AVPTC 14 Series Installation and Operating Instructions

20.8 System Troubleshooting

NOTE: Refer to the instructions accompanying the ComfortNet 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.

21 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 combus-

tion such as carbon monoxide (CO), which may cause serious personal injury or death.

22 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 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 COMPO-

NENTS WHICH REQUIRE A DEFINITE GROUND. PROVI-

SIONS ARE MADE FOR CONNECTION OF THE GROUND. A

DEDICATED GROUND FROM THE MAIN POWER SUPPLY OR

AN EARTH GROUND MUST BE PROVIDED.

HIGH VOLTAGE!

Failure to do so may cause property damage,

personal injury or death.

Disconnect ALL power before servicing.

Multiple power sources may be present.