Actions To Take Against Power Failure; Figure 46 - Actions To Take Against Power Failure - York YHAU-CE-JE Series Installation Operation & Maintenance

FORM 155.33-ICOM2.EN.GB
ISSUE DATE:12/4/2017

ACTIONS TO TAKE AGAINST POWER FAILURE

If the main power fails, take the following actions.
Re-start using the Control Panel
located on the chiller-heater. Monitor
until chiller-heater returns to normal
operation. Purge directly from the
absorber. Stop the machine to ensure
the dilution operation takes place. The
dilution operation takes approximately
15 minutes.

FIGURE 46 - ACTIONS TO TAKE AGAINST POWER FAILURE

JOHNSON CONTROLS
Power failure
Chiller-heater stops
Power is restored
Power failure interval is shorter
than the controller back up interval
Power failure interval is shorter
than 5 minutes
Yes Power failure interval is shorter
than 1 hour.
If the power is not restored within 4-5
hours, the solution in the unit may be
crystallized. Contact your local Johnson
Controls Service Office for assistance.
No
No
No
Re-start using the Control Panel
located on the chiller-heater. Monitor
until chiller-heater returns to normal
operation. Purge directly from the
absorber.
SECTION 8 – TROUBLESHOOTING
Yes
Continue running machine
Yes
8
131