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GE Zenith Controls 15
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ZTG/ZTGD Operation and Maintenance Manual (70R-1000D)
CDT One Event Timer Exerciser (cont’d)
How to Initiate CDT Exerciser and to start an
exercise cycle every 1, 7, 14, or 28 days
From S1 screen
1) Press TEST
2) Press MORE
3) Press START TEST TIMER (to initiate Test).
• If the CDT Exerciser is Factory configured for a
Load Exerciser, the Controller will immediately start
a load exercise. The controller will start the
generator, transfer the load to Source 2 and remain
in Source 2 for the duration set for EXER S2 RUN
TIME in the SET menu. The controller will
retransfer the load back to Source 1 after the S1
stable timer has timed out and run the generator
unloaded for the duration of the S2 stop delay timer
(Engine Cool Down Timer).
• If the CDT Exerciser is Factory configured for a
No-Load Exerciser, the Controller will immediately
start a No-load exercise. The controller will start the
generator and run it unloaded for the duration of
the S2 stop delay timer (Engine Cool Down Timer).
Exercise will be repeated at the same time as initiated
on every 1, 7, 14, or 28 days according to the selection
made in the Configure CFG menu.
How to Bypass (Cancel) an exercise during
an exercise cycle
1) Press BPASS
2) Allow the controller to complete the Engine
cool down cycle
If the CDT Exerciser is Factory configured for a
No-Load Exerciser Or allow the controller to complete
retransfer to Source 1 If the CDT Exerciser is Factory
configured for a Load Exerciser
How to Bypass the next exercise event and Keep
the rest of scheduled events unchanged
1) Press Test
2) Press MORE
3) Press BYPASS EXER
To re-institute the next exercise event back,
press CANCL BPASS
How to initiate a new exercise start time
1) Press TEST
2) Press MORE
3) Press EXER CANCL
4) Press START TIMER TEST
How to check the next exercise event
1) From S1 OK screen, press MORE three times.
2) The unit will display the PLANT EXERCISER NEXT
event in DAYS, HOURS, and MINUTES
3) Press ESC to S1 OK Screen.
Notes:
- *E* appears in the upper right hand corner
of LCD screen when exercise is impending.
- For Load Exerciser, actual exercise period
(ATS in S2 position)= CDT (Exerciser)
timing period +T (S1 stable Timer) timing period.