System Troubleshooting; Start-Up Procedure; Regular Maintenance - Daikin DV PTC 14 Series Installation Instructions Manual

18.5.2 System Troubleshooting

NOTE: Refer to the instructions accompanying the
Communicating compatible outdoor AC/HP unit for
troubleshooting information.
Refer to the Troubleshooting Chart at the end of this manual
for a listing of possible air handler error codes, possible causes
and corrective actions.
HIGH VOLTAGE!
Disconnect ALL power before servicing or installing this
unit. Multiple power sources may be present. Failure to
do so may cause property damage, personal injury or
death.

19 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.
• 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 products of
combustion such as carbon monoxide (CO), which may
cause serious personal injury or death.

20 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
DV**PTC MODELS. 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.
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