Using Manual Tune At Start-Up For Duplex (Heat/Cool) - Honeywell UDC2800 Product Manual

Step Operation
Mode
4 Show Tuning
Prompt
5 Tuning in
operation
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 5-10: Procedure for Using MANUAL TUNE for Heat side of Duplex Control
Step Operation
1 Configure LSP1
2 Adjust LSP1
value
3 Switch to
"Automatic" Mode
4 Show Tuning
Prompt
5 Tuning in
operation
Chapter 5 - Monitoring and Operating the Controller
Press
Lower Display key
Increment key or
Decrement key
Press
Lower Display key Until
Increment key or
Decrement key
Man Auto key
Lower Display key Until "TUNE OFF" is shown in the lower
Increment key or
Decrement key
Result
Until "TUNE OFF" is shown in the lower
display.
Select "SLOW" or "FAST" in the lower
display.
A "T" appears under SP in the middle
display as long as ACCUTUNE process
is operating. When process completes,
tuning parameters are calculated and
the "T" will disappear and lower display
will show "TUNE OFF" prompt.
Result
(Local Setpoint 1) shows in
SP
the lower display.
Until LSP1 is a value within the Heat
Zone (output above 50%).
Until "Auto" appears (on controllers
with Manual option).
display.
Select "SLOW" or "FAST" in the lower
display.
A "T" appears under SP in the middle
display as long as ACCUTUNE process
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