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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 con gured 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 con gured 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
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 con gured
for a No-Load Exerciser or allow the controller to
complete retransfer to Source 1 if the CDT Exerciser
is Factory con gured 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
Press BYPASS EXER
To re-institute the next exercise event back,
press CANCL BPASS
Zenith Automatic Transfer Switch
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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.
CDP Clock Exerciser
Load / No-Load Clock Exerciser
Allows the Generator to start and run unloaded or to simulate
a power failure, start Generator and run under load. Can be
• A total of 7 independent No Load exercise periods (up to
10 hours each) can be programmed for each of the daily,
weekly, 14-day, and 28-day exercisers.
• A total of 12 independent No Load exercise periods (up to 10
hours) can be programmed for the 365-day Exerciser.
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