VYPER
™
VARIABLE SPEED DRIVE
OPERATION
100-210 IOM (
JUL
09)
Page 51
Compressor Safeties Screen
To prevent the Slide Valve from unloading beyond a high
setpoint level (97%) and permit rapid compressor response
under load, make the following setting adjustments on the
Compressor Safeties Screen:
Step 1:
Press the [
MENU
] key and then selecting “
Setpoints
”
and “
Compressor
”. Press the [
ENTER
] key to advance to the
Compressor Safeties Screen.
Step 2:
(Refer to Figure 61) Use the cursor arrow and [
Tab
]
keys to navigate to the “Highest Capacity To Permit Start-
ing” (Callout 1) and “Compressor Automatic Mode Minimum
Capacity” (Callout 2). Use the keypad to program the set-
points to “
97%
”. Press the [
Enter
] key to accept the value
for each field.
Step 3:
Press the [
Submit
] key to accept the changes and
return to the operating status screen.
Figure 61 - Compressor Safeties Screen
1
2
