ClimaCool IOM AR2 SERIES - Manual (Page 26)

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When the differential set point is reached, both the audible and
visual alarms will be triggered and will remain engaged until both
the Alarm condition is corrected, and the Alarm-Reset button is
pressed . (If the Alarm-Reset button is pressed but the differential
pressure is beyond the set point, the alarms will re-engage
immediately) .
After the strainer is cleaned and put back in service, the
differential pressure should return to 1 PSI .
If you have any questions about the Pressure Differential Alarm
option, please call our technical product specialists at (405)
745-3185 .
General Information
Auxiliary Contacts:
The PDA option is equipped with a remote alarm feature . The
remote alarm contacts are located at the two Black & Red Banana
Clip Posts (see illustration) . The alarm can be set up in one of
two ways: 1) a remote alarm signal of 12 VDC can be sent to a
central monitoring station, or, 2) a set of auxiliary contacts will
indicate a "closed" condition when the alarm activates . (See
auxiliary Contact Schematic inside PDA Box) . Remove the (4)
screws on the cover plate and to access the schematic located
inside the cover plate .) If you have any additional questions
please contact a ClimaCool technical representative at (405) 745-
3185 .
Water Resistance:
The Pressure Differential Alarm Controller is water-resistant, but
not water proof . Do not install below ground level where the box
can be submerged in water . DO NOT REMOVE the cover plate
from the PDA Controller . Keep the cover tightly sealed on the
module during normal operation .
ClimaCool Corp. Return Policy:
Units in need of warranty repair, and less than 90 days old, must
be returned to ClimaCool accompanied by a Return Material
Authorization (RMA) number . To request a RMA, number
call (405) 745-3185, then enter this number on the RMA form
(available from the ClimaCool web site) .
Please Follow Environmental Note:
All PDA Controllers sent to ClimaCool for repair must be
cleaned and dried from all foreign residue or the shipment
will be returned “as is” to the customer . We cannot expose our
technicians to the vast variety of chemicals used around our
systems . Thank you for your cooperation .
Maintenance:
The alarm functions of the PDA alarm package should be
checked twice a year . Manually trip the differential set-point
(see illustration) to engage the audible and visual alarms .
Reset the differential setting and depress the alarm-reset
button to verify the alarms are deactivated .
Pressure Differential Alarm Package