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24 Electric Air Cleaner Warning
The control is equipped with an Accessory Relay and a
pair of ¼ inch accessory terminals which is normally open,
labeled EAC-IN and EAC-OUT (see accessory contacts
graphic). The Accessory Relay is configured to close
anytime the blower is running. A closed relay means the
two terminals will have continuity between them (the control
does not energize these contacts). It is recommended to
utilize 24VAC with these terminals and limit the current to
1A.
25 Start-Up Procedure
• Prior to start-up, ensure that all electrical connections
are properly sized and tightened.
• All panels must be in place and secured. For Air Tight
application, neoprene gasket must be positioned at
prescribed locations to achieve low airflow as stated in
section 13.
• Tubing must be leak free.
• Unit should be elevated, trapped and pitched to allow
for drainage.
Figure 23
• Low voltage wiring is connected.
• Auxiliary drain is installed when necessary and pitched
to allow for drainage.
• Drain pan and drain tubing has been leak checked.
• Return and supply ducts are sealed.
• Unit is elevated when installed in a garage or where
flammable vapors may be present.
• Unit is protected from vehicular or other physical
damage.
• Return air is not obtained from any areas where there
may be objectionable odors, flammable vapors or prod-
ucts of combustion such as carbon monoxide (CO),
which may cause serious personal injury or death.
26 Regular Maintenance
The only item to be maintained on a regular basis by the
user is the circulating air filter(s). Filter should be cleaned
or replaced regularly. A certified service technician must
perform all other services.
NOTE: These instructions are specifically for AVPTC mod-
els. Do not use these diagrams for any other models. See
separate installation and operating instructions for ATUF,
ARUF, ARPT, ADPF, and ASPF models.
NOTICE: This product contains electronic components
which require a definite ground. Provisions are made for
connection of the ground. A dedicated ground from the main
power supply or an earth ground must be provided.
20
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