Using Manual Tune At Start-Up For Duplex (Heat/Cool); Table 4-12 Procedure For Using Manual Tune For Heat Side Of Duplex Control; Table 4-13 Procedure For Using Manual Tune For Cool Side Of Duplex Control - Honeywell UDC3500 Product Manual

4.10.5

Using MANUAL TUNE at start-up for Duplex (Heat/Cool)

When DUPLEX has been configured for MANUAL. This selection should be used when
tuning is needed only for the HEAT zone or only for the COOL zone but not both. If
Local Setpoint 1 is used, then the controller will perform a HEAT zone tune. If Local
Setpoint 2 is used, then the controller will perform a COOL zone tune.

Table 4-12 Procedure for Using MANUAL TUNE for Heat side of Duplex Control

Step
1
2
3
4
5
6

Table 4-13 Procedure for Using MANUAL TUNE for Cool side of Duplex Control

Step
1
2
3
4
5
6
10/05
Operation
Configure LSP1
Switch to
"Automatic" Mode
Show Tuning
Prompt
Initiate Tuning
Tuning in operation
Operation
Configure LSP2
Switch to
"Automatic" Mode
Show Tuning
Prompt
Initiate Tuning
Tuning in operation
UDC3500 Universal Digital Controller Product Manual
Monitoring and Operating the Controller
Press
Until SP (Local Setpoint 1) shows
Lower Lower Lower
in the lower display.
Display Display Display
Until LSP1 is a value within the
or
Heat Zone (output above 50%).
Until the "A" indicator is lighted (on
Man Man Man
controllers with Manual option).
Auto Auto Auto
Until "TUNE OFF" is shown on
Lower Lower Lower
lower display.
Display Display Display
Select "DO SLOW" or "DO FAST"
in lower display.
Upper display will show a "T" as
Lower Lower Lower
Display Display Display
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show "NO TUNE" prompt.
Press
Until 2SP (Local Setpoint 2) shows
Lower Lower Lower
in the lower display.
Display Display Display
Until LSP2 is a value within the
or
Cool Zone (output below 50%).
Until the "A" indicator is lighted (on
Man Man Man
controllers with Manual option).
Auto Auto Auto
Until "TUNE OFF" is shown on
Lower Lower Lower
lower display.
Display Display Display
Select "DO SLOW" or "DO FAST"
in lower display.
Upper display will show a "T" as
Lower Lower Lower
Display Display Display
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show "NO TUNE" prompt.
Result
Result
199