Van Air Systems FP-4 Kit - Manual (Page 31)

2. SETUP (ADVANCED OPTIONS) T775A/B/M SERIES 2000 CONTROLLER
23 62-0254–03
Fig. 50. Setup - Outputs - Mod Out - Derivative.
2.3.1.4. DERIVATIVE
The Derivative default value is factory set to zero (no
derivative control). It is strongly recommended that the
derivative remain at zero (0) unless you have a very good
reason to adjust it. Derivative control is not needed in the
vast majority of HVAC applications.
1. From the Mod menu, use the S and T buttons to
highlight DERIVATIV.
2. Press the X button to display the Derivative sec-
onds.
3. Use the S and T buttons to increase/decrease the
value.
Default: 0 (zero)
Range: 0 to 3,600 seconds
4. Press the X button to accept the seconds and
return to the Mod menu.
Fig. 51. Setup - Outputs - Mod Out - Schedule.
2.3.1.5. SCHEDULE
The Schedule option displays only if the USE SCHED
parameter is set to Yes (see page 24).
1. From the Mod menu, use the S and T buttons to
highlight SCHEDULE.
2. Use the S and T buttons to highlight YES or NO.
Default: YES
3. Press the X button to accept the selection and
return to the Mod menu.
Each output can be set up to follow or ignore the built in
scheduler. To disable the scheduler for all outputs, see
“2.3.3.1. USE SCHED” on page 24.
Fig. 52. Setup - Outputs - Mod Out - Exit.
2.3.1.6. EXIT
Press the W button (or highlight EXIT and press the X
button) to exit the Mod menu and return to the Outputs
menu.
If you have a second modulating output to configure, go to
“2.3.1. Setting up the Modulating Outputs” on page 21.
If you are finished setting up the modulating outputs,
continue with “2.3.2. NBR OF RELAYS”.
SETUP
OUTPUTS
MOD 1
DERIVATIV
ENTER
DERIVATIVE
TIME FOR
MOD 1
SETUP
OUTPUTS
MOD 1
DERIVATIV
0 SEC
M24516
SETUP
OUTPUTS
MOD
1
SCHEDULE
SETUP
OUTPUTS
MOD 1
SCHEDULE
USE
SCHEDULE
FOR
OUTPUTS
YES
NO
M24517
SETUP
OUTPUTS
MOD 1
TYPE
MIN OUT %
INTEGRAL
DERIVATIV
SCHEDULE
EXIT
M24518