76 UDC3200 Universal Digital Controller Operator Manual 04/08
Step Operation Press Result
4
Show Tuning
Prompt
Lower
Display
Lower
Display
Lower
Display
Until “TUNE OFF” is shown on
lower display.
5
Initiate Tuning
Select “DO SLOW” or “DO FAST”
in lower display.
6
Tuning in operation
Lower
Display
Lower
Display
Lower
Display
Upper display will show a “T” as
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show “NO TUNE” prompt.
Table 4-9 Procedure for Using MANUAL TUNE for Cool side of Duplex Control
Step Operation Press Result
1
Configure LSP2
Lower
Display
Lower
Display
Lower
Display
Until 2SP (Local Setpoint 2) shows
in the lower display.
2
or
Until LSP2 is a value within the
Cool Zone (output below 50%).
3
Switch to
“Automatic” Mode
Man
Auto
Man
Auto
Man
Auto
Until the “A” indicator is lighted (on
controllers with Manual option).
4
Show Tuning
Prompt
Lower
Display
Lower
Display
Lower
Display
Until “TUNE OFF” is shown on
lower display.
5
Initiate Tuning
Select “DO SLOW” or “DO FAST”
in lower display.
6
Tuning in operation
Lower
Display
Lower
Display
Lower
Display
Upper display will show a “T” as
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show “NO TUNE” prompt.