York YHAU-CL Series - FIGURE 68 - Actions to Take against Power Failure

JOHNSON CONTROLS
164
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 8 – TROUBLESHOOTING
FIGURE 68 - ACTIONS TO TAKE AGAINST POWER FAILURE
Power failure
Power failure interval is shorter
than the controller back up interval
Power failure interval is shorter
than 5 minutes
Power failure interval is shorter
than 1 hour.
Continue running machine
Re-start using the Control Panel located
on the chiller. Monitor until chiller returns
to normal operation. Purge directly from
the absorber. Stop the machine to ensure
the dilution operation takes place.
Power is restored
Chiller stops
No
If the power is not restored within 4-5 hours,
the solution in the absorber
may be crystallized. Contact your local
Johnson Controls Service Ofce for
assistance.
Re-start using the Control Panel located
on the chiller. Monitor until chiller returns
to normal operation. Purge directly from
the absorber.
No
Yes
Yes
No
Yes