
draw of motor used.
3. 0.0–5.0 "WC is the actual reading from the pressure transducer.
4. The setpoint value is displayed in the upper-right corner. Values range from 0% to 100%. That
is the actual setpoint for the controller. The setpoint can be 0%, which is 0.0 "WC or 100%,
which is 5.0"WC.
17
VFD for D-Series (DSV/DSH) Air-cooled Self-Contained Units, and C-Series (CSV) Water-Cooled Self-Contained Units,
C-Gen
Johnson Controls