4-32 Controller Troubleshooting
TP-5672 11/95
Time Delays
D DD-100-B. Thisaccessoryallows alltimedelaysto
be adjusted from 0 to 99 minutes.
TimeDelayaccessoryDD-100-Bincreasesallofthetime
delays up to 99 minutes. The time delays are used for
transfer from normal to emergency, transfer from
emergency to normal, engine start, engine cooldown,
and load-shed sequence. The TIME DELAY jumper
must beinstalledon the mainlogicboardto increasethe
adjustable range of standard time delays up to
99 minutes. See Figure 4-15. To extend TDES time
delays an external 12-32 vdc power supply is required.
See Figure 4-15. Time delays areadjustablefrom either
the front panel keypad or from a remote computer. See
Figure 4-31 for a troubleshooting chart for this option.
No
Yes
No
No
Yes
Yes
Is the Time Delay jumper
installed in JP1 socket on
the logic board?
Replace logic board.
In Index 5 can TDES, TDEN,
TDOE, TDON and TDEC be
adjusted to 99 minutes?
Is there an external DC power
supply connected between
TB-DC1-29 and TD-DC1-32?
Option is working.
Yes
Connect an external DC power
supply between TB-DC1-29
and TD-DC1-32?
No
Install the Time Delay
jumper for on JP1 and
power down the controller
for 1 minute mininum.
In Index 11 are TD
Extended enabled?
Troubleshoot shunt-jumper
controlled options. See
Figure 4-18.
Figure 4-31. Troubleshooting—Extended time delays do not work
To Next Page
Loading...
